r1b1kB1r/1p1p2p1/p7/1q1npp1p/2P1PQ1P/p2P1N2/4KPP1/RN3BR1 w - - 0 21
FEN state: r1b1kB1r/1p1p2p1/p7/1q1npp1p/2P1PQ1P/p2P1N2/4KPP1/RN3BR1 w - - 0 21 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, white bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7 and black pawn at g7. Black pawn at a6. Black queen at b5, black knight at d5, black pawn at e5, black pawn at f5 and black pawn at h5. White pawn at c4, white pawn at e4, white queen at f4 and white pawn at h4. Black pawn at a3, white pawn at d3 and white knight at f3. White king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.