1rbqkbnr/p5p1/np6/2ppp1Bp/1P2p3/2NP1N2/P1P2PPP/R2QKB1R b KQk - 0 10
FEN state: 1rbqkbnr/p5p1/np6/2ppp1Bp/1P2p3/2NP1N2/P1P2PPP/R2QKB1R b KQk - 0 10 ; Best move: f8e7
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at g7. Black knight at a6 and black pawn at b6. Black pawn at c5, black pawn at d5, black pawn at e5, white bishop at g5 and black pawn at h5. White pawn at b4 and black pawn at e4. White knight at c3, white pawn at d3 and white knight at f3. White pawn at a2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 0. Full move number is 10. Black to move.