r1bq3r/pp5p/2ppkp1B/1Nb1p1P1/PnP1PP1P/R2P4/1P1K4/2QB2NR b - - 4 17
FEN state: r1bq3r/pp5p/2ppkp1B/1Nb1p1P1/PnP1PP1P/R2P4/1P1K4/2QB2NR b - - 4 17 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at h7. Black pawn at c6, black pawn at d6, black king at e6, black pawn at f6 and white bishop at h6. White knight at b5, black bishop at c5, black pawn at e5 and white pawn at g5. White pawn at a4, black knight at b4, white pawn at c4, white pawn at e4, white pawn at f4 and white pawn at h4. White rook at a3 and white pawn at d3. White pawn at b2 and white king at d2. White queen at c1, white bishop at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 17. Black to move.