rqb2b1r/p2pkp2/1p5p/n5p1/RPPp1Nn1/2B3P1/5P1P/3NKB1R b K - 1 23
FEN state: rqb2b1r/p2pkp2/1p5p/n5p1/RPPp1Nn1/2B3P1/5P1P/3NKB1R b K - 1 23 ; Best move: b8e5
The current state of the chess board is: Black rook at a8, black queen at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at e7 and black pawn at f7. Black pawn at b6 and black pawn at h6. Black knight at a5 and black pawn at g5. White rook at a4, white pawn at b4, white pawn at c4, black pawn at d4, white knight at f4 and black knight at g4. White bishop at c3 and white pawn at g3. White pawn at f2 and white pawn at h2. White knight at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 23. Black to move.