The most important feature of the Chess position is the activity of the pieces.
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[Event "rated untimed match"]
[Site "?"]
[Date "1952.??.??"]
[Round "?"]
[White "Ravinsky"]
[Black "Ilivitsky"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "r2b1rk1/2q2p1p/p3b2Q/1pn3B1/4Pp2/P1NB4/1PP3PP/R6K w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Bf6 Bxf6 { An excellent multipurpose move. Simultaniously, attacking f6 and
threatening mate on h7. } 2. e5 Nxd3 3. exf6 { Black s } 3... Nf2+ { Black can still
play for traps. } 4. Kg1 Nh3+ 5. Kf1 ( { White dare not try: } 5. gxh3 Qc5+ 6. Kh1 Qc6+ 7. Kg1 Qc5+ 8. Kh1 { White must endure repetition of position for
only a draw. } ( { White dare not try: } 8. Kg2 Bxh3+ 9. Kxh3 Qf5+ 10. Kg2 Qg6+ 11. Qxg6+ fxg6 { Black wins with a large material advantage. } ) ) 5... Qc4+ 6. Ne2 Qxe2+ 7. Kxe2 Bc4+ 8. Kd2 Rfd8+ 9. Kc3 b4+ 10. axb4 Rd3+ 11. cxd3 Bxd3 12. Qg7# 1-0