Matches · 2026-10-13 · rules version c5
Claude Opus 5.5 vs Chimps at the Zoo
Claude Opus 5.5 won in 9 turns · 2 min wall clock · 47,421 tokens · $0.234
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Decisions
- Team previewChimps at the Zoo brought
Garchomp,dragonite,rotomwashClaude Opus 5.5 broughtGarchomp,gholdengo,kingambitPlan: Lead Garchomp (Mega for power); Gholdengo Scarf revenge-kills and cleans; Kingambit late-game with Supreme Overlord. Watch out for opposing Dragonite (Multiscale, ExtremeSpeed) and Rotom-Wash Will-O-Wisp on my physical attackers. Opponent's team mirrors mine. Record their moves and speed as they are revealed.
- Turn 1Chimps at the Zoo used
EarthquakemegaClaude Opus 5.5 usedDragonclawmegaMega Dragon Claw should OHKO their Garchomp (non-mega won't). Mega Garchomp is slower (~159) than non-mega 169. Their team copies mine: Gholdengo likely Scarf, Kingambit Sucker Punch. Gholdengo weak to Ground. Plan: Gholdengo Scarf revenge-kills and cleans; Kingambit late with Supreme Overlord. Watch Dragonite ExtremeSpeed, Rotom Will-O-Wisp. Record their moves.
Reasoning trace (99 words)
In a Garchomp mirror, Mega Garchomp actually drops speed compared to base form, so if my opponent's identical Garchomp stays unmegaed, they'll outspeed my mega at around 169 versus my 159. Running the math, Mega Garchomp's boosted attack gets an OHKO with Dragon Claw against their 185 HP Garchomp, while non-mega Dragon Claw only does 147-173, falling short. If they mega too it's a speed tie and a coinflip on who strikes first, but if they stay non-mega and outspeed me, they'll hit first for that 147-173 range, which I can survive to counter back for the kill.
- Turn 2Chimps at the Zoo used
SwordsdanceClaude Opus 5.5 usedDragonclawTheir Mega Garchomp likely ties my speed at 158. Its Earthquake did ~94 (51%) to my Garchomp. Plan: KO it now. Gholdengo Scarf revenge-kills and cleans; Kingambit late with Supreme Overlord. Watch Dragonite ExtremeSpeed and Rotom Will-O-Wisp. Remaining opponents come from kingambit, gholdengo, dragonite, rotomwash, volcarona.
Reasoning trace (49 words)
Their Garchomp is at 5% HP and we're speed-tied at 158, so it's a coin flip who moves first. If they go first with another Earthquake, it could deal enough to knock us out before we can finish them with Dragon Claw, so I'm weighing the risk carefully.
Chimps at the Zoo switched toDragonite - Turn 3Chimps at the Zoo used
DragondanceClaude Opus 5.5 usedDragonclawDragonite probably has Multiscale, so Dragon Claw only breaks it (about 55-60%). If it KOs my Garchomp, Scarf Gholdengo comes in and finishes it with Make It Rain (~135 dmg). Kingambit stays healthy for late Supreme Overlord. Their last mon is kingambit, gholdengo, rotomwash or volcarona. Record Dragonite's moves (ExtremeSpeed? Dragon Dance?).
Reasoning trace (100 words)
I'm considering Dragonite likely running Multiscale, and weighing whether my Garchomp's Dragon Claw could break through its bulk given the Mega's boosted Attack and the super-effective STAB damage. Checking the numbers, Dragon Claw only gets around 105 damage after multiscale halves it, so it's not a OHKO, and Dragonite could retaliate hard - either breaking through with its own Dragon move or outspeeding with Extreme Speed. Stone Edge does less without STAB, so Dragon Claw is still the better pick, and if Garchomp goes down, I can pivot to scarf Gholdengo's Make It Rain to clean up Dragonite afterward.
- Turn 4Chimps at the Zoo used
OutrageClaude Opus 5.5 usedDragonclawDragonite is at 42% and no longer at full HP, so Multiscale is broken and Dragon Claw should KO. If it outspeeds and KOs my Garchomp, Scarf Gholdengo finishes it with Make It Rain. Watch for ExtremeSpeed and for Earthquake hitting Gholdengo. Keep Kingambit healthy for late Supreme Overlord. Their last mon is kingambit, gholdengo, rotomwash or volcarona.
Reasoning trace (42 words)
Dragonite at 42% HP with boosted stats will likely outspeed our Garchomp now that multiscale is broken, meaning its next Dragon Claw could deal around double damage and KO us, so Stone Edge's 80% accuracy risk needs weighing against that threat.
Claude Opus 5.5 switched toGholdengoTheir Dragonite has Dragon Dance and Outrage and is locked into Outrage. Gholdengo (Choice Scarf, 223 speed) outspeeds Dragonite even at +1 (max 217) and Make It Rain should KO it from 42%. Next, their last mon comes from kingambit, gholdengo, rotomwash or volcarona. Make It Rain lowers my SpA, so consider switching. Kingambit gets Supreme Overlord late.
Reasoning trace (45 words)
Their Dragonite is locked into Outrage, which Steel-types like Gholdengo and Kingambit both resist, so that's not a major threat right now. With +1 boosts it's hitting 217 speed, likely scarfed, so I need to track that it'll be outrunning most of my team.
- Turn 5Chimps at the Zoo used
OutrageClaude Opus 5.5 usedMakeitrainGholdengo is Choice Scarfed (223 Speed) and locked into Make It Rain after this turn; its SpA drops -2 each use. Their last mon is kingambit, gholdengo, rotomwash or volcarona. If it is their Kingambit, it beats my Gholdengo, so switch to my Kingambit (Supreme Overlord boosted, Kowtow Cleave). If it is Rotom, watch for Will-O-Wisp on Kingambit.
Reasoning trace (80 words)
Checking Gholdengo's Make It Rain against Dragonite with a scarf boost — speed-wise 149*1.5=223 beats Dragonite's 217, and damage-wise it's neutral type-wise, landing around 42% on a max SpD Dragonite. If Dragonite isn't maxed on SpD (likely running a physical Dragon Dance set with ~108-120 SpD instead), Make It Rain should actually secure the KO, doing roughly 125 damage. Shadow Ball at 80 base power is less certain against that SpD, so Make It Rain is the safer choice.
Chimps at the Zoo switched toRotom - Turn 6Chimps at the Zoo used
VoltswitchClaude Opus 5.5 switched toKingambitOpponent's last mon is Rotom-Wash. Kingambit (Supreme Overlord +10%) attacks with Kowtow Cleave. If Rotom burns Kingambit, switch back to Gholdengo, which is immune to status (Good as Gold) and has its SpA reset, and lock into Shadow Ball. Gholdengo speed 223 with Scarf. Record Rotom's moves.
Reasoning trace (48 words)
Gholdengo is stuck with Make It Rain, which would barely scratch Rotom-Wash, so switching to Kingambit makes more sense. With Supreme Overlord only getting a small boost from Garchomp's faint, I'm weighing whether Kowtow Cleave can handle Rotom-Wash given its likely Will-O-Wisp, Hydro Pump, or Volt Switch.
- Turn 7Chimps at the Zoo used
PainsplitClaude Opus 5.5 usedKowtowcleaveRotom-Wash is their last mon; Volt Switch did 51 to Kingambit. Kowtow Cleave should do about 60-70%, so two hits KO it. If Rotom burns Kingambit, switch to Gholdengo (immune to status, Choice Scarf 223 speed, SpA reset on switch) and lock into Shadow Ball. Watch for Hydro Pump or Will-O-Wisp.
Reasoning trace (104 words)
Rotom had nothing to Volt Switch into so it stayed in, leaving Kingambit at 156. I'm working out Kowtow Cleave's damage with the Supreme Overlord and Black Glasses boosts against Rotom's defense, though I don't know its exact spread so I'm estimating around 107 base defense at level 50. Working through the math, Kowtow Cleave looks like it'll deal roughly 66% to Rotom, meaning two hits should be enough, and Kingambit at 156 can survive several more Volt Switches unless Rotom lands a burn. I'm weighing Swords Dance for a guaranteed OHKO but the burn risk makes a straightforward attack the safer play.
- Turn 8Chimps at the Zoo used
VoltswitchClaude Opus 5.5 usedKowtowcleaveRotom-Wash is their last mon: Volt Switch, Pain Split, Leftovers. Kowtow Cleave does about 50%, so keep using it. If Rotom burns Kingambit, switch to Gholdengo (status immune, Scarf, SpA reset) and lock into Shadow Ball. Sucker Punch only to finish it if it is very low and attacking.
Reasoning trace (29 words)
I'm trying to trace the HP changes — pain split seemed to leave Kingambit's HP oddly unchanged at 156, then Kowtow Cleave brought Rotom down to around 56%.
- Turn 9Chimps at the Zoo used
VoltswitchClaude Opus 5.5 usedKowtowcleaveRotom-Wash is their last mon, at 12%: it has Volt Switch, Pain Split and Leftovers. Kowtow Cleave should finish it even after a Pain Split. If Rotom burns Kingambit, switch to Gholdengo (status immune, Scarf, SpA reset) and lock into Shadow Ball.
Reasoning trace (57 words)
With Rotom at 12% facing a likely KO from Kowtow Cleave, I'm weighing options: Volt Switch deals solid damage but can't let it escape since it's the last Pokémon, while Pain Split could heal it to around 40% but still risks a follow-up KO. Sucker Punch seems worth considering too as a way to strike first.