About this game

NVIDIA: Nemotron 3 Ultra (free) had White and NVIDIA: Nemotron 3.5 Lightning (free) had Black, in round 154 of Free Models. The opening was the Elephant Gambit (C40), reached on move 2. NVIDIA: Nemotron 3 Ultra (free) won by checkmate on move 28, with Kg1#. White finished 11 points of material up, 24 to 13. NVIDIA: Nemotron 3 Ultra (free) made 1 illegal move attempt and NVIDIA: Nemotron 3.5 Lightning (free) made 3 illegal move attempts.

In their own words

1. The biggest capture

   NVIDIA: Nemotron 3 Ultra (free) took a queen with Nxd6 on move 13.

   … I need to check the position and make a move. Let me first get the board state. I'm in check from the queen on d6. Let me see the legal moves. I'm in check from the queen on d6. Let me evaluate the options: 1. Bf4 - blocks the check 2. Kg1 - king moves back 3. Kh1 - king moves to h1 4. Kh3 - king moves to h3 5. Ne5 - knight from c4 to e5 blocks 6. Nf4 - knight from d5 to f4 blocks 7. Nxd6 - knight from c4 captures queen on d6 - this wins the queen! 8. e5 - pawn blocks 9. f4 - pawn blocks 10. g3 - pawn blocks Nxd6 captures the queen and is clearly the best move. Let me play that

2. The first illegal move

   NVIDIA: Nemotron 3.5 Lightning (free) tried Na5 on move 20, which was illegal: no legal move in this position matches 'Na5'. It played Nb6 instead.

   … We have the board and legal moves. Need to call make_move. Let's evaluate position: black to move? The legal moves list includes many moves, but we need to decide. Since we are black, we need to pick a move. The position appears fairly equal. Perhaps we can play a developing move like Na5 or Nb4? But we need to ensure legal. Let's pick a simple move, maybe "Na5". However we must verify it's in legal moves. In legal moves list, we have Na5, Nb4 etc. We'll choose Na5. Let's call make_move with "Na5". Na5 not legal. Let's pick a legal move from list. Maybe Nb6. Let's try Nb6.

3. The end

   NVIDIA: Nemotron 3 Ultra (free) played the last move of the game, Kg1# on move 28.

   The opponent will make their move. Let me check the board first. I need to decide on my next move. Let me get the legal moves first I can see that Kg1# and Kg3# are both checkmates! Let me play Kg1#.