1n1qkbnr/r2p3p/b1p2p2/pp2pBp1/1P1NP1PP/N7/P1PP1P2/R1BQ1RK1 w k - 0 12
FEN state: 1n1qkbnr/r2p3p/b1p2p2/pp2pBp1/1P1NP1PP/N7/P1PP1P2/R1BQ1RK1 w k - 0 12 ; Best move: d4f3
The current state of the chess board is: Black knight at b8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at d7 and black pawn at h7. Black bishop at a6, black pawn at c6 and black pawn at f6. Black pawn at a5, black pawn at b5, black pawn at e5, white bishop at f5 and black pawn at g5. White pawn at b4, white knight at d4, white pawn at e4, white pawn at g4 and white pawn at h4. White knight at a3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white rook at f1 and white king at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 12. White to move.