2b1kb1r/rp2n3/1qnppp2/p1P3p1/PP2PPp1/7P/2P3B1/RNBQ1KNR w k - 1 15
FEN state: 2b1kb1r/rp2n3/1qnppp2/p1P3p1/PP2PPp1/7P/2P3B1/RNBQ1KNR w k - 1 15 ; Best move: c5b6
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at b7 and black knight at e7. Black queen at b6, black knight at c6, black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at a5, white pawn at c5 and black pawn at g5. White pawn at a4, white pawn at b4, white pawn at e4, white pawn at f4 and black pawn at g4. White pawn at h3. White pawn at c2 and white bishop at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 15. White to move.