r1b1k1rb/1pp5/p2p1pp1/5n1p/3Pq1P1/P4P1P/RPP3K1/1NB2B1R w - - 0 21
FEN state: r1b1k1rb/1pp5/p2p1pp1/5n1p/3Pq1P1/P4P1P/RPP3K1/1NB2B1R w - - 0 21 ; Best move: f3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black rook at g8 and black bishop at h8. Black pawn at b7 and black pawn at c7. Black pawn at a6, black pawn at d6, black pawn at f6 and black pawn at g6. Black knight at f5 and black pawn at h5. White pawn at d4, black queen at e4 and white pawn at g4. White pawn at a3, white pawn at f3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2 and white king at g2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.