1rbqkbn1/p1ppp3/2n4r/p4pp1/N1P1P2P/7P/PP1PQP1N/R1B2K1R b - - 4 15
FEN state: 1rbqkbn1/p1ppp3/2n4r/p4pp1/N1P1P2P/7P/PP1PQP1N/R1B2K1R b - - 4 15 ; Best move: c6d4
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 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at e7. Black knight at c6 and black rook at h6. Black pawn at a5, black pawn at f5 and black pawn at g5. White knight at a4, white pawn at c4, white pawn at e4 and white pawn at h4. White pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white queen at e2, white pawn at f2 and white knight at h2. White rook at a1, white bishop at c1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 15. Black to move.