r1bq3r/np3pk1/3p4/p4n2/2pPp1KP/PP3P2/2PNP1P1/R2Q1BR1 w - - 0 23
FEN state: r1bq3r/np3pk1/3p4/p4n2/2pPp1KP/PP3P2/2PNP1P1/R2Q1BR1 w - - 0 23 ; Best move: g4f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black knight at a7, black pawn at b7, black pawn at f7 and black king at g7. Black pawn at d6. Black pawn at a5 and black knight at f5. Black pawn at c4, white pawn at d4, black pawn at e4, white king at g4 and white pawn at h4. White pawn at a3, white pawn at b3 and white pawn at f3. White pawn at c2, white knight at d2, white pawn at e2 and white pawn at g2. White rook at a1, white queen at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.