The most important feature of the Chess position is the activity of the pieces.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown284"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "3q3r/3r1pkp/p2p2p1/1p1Q2P1/2P2P2/b7/P3R2P/4R1K1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Qd4+ f6 2. Re7+ Rxe7 3. Qxf6+ Kg8 4. Rxe7 Qf8 5. Qe6+ Qf7 6. Qxf7# 1-0