rn2kb1r/p2p2pp/b1p4n/1p3P2/3p2P1/N1PP4/qPQ1P1BP/R1B1K2R b KQkq - 0 13
FEN state: rn2kb1r/p2p2pp/b1p4n/1p3P2/3p2P1/N1PP4/qPQ1P1BP/R1B1K2R b KQkq - 0 13 ; Best move: a2a1
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 a7, black pawn at d7, black pawn at g7 and black pawn at h7. Black bishop at a6, black pawn at c6 and black knight at h6. Black pawn at b5 and white pawn at f5. Black pawn at d4 and white pawn at g4. White knight at a3, white pawn at c3 and white pawn at d3. Black queen at a2, white pawn at b2, white queen at c2, white pawn at e2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 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.