r2qk2r/p1p1p1bp/1p1pbp1n/1P4p1/PnN2P1P/N1P5/3PP1P1/R1BQKB1R b KQkq - 0 10
FEN state: r2qk2r/p1p1p1bp/1p1pbp1n/1P4p1/PnN2P1P/N1P5/3PP1P1/R1BQKB1R b KQkq - 0 10 ; Best move: d6d5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at b6, black pawn at d6, black bishop at e6, black pawn at f6 and black knight at h6. White pawn at b5 and black pawn at g5. White pawn at a4, black knight at b4, white knight at c4, white pawn at f4 and white pawn at h4. White knight at a3 and white pawn at c3. White pawn at d2, white pawn at e2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.