1rbqkb2/1pp1p1r1/p4nP1/3p1p1p/1P1n1PPR/N3P2N/P1PP4/R1BQKB2 b Q - 0 12
FEN state: 1rbqkb2/1pp1p1r1/p4nP1/3p1p1p/1P1n1PPR/N3P2N/P1PP4/R1BQKB2 b Q - 0 12 ; Best move: f5g4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at c7, black pawn at e7 and black rook at g7. Black pawn at a6, black knight at f6 and white pawn at g6. Black pawn at d5, black pawn at f5 and black pawn at h5. White pawn at b4, black knight at d4, white pawn at f4, white pawn at g4 and white rook at h4. White knight at a3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at c2 and white pawn at d2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.