Matches · 2026-10-10 · rules version c4
GPT-6 Luna Decisions vs GPT-OSS 20B
GPT-OSS 20B won in 10 turns · 3 min wall clock · 51,572 tokens · $0.002
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Decisions
- Team previewGPT-6 Luna Decisions brought
Garchomp,rotomwash,gholdengoLead: 74% BRING: garchomp, 17% BRING: ninetalesalola, 5% BRING: rotomwash Pick 2: 41% BRING: rotomwash, 24% BRING: ninetalesalola, 18% BRING: gholdengo Pick 3: 94% BRING: gholdengo, 2% BRING: scizor, 2% BRING: incineroar
GPT-OSS 20B broughtGengar,garchomp,blastoiseGengar is immune to all opponent types and can out‑speed and KO any of them. Garchomp can hit the ground/dragon and fire types with Earthquake and Dragonclaw, and it’s fast enough to threaten the rest. Blastoise gives a solid water/ice combo to finish off the remaining fire/ice threats and can spin away hazards. This trio covers every opponent Pokémon with strong type coverage and speed advantage.
Reasoning trace (1,310 words)
We need to pick 3 Pokémon to bring. We need to consider opponent's team. We have 6 Pokémon: rotomwash, toxapex, garchomp, blastoise, gengar, steelix. We need to choose 3 that give best matchup. Opponent's team: garchomp, rotomwash, scizor, incineroar, gholdengo, ninetalesalola. We need to consider type matchups, speed, synergy. We want to beat them quickly. Let's analyze each of our Pokémon: - rotomwash: Electric/Water, high speed 151, good special attack 141. Moves: hydropump, thunderbolt, voltswitch, raindance. Good against many. Against opponent's rotomwash: same type, but we have advantage? We can use thunderbolt or hydropump. But opponent's rotomwash also has same moves. Might be a tie. But we can use voltswitch to switch out. But we need to consider that opponent's rotomwash has levitate, so not grounded. But we can use water moves to hit them. But they have same type, so no advantage. - toxapex: Poison/Water, high defense, special defense. Moves: banefulbunker (poison), recover, toxicspikes, haze. Good for setting up toxic spikes, blocking status. Against opponent's ground/dragon, etc. But opponent's team includes scizor (bug/steel), incineroar (fire/dark), gholdengo (steel/ghost), ninetales (ice/fairy). Toxapex can set toxic spikes to damage them over time. But we need to consider that opponent's team includes ground types (garchomp) and water? Actually garchomp is dragon/ground, so ground moves can hit toxapex. But toxapex has high defense, but ground moves are super effective. But we can use banefulbunker to block. But we might get hit by ground moves. - garchomp: Dragon/Ground, high speed 169, high attack 182. Moves: earthquake (ground), dragonclaw, swordsdance, stealthrock. Good for sweeping. But opponent has ground type (garchomp). But we can use dragonclaw to hit them. But we need to consider that opponent's garchomp might have sandveil, but we don't have sand. But we can use stealthrock to set up hazards. But we need to consider that opponent's garchomp is also strong. But we can use garchomp to beat many. - blastoise: Water, high HP 186, high special attack 150. Moves: hydropump, icebeam, rapidspin, shellsmash. Good for dealing with fire types. But opponent's incineroar is fire/dark, so icebeam is super effective. Also ninetales is ice/fairy, so icebeam is not super effective. But hydropump can hit many. Rapidspin can remove hazards. But we need to consider that opponent's team includes ground types that can hit blastoise with super effective ground moves. But we can use icebeam to hit incineroar. But we might get hit by ground moves. - gengar: Ghost/Poison, high speed 178, high special attack 182. Moves: shadowball, sludgebomb, focusblast, nastyplot. Good for sweeping. But opponent's team includes scizor (bug/steel), incineroar (fire/dark), gholdengo (steel/ghost), ninetales (ice/fairy). Gengar can hit scizor with ghost, but scizor is steel/bug, ghost is not super effective. But scizor has bug moves that are super effective on Gengar? Actually bug is not super effective on ghost. But scizor's bug moves are super effective on Gengar? Wait, ghost is immune to normal and fighting. Bug is not super effective on ghost. So scizor's bug moves won't hit Gengar. But scizor's steel moves are super effective on Gengar? Steel is not super effective on ghost. So scizor cannot hit Gengar. So Gengar is safe from scizor. But incineroar is fire/dark, which is super effective on Gengar? Fire is not super effective on ghost. Dark is not super effective on ghost. So incineroar cannot hit Gengar. Gholdengo is steel/ghost, which is super effective on Gengar? Steel is not super effective on ghost. Ghost is not super effective on ghost. So Gholdengo cannot hit Gengar. Ninetales is ice/fairy, which is super effective on Gengar? Ice is not super effective on ghost. Fairy is not super effective on ghost. So Gengar is safe from all except maybe rotomwash? Rotomwash is electric/water, which is not super effective on ghost. So Gengar is safe from all opponent's Pokémon. That means Gengar can sweep safely. But we need to consider that opponent's rotomwash might use thunderbolt to hit Gengar? Thunderbolt is electric, which is not super effective on ghost. So Gengar is safe. So Gengar is a great choice. - steelix: Steel/Ground, high defense 220, high HP 182. Moves: stealthrock, earthquake, ironhead, stoneedge. Good for setting hazards and hitting many. But steelix is weak to fire, ice, fighting, ground? Actually steel is weak to fire, ice, fighting, ground? Wait, steel is weak to fire, ice, fighting, ground? Actually steel is weak to fire, ice, fighting, ground? No, steel is weak to fire, ice, fighting, ground? Wait, steel is weak to fire, ice, fighting, ground? Actually steel is weak to fire, ice, fighting, ground? Wait, check: Steel is weak to fire, ice, fighting, ground? Actually ground is not super effective on steel. Wait, ground is not super effective on steel. So steel is not weak to ground. But steel is weak to fire, ice, fighting. So steelix is vulnerable to fire moves. But opponent's incineroar is fire/dark, so incineroar can hit steelix. But steelix can hit incineroar with ice? Actually steelix has no ice moves. But steelix can hit incineroar with stoneedge (rock) which is super effective on fire. So steelix can hit incineroar. But steelix is also vulnerable to ice moves from ninetales. So steelix is not ideal. Now, we need to choose 3. We want to cover all opponent's Pokémon. Gengar is safe from all. So Gengar is a good pick. We also want a Pokémon that can handle ground types like garchomp. Garchomp can hit ground types with dragonclaw. But we need to consider that opponent's garchomp is also ground type. But we can use dragonclaw to hit them. But we also need to consider that opponent's garchomp might have sandveil, but we don't have sand. But we can use Gengar to beat them. But we might want to bring a Pokémon that can handle the water type rotomwash. Rotomwash is electric/water. We can use Gengar to beat them? Gengar is immune to electric and water? Actually ghost is immune to normal and fighting, but not to electric or water. So Gengar can be hit by water and electric moves. But we can use Gengar's high speed and special attack to hit them. But we need to consider that rotomwash has high special attack 141. But Gengar has 182 special attack. So Gengar can beat them. But we need to consider that rotomwash has high speed 151, but Gengar has 178. So Gengar is faster. So Gengar can beat rotomwash. So Gengar is good. Now we need a third Pokémon to cover the rest. We could bring blastoise to handle incineroar (fire/dark) with icebeam. But we also need to handle ninetales (ice/fairy). Icebeam is not super effective on ninetales. But we can use hydropump. But ninetales is ice/fairy, so water is not super effective. But we can use icebeam to hit incineroar. But we need to handle scizor (bug/steel). Scizor is weak to fire, but we don't have fire moves. But we can use Gengar to hit scizor? Ghost is not super effective on bug. But Gengar can use nastyplot to set up. But we might want to bring a Pokémon that can hit scizor. Garchomp can hit scizor with dragonclaw? Dragon is not super effective on bug. But Garchomp can use earthquake (ground) which is super effective on bug. So Garchomp can hit scizor. But we also need to handle incineroar. Garchomp can hit incineroar with dragonclaw? Dragon is not super effective on fire. But Garchomp can use earthquake (ground) which is super effective on fire. So Garchomp can hit incineroar. So Garchomp can handle scizor and incineroar. But Garchomp is also vulnerable to water moves from rotomwash. But we can use Gengar to beat rotomwash. So we can bring Gengar, Garchomp, and maybe blastoise? But we might not need blastoise if Garchomp can handle incineroar. But we need to handle ninetales. Garchomp can hitThinking budget reached. Stop thinking and give your final answer now.
- Turn 1GPT-6 Luna Decisions used
Earthquake100% MOVE: earthquake, 0% MOVE: stoneedge, 0% MOVE: swordsdance
GPT-OSS 20B usedFocusblastmegaMega Gengar is immune to Ground, so we can safely use Focus Blast to hit Garchomp. Speed advantage ensures we move first, and Focus Blast’s higher power beats Shadow Ball.
Reasoning trace (627 words)
We need to decide best action. Gengar vs Garchomp. Gengar is 178 speed, Garchomp 109-169. Gengar moves first. Gengar has Mega Gengar available. Mega Gengar has higher stats: HP 137, ATK 76, DEF 80, SPA 182, SPD 95, SPE 178. Actually same speed? Wait Mega Gengar has same speed 178. So still faster. Mega Gengar has higher special attack 182 vs 182? Actually base 182? Wait Gengar's base special attack 170? But Mega Gengar's special attack 182? Actually Gengar's base special attack 170, Mega Gengar 182. So better. Also Mega Gengar has ability: Levitate? Wait Gengarite gives Mega Gengar ability Levitate? Actually Gengar's ability is Cursed Body, but Mega Gengar's ability is Levitate. So it becomes immune to Ground. That is huge because Garchomp is Ground type. So Mega Gengar can avoid Earthquake. Also Garchomp's moves unknown. But likely Earthquake or Dragon Claw. Mega Gengar can use Shadow Ball or Focus Blast. Shadow Ball 80, 100% accuracy, 20% chance to lower SpDef. Focus Blast 120, 70% accuracy, 10% chance to lower SpDef. Garchomp's SpDef unknown. But Garchomp is likely to have high SpDef? Actually Garchomp's SpDef is 94-150. So maybe 120? But we don't know. But we can try to KO. Garchomp's HP 183-215. Gengar's Shadow Ball 80 does 80 damage. Focus Blast 120 does 120 damage. But Garchomp's SpDef may be high, but we can still do 120. But we need to consider that Garchomp may have a strong move like Earthquake 100 damage. But if we Mega Gengar, we avoid Earthquake. So we can use Focus Blast to try to KO. But we need to consider that Garchomp may have a move like Dragon Claw 80. But we can still survive. But we want to KO. Garchomp's HP 183-215. Gengar's Focus Blast 120 damage. That is not enough to KO. But we can use Shadow Ball 80. Not enough. But we can use Nasty Plot to boost SpAtk by 2. That would double to 360? Actually Gengar's SpAtk 182, double to 364. Then Shadow Ball 80 * 2? Actually Shadow Ball's power 80, but with Nasty Plot, SpAtk doubled, so damage ~ 160. That could KO. But we need to consider that Garchomp may have high HP. But 160 may not be enough. But we can use Focus Blast after Nasty Plot: 120 * 2 = 240. That could KO. But we need to consider that Garchomp's HP 183-215. 240 > 215, so KO. So best is to use Nasty Plot then Focus Blast. But we only have one turn. So we can only do one move. So we can't Nasty Plot and Focus Blast in same turn. So we need to decide best single move. We can Mega Gengar and use Focus Blast. That has 120 damage. Might not KO but can damage. But we can also use Shadow Ball. But we want to maximize damage. Focus Blast is better. But we also consider that Garchomp may have a move that can hit Gengar. But Gengar is faster, so it moves first. So Gengar will use Focus Blast. Garchomp will respond. But we want to KO. But maybe we can use Shadow Ball to lower SpDef and then next turn use Focus Blast. But we only have one turn. So we choose Focus Blast. But we also consider that Garchomp may have a move like Earthquake that would hit Gengar if not Mega. But we Mega Gengar, so safe. So best action: MOVE: focusblast [MEGA]. Thus answer: <thought> Mega Gengar is immune to Ground, so we can safely use Focus Blast to hit Garchomp. Speed advantage ensures we move first. Focus Blast has higher power than Shadow Ball. So choose that. <decision> MOVE: focusblast [MEGA]. Check legal actions: 6 is MOVE: focusblast [MEGA]. Yes.
GPT-OSS 20B switched toBlastoiseBlastoise’s Water moves hit Garchomp super‑effectively and can KO it in one Hydropump. Garchomp is already at 48 % HP, so a single 110‑BP Water attack will finish it. Switching to our Garchomp would give the opponent a type‑matchup advantage, so we choose Blastoise.
Reasoning trace (187 words)
We need to decide best action. Our active Gengar mega fainted. Opponent has Garchomp 48% HP. We have two bench: Garchomp and Blastoise. We need to choose which to switch in. We want to beat Garchomp. Garchomp is Dragon/Ground, 48% HP. Garchomp is weak to Water, Ice, Dragon, Fairy? Actually Dragon/Ground: Weak to Water, Ice, Dragon, Fairy. Garchomp has 48% HP, so about 48% of its HP. We need to pick a Pokémon that can KO it. Our Garchomp is Dragon/Ground, but it has 100% HP, but it's same type as opponent, so not good. Blastoise is Water type, strong vs Ground. Blastoise has high special attack 150, can use Hydropump 110 BP. That should KO Garchomp? Let's estimate: Garchomp HP 48% of 200? Actually HP range 183-215, 48% ~ 88-103 HP. Hydropump 110 BP, Water vs Ground is 2x, so 220 damage. That would KO. So switch to Blastoise. Also Garchomp has Earthquake 100 BP, but Blastoise can use Rapid Spin? Actually Rapid Spin is Normal 50, but can remove hazards. But we don't have hazards. So best is switch to Blastoise. So decision: SWITCH: blastoise.
- Turn 2GPT-6 Luna Decisions switched to
Rotom86% SWITCH: rotomwash, 7% MOVE: earthquake, 4% SWITCH: gholdengo
GPT-OSS 20B usedHydropumpGarchomp is at ~48 % HP (~96 HP). Hydropump (110 BP, 2× on Dragon) will KO it for sure, while Icebeam has a 10 % freeze risk. No hazards to remove, so Hydropump is the safest, guaranteed KO.
Reasoning trace (246 words)
We need to decide best action. Opponent Garchomp at 48% HP. Our Blastoise has 186 HP. Garchomp's HP range 183-215. 48% of max HP: if max 200, HP ~96. So Garchomp is at ~96 HP. Our Blastoise can use Hydropump (110) or Icebeam (90). Icebeam is 4x super effective on Garchomp (Ice vs Dragon/Ground? Garchomp is Dragon/Ground; Ice is 4x super effective on Dragon and 2x on Ground? Actually Ice is 4x on Dragon, 2x on Ground, so overall 8x? Wait: Ice is 4x on Dragon, 2x on Ground, so 8x. But Garchomp is Dragon/Ground, so Ice is 8x. So Icebeam 90 * 8 = 720 damage, likely KO. Hydropump 110 * 4? Water vs Dragon is 2x, vs Ground is 1x, so 2x. So 110*2=220 damage, maybe not enough to KO. Garchomp HP ~96, so 220 > 96, so Hydropump would KO too. But Icebeam has 10% freeze chance. But we want to KO. Which is better? Icebeam has 10% freeze chance, but Hydropump is guaranteed. But we might want to avoid freeze risk. But we can use Hydropump to KO. However, we might consider that Garchomp's ability unknown, maybe sandstorm? But no weather. So Hydropump is safe. But we might want to use Icebeam to freeze? But freeze risk is 10%. We want to guarantee KO. So choose Hydropump. But we also have Rapidspin to remove hazards, but none. Shellsmash to boost attack but not needed. So best action: MOVE: hydropump. Thus final answer.
- Turn 3GPT-6 Luna Decisions used
Voltswitch96% MOVE: voltswitch, 2% MOVE: willowisp, 1% SWITCH: garchomp
GPT-OSS 20B switched toGarchompRotom‑Wash is immune to Ground, so our Blastoise’s Water moves are only not‑very‑effective. Setting hazards with Garchomp’s Stealth Rock will hurt the opponent and give us a better long‑term advantage. Switching now is the best move.
Reasoning trace (390 words)
We need to decide best action. Opponent active: Rotom-Wash 80% HP. Our active: Blastoise 186/186. We have no hazards. Rotom-Wash has Levitate, so Ground moves ineffective. We have Hydropump (not very effective), Icebeam (not very effective). Rapidspin (no hazards). Shellsmash (boosts attack). We could switch to Garchomp. Opponent's active is Rotom-Wash, which is Electric/Water. Our Blastoise is Water type, so not super effective. Rotom-Wash has Levitate, so Ground moves not relevant. We could try to set up with Shellsmash to boost attack and speed, then use Hydropump? But Hydropump is not very effective. Icebeam also not very effective. Rapidspin just clears hazards, but none. So maybe we should switch to Garchomp to threaten Rotom-Wash with Earthquake (Ground) which Rotom-Wash is immune to due to Levitate. So Earthquake would do nothing. Garchomp's Dragonclaw would do neutral. But we could use Garchomp's Stealth Rock? Actually Garchomp has Stealth Rock. That would set hazards. But Rotom-Wash is Electric/Water, so Stealth Rock would do 1.5x damage. That could be good. But we could also use Garchomp's Swords Dance to boost. But we want to set hazards. So switching to Garchomp seems best to set hazards and threaten Rotom-Wash. Alternatively, we could use Shellsmash to boost attack and speed, then use Hydropump to do 110 power but not very effective. But maybe we can use Shellsmash to boost, then use Hydropump to do 110*1.5? Wait, Shellsmash increases SpA by 2, so SpA goes from 150 to 150*2^2? Actually Shellsmash raises Atk, SpA, Spe by 2. So SpA increases from 150 to 150*2^2? No, it's a stat stage increase, not a multiplier. So SpA goes from 150 to 150*2^2? Wait, stat stages: each stage is 50% increase per stage. So +2 stages = 1.5x? Actually +1 stage = 1.5x, +2 = 2x. So SpA goes from 150 to 300. So Hydropump would be 110*2 = 220? Actually 110 * 2 = 220. So Hydropump after Shellsmash would be 220 power. But still not very effective on Rotom-Wash (Water type). So damage would be 220 * 0.5? Actually not very effective = 0.5. So 110 effective. So not great. But we could use Icebeam after Shellsmash: 90 * 2 = 180, not very effective = 90. So still not great. So maybe we should switch to Garchomp to set hazards. That seems best. Thus decision: SWITCH: garchomp.
- Turn 4GPT-6 Luna Decisions used
Willowisp56% MOVE: willowisp, 22% MOVE: hydropump, 13% SWITCH: gholdengo
GPT-OSS 20B usedSwordsdanceRotom‑Wash is immune to Earthquake and not weak to Dragonclaw, so a single hit won’t KO it. Raising Garchomp’s Attack with Swordsdance gives a better chance to finish it off next turn, while still keeping the hazard option for later. Speed advantage lets us act first, so we’ll use Swordsdance now.
Reasoning trace (489 words)
We need to decide best action. Garchomp vs Rotom-Wash. Rotom-Wash is Electric/Water, immune to Ground. Garchomp's Earthquake is super effective? Wait Rotom-Wash is Electric/Water. Ground is not super effective on Water? Actually Ground is super effective on Electric, not on Water. So Earthquake is not super effective on Rotom-Wash. Rotom-Wash has Levitate, so immune to Ground. So Earthquake will not hit? Wait Ground moves hit Levitate? Levitate gives immunity to Ground. So Earthquake will not hit Rotom-Wash. So Earthquake is useless. Dragonclaw is neutral. Swordsdance can raise Attack. Stealthrock is status, but Rotom-Wash is Electric/Water, so Rock is not super effective? Rock is not super effective on Water? Rock is not super effective on Water, but is super effective on Electric? Rock is not super effective on Electric. So Stealthrock would not damage Rotom-Wash. But it would set hazard for future switch-ins. But we might want to set hazard to trap Rotom-Wash if it switches. But we might want to attack. Garchomp has high Attack 182, high Speed 169. Rotom-Wash has 85% HP. Garchomp's Dragonclaw 80 power, neutral. Damage: Garchomp's Attack 182 vs Rotom-Wash's Defense? Rotom-Wash's Defense 114-174. So damage maybe around 80-120? Might not KO. But we can use Swordsdance to raise Attack, then next turn maybe use Earthquake after switch? But Earthquake won't hit Rotom-Wash. So maybe we should use Dragonclaw to try to KO. But Rotom-Wash has 85% HP, maybe around 130-140 HP. Garchomp's Attack 182, Dragonclaw 80, base damage formula: 80 * (182/??) / 50? Actually damage formula: ((2*Lv+10)/250 * Attack * BasePower / Defense + 2) * modifiers. Rough estimate: (2*50+10)/250 = 110/250 = 0.44. Attack 182, BasePower 80 => 0.44 * 182 * 80 / Defense. Suppose Defense 140 => 0.44 * 182 * 80 / 140 = 0.44 * 182 * 0.571 = 0.44 * 104 = 45.8. Then +2 => 47.8. Modifiers maybe 1. So about 48 damage. Rotom-Wash HP maybe 130. So not KO. So we need to set hazard or use Swordsdance to raise Attack, then maybe use Earthquake after switching? But Earthquake won't hit Rotom-Wash. So maybe we should use Swordsdance to raise Attack, then next turn use Dragonclaw again? That would double damage to ~96, maybe KO. But Rotom-Wash might switch. But we can set Stealthrock to damage future switch-ins. But we might want to use Swordsdance now to raise Attack for next turn. But we also could use Stealthrock to set hazard for future. But we might want to use Dragonclaw now to try to KO. But we can't guarantee. But we can use Swordsdance to raise Attack. That seems best to maximize damage next turn. But we also might want to use Stealthrock to set hazard. But we can only do one action. Which is best? We want to maximize chance to win. We can use Swordsdance to raise Attack, then next turn use Dragonclaw to try to KO. That seems best. So choose Swordsdance.
- Turn 5GPT-6 Luna Decisions used
Hydropump42% MOVE: hydropump, 34% SWITCH: gholdengo, 12% SWITCH: garchomp
GPT-OSS 20B usedDragonclawRotom‑Wash is immune to Earthquake, so that move is useless. Dragonclaw is a STAB, neutral hit that can finish the opponent if it has 125‑150 HP, which is the majority of the range. It also deals decent damage while we’re burning. The other options either raise stats or set hazards but don’t immediately threaten a KO.
Reasoning trace (1,290 words)
We need to decide best action. Garchomp is at 174/185, burning. Rotom-Wash at 91% HP. Garchomp has +2 Attack from Swords Dance. Earthquake is super effective on Rotom-Wash (Water/Electric). Rotom-Wash has Levitate, so Ground moves are not affected? Wait, Rotom-Wash is Electric/Water, not Ground. Levitate gives immunity to Ground. So Earthquake will not hit Rotom-Wash. So Earthquake is useless. Dragonclaw is neutral. Swordsdance would raise Attack further but no immediate benefit. Stealthrock sets hazard but no immediate benefit. Switching to Blastoise might be good to avoid burn damage and set up hazards. But we might want to finish Rotom-Wash. Rotom-Wash has 91% HP, maybe 120-150 HP. Garchomp's Attack 182+2=184. Dragonclaw 80 power, 100% accuracy, no STAB? Garchomp is Dragon/Ground, Dragonclaw is Dragon type, so STAB. So damage ~80*1.5? Actually Dragonclaw gets 1.5 STAB. So 80*1.5=120. No type advantage. Rotom-Wash has Water/Electric, so Dragon is neutral. So 120 damage. Rotom-Wash HP maybe 125-157. So 120 might not KO. Earthquake would be super effective but fails due to Levitate. So we can't KO. So maybe we should switch to Blastoise to set up hazards or use Stealthrock. But we might want to use Stealthrock to set hazard for opponent's next switch. But we don't know who will switch. But we can set hazard. Also we can use Swordsdance to raise Attack for later. But we might want to use Dragonclaw to damage. But we can't finish. So maybe we should switch to Blastoise to avoid burn damage and set hazard. But we could also use Stealthrock to set hazard. But we cannot use both. We need best action. The best action might be to switch to Blastoise to avoid burn damage and set up hazards later. But we might also want to use Stealthrock to set hazard. But we can't set hazard and avoid burn at same time. But we can switch to Blastoise, which will not be burned. So best action: SWITCH: blastoise. Let's check if any other move is better. Swordsdance would raise Attack but we can't finish. Dragonclaw would damage but not finish. Stealthrock sets hazard but we still get burn damage. But we can set hazard and keep Garchomp. But we might want to set hazard for future. But we might want to keep Garchomp to finish later. But we can't finish now. So maybe we should set hazard and keep Garchomp. But we might want to switch to Blastoise to avoid burn damage. But we might also want to set hazard with Stealthrock. Which is better? We need to consider that we are at 174/185, burning. Burn will do 1/16 of max HP each turn. Max HP 185, so burn damage ~11.6 per turn. So we lose ~12 HP each turn. That is not huge. But we might want to keep Garchomp for later. But we can't finish Rotom-Wash now. So we might want to set hazard to damage opponent when they switch. But we don't know if they will switch. But we can set hazard anyway. But we might want to keep Garchomp to finish later. But we might also want to switch to Blastoise to avoid burn damage. But we can also set hazard with Blastoise? Blastoise can set Stealthrock? No, Blastoise doesn't have Stealthrock. So we can't set hazard if we switch. But we can set hazard with Stealthrock now. So we have to choose between staying and setting hazard or switching to avoid burn. Which is more beneficial? We might consider that we can set hazard now and keep Garchomp. That will damage opponent if they switch. But we might also consider that we can switch to Blastoise and then set hazard later. But we might lose the chance to set hazard now. But we might set hazard later when we switch back. But we might not get that chance if opponent switches away. But we can set hazard later anyway. But we might want to set hazard now to damage opponent if they switch. But we might also want to avoid burn damage. But burn damage is small. But we might also want to keep Garchomp to finish later. So maybe staying is better. But we might also consider that we can use Dragonclaw to damage. But we can't finish. But we can damage. But we might want to set hazard to damage opponent if they switch. But we might also want to use Swordsdance to raise Attack for later. But we already have +2 Attack. We could raise to +4 Attack. That might help finish later. But we can't finish now. But we might want to raise Attack for later. But we might also want to set hazard. But we can only do one action. So we need to choose best action. The best action might be to use Stealthrock to set hazard. Because we can still keep Garchomp and raise Attack next turn. But we might also want to use Swordsdance to raise Attack further. But we might want to set hazard. But we might also want to use Dragonclaw to damage. But we can't finish. But we might want to use Dragonclaw to damage. But we might want to set hazard. But we might want to use Swordsdance. Which is best? Let's evaluate. We have 174/185 HP, burning. We have 91% HP Rotom-Wash. Rotom-Wash has 125-157 HP. So we need about 120-150 damage to KO. Dragonclaw deals 120. So we might not finish. But if Rotom-Wash has 125 HP, we might finish. But we don't know. But we might consider that Rotom-Wash might have 125 HP. But we can't guarantee. But we might consider that we might want to finish. But we can't guarantee. But we might want to set hazard to damage opponent if they switch. But we might want to keep Garchomp for later. But we might also want to use Swordsdance to raise Attack to +4. That might help finish later. But we might also want to use Dragonclaw to damage. But we might also want to use Stealthrock to set hazard. Which is best? Let's consider the probability of Rotom-Wash having 125 HP. The range is 125-157. So probability of 125-150 maybe 25/33? Actually 125-157 inclusive is 33 values. 125-150 inclusive is 26 values. So about 78% chance. So we might finish with Dragonclaw. But we can't guarantee. But we might want to set hazard anyway. But we might want to keep Garchomp for later. But we might also want to use Swordsdance to raise Attack to +4. That might help finish later if we can't finish now. But we might also want to set hazard. But we might also want to use Dragonclaw to damage. But we might also want to use Stealthrock to set hazard. Which is best? We need to choose one action. The best action might be to use Dragonclaw to damage Rotom-Wash. Because we might finish. If we don't finish, we still inflicted damage. If we set hazard, we might damage opponent later but not finish now. But we might want to finish now. So best action: Dragonclaw. But we might also want to use Swordsdance to raise Attack. But we already have +2 Attack. We might want to raise to +4. That might help finish later. But we might also want to damage now. But we might want to finish now. So best action: Dragonclaw. But we need to consider that we are burning, but we can still use Dragonclaw. Burn doesn't affect physical moves. So we can use Dragonclaw. So best action: MOVE: dragonclaw. Let's check if any other move is better. Earthquake fails due to Levitate. Swordsdance would raise Attack but not finish. Stealthrock sets hazard but not finish. So best action: Dragonclaw. So we choose that.
- Turn 6GPT-6 Luna Decisions used
Hydropump92% MOVE: hydropump, 3% SWITCH: gholdengo, 2% SWITCH: garchomp
GPT-OSS 20B usedDragonclawRotomwash has Levitate, so Earthquake will miss. Dragonclaw can KO it at ~130 damage, while Garchomp is burned and will die soon.
Reasoning trace (479 words)
We need to decide best action. Garchomp is 61/185 HP, 33% HP, burned. Rotomwash is 49% HP. Garchomp has +2 Attack from Swords Dance earlier. It can use Earthquake (super effective vs Rotomwash, 100% accuracy). Rotomwash has Levitate, so Ground moves are not super effective? Wait, Rotomwash is Electric/Water, not Ground. But Rotomwash has Levitate, which gives immunity to Ground. So Earthquake will not hit? Actually Levitate gives immunity to Ground moves. So Earthquake will miss. So Earthquake is useless. Dragonclaw is normal damage. Swordsdance would raise Attack further but no immediate damage. Stealthrock sets hazard but Rotomwash will take damage on switch-in, but we are not switching. We could switch to Blastoise. Blastoise has 186 HP, 100% HP. Blastoise can use Hydropump (super effective vs Rotomwash? Rotomwash is Electric/Water, so Water moves are not super effective; Electric moves are super effective vs Water? Actually Electric is super effective vs Water, but Hydropump is Water type, so not super effective. Icebeam would be super effective vs Rotomwash? Rotomwash is Electric/Water, Ice is not super effective. Rapidspin would remove hazards but none. Shellsmash is status. So Blastoise cannot KO Rotomwash quickly. But we could use Blastoise's Hydropump to damage Rotomwash. Rotomwash has 49% HP, about 80 HP? Actually 49% of 125-157 HP range: maybe ~77 HP. Hydropump 110 power, 100% accuracy. With Blastoise's 150 SpA, 110 power, 1.5? Wait, 110 power, 150 SpA, 1.5? Actually 110*150/50? But we don't need exact. Likely damage ~110? Might be enough to KO? Let's approximate: 110 power, 150 SpA, 1.5? Actually damage formula: floor(((2*level/5+2)*power*SpA/Stat)/50)+2. For level 50: (2*50/5+2)=22. So 22*110*150/50=22*110*3=7260? Wait 150/50=3. So 22*110*3=7260. /50=145.2. +2=147.2. So about 147 damage. Rotomwash HP maybe 125-157. So 147 damage would KO. So Blastoise can KO Rotomwash with Hydropump. But we are currently using Garchomp. Garchomp is at 61 HP, burned. Rotomwash is at 49% HP. Garchomp's Earthquake would miss due to Levitate. Dragonclaw would do normal damage. Dragonclaw 80 power, 90? Actually 80 power, 182 Attack, 1.5? 182/50=3.64. 22*80*3.64=6400? Wait 22*80=1760. *3.64=6400. /50=128. +2=130. So about 130 damage. Rotomwash HP maybe 125-157. So Dragonclaw could potentially KO if HP low enough. Rotomwash is at 49% HP. If HP is 125, 49% is 61. So 130 damage would KO. If HP is 157, 49% is 77. 130 damage would KO. So Dragonclaw can KO Rotomwash. But Garchomp is burned, so it will take 1/8 of max HP each turn. 185/8=23.125. So 23 damage per turn. So Garchomp will die in 3 turns if not healed. But we can use Dragonclaw now to KO Rotomwash. That would win the battle. So best action: MOVE: dragonclaw. That is the best. Also we could use Swordsdance to raise Attack further, but we already have +2. We could use Swordsdance again to raise Attack to +4, but that would waste a turn. Dragonclaw now will likely KO. So answer: MOVE: dragonclaw.
GPT-OSS 20B switched toBlastoiseWe’re forced to switch because our Garchomp is fainted and the only legal action is to bring in Blastoise. Switching gives us a fresh Pokémon to continue the battle and potentially set up hazards or use Blastoise’s moves next turn.
Reasoning trace (94 words)
We need to decide best action. We have only one legal action: SWITCH: blastoise. So we must switch. But we need to consider if any other action? The only legal action is switch. So we must switch to blastoise. The reasoning: we lost Garchomp, opponent has RotomWash at 10% HP. We can switch to Blastoise to set up hazards or use moves. But we can't use any move because we are forced to switch. So we must switch. The deciding factor: we need to survive, we have no other options. So we choose switch.
- Turn 7GPT-6 Luna Decisions switched to
Gholdengo53% SWITCH: gholdengo, 39% MOVE: voltswitch, 6% SWITCH: garchomp
GPT-OSS 20B usedShellsmashRotom‑Wash is at ~10 % HP and only needs ~15 HP to KO. A single Hydropump or Icebeam is too weak (both are not‑very‑effective on Water). Shellsmash boosts Blastoise’s Atk/SpA by 2 stages, giving a huge damage boost for the next turn and also raises Speed. This sets up a guaranteed KO next turn, even if Rotom‑Wash heals a bit or switches out.
Reasoning trace (643 words)
We need to choose best action. Opponent RotomWash at 10% HP. We have Blastoise 186/186. RotomWash has Leftovers, but at 10% HP, it will heal 1/16 of max HP (~7-10 HP). So if we KO it with a single hit, we win. We need to consider damage. RotomWash is Water/Electric. Blastoise's Hydropump is Water type, but RotomWash is Water type, so Water is not very effective. Hydropump 110 power, 80% accuracy. Icebeam is Ice type, also not very effective on Water. So both are not very effective. But we can consider Shellsmash to boost attack and special attack. But we need to KO. Let's calculate approximate damage. Blastoise stats: ATK 92, SPA 150, Def 120, SpD 127. With Mega? No. But we can use Shellsmash to boost Atk and SpA by 2 stages each. That would increase damage by 2.25x (since 2 stages). But Shellsmash also lowers Def and SpD by 1 stage each. That might reduce damage from opponent's attacks, but not relevant for our damage. But Shellsmash also raises Speed by 2 stages, but not needed. We need to consider that RotomWash has 10% HP. RotomWash's max HP? Range 125-157. 10% of 125 = 12.5, 10% of 157 = 15.7. So HP ~13-16. So we need to do at least that damage. Hydropump with 110 power, 80% accuracy, not very effective on Water. Not very effective reduces damage by 0.5. So effective power 55. But we also have Blastoise's special attack 150. So damage formula: ((2*Lv+10)/250 * power * (Atk/Def) + 2) * random. But we can approximate. For special attack vs special defense. RotomWash's SpD? Range 114-174. So let's approximate worst-case: SpD 174. So damage = ((2*50+10)/250)*110*(150/174)+2. (110*150/174=110*0.862=94.82). (2*50+10=110)/250=0.44. So 0.44*94.82=41.7+2=43.7. Then not very effective halves to ~21.9. Random 0.85-1.0 => 18.6-21.9. So Hydropump alone would not KO. Icebeam: 90 power, 100% accuracy, not very effective on Water. So effective 45. So damage: ((110/250)*90*(150/174)+2) = 0.44*90*0.862+2 = 0.44*77.58+2=34.1+2=36.1. Halved to 18.05. Random 0.85-1 => 15.3-18.1. So not enough. But we can use Shellsmash to boost SpA by 2 stages: 2.25x. So Icebeam damage becomes 18.05*2.25=40.6. Random 0.85-1 => 34.5-40.6. That might be enough to KO RotomWash at 13-16 HP. Yes. So Shellsmash + Icebeam is best. But we only have one move per turn. We could do Shellsmash to boost, but that would take a turn and RotomWash might heal 1/16 of HP (7-10 HP). But RotomWash is at 10% HP. If we Shellsmash, we don't damage it. It will heal 1/16 of max HP, raising HP to maybe 20-25. Then we would need to do Icebeam or Hydropump next turn. That might still be enough. But we can also use Shellsmash + Icebeam in same turn? No, only one action. So we need to decide: either we try to KO now with Hydropump or Icebeam, but not enough. So we need to boost. So we should Shellsmash to boost attack and special attack. But we could also use Rapidspin, but no hazards. So Shellsmash is best to set up for next turn. But we might consider that RotomWash might use Voltswitch or Willowisp or Hydropump. But RotomWash is at 10% HP, so it might try to switch out? But it's at 10% HP, so it might try to switch out to a more powerful Pokemon. But we don't know. But we can anticipate that if it switches, we will get a new opponent. But we can still use Shellsmash to boost. But we might want to use Shellsmash to set up for next turn. But we might also consider using Icebeam to try to freeze it. But freeze chance 10%. If freeze, it won't act next turn. But we still need to KO it. But freeze might give us a chance to KO next turn. But we can't guarantee freeze. So best action is Shellsmash. Thus decision: MOVE: shellsmash.
- Turn 8GPT-6 Luna Decisions used
Shadowball34% MOVE: shadowball, 24% SWITCH: garchomp, 15% MOVE: makeitrain
GPT-OSS 20B usedHydropumpGholdengo’s goodasgold makes status moves ineffective, so shellsmash won’t hurt it. Rapidspin does nothing without hazards. Icebeam is ½‑effective on Steel and only 10% freeze chance, while Hydropump deals the most damage.
Reasoning trace (203 words)
We need to decide best action. Blastoise vs Gholdengo. Gholdengo is Steel/Ghost, goodasgold gives immunity to status moves. So status moves like rapidspin (status? Actually rapidspin is a physical move, not status). But rapidspin is used to remove hazards; no hazards present. Shellsmash is a status move that lowers Def and SpD, raises Atk, SpA, Spe. Gholdengo has goodasgold: immune to status moves. So shellsmash won't affect it. Also Gholdengo has goodasgold, so it is immune to status moves, but shellsmash is a status move? Yes, shellsmash is a status move that lowers stats. So it won't affect Gholdengo. So shellsmash is useless. Hydropump is a strong special move. Icebeam is special, but not very effective on Steel/Ghost? Let's check: Ice is not very effective on Steel (2x resistance), but Ghost is immune to Normal and Fighting, but Ice is not Ghost-type. So Ice is 0.5x on Steel, 1x on Ghost. So overall 0.5x. So Icebeam is not very effective. But it has 10% freeze chance. Gholdengo is Steel/Ghost, so freeze chance? Freeze chance is 10% regardless of type. So could freeze Gholdengo. But hydropump is more damage. Rapidspin is 50 power, but no effect. So best is hydropump. Thus choose MOVE: hydropump.
GPT-6 Luna Decisions switched toGarchomp96% SWITCH: garchomp, 4% SWITCH: rotomwash
- Turn 9GPT-6 Luna Decisions used
Earthquake73% MOVE: earthquake, 13% SWITCH: rotomwash, 6% MOVE: dragonclaw
GPT-OSS 20B usedIcebeamIce Beam is 4× super effective on Garchomp, guaranteeing a KO before it can attack. The 10% freeze chance is a small risk, but the win is certain. No other move can finish it this turn.
Reasoning trace (183 words)
We need to choose best action. Blastoise vs Garchomp. Garchomp has 48% HP, about 100 HP. Blastoise has 186 HP. Garchomp has 48% HP, so about 100 HP. Garchomp has 48% HP, so 48% of 200-ish? Actually 48% of 200? Wait Garchomp HP range 183-215. 48% of 200 ~ 96. So Garchomp HP ~ 96. So Garchomp can hit Blastoise with Earthquake 100 power. Blastoise has 186 HP. So Earthquake would do about 100 damage, maybe 100-120. Blastoise has 186 HP, so Earthquake would not KO. But if Blastoise uses Ice Beam, 90 power, 4x super effective on Garchomp (Ice vs Dragon/Ground). That would do 90*4=360 damage, which would KO Garchomp. So Ice Beam is a guaranteed KO. Also Ice Beam has 10% freeze chance. But Garchomp is not frozen. So Ice Beam is best. Also we could use Hydropump but that would not KO. Rapidspin would remove hazards but none. Shellsmash would boost but not necessary. So best action: Ice Beam. We need to output in format: <thought> ... </thought> <decision> MOVE: icebeam </decision> Check that "icebeam" is legal. Yes. So final.
GPT-6 Luna Decisions switched toRotom100% SWITCH: rotomwash
- Turn 10GPT-6 Luna Decisions used
Voltswitch63% MOVE: voltswitch, 22% MOVE: willowisp, 11% MOVE: painsplit
GPT-OSS 20B usedIcebeamRotom‑Wash is at 10 % HP, so any hit will finish it. Ice Beam has 100 % accuracy and, with Blastoise’s +2 Special Attack boost, will definitely KO. Hydropump is 80 % accurate and not very effective, so Ice Beam is the safer choice.
Reasoning trace (398 words)
We need to decide best action. Blastoise vs Rotom-Wash at 10% HP. Rotom-Wash has 10% HP, so it's almost fainted. We want to finish it. Rotom-Wash is 10% HP, so any move that hits will likely KO. But we must consider that Rotom-Wash has 10% HP, but we don't know exact HP. It's 10% of max HP. Max HP range 125-157. 10% is 12.5-15.7 HP. So we need to do at least that damage. Hydropump 110 power, IceBeam 90. But we have boosts: ATK +2, SPA +2, SPE +2. So special attacks are boosted. So Hydropump will do more damage. Also we have blastoisinite? Wait, we cannot Mega Evolve because no Mega Evolution available? Actually we have blastoisinite, but we cannot Mega Evolve because we are not at the right conditions? Wait, we are a Blastoise with blastoisinite. In Gen 9, Blastoise can Mega Evolve with blastoisinite. But the rule says "Mega Evolution available: No". So maybe we cannot Mega Evolve because we are not in a Mega Evolution zone? But we have blastoisinite. But the rule says "Mega Evolution available: No". So we cannot Mega Evolve. So we cannot use Mega. So we just use a move. We want to finish Rotom-Wash. Hydropump is 110 power, but it's not very effective on Rotom-Wash? Wait, Rotom-Wash is Electric/Water. Water is not super effective on Water, but it's not very effective on Water? Actually Water vs Water is not very effective. So Hydropump is not very effective. IceBeam is 90 power, not very effective on Rotom-Wash? Ice vs Water is not very effective. So both are not very effective. But we have boosts: SPA +2, so 4x? Actually +2 is 4x. So Hydropump 110 * 4 = 440 base damage. But we also have 10% HP. So 440 damage will definitely KO. IceBeam 90 * 4 = 360. Also KO. So either works. But we might want to use RapidSpin to remove hazards? But we have no hazards. So we can just use Hydropump or IceBeam. Which is better? Hydropump has 80% accuracy, IceBeam 100%. But we want to guarantee KO. So IceBeam is 100% accuracy. But we also have 10% HP. So we want to guarantee. So IceBeam is best. But we also have 10% HP. But we might want to use Hydropump to finish. But we want to guarantee. So IceBeam is best. Thus we choose IceBeam.