1q2kb1r/3bpn1p/r2p1np1/p4p2/P1pPNPP1/B1P1K3/Q3P2P/RN3B1R b k - 6 25
FEN state: 1q2kb1r/3bpn1p/r2p1np1/p4p2/P1pPNPP1/B1P1K3/Q3P2P/RN3B1R b k - 6 25 ; Best move: f5e4
The current state of the chess board is: Black queen at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at d7, black pawn at e7, black knight at f7 and black pawn at h7. Black rook at a6, black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at a5 and black pawn at f5. White pawn at a4, black pawn at c4, white pawn at d4, white knight at e4, white pawn at f4 and white pawn at g4. White bishop at a3, white pawn at c3 and white king at e3. White queen at a2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 6. Full move number is 25. Black to move.