rn2kb1r/1p2p3/1q5p/pbQp1ppn/P1P2PP1/4P2P/1P1P4/RNB1KBNR b KQkq - 0 13
FEN state: rn2kb1r/1p2p3/1q5p/pbQp1ppn/P1P2PP1/4P2P/1P1P4/RNB1KBNR b KQkq - 0 13 ; Best move: b6c5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7 and black pawn at e7. Black queen at b6 and black pawn at h6. Black pawn at a5, black bishop at b5, white queen at c5, black pawn at d5, black pawn at f5, black pawn at g5 and black knight at h5. White pawn at a4, white pawn at c4, white pawn at f4 and white pawn at g4. White pawn at e3 and white pawn at h3. White pawn at b2 and white pawn at d2. White rook at a1, white knight at b1, 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.