1r2qk2/p3pp1r/n2p1np1/1pp4p/P1b1PP2/NP4PP/R2B4/3QKBNR w K - 0 22
FEN state: 1r2qk2/p3pp1r/n2p1np1/1pp4p/P1b1PP2/NP4PP/R2B4/3QKBNR w K - 0 22 ; Best move: b3c4
The current state of the chess board is: Black rook at b8, black queen at e8 and black king at f8. Black pawn at a7, black pawn at e7, black pawn at f7 and black rook at h7. Black knight at a6, black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at b5, black pawn at c5 and black pawn at h5. White pawn at a4, black bishop at c4, white pawn at e4 and white pawn at f4. White knight at a3, white pawn at b3, white pawn at g3 and white pawn at h3. White rook at a2 and white bishop at d2. White queen at d1, 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 0. Full move number is 22. White to move.