Petrovskaya Ekaterina

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

364 place (9.01).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (86.96 * 1.20 * 0.71 + 0 * 1.80 * 1 + 0 + 0 + 0) / (1.20 * 0.71 + 1.80 * 1 + 1 + 1 + 1) = 13.176222698315057

p2 = (86.96 * 1.20 * 0.71 + 0 * 1.80 * 1) / max_coefficients = 4.837118754055808

score = 13.176222698315057 * 0.5 + 4.837118754055808 * 0.5 = 9.006670726185433

Rating changes

Show

all results
Date Place Points Reason
2026-11-01 361 -> 364 9.01
2026-10-31 357 -> 361 9.01
2026-10-27 357 16.91 -> 9.01

Happy Bamboo 2024: 14% -> 0%
2026-10-24 355 -> 357 16.91
2026-10-17 354 -> 355 16.91
2026-10-13 358 -> 354 16.91
2026-10-10 355 -> 358 16.91
2026-10-02 356 -> 355 16.91
2026-09-26 355 -> 356 18.42 -> 16.91

Pands in discards: 86% -> 71%
2026-09-15 357 -> 355 18.42

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 0 2026-07-25 32/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 87 2025-07-26 22/24 71% 1.20 CRR Pands in discards Simferopol
3 200 2024-10-27 13/16 0% 1.80 CRR Happy Bamboo 2024 Simferopol