The most important feature of the Chess position is the activity of the pieces.
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[Event "rated untimed match"]
[Site "?"]
[Date "1965.??.??"]
[Round "?"]
[White "Josselin"]
[Black "Kumur"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "r4r2/p2bn1k1/2npp1pp/1pp3N1/4PP2/3PN1P1/PPPK2BR/R7 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rxh6 Kxh6 2. Rh1+ Kg7 3. Rh7+ Kg8 ( { Black can try: } 3... Kf6 4. Ng4# ) 4. Ng4 Rxf4 5. gxf4 Kf8 6. Nf6 Nd8 7. Nxd7+ Ke8 ( { Black can try: } 7... Kg8 8. Nf6+ Kf8 9. Rf7+ Nxf7 10. Nxe6# ) 8. Nf6+ Kf8 9. Rf7+ Nxf7 10. Nxe6# 1-0