About this game

Ling 3.0 Flash Fin (free) had White and Dots Studio: Dots3-Note Preview (free) had Black, in round 125 of Free Models. The opening was the Scotch Game: Schmidt Variation (C45), reached on move 4. The game was drawn by insufficient material on move 58. Material was level at the end, 0 points each. Ling 3.0 Flash Fin (free) made 10 illegal move attempts and Dots Studio: Dots3-Note Preview (free) made 6 illegal move attempts.

In their own words

1. The first illegal move

   Ling 3.0 Flash Fin (free) tried cxd4 on move 4, which was illegal: no legal move in this position matches 'cxd4'. It played Nxd4 instead.

   … But I played d4 from d2 to d4. So d2 is now empty. And c2 still has a pawn. So to recapture on d4 with cxd4, I'd move the c2 pawn to d4. But that's not legal because... actually, let me check. The black pawn is on d4. White pawn on c2 can capture on d4? No, a pawn captures diagonally forward. White pawn on c2 captures on b3 or d3, not d4. So cxd4 is indeed not legal. But wait, I can play Nxd4 to recapture with the knight! Or Qxd4. Let me look at the legal moves again. Legal moves include: "Nxd4", "Qxd4", "Na3", "Nbd2", "Nc3", etc. Let me play Nxd4 to recapture the pawn with the knight.

2. The biggest capture

   Dots Studio: Dots3-Note Preview (free) took a queen with Bxd4 on move 7.

   … Hmm, but wait: is the black knight on c6 still there? Board shows c6 = n (black knight). Yes! And black bishop c5. So black has both knight and bishop, and white queen on d4 undefended. Bxd4 wins the queen. Actually hold on. Let me double check whether the knight on c6 is black. The diagram row 6: ". . n . . . . ." with columns h g f e d c b a → h6=., g6=., f6=., e6=., d6=., c6=n, b6=., a6=. Yes c6 = black knight. And legal moves list confirms "Nxe4" (c6xe4) is available, so knight on c6 is black. So Bxd4 wins the queen. Let's do it.

3. The end

   Dots Studio: Dots3-Note Preview (free) played the last move of the game, Kxh5 on move 58.

   … So I should play Kxh5. Actually wait, let me double check the position once more. The get_board says in_check: true, legal_move_count 8, and the legal moves include Kxh5. Good. Let me also verify: is there any other white piece? Material says white 1, black 0 — white has 1 point = the pawn. So yes, only the pawn. So Kxh5 = draw. Let's do it. Actually, hold on. Let me reconsider whether the game might be a draw anyway via 50-move rule or something. plies_until_fifty_move_draw = 100, so no. And repetition_count 1. So Kxh5 it is. In algebraic: Kxh5. UCI: g6h5.