Petrovskaya Ekaterina

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 9, 2026 (latest changes Oct. 8, 2026).

355 place (16.91).

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

p1 = (200 * 1.80 * 0.14 + 86.96 * 1.20 * 0.71 + 0 * 1.80 * 1 + 0 + 0) / (1.80 * 0.14 + 1.20 * 0.71 + 1.80 * 1 + 1 + 1) = 25.634973282489348

p2 = (86.96 * 1.20 * 0.71 + 200 * 1.80 * 0.14 + 0 * 1.80 * 1) / max_coefficients = 8.175210902011681

score = 25.634973282489348 * 0.5 + 8.175210902011681 * 0.5 = 16.905092092250513

Rating changes

Show

all results
Date Place Points Reason
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
2026-09-06 351 -> 357 18.42
2026-09-01 358 -> 351 18.42
2026-08-31 358 18.41 -> 18.42
2026-08-30 355 -> 358 18.41
2026-08-27 353 -> 355 24.21 -> 18.41

Happy Bamboo 2024: 29% -> 14%
2026-08-16 351 -> 353 24.21
2026-08-15 351 24.17 -> 24.21

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 14% 1.80 CRR Happy Bamboo 2024 Simferopol