This is among the first ending studies I ever encountered as a teenager decades ago. How does white win?
2K5/2P4R/k7/8/8/8/2r4p/8 w - - 0 1
1.Kb8! h1=Q2.Rxh1 Rb2+3.Ka8 Rc24.Rh6+ Ka55.Kb7 Rb2+6.Ka7 Rc27.Rh5+ Kb48.Kb6 Rc49.Rh4 Rxh410.c8=QIt's a winning position for white.
1.Kb8 Rb2+2.Ka8 Rc23.Rh6+ Ka54.Kb7 Rb2+5.Ka7 Rc26.Rh5+ Ka47.Kb6 Rb2+8.Ka6 Rc29.Rh4+ Ka310.Kb6 Rb2+11.Ka5 Rc212.Rh3+ Kb213.Rxh2 Rxh214.c8=QIt's a winning position for white.The puzzle is very instructive and useful.
V2, obviously, is the main line. I have often seen it described as Lasker's Ladder.
There are 2 puzzles from the same chess game between Cervantes and Yu
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Patriarch Fan Reviews a Recent Offering from New in Chess
This is an important R and P endgame
This is a very long and complicated endgame. Please do not post a ridiculous 1 move answer.
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This was one of the puzzles I created for SPFNO
This was the 2nd chess game between Praggnanandhaa and Wesley So match in Leon