rn2kbn1/1p1qpp1r/2p1b2p/pP1p2p1/3P1P1P/N7/P1P1PBP1/1R1QKBNR b Kq - 0 10
FEN state: rn2kbn1/1p1qpp1r/2p1b2p/pP1p2p1/3P1P1P/N7/P1P1PBP1/1R1QKBNR b Kq - 0 10 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black queen at d7, black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at c6, black bishop at e6 and black pawn at h6. Black pawn at a5, white pawn at b5, black pawn at d5 and black pawn at g5. White pawn at d4, white pawn at f4 and white pawn at h4. White knight at a3. White pawn at a2, white pawn at c2, white pawn at e2, white bishop at f2 and white pawn at g2. White rook at b1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.