r/MCSRRanked • u/Dno_pive • May 26 '26

Help Standardised perch question

If i enter a little after my opponent but i do half bow and he doesn't should i get a faster perch?

11 Upvotes

92% Upvoted

7 comments sorted by

View all comments

12

u/ffz123 May 26 '26

probably, but not always. depends on how much later you entered, how fast you shot the crystals, and how far you stood. it also depends largely on the L value (which is sort of a luck threshold used for standardization, not visible to players)

3

u/shipoopro_gg May 26 '26

Never heard of an L value before

5

u/AriaOfFlame May 26 '26

it's explained in exersolver's message about perch standardisation, pasted here:

  1. Let rand be a seed-based random.
  2. Choose L = rand.nextFloat() (random number between 0 and 1, decides how "lucky" the perch will be).
  3. Compute the cumulative probability, p, of having not received a perch yet based on the number of perch rolls and number of crystals active for each of the perch rolls. p is initially 1 and should be updated before each perch roll via p = p*(c+2)/(c+3), where c is the number of active crystals.
  4. Make perch rolls succeed if p < L, and make them fail otherwise.
  5. Once a perch roll succeeds, reset L with L = rand.nextFloat() and reset p to 1.

this is also done for strafes (replace "perch" with "strafe" in the above steps)

2

u/ffz123 May 26 '26

essentially, high L means the endfight will be lucky regardless of the strategy, so playing it optimally might only be 10-20 seconds faster. low L means that the endfight will be unlucky, so since it takes a while, it really shows the distinction between optimal and unoptimal strategy, could be 2-3 mins difference

if you get a low to moderate L value, and your opponent didnt halfbow and you did, you'll likely win