rn3bnr/4p3/ppk1b1pP/3qp3/PpPP4/5P2/6BP/R1BQK1NR w KQ - 0 20
FEN state: rn3bnr/4p3/ppk1b1pP/3qp3/PpPP4/5P2/6BP/R1BQK1NR w KQ - 0 20 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at e7. Black pawn at a6, black pawn at b6, black king at c6, black bishop at e6, black pawn at g6 and white pawn at h6. Black queen at d5 and black pawn at e5. White pawn at a4, black pawn at b4, white pawn at c4 and white pawn at d4. White pawn at f3. White bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 20. White to move.