Matches · 2026-10-10 · rules version c3
GPT-6 Luna Decisions vs Claude Haiku 5.5
GPT-6 Luna Decisions won in 9 turns · 2 min wall clock · 56,270 tokens · $0.011
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Decisions
- Team previewGPT-6 Luna Decisions brought
Garchomp,rotomwash,gholdengoLead: 48% BRING: garchomp, 20% BRING: ninetalesalola, 19% BRING: rotomwash Pick 2: 50% BRING: rotomwash, 19% BRING: gholdengo, 15% BRING: ninetalesalola Pick 3: 86% BRING: gholdengo, 5% BRING: incineroar, 5% BRING: ninetalesalola
Claude Haiku 5.5 broughtIncineroar,garchomp,gholdengoIncineroar leads to use Intimidate and Fake Out against their physical attackers. Garchomp brings Mega speed and Earthquake pressure against Scizor, Incineroar, and Gholdengo. Gholdengo adds special coverage that hits Scizor and Ninetales-Alola well.
Reasoning trace (64 words)
Looking at team preview against their Garchomp, Rotom-Wash, Scizor, Incineroar, Gholdengo, and Ninetales-Alola, I'm weighing Incineroar as a lead for Intimidate and Fake Out pressure against their Garchomp and Scizor, alongside Mega Garchomp as a strong pick, while considering how to handle their Rotom-Wash. I'll settle on Incineroar, Garchomp, and Gholdengo for a balanced bring, with Kingambit as an alternative option against Scizor.
- Turn 1GPT-6 Luna Decisions used
Earthquake84% MOVE: earthquake, 14% SWITCH: rotomwash, 1% MOVE: stoneedge
Claude Haiku 5.5 usedFakeoutFake Out only works on the first turn, and this is turn 1 with Incineroar on the field. Garchomp is faster than Incineroar, so the flinch stops its first attack, which could be a strong Earthquake into my Fire type. Fake Out is the best tempo play here.
Reasoning trace (40 words)
Since it's turn 1 with Incineroar active, Fake Out is usable and should flinch Garchomp, setting up a Flare Blitz follow-up—though Fire is resisted by the Dragon typing, it's neutral against Ground, so the damage should still be solid.
- Turn 2GPT-6 Luna Decisions used
Earthquake82% MOVE: earthquake, 12% SWITCH: rotomwash, 3% SWITCH: gholdengo
Claude Haiku 5.5 usedPartingshotFlare Blitz is resisted by Garchomp's Dragon typing, and Protect only delays. Parting Shot drops the opponent's Garchomp to -2 Attack, weakening its Earthquake and Outrage, and forces a switch while our Incineroar pivots out at 177 HP.
Reasoning trace (136 words)
I'm checking the opponent's Garchomp at 85% HP with lowered attack, likely took damage from rough skin, and considering whether it's holding Garchompite given its bulk. Now I'm weighing Flare Blitz against it, noting Fire is resisted by Dragon/Ground types. Gholdengo doesn't match up well either since Thunderbolt is useless against Ground, Shadow Ball offers decent but unremarkable damage, and Garchomp likely outspeeds it. I'm also factoring in that our Incineroar is healthy but vulnerable to Earthquake or Outrage, so Parting Shot to lower Garchomp's offenses could be worth considering. Switching Incineroar to Gholdengo looks risky since Earthquake hits Steel for 2x and would likely knock it out, while Outrage is neutral at best. Parting Shot stands out as the strongest line—it further cripples Garchomp's already-lowered attack and lets us pivot into a better matchup.
Claude Haiku 5.5 switched toGarchompIncineroar at 83 HP is in danger from another Earthquake, and Gholdengo would take double damage from Ground. Garchomp resists nothing from Earthquake but is neutral to it, and the opponent's Garchomp is at -2 Attack. Our Garchomp's Outrage is super effective against it and should threaten a knockout.
Reasoning trace (162 words)
With Incineroar at 83/202 against the weakened Garchomp, I'm weighing switching to my own Garchomp at full health or bringing in Gholdengo, since Earthquake would hit Gholdengo's Steel typing for 2x damage despite its Ghost immunity to normal Ground effects. Incineroar is Fire/Dark, so it's 2x weak to Ground and already dropped from 177 to 33 off that EQ -- another hit kills it, even with Garchomp's attack now lowered by two stages. Switching to Gholdengo looks safer despite taking 2x from Ground: it's at full HP with Good as Gold blocking status, and Thunderbolt is useless against Garchomp (Ground immunity) but Shadow Ball hits neutrally and Make It Rain is an option too. Actually bringing in my own Garchomp might be stronger -- Outrage gets a 2x Dragon-on-Dragon boost against their weakened attacker, I'm likely faster, and even taking a reduced EQ hit I should have enough HP to follow up with a near-KO. I'll go with switching to Garchomp.
- Turn 3GPT-6 Luna Decisions used
Earthquake34% MOVE: earthquake, 24% SWITCH: rotomwash, 15% MOVE: dragonclaw
Claude Haiku 5.5 usedOutrageOutrage is Dragon-type, so it hits the opposing Dragon/Ground Garchomp for 2x damage. Our Garchomp (169 Speed) should still move first without Mega, and Mega would drop our Speed. Outrage is the strongest move here.
Reasoning trace (206 words)
Their Garchomp's attack is weakened by two stages, so its Earthquake hits much softer now. I'm comparing speeds—our Garchomp at 169 should outpace their base 102 speed Garchomp fairly comfortably. Now I'm weighing whether to Mega Evolve: Mega Garchomp trades some bulk for a huge attack boost (around 170 base ATK) plus better defense, which could make our moves hit much harder this turn, but I need to decide if it's worth giving up the option to Mega later. Their Garchomp is Dragon/Ground, so Earthquake against it is neutral, and Rough Skin punishes contact moves from both sides at 1/8 HP. Checking our Outrage against their Garchomp: Dragon hits neutral on Ground but super effective on Dragon, so it's still 2x overall. Outrage at 120 BP with STAB and 2x effectiveness looks like our best shot to knock out or heavily damage their Garchomp, even factoring in their decent Defense. Stone Edge would just be neutral here since Rock isn't super effective against Ground, so Outrage is clearly the stronger choice despite the lock-in and confusion risk. I should also keep our Garchomp un-mega'd to preserve speed, since Mega Evolution would slow us down and risk letting their Garchomp move first. Going with Outrage now.
GPT-6 Luna Decisions switched toRotom95% SWITCH: rotomwash, 5% SWITCH: gholdengo
- Turn 4GPT-6 Luna Decisions used
Hydropump70% MOVE: hydropump, 20% MOVE: willowisp, 5% MOVE: voltswitch
Claude Haiku 5.5 usedOutrageOnly one legal action is available: Outrage. Garchomp is a Mega-capable Dragon attacker and Outrage is its strongest option against Rotom-Wash (Electric/Water), so this is the correct play.
- Turn 5GPT-6 Luna Decisions used
Hydropump86% MOVE: hydropump, 12% MOVE: voltswitch, 1% MOVE: willowisp
Claude Haiku 5.5 usedOutrageGarchomp outspeeds Rotom-Wash (169 vs 86), and Rotom has only 38 HP left. Outrage is neutral against Electric/Water and should knock it out. Earthquake is useless because Levitate grants immunity, and I'll save Mega Evolution for a later threat.
Reasoning trace (89 words)
Our Garchomp has 47/185 HP left but can Mega Evolve, while Rotom-Wash is down to 38 HP. Since Rotom-Wash has Levitate, Earthquake is useless, but Outrage and Stone Edge both hit neutrally, so either could work for the kill. We outspeed Rotom-Wash regardless, so Mega Evolving isn't strictly necessary for speed — regular Garchomp's Outrage should already OHKO at 38 HP given Rotom's modest defense. I'll save the Mega for later and just go with plain Outrage, accepting the lock-in risk since this should end the fight anyway.
Claude Haiku 5.5 switched toGholdengoGarchomp has fainted, so I must send in a replacement. Gholdengo is at full HP and outspeeds Rotom-Wash (136 vs 86), and Shadow Ball or Make It Rain should KO the 44% Rotom before it can act again. Incineroar at 41% is much more vulnerable to Hydro Pump.
Reasoning trace (54 words)
With Garchomp down, I'm weighing Incineroar against Gholdengo versus their Rotom-Wash, checking which moves land as neutral or super-effective since Rotom's Electric/Water typing resists some options. Gholdengo outspeeds Rotom-Wash and its Shadow Ball or Thunderbolt should finish it off easily at 44% HP, making it the clear free switch-in now that Garchomp fainted.
- Turn 6GPT-6 Luna Decisions used
Voltswitch53% MOVE: voltswitch, 27% SWITCH: gholdengo, 14% MOVE: hydropump
Claude Haiku 5.5 usedMakeitrainGholdengo is faster than Rotom-Wash (136 vs 86), and Rotom is at 44 HP. Make It Rain with Life Orb and STAB should easily knock it out before it moves. The self-debuff doesn't matter if the target faints.
Reasoning trace (47 words)
I'm checking type matchups for Gholdengo's Steel-type Make It Rain against Rotom-Wash, which is Electric/Water-typed, to figure out damage effectiveness. At 44% HP remaining, Rotom-Wash is unlikely to survive a Life Orb-boosted Make It Rain from Gholdengo, and since Gholdengo outspeeds, I'll go with that move.
GPT-6 Luna Decisions switched toGholdengo100% SWITCH: gholdengo
- Turn 7GPT-6 Luna Decisions used
Shadowball69% MOVE: shadowball, 26% MOVE: makeitrain, 2% MOVE: nastyplot
Claude Haiku 5.5 usedShadowballTheir Gholdengo is at full HP, so this is not a KO turn. Shadow Ball is super effective on their Steel/Ghost and is our strongest attack, and we're likely faster (136 Speed). Make It Rain is resisted by their Steel type, so Shadow Ball is the best option.
Reasoning trace (160 words)
My Gholdengo is down at 79/164 with lowered SpA, facing an opponent Gholdengo at full health. I'm weighing Make It Rain's effectiveness against their Steel/Ghost typing, since Steel resists Steel. Shadow Ball is actually the better call here since Ghost is super effective against Ghost-types, so it hits their Gholdengo for 2x damage despite my SpA drop. I'm roughly calculating that with my lowered attack stat, Shadow Ball should still do solid damage given the type advantage. Checking Rotom's HP at 22% and whether switching to Incineroar makes sense against Gholdengo — their Shadow Ball would hit our Gholdengo for solid damage too, so I need to weigh whether our Gholdengo at full HP can tank a hit back. Our Gholdengo's speed of 136 beats their likely slower Gholdengo, so we probably move first with Shadow Ball for strong damage before they retaliate. Switching to Incineroar doesn't offer much advantage here, so I'll stick with attacking using Shadow Ball.
Claude Haiku 5.5 switched toIncineroarOnly one legal action is available: switching to Incineroar, which is forced since my Gholdengo fainted. Incineroar's Intimidate will help against the opposing Gholdengo's physical attacks, though its Ghost-type weakness to Shadow Ball remains a concern.
- Turn 8GPT-6 Luna Decisions used
Shadowball67% MOVE: shadowball, 10% MOVE: makeitrain, 9% SWITCH: rotomwash
Claude Haiku 5.5 usedProtectGholdengo is Ghost, so Fake Out does nothing, and Good as Gold blocks Partingshot. Flare Blitz is resisted by its Steel typing and won't KO. Protect denies a turn of Shadow Ball, and Life Orb recoil wears Gholdengo down.
Reasoning trace (133 words)
My Incineroar is at 83/202 HP against a Gholdengo with Life Orb at 90% HP. Since Gholdengo is Steel/Ghost, it resists Flare Blitz and is immune to Fake Out entirely, so I need to think about what actually hits it effectively. Parting Shot would be stat-lowering status, but Gholdengo's Good as Gold ability blocks that, so it would just fail. Meanwhile Gholdengo's Shadow Ball is Ghost-type, which hits Incineroar's Dark typing super effectively, meaning if it stays in it risks a big hit that could threaten to knock it out given its current HP. If Gholdengo is faster, it shadow balls before Flare Blitz connects, so protecting just delays the inevitable while costing Gholdengo 10% Life Orb recoil per attack—but Incineroar has no recovery to outlast that trade. I'll go with Protect.
- Turn 9GPT-6 Luna Decisions used
Shadowball73% MOVE: shadowball, 17% MOVE: makeitrain, 4% MOVE: nastyplot
Claude Haiku 5.5 usedFlareblitzFlare Blitz is super effective against Steel-type Gholdengo, and Incineroar's Attack should knock out the opposing Gholdengo, which is at 90% HP. Shadow Ball does only neutral damage to Incineroar's Fire/Dark typing, and Incineroar survives it at 83 HP. Protect or Parting Shot would just waste the turn.
Reasoning trace (64 words)
I'm checking Incineroar's Flare Blitz damage against Gholdengo, factoring in the Fire/Steel type advantage and the opponent's attack drop, to see if it can secure the knockout this turn. Checking type effectiveness, Ghost isn't super-effective against Dark or Fire, so Shadow Ball only deals neutral damage back to Incineroar, which likely survives. Flare Blitz remains the clearly optimal choice despite the recoil cost.