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 "Unknown312"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "5rk1/2rPR1pp/p7/2Pn4/1P6/7R/5PPP/6K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rf3 Nf6 2. Rxf6 gxf6 3. f4 ( { White can try: } 3. f3 a5 4. d8=Q ( 4. bxa5 Rxc5 5. a6 Re5 6. Rxe5 fxe5 7. Kf2 Kf7 8. Ke3 Ke6 9. Ke4 Rf4+ 10. Ke3 Kxd7 11. a7 Ra4 12. a8=Q Rxa8 13. Ke4 Ke6 { Black wins with a large material
advantage. } ) 4... Rxd8 5. Rxc7 axb4 6. Rb7 Rd1+ 7. Kf2 Rc1 8. Rxb4 Rxc5 { With a
likely draw. } ) ( { White dare not try: } 3. d8=Q Rxd8 4. Rxc7 Rd1# ) 3... a5 ( { Black
can try: } 3... Rd8 4. Re8+ Kf7 5. Rxd8 Ke7 6. Rh8 Kxd7 7. Rxh7+ Kc6 8. Rxc7+ Kxc7 9. h4 Kc6 10. h5 Kb5 11. h6 Kxb4 12. h7 a5 13. h8=Q { White wins
with a large material advantage. } ) 4. bxa5 Rxc5 5. a6 Rc7 6. h3 Ra7 7. d8=Q Rxd8 8. Rxa7 Rd6 9. Kh2 f5 10. g4 fxg4 11. hxg4 Rf6 12. Kg3 h6 13. f5 Rc6 14. Kh4 Rf6 15. Kh5 Rc6 16. g5 hxg5 17. Kxg5 Rd6 18. f6 Rd1 19. Rg7+ Kf8 20. a7 Rg1+ 21. Kf5 Rf1+ 22. Ke6 Re1+ 23. Kd5 Rd1+ 24. Ke4 Re1+ 25. Kd3 Rd1+ 26. Kc2 Ra1 27. Rb7 Ra2+ 28. Kb3 Ra6 29. Rb8+ Kf7 30. a8=Q Rxa8 31. Rxa8 Kxf6 { White
wins with a large material advantage. } 1-0