Arzamastsev Vitalii

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 25, 2026 (latest changes Aug. 16, 2026).

291 place (177.69).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999

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 = 120.1849935316947

score = 235.19746835443036 * 0.5 + 120.1849935316947 * 0.5 = 177.69123094306252

Rating changes

Show

all results
Date Place Points Reason
2026-08-16 289 -> 291 177.69
2026-08-15 289 177.25 -> 177.69
2026-08-14 290 -> 289 177.25
2026-08-04 294 -> 290 177.25
2026-08-02 286 -> 294 177.25
2026-07-26 287 -> 286 177.25
2026-07-25 285 -> 287 177.25
2026-07-23 286 -> 285 177.25
2026-07-18 283 -> 286 177.25
2026-07-13 284 -> 283 177.25

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