Matches · 2026-10-09 · rules version c2

GPT-6 Luna Pro vs Chimps at the Zoo

GPT-6 Luna Pro won in 12 turns · 3 min wall clock · 111,192 tokens · $0.016

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Decisions

1. Team preview
   GPT-6 Luna Pro brought Garchomp,primarina,gholdengo9,105 tok · 13.3 s · $0.0013

   Garchomp, Primarina, and Gholdengo give the best coverage into the opposing Dragon, Steel, and Fairy threats. Garchomp’s speed and Focus Sash make it a strong lead while Primarina covers the opposing Dragons.

2. Turn 1
   Chimps at the Zoo used Calmmind
   GPT-6 Luna Pro switched to Gholdengo7,759 tok · 13.2 s · $0.0012

   Primarina is a bad matchup for Garchomp: its Fairy attack threatens a knockout, while Garchomp cannot KO it immediately. Gholdengo resists Fairy and is the safest switch.

   Reasoning trace (80 words)

   **Evaluating switch strategy**
   
   I’m considering the matchup of Garchomp against the opposing Primarina. It seems smart to switch to my own Primarina, but weirdly labeled bench ones like Gholdengo complicate decisions. The opponent's Primarina threatens with fairy and water moves. My Gholdengo resists fairy and is neutral to water, while it threatens with Make it Rain. Switching to Gholdengo seems best since Garchomp is weak against fairy, and Primarina is bulky. A potential switch with my Primarina isn’t ideal either.

3. Turn 2
   Chimps at the Zoo switched to Gholdengo
   GPT-6 Luna Pro used Makeitrain7,920 tok · 11.6 s · $0.0012

   Gholdengo has the best matchup here, resisting Primarina’s Fairy STAB, and switching would give up pressure against its boosts. Make It Rain is the strongest immediate hit, even though Water typing cancels its Steel super effectiveness.

4. Turn 3
   Chimps at the Zoo switched to Primarina
   GPT-6 Luna Pro switched to Garchomp8,831 tok · 15.2 s · $0.0015

   At −2 Special Attack, Gholdengo is poorly positioned to win this exchange. Garchomp is faster and threatens an immediate knockout with Earthquake, while resisting Make It Rain.

5. Turn 4
   Chimps at the Zoo used Encore
   GPT-6 Luna Pro switched to Gholdengo9,177 tok · 14.6 s · $0.0015

   Primarina threatens Garchomp with a super-effective Fairy attack, and Garchomp is faster but unlikely to knock it out with Earthquake. Gholdengo resists Fairy and is the safer switch.

   Reasoning trace (73 words)

   **Evaluating battle strategies**
   
   I'm analyzing the effectiveness of moves in battle. Water resists steel, while fairy type is weak against it, so that makes it neutral. I think Shadow Ball is also neutral. If I'm considering Gholdengo, switching might be a smarter option to avoid a likely knockout. Balancing these moves requires attention to resistances and weaknesses, but it looks like the best strategy is to switch instead of risking an immediate hit.

6. Turn 5
   Chimps at the Zoo used Moonblast
   GPT-6 Luna Pro used Makeitrain8,164 tok · 11.5 s · $0.0011

   Gholdengo is faster and resists Primarina’s Fairy STAB, while switching Garchomp risks a super-effective hit. Make It Rain is the strongest immediate attack, though Primarina’s Water typing keeps it from being super effective.

   Reasoning trace (270 words)

   **Evaluating Gholdengo vs Primarina**
   
   I need to assess the matchup between Gholdengo and Primarina. Primarina likely uses moves like Moonblast or Hyper Voice, maybe Encore. Gholdengo resists Fairy moves, but Steel is super effective against Fairy. Primarina resists Steel due to its Water typing, leading to neutral damage. Gholdengo has a speed advantage but might not OHKO Primarina. If I consider switching to my Primarina or Garchomp, my Primarina could threaten with strong moves, but there's the risk of Encore from the opponent. I could choose to make it rain now.**Analyzing Gholdengo vs. Primarina**
   
   After the switch, stat changes reset, giving me a fresh start. The opposing Primarina can threaten with Water STAB, but Gholdengo resists Fairy moves, making Water damage neutral. I wonder if "Make It Rain" can knock out Primarina at 100% health. Gholdengo has 203 SpA, but I’m unsure of Primarina's Special Defense. I could use Nasty Plot since Encore failed, but Gholdengo blocks Encore due to Good as Gold, allowing me to boost freely. However, Primarina may benefit from Calm Mind, and it might be smarter to attack now. Switch to my Primarina?**Considering Matchup Decisions**
   
   I’m not keen on staying with Garchomp against a Fairy-type due to the likely Moonblast or Hyper Voice. Switching in my own Primarina could help with a Water move, but it might face a neutral Moonblast or resisted Hyper Voice. All the while, Primarina resists Water but faces a neutral Fairy hit. The opponent could use Encore or Calm Mind, which complicates my decision. I think I should stay in and make it rain, considering the speed and expected damage values.

7. Turn 6
   Chimps at the Zoo used Encore
   GPT-6 Luna Pro used Makeitrain11,455 tok · 26.2 s · $0.0023

   Gholdengo is faster, and Make It Rain is super effective against Primarina. At -2 it likely won’t knock Primarina out, but it pressures it into another Life Orb hit and recoil while keeping Gholdengo in.

   Reasoning trace (70 words)

   **Analyzing damage dynamics**
   
   If Gholdengo attacks, it could deal enough damage to drop Prim's health to around 16%. Then, if Prim uses Moonblast and takes recoil damage, it might survive but be pretty weakened. I wonder how the numbers play out here, and if there are any other factors I should consider, like additional effects or possible strategies. It's all a bit tricky, but I'm keen to figure it out!

8. Turn 7
   Chimps at the Zoo used Calmmind
   GPT-6 Luna Pro used Makeitrain8,052 tok · 7.8 s · $0.0010

   Make It Rain is the reliable way to finish Primarina at 2% before it can act. Even at -4 Special Attack, that low HP makes the knockout likely.

   Chimps at the Zoo switched to Dragonite
9. Turn 8
   Chimps at the Zoo used Dragonclawmega
   GPT-6 Luna Pro switched to Primarina8,003 tok · 7.2 s · $0.0010

   Gholdengo is at −6 Special Attack and cannot meaningfully pressure a healthy Dragonite. Switching to Primarina gives a much better matchup and threatens it with Moonblast.

10. Turn 9
    Chimps at the Zoo switched to Gholdengo
    GPT-6 Luna Pro used Moonblast7,907 tok · 6.4 s · $0.0010

    Primarina is immune to Dragon Claw, so it can safely stay in while threatening Dragonite with a super-effective Moonblast. Multiscale softens the hit, but Moonblast is still the strongest pressure.

    Reasoning trace (77 words)

    **Analyzing battle choices**
    
    I need to weigh my options between Primarina and Dragonite. Primarina's Moonblast has high damage potential and is super effective against Dragonite, which is weak to Fairy types. However, Dragonite's ability Multiscale halves damage, so I’m estimating around 45% effectiveness on a hit. Dragonite might attempt a Dragon Dance, which complicates things. Gholdengo can resist Dragon Claw and threaten Dragonite, but if it switches, Primarina's Moonblast remains my best option, so I’ll choose that.

11. Turn 10
    Chimps at the Zoo used Nastyplot
    GPT-6 Luna Pro used Hypervoice8,860 tok · 12.9 s · $0.0013

    Liquid Voice makes Hyper Voice a STAB Water attack, which hits Gholdengo neutrally and should knock out its remaining HP. The likely knockout is better than switching or using the resisted Moonblast.

    Reasoning trace (73 words)

    **Choosing moves for Prim**
    
    I'm considering Prim, who is a water fairy with neutral steel traits. Shadow Ball is also neutral, and there's a 44% chance that Hyper Voice could take it out. So I need to make a choice here. I’m repeating the same thoughts a bit, but it keeps coming back to deciding between these moves based on the effective damage. Let’s go with the best strategy for my chosen actions.

    Chimps at the Zoo switched to Dragonite
12. Turn 11
    Chimps at the Zoo used Dragonclaw
    GPT-6 Luna Pro used Moonblast7,963 tok · 6.2 s · $0.0010

    Moonblast is super effective against Dragonite and gives the best pressure despite Multiscale halving damage at full HP. Primarina is immune to the revealed Dragon Claw, so there’s no reason to switch.

13. Turn 12
    Chimps at the Zoo used Dragondance
    GPT-6 Luna Pro used Moonblast7,996 tok · 7.9 s · $0.0010

    Moonblast is the deciding factor: it already dealt about 60% to this Dragonite, so it should knock it out from 40% HP. Dragon Claw is also ineffective against Primarina.

    Reasoning trace (75 words)

    **Analyzing battle strategy**
    
    I need to decide if Moonblast is the best move for a potential knockout. Against Dragonite, which is at 40% health and previously went from 100 to 40 under a Moonblast attack, it seems very likely. Primarina is faster, and Dragonite's base speed is 100 while Primarina's is 80. However, Dragonite only used Dragon Claw, which won't affect Primarina. Since Moonblast is super effective, I'm leaning towards it being the best option.