rnb1k2r/1ppp1pp1/5q2/p1b1p2p/1P4n1/3P2PP/PBP1PP2/2RQKBNR b Kkq - 3 10
FEN state: rnb1k2r/1ppp1pp1/5q2/p1b1p2p/1P4n1/3P2PP/PBP1PP2/2RQKBNR b Kkq - 3 10 ; Best move: c5f2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black queen at f6. Black pawn at a5, black bishop at c5, black pawn at e5 and black pawn at h5. White pawn at b4 and black knight at g4. White pawn at d3, white pawn at g3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 3. Full move number is 10. Black to move.