1rb3n1/1p2bk1r/n3pppP/p1pp4/P3Pq1P/BP5B/2PPNP2/2RQK3 w - - 6 21
FEN state: 1rb3n1/1p2bk1r/n3pppP/p1pp4/P3Pq1P/BP5B/2PPNP2/2RQK3 w - - 6 21 ; Best move: e2f4
The current state of the chess board is: Black rook at b8, black bishop at c8 and black knight at g8. Black pawn at b7, black bishop at e7, black king at f7 and black rook at h7. Black knight at a6, black pawn at e6, black pawn at f6, black pawn at g6 and white pawn at h6. Black pawn at a5, black pawn at c5 and black pawn at d5. White pawn at a4, white pawn at e4, black queen at f4 and white pawn at h4. White bishop at a3, white pawn at b3 and white bishop at h3. White pawn at c2, white pawn at d2, white knight at e2 and white pawn at f2. White rook at c1, white queen at d1 and white king at e1. Both players have exhausted their castles. Half move number is 6. Full move number is 21. White to move.