rn2r2k/1p3p1p/B1p1b3/3pq1p1/Q7/P1PPn1PN/2NK3P/1RB3R1 w - - 0 21
FEN state: rn2r2k/1p3p1p/B1p1b3/3pq1p1/Q7/P1PPn1PN/2NK3P/1RB3R1 w - - 0 21 ; Best move: a4d4
The current state of the chess board is: Black rook at a8, black knight at b8, black rook at e8 and black king at h8. Black pawn at b7, black pawn at f7 and black pawn at h7. White bishop at a6, black pawn at c6 and black bishop at e6. Black pawn at d5, black queen at e5 and black pawn at g5. White queen at a4. White pawn at a3, white pawn at c3, white pawn at d3, black knight at e3, white pawn at g3 and white knight at h3. White knight at c2, white king at d2 and white pawn at h2. White rook at b1, white bishop at c1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.