r1b1qb1r/1p2kppp/2n1p2n/p1p5/P2NP1PP/1p6/1RNPQPB1/2B1K2R b K - 1 15
FEN state: r1b1qb1r/1p2kppp/2n1p2n/p1p5/P2NP1PP/1p6/1RNPQPB1/2B1K2R b K - 1 15 ; Best move: c6d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at e6 and black knight at h6. Black pawn at a5 and black pawn at c5. White pawn at a4, white knight at d4, white pawn at e4, white pawn at g4 and white pawn at h4. Black pawn at b3. White rook at b2, white knight at c2, white pawn at d2, white queen at e2, white pawn at f2 and white bishop at g2. White bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 15. Black to move.