1n3b1r/4qkpp/1P2bp2/r2pp1P1/pP6/2P1Q2N/P3PP1P/3RKB1R b K - 0 20
FEN state: 1n3b1r/4qkpp/1P2bp2/r2pp1P1/pP6/2P1Q2N/P3PP1P/3RKB1R b K - 0 20 ; Best move: a5b5
The current state of the chess board is: Black knight at b8, black bishop at f8 and black rook at h8. Black queen at e7, black king at f7, black pawn at g7 and black pawn at h7. White pawn at b6, black bishop at e6 and black pawn at f6. Black rook at a5, black pawn at d5, black pawn at e5 and white pawn at g5. Black pawn at a4 and white pawn at b4. White pawn at c3, white queen at e3 and white knight at h3. White pawn at a2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook 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 0. Full move number is 20. Black to move.