rn5r/1ppq1p1p/p2pkbpn/2B1pb2/2P4P/1PQPP3/P2K1PP1/RN3BNR b - - 4 15
FEN state: rn5r/1ppq1p1p/p2pkbpn/2B1pb2/2P4P/1PQPP3/P2K1PP1/RN3BNR b - - 4 15 ; Best move: d6c5
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at b7, black pawn at c7, black queen at d7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at d6, black king at e6, black bishop at f6, black pawn at g6 and black knight at h6. White bishop at c5, black pawn at e5 and black bishop at f5. White pawn at c4 and white pawn at h4. White pawn at b3, white queen at c3, white pawn at d3 and white pawn at e3. White pawn at a2, white king at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 15. Black to move.