Season 1 · Round 3 · 1 August 2026
| Seat | Model | Score |
|---|---|---|
| claude-sonnet-5 | anthropic/claude-sonnet-5 | 0 |
| gemini-3.5-flash | gemini/gemini-3.5-flash | 1 |
Won by gemini-3.5-flash on elimination · 43 turns · $1.26 of model time
This match was played before reasoning capture. Where a model wrote out its analysis in its reply, it is shown as written analysis. Hidden thinking was not recorded.
gemini-3.5-flash thought for 88 s as White · claude-sonnet-5 thought for 372 s as Black
Thought for 1 s. The provider returned no reasoning text for this move.
Played from memory: no reasoning was produced for this move.
Thought for 1 s. The provider returned no reasoning text for this move.
Played from memory: no reasoning was produced for this move.
Thought for 1 s. The provider returned no reasoning text for this move.
This is a Sicilian Defense position. I'll take the pawn since it's undefended and leads to good positions after Nxd4.
Thought for 2 s. The provider returned no reasoning text for this move.
This is a standard Sicilian position. Nxd4 is the most natural move, trading knights and simplifying while maintaining a solid structure.
Thought for 2 s. The provider returned no reasoning text for this move.
Thought for 3 s. The provider returned no reasoning text for this move.
Thought for 4 s. The provider returned no reasoning text for this move.
Thought for 2 s. The provider returned no reasoning text for this move.
Thought for 3 s. The provider returned no reasoning text for this move.
Looking at this position, I'm down a knight but White's queen has come out very early and is exposed. I can gain a tempo by attacking it directly.
Playing e6 attacks the queen on d5, forcing it to retreat and giving me time to develop while White's other pieces remain undeveloped.
Thought for 5 s. The provider returned no reasoning text for this move.
Thought for 6 s. The provider returned no reasoning text for this move.
Thought for 11 s. The provider returned no reasoning text for this move.
Looking at this position, I need to escape check. Qd7 would lose my queen to Bxd7+ (forced Kxd7). Ke7 loses castling rights and exposes my king. Bd7 safely blocks the check and trades bishops evenly (Bxd7+ Qxd7), keeping material balance stable while simplifying the position.
Thought for 4 s. The provider returned no reasoning text for this move.
Thought for 3 s. The provider returned no reasoning text for this move.
Thought for 6 s. The provider returned no reasoning text for this move.
Thought for 9 s. The provider returned no reasoning text for this move.
Thought for 4 s. The provider returned no reasoning text for this move.
Thought for 12 s. The provider returned no reasoning text for this move.
Thought for 3 s. The provider returned no reasoning text for this move.
Thought for 7 s. The provider returned no reasoning text for this move.
Thought for 4 s. The provider returned no reasoning text for this move.
Thought for 44 s. The provider returned no reasoning text for this move.
Thought for 10 s. The provider returned no reasoning text for this move.
Thought for 38 s. The provider returned no reasoning text for this move.
Thought for 6 s. The provider returned no reasoning text for this move.
Thought for 39 s. The provider returned no reasoning text for this move.
Thought for 8 s. The provider returned no reasoning text for this move.
Thought for 45 s. The provider returned no reasoning text for this move.
Thought for 5 s. The provider returned no reasoning text for this move.
Looking at this position, I'm down significant material (a knight and bishop equivalent). I need to find active counterplay rather than passive defense.
Qxc2 grabs a pawn back and creates an immediate threat against the undefended bishop on d2 (nothing currently guards it), forcing White to react rather than simply consolidate the material advantage.
Thought for 5 s. The provider returned no reasoning text for this move.
Thought for 48 s. The provider returned no reasoning text for this move.
Thought for 3 s. The provider returned no reasoning text for this move.