2bqk2r/3p1pp1/1r2pn1P/4n2P/pbp5/NP2P2B/P2PKP2/R1BN1QR1 b k - 0 23
FEN state: 2bqk2r/3p1pp1/1r2pn1P/4n2P/pbp5/NP2P2B/P2PKP2/R1BN1QR1 b k - 0 23 ; Best move: c4b3
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at d7, black pawn at f7 and black pawn at g7. Black rook at b6, black pawn at e6, black knight at f6 and white pawn at h6. Black knight at e5 and white pawn at h5. Black pawn at a4, black bishop at b4 and black pawn at c4. White knight at a3, white pawn at b3, white pawn at e3 and white bishop at h3. White pawn at a2, white pawn at d2, white king at e2 and white pawn at f2. White rook at a1, white bishop at c1, white knight at d1, white queen at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.