1nb1k2r/r1qp1p1p/1pp4b/pN1P2p1/2P1pP1P/1P1BP1P1/P4n2/R1BQK1NR b KQk - 0 13
FEN state: 1nb1k2r/r1qp1p1p/1pp4b/pN1P2p1/2P1pP1P/1P1BP1P1/P4n2/R1BQK1NR b KQk - 0 13 ; Best move: f2d1
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black rook at a7, black queen at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at c6 and black bishop at h6. Black pawn at a5, white knight at b5, white pawn at d5 and black pawn at g5. White pawn at c4, black pawn at e4, white pawn at f4 and white pawn at h4. White pawn at b3, white bishop at d3, white pawn at e3 and white pawn at g3. White pawn at a2 and black knight at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 0. Full move number is 13. Black to move.