rnb2bkr/2pqp3/6p1/pp3pn1/3P1NpN/PPPK1P2/4P2P/R1BQ1B1R w - - 0 20
FEN state: rnb2bkr/2pqp3/6p1/pp3pn1/3P1NpN/PPPK1P2/4P2P/R1BQ1B1R w - - 0 20 ; Best move: f4g6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8, black king at g8 and black rook at h8. Black pawn at c7, black queen at d7 and black pawn at e7. Black pawn at g6. Black pawn at a5, black pawn at b5, black pawn at f5 and black knight at g5. White pawn at d4, white knight at f4, black pawn at g4 and white knight at h4. White pawn at a3, white pawn at b3, white pawn at c3, white king at d3 and white pawn at f3. White pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.