1rb1kb1r/p1qp1pp1/p1p2P1p/4p2n/1P1NP2P/8/P1PP2PR/RNBQK3 b Qk - 4 10
FEN state: 1rb1kb1r/p1qp1pp1/p1p2P1p/4p2n/1P1NP2P/8/P1PP2PR/RNBQK3 b Qk - 4 10 ; Best move: e5d4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at c6, white pawn at f6 and black pawn at h6. Black pawn at e5 and black knight at h5. White pawn at b4, white knight at d4, white pawn at e4 and white pawn at h4. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white king at e1. White queenside and black kingside castles are available. Half move number is 4. Full move number is 10. Black to move.