r1q1k1n1/pppn1p1r/3b4/4p1pp/PP1P1N2/R4N1b/2PQPPPP/2B1KB1R b Kq - 0 12
FEN state: r1q1k1n1/pppn1p1r/3b4/4p1pp/PP1P1N2/R4N1b/2PQPPPP/2B1KB1R b Kq - 0 12 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at d7, black pawn at f7 and black rook at h7. Black bishop at d6. Black pawn at e5, black pawn at g5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at d4 and white knight at f4. White rook at a3, white knight at f3 and black bishop at h3. White pawn at c2, white queen at d2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.