rn1q1bnr/2p3pp/1pPp1p1k/p4b2/1Q2P2P/N2B1p1N/PP1P2P1/1RB1K2R b K - 3 16
FEN state: rn1q1bnr/2p3pp/1pPp1p1k/p4b2/1Q2P2P/N2B1p1N/PP1P2P1/1RB1K2R b K - 3 16 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at b6, white pawn at c6, black pawn at d6, black pawn at f6 and black king at h6. Black pawn at a5 and black bishop at f5. White queen at b4, white pawn at e4 and white pawn at h4. White knight at a3, white bishop at d3, black pawn at f3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at g2. White rook at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 16. Black to move.