rn4nr/1pp2kpp/2q2p2/p2p1P2/3Pp1PP/N1P1P3/PQ6/1RB1K1NR w K - 1 22
FEN state: rn4nr/1pp2kpp/2q2p2/p2p1P2/3Pp1PP/N1P1P3/PQ6/1RB1K1NR w K - 1 22 ; Best move: b2b7
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black king at f7, black pawn at g7 and black pawn at h7. Black queen at c6 and black pawn at f6. Black pawn at a5, black pawn at d5 and white pawn at f5. White pawn at d4, black pawn at e4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at c3 and white pawn at e3. White pawn at a2 and white queen at b2. White rook at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 22. White to move.