r2q1k1r/p2n3p/2pPb3/1N2p1P1/8/4P3/PP1P3P/RBBQK1NR b KQ - 4 15
FEN state: r2q1k1r/p2n3p/2pPb3/1N2p1P1/8/4P3/PP1P3P/RBBQK1NR b KQ - 4 15 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8 and black rook at h8. Black pawn at a7, black knight at d7 and black pawn at h7. Black pawn at c6, white pawn at d6 and black bishop at e6. White knight at b5, black pawn at e5 and white pawn at g5. White pawn at e3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at b1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 15. Black to move.