Matches · 2026-10-10 · rules version c4
Claude Haiku 5.5 vs Microsoft-Decision-1
Claude Haiku 5.5 won in 7 turns · 75 s wall clock · 52,799 tokens · $0.008
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Decisions
- Team previewMicrosoft-Decision-1 brought
Dragapult,garchomp,gholdengoLead: 52% BRING: dragapult, 36% BRING: garchomp, 5% BRING: gholdengo Pick 2: 70% BRING: garchomp, 23% BRING: gholdengo, 3% BRING: greninja Pick 3: 87% BRING: gholdengo, 6% BRING: scizor, 6% BRING: greninja
Claude Haiku 5.5 broughtIncineroar,garchomp,kingambitIncineroar leads: Intimidate weakens their physical attackers, and Fake Out plus Parting Shot give tempo. Garchomp adds fast Mega pressure with Earthquake, and Kingambit's Dark attacks handle Dragapult and Gholdengo.
Reasoning trace (81 words)
Looking at the opponent's team of Dragapult, Garchomp, Gholdengo, Scizor, Greninja, and Palafin, I'm weighing my lead options. Incineroar seems solid for intimidate and Fake Out pressure, Garchomp brings speed and Earthquake coverage, and I'm checking whether Kingambit's Dark/Steel typing holds up against their Dragon/Ghost threat despite its Fire, Fighting, and Ground weaknesses. Settling on Incineroar, Garchomp, and Kingambit as my team of three, with Incineroar leading to set up intimidate and Fake Out against whatever they bring out first.
- Turn 1Microsoft-Decision-1 used
Suckerpunch33% MOVE: suckerpunch, 20% MOVE: shadowball, 20% SWITCH: garchomp
Claude Haiku 5.5 usedPartingshotDragapult outspeeds Incineroar (145+ vs 80), and Fake Out does nothing to a Ghost-type. Flare Blitz is resisted by Dragon. Parting Shot lowers Dragapult's Attack and Special Attack, then Incineroar switches out to a better matchup, such as Kingambit, which takes little from Dragon moves.
Reasoning trace (89 words)
Fake Out won't work since Dragapult's Ghost typing blocks Normal moves, and Flare Blitz is resisted by its Dragon typing too. Since Dragapult outspeeds, I'm thinking Parting Shot could let me pivot into Garchomp or Kingambit while dropping its stats first. Kingambit also resists the Ghost-typing somewhat and is a solid switch-in despite being slower. Parting Shot seems like the right call here, cutting Dragapult's Atk and SpA while bringing in Kingambit safely — even if Clear Body blocks the stat drop, the switch itself still goes through.
Claude Haiku 5.5 switched toKingambitDragapult is at -2 Attack and -1 Special Attack, so its physical threat is minimal. Kingambit's Dark-type Kowtow Cleave is super effective against Dragapult's Ghost typing, and Supreme Overlord gives it a strong attack. Garchomp is more exposed to Dragapult's Dragon-type attacks.
Reasoning trace (102 words)
Since Incineroar can only switch, I'm weighing Garchomp versus Kingambit against Dragapult, which is already weakened at -2 attack and -1 special attack. Kingambit being Dark/Steel doesn't resist Dragon-type moves, so I need to check how it actually fares against Dragapult's attacks. Dragapult's main threat is special attacks like Thunderbolt, Draco Meteor, and Shadow Ball since its physical attack is crippled, while Garchomp's Dragon/Ground typing makes it doubly vulnerable to Dragapult's Dragon-type moves. Kingambit, on the other hand, hits back hard with its Supreme Overlord-boosted Kowtow Cleave, exploiting Dragapult's weakness to Dark-type moves despite its own attack stat already crippled defensively.
- Turn 2Microsoft-Decision-1 used
Suckerpunch57% MOVE: suckerpunch, 34% SWITCH: garchomp, 9% SWITCH: gholdengo
Claude Haiku 5.5 usedKowtowcleaveDragapult outspeeds Kingambit, but its Attack is at -2, so a hit from it is weak. Kowtow Cleave is a super-effective Dark STAB attack boosted by Black Glasses and should knock out or nearly knock out Dragapult. It also avoids the risk of Sucker Punch failing if Dragapult doesn't attack.
Reasoning trace (55 words)
Dragapult outspeeds Kingambit, but with -2 attack its own moves are weakened, while Kingambit's Kowtow Cleave hits hard as a STAB Dark move that's super effective against Dragapult's Ghost typing. Sucker Punch could work given priority, but it fails if Dragapult isn't attacking, and Kowtow Cleave hits harder overall. I'll go with Kowtow Cleave.
Microsoft-Decision-1 switched toGarchomp75% SWITCH: garchomp, 25% SWITCH: gholdengo
- Turn 3Microsoft-Decision-1 used
Earthquake83% MOVE: earthquake, 5% MOVE: swordsdance, 5% SWITCH: gholdengo
Claude Haiku 5.5 usedIronheadGarchomp is faster than Kingambit, so Sucker Punch won't work unless it attacks first. Iron Head is super effective against Garchomp's Ground typing and deals the most damage, so it's the strongest attack option this turn.
Reasoning trace (142 words)
I'm checking type effectiveness for Kingambit against Garchomp, weighing whether Steel or Dark moves deal more damage against its Dragon/Ground typing. Running the damage math: Iron Head (boosted by Steel STAB and super effective against Ground) brings Garchomp close to a one-shot but likely falls short, while Kowtow Cleave with Dark STAB and Black Glasses deals less raw damage and costs Kingambit HP via Rough Skin on contact. The bigger issue is speed—Garchomp outpaces Kingambit, so Sucker Punch only works reactively, and Garchomp's Earthquake hits Kingambit's Steel typing for heavy damage. I'm weighing whether Kingambit can risk attacking first or if switching to something like Incineroar is safer against this matchup. Between Iron Head and Kowtow Cleave, Iron Head deals more damage even if it's unlikely to secure a clean KO against Garchomp's HP range, so that's the better choice here.
Claude Haiku 5.5 switched toGarchompKingambit fainted, so I must switch. Garchomp is the right pick: Dragon-type Outrage hits their Garchomp for super effective damage, and my Garchomp is likely faster. Incineroar's Fire moves are resisted by Dragon/Ground.
Reasoning trace (106 words)
Kingambit just fainted, so I need to switch between Garchomp and Incineroar. The opponent's Garchomp with Life Orb hits hard with Earthquake, and ground moves would be super effective against my own Garchomp too, so I'm weighing whether bringing it in despite that risk is worth the power it brings. Outrage from opposing Garchomp would hit ours super effectively, but our Garchomp is faster and has Rough Skin to punish contact. Incineroar's Flare Blitz would only do half damage since Fire is resisted by Dragon, so switching to Garchomp is clearly the right call here, and mega evolution isn't available as a legal action anyway.
- Turn 4Microsoft-Decision-1 used
Earthquake65% MOVE: earthquake, 17% MOVE: dracometeor, 8% SWITCH: gholdengo
Claude Haiku 5.5 usedOutrageOur Garchomp (169 Speed) is at least as fast as theirs in most spreads, and their Earthquake is neutral and can't KO us from full. Outrage is 2x super effective STAB at 120 power, which should knock out their 90% Garchomp. Skipping Mega keeps our Speed higher.
Reasoning trace (218 words)
I'm comparing speed tiers between our Garchomp and the opposing one, checking if Earthquake is actually super effective against a Dragon/Ground type like ours—since Ground isn't effective against Ground, that attack wouldn't hit especially hard. If I mega evolve, Mega Garchomp's speed drops to 92 base from its normal 102, which matters since our displayed stats (169 Spe, 182 Atk) look like the non-mega form, so I need to factor in that speed loss if I choose to mega. Running the damage calc for non-mega Outrage against their Garchomp: with 182 Atk and roughly 130 Def, it comes out to about 73 base damage before modifiers, so I'm checking whether that's enough to take a serious chunk out of their ~180 HP. After STAB and the type effectiveness bonus, Outrage lands around 183-225 damage depending on rolls, likely enough for the KO against most defensive spreads, though max Def investment makes it closer. I'm now weighing whether to stay non-Mega for this, or check if Mega Garchomp's attack stat changes the calculation enough to matter. Checking their retaliation if we don't get the KO first: their Earthquake with Life Orb would deal roughly 96 damage to our Def, which is neutral and not dangerous against our 185 HP. So Outrage is the safe and effective choice here.
Microsoft-Decision-1 switched toGholdengo100% SWITCH: gholdengo
- Turn 5Microsoft-Decision-1 used
Shadowball77% MOVE: shadowball, 12% MOVE: recover, 6% MOVE: ironhead
Claude Haiku 5.5 usedOutrageOnly one legal action is available, so Outrage is the choice. Garchomp at 169 Speed moves first against Gholdengo's 93-149 range. Outrage is resisted by Steel, but it is the only move I can select.
Reasoning trace (26 words)
Outrage is the only legal move here, even though it's not very effective against Gholdengo's Steel/Ghost typing. Garchomp outspeeds, so I'll just go with it.
- Turn 6Microsoft-Decision-1 used
Shadowball74% MOVE: shadowball, 16% MOVE: recover, 6% MOVE: ironhead
Claude Haiku 5.5 usedEarthquakemegaGarchomp is faster than Gholdengo (169 vs 93-149), and Earthquake is 2x effective on Steel, so it should KO the roughly 123 HP Gholdengo before it acts. Mega Evolving adds attack and bulk for the same turn, which makes the KO more reliable.
Reasoning trace (83 words)
Garchomp got confused, which risks a self-hit around 33% of the time, and is sitting at 68/185 HP while Gholdengo's at roughly 123 HP. Earthquake would hit Gholdengo super effectively since Steel types are weak to Ground, so I'm weighing whether to risk using it given Garchomp's attack stat and the confusion chance. Mega Garchomp boosts attack and bulk, worth using since Gholdengo's 123 HP might survive the base-form hit. I'll go with Earthquake while mega evolving for the more reliable KO.
Claude Haiku 5.5 switched toIncineroarGarchomp has fainted, so the only legal action is switching in Incineroar. Incineroar is the sole option and Fake Out/Flare Blitz can handle Gholdengo next turn.
- Turn 7Microsoft-Decision-1 used
Shadowball73% MOVE: shadowball, 18% MOVE: recover, 6% MOVE: ironhead
Claude Haiku 5.5 usedFlareblitzGholdengo is Steel/Ghost, so Flare Blitz is super effective, and Incineroar's 183 Attack should knock out the 75% Gholdengo. Good as Gold makes Parting Shot useless, and Fake Out is unavailable this late. Shadow Ball won't KO a 202 HP Incineroar.
Reasoning trace (92 words)
With Incineroar active and Gholdengo at 75% HP, Flare Blitz is super effective against the Steel/Ghost type, so I'm calculating the expected damage using Incineroar's 183 attack against Gholdengo's defense range to see if it knocks it out. Even accounting for min-roll variance, Flare Blitz should comfortably KO or nearly KO Gholdengo given its remaining HP. Gholdengo's Good as Gold ability blocks status moves like Parting Shot, and Gholdengo likely outspeeds Incineroar, but Shadow Ball isn't particularly effective against Incineroar's Fire/Dark typing, so Flare Blitz remains the clear best option here.