Arzamastsev Vitalii

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 28, 2026 (latest changes Oct. 27, 2026).

291 place (177.89).

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

p1 = (0 * 2.50 * 1 + 774.19 * 2.40 * 1 + 0 + 0 + 0) / (2.50 * 1 + 2.40 * 1 + 1 + 1 + 1) = 235.19746835443036

p2 = (774.19 * 2.40 * 1 + 0 * 2.50 * 1) / max_coefficients = 120.574951330305

score = 235.19746835443036 * 0.5 + 120.574951330305 * 0.5 = 177.8862098423677

Rating changes

Show

all results
Date Place Points Reason
2026-10-24 289 -> 291 177.89
2026-10-17 288 -> 289 177.89
2026-10-13 293 -> 288 177.89
2026-10-10 291 -> 293 177.89
2026-10-03 292 -> 291 177.89
2026-10-02 293 -> 292 177.89
2026-09-23 294 -> 293 177.89
2026-09-15 295 -> 294 177.89
2026-09-06 288 -> 295 177.89
2026-09-01 290 -> 288 177.89

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 774 2026-07-12 8/32 100% 2.40 RR Poplar fluff. Mahjong. July. Yekaterinburg
2 0 2026-02-08 36/36 100% 2.50 RR One tsumo until spring Yekaterinburg