Jesse beats me in a 5-minute game on Chess.com subcriber Saturday. Most of the analysis is by Stockfish 10.
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Sep 16, 2019
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#3
FYI the Rook and Rook Pawn vs. Bishop endgame is Ending 98 in 100 Endgames You Must Know by Jesus de la Villa. It is winnable (but difficult) because the pawn is on the fourth rank. If the pawn was on the fifth or sixth rank, Black could draw.
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vs 
ending with GM Stripunsky here: 
GM Alex Yermolinsky (AKA Uncle Yermo) mentioned this game during the World Cup broadcast today. He said that GM Kraai knew the ending of Rook + Rook's Pawn vs Bishop was a win but could not remember how to do it. GM Jaan Ehlvest was on hand and happened to be teaching a team of students such endings for the past week. Still GM Ehlvest was unable to describe the process.
The story starts at about 1 hour and 25 minutes into the video:
Perhaps Jesse will address this incident/ending in one of his upcoming shows.