1r2kbnr/1p3ppp/5q2/p1Pp1b2/P3P1P1/8/2PP1P1P/RNnK1BNR w k - 1 15
FEN state: 1r2kbnr/1p3ppp/5q2/p1Pp1b2/P3P1P1/8/2PP1P1P/RNnK1BNR w k - 1 15 ; Best move: f1b5
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at f7, black pawn at g7 and black pawn at h7. Black queen at f6. Black pawn at a5, white pawn at c5, black pawn at d5 and black bishop at f5. White pawn at a4, white pawn at e4 and white pawn at g4. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, black knight at c1, white king at d1, white bishop 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.