r1b1nk1r/p1p3pp/1Q6/1p1p1p2/1RP1N1nq/6P1/4PP2/2B1KBNR w K - 2 22
FEN state: r1b1nk1r/p1p3pp/1Q6/1p1p1p2/1RP1N1nq/6P1/4PP2/2B1KBNR w K - 2 22 ; Best move: b6c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at e8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at g7 and black pawn at h7. White queen at b6. Black pawn at b5, black pawn at d5 and black pawn at f5. White rook at b4, white pawn at c4, white knight at e4, black knight at g4 and black queen at h4. White pawn at g3. White pawn at e2 and white pawn at f2. White bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 22. White to move.