r1b1kbnr/p2p1p2/2p2qpp/4p1B1/1p1PNP1P/1P4P1/PP2PK2/R2Q1BNR b kq - 0 13
FEN state: r1b1kbnr/p2p1p2/2p2qpp/4p1B1/1p1PNP1P/1P4P1/PP2PK2/R2Q1BNR b kq - 0 13 ; Best move: f6f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7 and black pawn at f7. Black pawn at c6, black queen at f6, black pawn at g6 and black pawn at h6. Black pawn at e5 and white bishop at g5. Black pawn at b4, white pawn at d4, white knight at e4, white pawn at f4 and white pawn at h4. White pawn at b3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at e2 and white king at f2. White rook at a1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.