r2kqb1r/pbp2p2/3pp2p/Pp3n2/1P1P2pP/R2P1PPR/3BP3/1NQK1BN1 w - - 0 20
FEN state: r2kqb1r/pbp2p2/3pp2p/Pp3n2/1P1P2pP/R2P1PPR/3BP3/1NQK1BN1 w - - 0 20 ; Best move: f3g4
The current state of the chess board is: Black rook at a8, black king at d8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7 and black pawn at f7. Black pawn at d6, black pawn at e6 and black pawn at h6. White pawn at a5, black pawn at b5 and black knight at f5. White pawn at b4, white pawn at d4, black pawn at g4 and white pawn at h4. White rook at a3, white pawn at d3, white pawn at f3, white pawn at g3 and white rook at h3. White bishop at d2 and white pawn at e2. White knight at b1, white queen at c1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.