r1bqkbnr/2pp2p1/4p3/p3Bp1p/R1Pn2P1/1P1P4/4PP1P/1N1QKBNR b Kkq - 0 10
FEN state: r1bqkbnr/2pp2p1/4p3/p3Bp1p/R1Pn2P1/1P1P4/4PP1P/1N1QKBNR b Kkq - 0 10 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, 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 c7, black pawn at d7 and black pawn at g7. Black pawn at e6. Black pawn at a5, white bishop at e5, black pawn at f5 and black pawn at h5. White rook at a4, white pawn at c4, black knight at d4 and white pawn at g4. White pawn at b3 and white pawn at d3. White pawn at e2, white pawn at f2 and white pawn at h2. White knight 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, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.