r1b3nr/ppp1p2p/2nqk1p1/P4pb1/1P2p1Q1/2PPP2P/R4PP1/2B1KBNR b K - 0 12
FEN state: r1b3nr/ppp1p2p/2nqk1p1/P4pb1/1P2p1Q1/2PPP2P/R4PP1/2B1KBNR b K - 0 12 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at h7. Black knight at c6, black queen at d6, black king at e6 and black pawn at g6. White pawn at a5, black pawn at f5 and black bishop at g5. White pawn at b4, black pawn at e4 and white queen at g4. White pawn at c3, white pawn at d3, white pawn at e3 and white pawn at h3. White rook at a2, white pawn at f2 and white pawn at g2. White bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.