r1b3nr/1p1k2pp/2n1p3/p1pp4/3PPBpN/1PP3bq/P1Q5/RN1K3B w - - 4 20
FEN state: r1b3nr/1p1k2pp/2n1p3/p1pp4/3PPBpN/1PP3bq/P1Q5/RN1K3B w - - 4 20 ; Best move: f4g3
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at b7, black king at d7, black pawn at g7 and black pawn at h7. Black knight at c6 and black pawn at e6. Black pawn at a5, black pawn at c5 and black pawn at d5. White pawn at d4, white pawn at e4, white bishop at f4, black pawn at g4 and white knight at h4. White pawn at b3, white pawn at c3, black bishop at g3 and black queen at h3. White pawn at a2 and white queen at c2. White rook at a1, white knight at b1, white king at d1 and white bishop at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 20. White to move.