1nb2b1r/1r2p1pp/2kp3n/qpp2pP1/P1P1P3/1p3PBN/3PRQ1P/1N2KB1R b K - 2 17
FEN state: 1nb2b1r/1r2p1pp/2kp3n/qpp2pP1/P1P1P3/1p3PBN/3PRQ1P/1N2KB1R b K - 2 17 ; Best move: b5a4
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black rook at b7, black pawn at e7, black pawn at g7 and black pawn at h7. Black king at c6, black pawn at d6 and black knight at h6. Black queen at a5, black pawn at b5, black pawn at c5, black pawn at f5 and white pawn at g5. White pawn at a4, white pawn at c4 and white pawn at e4. Black pawn at b3, white pawn at f3, white bishop at g3 and white knight at h3. White pawn at d2, white rook at e2, white queen at f2 and white pawn at h2. White knight at b1, 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 2. Full move number is 17. Black to move.