1rb1k1n1/1p1p2q1/p2b3r/n1p1ppp1/2P1PNPp/3P1Q2/PP3PBP/R1BNK1R1 w Q - 0 20
FEN state: 1rb1k1n1/1p1p2q1/p2b3r/n1p1ppp1/2P1PNPp/3P1Q2/PP3PBP/R1BNK1R1 w Q - 0 20 ; Best move: f4h5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at d7 and black queen at g7. Black pawn at a6, black bishop at d6 and black rook at h6. Black knight at a5, black pawn at c5, black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at c4, white pawn at e4, white knight at f4, white pawn at g4 and black pawn at h4. White pawn at d3 and white queen at f3. White pawn at a2, white pawn at b2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 20. White to move.