1r1q1bnr/1p2p2p/2k2p2/p1pp2p1/PnN2BP1/4P2N/1Pb2P1P/R1KQ1B1R b - - 0 15
FEN state: 1r1q1bnr/1p2p2p/2k2p2/p1pp2p1/PnN2BP1/4P2N/1Pb2P1P/R1KQ1B1R b - - 0 15 ; Best move: c2d1
The current state of the chess board is: Black rook at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7 and black pawn at h7. Black king at c6 and black pawn at f6. Black pawn at a5, black pawn at c5, black pawn at d5 and black pawn at g5. White pawn at a4, black knight at b4, white knight at c4, white bishop at f4 and white pawn at g4. White pawn at e3 and white knight at h3. White pawn at b2, black bishop at c2, white pawn at f2 and white pawn at h2. White rook at a1, white king at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.