r1bk3r/1pn4p/5n1b/P3p3/2PpP3/N6P/P1P2PB1/2R1K1NR w K - 1 22
FEN state: r1bk3r/1pn4p/5n1b/P3p3/2PpP3/N6P/P1P2PB1/2R1K1NR w K - 1 22 ; Best move: c1b1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at b7, black knight at c7 and black pawn at h7. Black knight at f6 and black bishop at h6. White pawn at a5 and black pawn at e5. White pawn at c4, black pawn at d4 and white pawn at e4. White knight at a3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at f2 and white bishop at g2. White rook 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.