1rb2b2/1pB1k1p1/5n1r/p1p2p1p/q1PP1PP1/R6P/4P1B1/n3K1NR b K - 0 23
FEN state: 1rb2b2/1pB1k1p1/5n1r/p1p2p1p/q1PP1PP1/R6P/4P1B1/n3K1NR b K - 0 23 ; Best move: a1c2
The current state of the chess board is: Black rook at b8, black bishop at c8 and black bishop at f8. Black pawn at b7, white bishop at c7, black king at e7 and black pawn at g7. Black knight at f6 and black rook at h6. Black pawn at a5, black pawn at c5, black pawn at f5 and black pawn at h5. Black queen at a4, white pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White rook at a3 and white pawn at h3. White pawn at e2 and white bishop at g2. Black knight at a1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.