rn3b1r/p1pq1k2/bp3Ppp/3ppPB1/8/NQPP4/PP2BK1P/1R4NR w - - 2 20
FEN state: rn3b1r/p1pq1k2/bp3Ppp/3ppPB1/8/NQPP4/PP2BK1P/1R4NR w - - 2 20 ; Best move: f5g6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black queen at d7 and black king at f7. Black bishop at a6, black pawn at b6, white pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at d5, black pawn at e5, white pawn at f5 and white bishop at g5. White knight at a3, white queen at b3, white pawn at c3 and white pawn at d3. White pawn at a2, white pawn at b2, white bishop at e2, white king at f2 and white pawn at h2. White rook at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.