1rbqkbnr/p1npp1p1/1p5p/2p2p2/2PP1P1P/1PN2K2/P3P1PR/R1BQ1BN1 b - - 2 10
FEN state: 1rbqkbnr/p1npp1p1/1p5p/2p2p2/2PP1P1P/1PN2K2/P3P1PR/R1BQ1BN1 b - - 2 10 ; Best move: c5d4
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, black knight at c7, black pawn at d7, black pawn at e7 and black pawn at g7. Black pawn at b6 and black pawn at h6. Black pawn at c5 and black pawn at f5. White pawn at c4, white pawn at d4, white pawn at f4 and white pawn at h4. White pawn at b3, white knight at c3 and white king at f3. White pawn at a2, white pawn at e2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 10. Black to move.