r1b4r/p3k3/np1p2pp/2p5/P4B2/N1RP1PP1/BPPQP2P/4K2R w K - 0 22
FEN state: r1b4r/p3k3/np1p2pp/2p5/P4B2/N1RP1PP1/BPPQP2P/4K2R w K - 0 22 ; Best move: f4d6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at a7 and black king at e7. Black knight at a6, black pawn at b6, black pawn at d6, black pawn at g6 and black pawn at h6. Black pawn at c5. White pawn at a4 and white bishop at f4. White knight at a3, white rook at c3, white pawn at d3, white pawn at f3 and white pawn at g3. White bishop at a2, white pawn at b2, white pawn at c2, white queen at d2, white pawn at e2 and white pawn at h2. White king at e1 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.