1.406 4 line PC by yakine https://jstris.jezevec10.com/replay/338814 figure the settings out on your boards
and of course... 20L https://jstris.jezevec10.com/replay/3918939 40L https://jstris.jezevec10.com/replay/640128 (jstris world record, fastest time overall is by Vince_HD on Worldwide Combos) 100L https://jstris.jezevec10.com/replay/74723 1000L https://jstris.jezevec10.com/replay/519721 10L cheese https://jstris.jezevec10.com/replay/611432 18L cheese https://jstris.jezevec10.com/replay/611392 100L cheese https://jstris.jezevec10.com/replay/743875 euhaha has a game of Survival that's 36:08.570, but with no replay (for some reason lost to the mists of time afaik) Ultra https://jstris.jezevec10.com/replay/4731882 MicroBlizz has times near the WR for 20L and 40L invisible, but I don't have replay links handy for them. (edit: definitely a sub 10 second 20L invisible and a sub 20 second 40L invisible)
Here is a preliminary draft of a new global leaderboard rule:
Every submitted run has to be tied to a Jstris account. This account either has to be named similarly to the one on speedrun.com or have the speedrun.com name be permanently displayed in the "About player" section of the Jstris account.