rn2kb1r/1p1b1ppp/3p3n/p1p1p1q1/4PPPN/8/RPPP2BP/1NBQKR2 b kq - 1 10
FEN state: rn2kb1r/1p1b1ppp/3p3n/p1p1p1q1/4PPPN/8/RPPP2BP/1NBQKR2 b kq - 1 10 ; Best move: g5h4
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 rook at h8. Black pawn at b7, black bishop at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black knight at h6. Black pawn at a5, black pawn at c5, black pawn at e5 and black queen at g5. White pawn at e4, white pawn at f4, white pawn at g4 and white knight at h4. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2, white bishop at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at f1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 10. Black to move.