r2q1bnr/2p3p1/b1nkp3/pp1P1p1p/1PPN4/N2B3P/PB1P1PP1/R2K1QR1 w - - 6 20
FEN state: r2q1bnr/2p3p1/b1nkp3/pp1P1p1p/1PPN4/N2B3P/PB1P1PP1/R2K1QR1 w - - 6 20 ; Best move: d5c6
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black pawn at g7. Black bishop at a6, black knight at c6, black king at d6 and black pawn at e6. Black pawn at a5, black pawn at b5, white pawn at d5, black pawn at f5 and black pawn at h5. White pawn at b4, white pawn at c4 and white knight at d4. White knight at a3, white bishop at d3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white king at d1, white queen at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 6. Full move number is 20. White to move.