rnb3n1/2pk1pr1/3q3p/3pp1p1/ppP2PPP/NP1Pb3/P3Q1BN/1RB1K2R w K - 1 22
FEN state: rnb3n1/2pk1pr1/3q3p/3pp1p1/ppP2PPP/NP1Pb3/P3Q1BN/1RB1K2R w K - 1 22 ; Best move: a3b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black knight at g8. Black pawn at c7, black king at d7, black pawn at f7 and black rook at g7. Black queen at d6 and black pawn at h6. Black pawn at d5, black pawn at e5 and black pawn at g5. Black pawn at a4, black pawn at b4, white pawn at c4, white pawn at f4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at d3 and black bishop at e3. White pawn at a2, white queen at e2, white bishop at g2 and white knight at h2. White rook at b1, white bishop at c1, white king at e1 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.