Arzamastsev Vitalii

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date Sept. 16, 2026 (latest changes Sept. 13, 2026).

216 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
2026-09-06 210 -> 216 177.89
2026-09-01 213 -> 210 177.89
2026-08-31 213 177.69 -> 177.89
2026-08-27 215 -> 213 177.69
2026-08-26 217 -> 215 177.69
2026-08-16 214 -> 217 177.69
2026-08-15 214 177.25 -> 177.69
2026-08-04 220 -> 214 177.25
2026-08-02 219 -> 220 177.25
2026-07-26 220 -> 219 177.25

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