A passed pawn increases in strength as the number of pieces on the board diminishes.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown124"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/8/5P2/8/p5P1/N4k1P/1r6/6K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. f7 Rb8 2. g5 Rd8 3. h4 Kg3 4. Kf1 Kxh4 5. g6 Rf8 6. Ke2 Kg5 7. g7 Rxf7 8. g8=Q+ { White wins with a large material advantage. } 1-0