2rqkb1r/4n2p/2pp2p1/1pPbp1P1/Pp2P3/2n2P1P/1R5R/B1Q1KBN1 b k - 1 23
FEN state: 2rqkb1r/4n2p/2pp2p1/1pPbp1P1/Pp2P3/2n2P1P/1R5R/B1Q1KBN1 b k - 1 23 ; Best move: c3a4
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at e7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black pawn at g6. Black pawn at b5, white pawn at c5, black bishop at d5, black pawn at e5 and white pawn at g5. White pawn at a4, black pawn at b4 and white pawn at e4. Black knight at c3, white pawn at f3 and white pawn at h3. White rook at b2 and white rook at h2. White bishop at a1, white queen at c1, white king at e1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 1. Full move number is 23. Black to move.