r1q1kb1r/1pp1Qpp1/2n4p/p6n/3p4/3PPN1P/PPb2PP1/R1B1KBNR b KQkq - 0 13
FEN state: r1q1kb1r/1pp1Qpp1/2n4p/p6n/3p4/3PPN1P/PPb2PP1/R1B1KBNR b KQkq - 0 13 ; Best move: f8e7
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, white queen at e7, black pawn at f7 and black pawn at g7. Black knight at c6 and black pawn at h6. Black pawn at a5 and black knight at h5. Black pawn at d4. White pawn at d3, white pawn at e3, white knight at f3 and white pawn at h3. White pawn at a2, white pawn at b2, black bishop at c2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.