rb2k2r/pb1p2pp/4pp2/3PNP2/1pQ1P3/q7/2PK1P1P/RNB1R3 b kq - 3 23
FEN state: rb2k2r/pb1p2pp/4pp2/3PNP2/1pQ1P3/q7/2PK1P1P/RNB1R3 b kq - 3 23 ; Best move: a3a1
The current state of the chess board is: Black rook at a8, black bishop at b8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at e6 and black pawn at f6. White pawn at d5, white knight at e5 and white pawn at f5. Black pawn at b4, white queen at c4 and white pawn at e4. Black queen at a3. White pawn at c2, white king at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at e1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 23. Black to move.