rnbq4/pppkbppr/4pn2/8/1P1pP1Q1/N2P3P/P1P1NPP1/R1BK1B1R w - - 6 10
FEN state: rnbq4/pppkbppr/4pn2/8/1P1pP1Q1/N2P3P/P1P1NPP1/R1BK1B1R w - - 6 10 ; Best move: g4f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black queen at d8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at e6 and black knight at f6. White pawn at b4, black pawn at d4, white pawn at e4 and white queen at g4. White knight at a3, white pawn at d3 and white pawn at h3. White pawn at a2, white pawn at c2, white knight at e2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 10. White to move.