r2qkb1r/p2npb2/3p3p/2p2pP1/1pBP4/1P2PQ1N/P1PB1PP1/RN2K2R w KQkq - 4 15
FEN state: r2qkb1r/p2npb2/3p3p/2p2pP1/1pBP4/1P2PQ1N/P1PB1PP1/RN2K2R w KQkq - 4 15 ; Best move: c4f7
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black knight at d7, black pawn at e7 and black bishop at f7. Black pawn at d6 and black pawn at h6. Black pawn at c5, black pawn at f5 and white pawn at g5. Black pawn at b4, white bishop at c4 and white pawn at d4. White pawn at b3, white pawn at e3, white queen at f3 and white knight at h3. White pawn at a2, white pawn at c2, white bishop at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 4. Full move number is 15. White to move.