1nb1kb2/3p1pp1/3Pr3/p1p1rn1p/RP1QpP1P/8/2P1PKBR/1NB3N1 w - - 0 20
FEN state: 1nb1kb2/3p1pp1/3Pr3/p1p1rn1p/RP1QpP1P/8/2P1PKBR/1NB3N1 w - - 0 20 ; Best move: d4e5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at d7, black pawn at f7 and black pawn at g7. White pawn at d6 and black rook at e6. Black pawn at a5, black pawn at c5, black rook at e5, black knight at f5 and black pawn at h5. White rook at a4, white pawn at b4, white queen at d4, black pawn at e4, white pawn at f4 and white pawn at h4. White pawn at c2, white pawn at e2, white king at f2, white bishop at g2 and white rook at h2. White knight at b1, white bishop at c1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.