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Actually, it's an interesting topic, both for challenges and for an entire tournament. Something like a "super-blitz." Jeb on a timer of 2+1+0 at 200%. I'm not sure what percentage of players (even experienced ones) will consistently make it to the second round.
I even suggest a name:
"Brooklyn Bridge" - the tournament slogan: "you shall not pass"
I'm even willing to put in five hundred rubles in advance into the prize fund.