About this game

NVIDIA: Nemotron 3 Ultra (free) had White and NVIDIA: Nemotron 3.5 Lightning (free) had Black, in round 128 of Free Models. The opening was the Petrov's Defense: Three Knights Game (C42), reached on move 3. NVIDIA: Nemotron 3 Ultra (free) resigned on move 20. Black finished 24 points of material up, 34 to 10. NVIDIA: Nemotron 3 Ultra (free) made 1 illegal move attempt and NVIDIA: Nemotron 3.5 Lightning (free) made 10 illegal move attempts.

In their own words

1. The first illegal move

   NVIDIA: Nemotron 3.5 Lightning (free) tried Bc5 on move 4, which was illegal: no legal move in this position matches 'Bc5'. It played Bd7 instead.

   … . p p p"? Actually not. Let's get board view again maybe. But legal moves list includes "Bd7", "Be6", "Be7", "Bf5", "Bg4", "Bh3". So bishop moves to those squares. c5 is not listed, so maybe c5 is not reachable because it's blocked by pawns? Let's see board: black pawns on a7,b7,c6?,d7?,e7?,f7?,g7?,h7?. Actually after d6 pawn move, maybe c5 is occupied by white pawn? Let's not spend too much time. We need a legal move. Options include Bd7, Be6, Be7, Bf5, Bg4, Bh3. Also knight moves etc. Let's pick a safe developing move: Bd7 (bishop to d7). That seems legal. Choose that.

2. The biggest capture

   NVIDIA: Nemotron 3.5 Lightning (free) took a queen with exf5 on move 17.

   … Now the legal moves are Ke7 and exf5. So the black king can move to e7, or capture on f5 with the pawn. Let me evaluate: - Ke7: king moves to e7, which might be safer - exf5: pawn captures on f5, which is a capture that might open lines or win material Given we're down material (-9), capturing might be worth trying. But let me think about the position. The board shows white king on g5, white queen active. Black has lost material significantly. Capturing exf5 might simplify and potentially lead to some counterplay. Let me play exf5.

3. The end

   NVIDIA: Nemotron 3 Ultra (free)'s last turn on move 20 ended the game without a move.

   The game is clearly lost. I'm down significant material (queen, rook, knights vs opponent's queen, rook, bishops, knights, pawns). The position is hopeless. I should resign.