r2q1bnr/pbp1k1pN/1p1pp3/2QPnp2/PPP3Pp/7B/4PP1P/RN2K2R b KQ - 6 18
FEN state: r2q1bnr/pbp1k1pN/1p1pp3/2QPnp2/PPP3Pp/7B/4PP1P/RN2K2R b KQ - 6 18 ; Best move: d6c5
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black king at e7, black pawn at g7 and white knight at h7. Black pawn at b6, black pawn at d6 and black pawn at e6. White queen at c5, white pawn at d5, black knight at e5 and black pawn at f5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at g4 and black pawn at h4. White bishop at h3. White pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 6. Full move number is 18. Black to move.