Petrovskaya Ekaterina

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 24, 2026 (latest changes May 23, 2026).

334 place (34.72).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (200 * 1.80 * 0.43 + 86.96 * 1.20 * 1 + 0 + 0 + 0) / (1.80 * 0.43 + 1.20 * 1 + 1 + 1 + 1) = 52.026760642705995

p2 = (200 * 1.80 * 0.43 + 86.96 * 1.20 * 1) / max_coefficients = 17.417508417508415

score = 52.026760642705995 * 0.5 + 17.417508417508415 * 0.5 = 34.722134530107205

Rating changes

Show

all results
Date Place Points Reason
2026-05-19 339 -> 334 34.72
2026-05-17 337 -> 339 34.72
2026-05-12 347 -> 337 34.72
2026-05-11 343 -> 347 34.72
2026-05-05 344 -> 343 34.72
2026-05-03 334 -> 344 34.66 -> 34.72
2026-04-27 333 -> 334 40.02 -> 34.66

Happy Bamboo 2024: 57% -> 43%
2026-04-19 323 -> 333 40.02
2026-04-11 321 -> 323 40.02
2026-04-05 315 -> 321 40.02

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 87 2025-07-26 22/24 100% 1.20 CRR Pands in discards Simferopol
2 200 2024-10-27 13/16 43% 1.80 CRR Happy Bamboo 2024 Simferopol