Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 29, 2026 (latest changes June 29, 2026).

284 place (172.52).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (851.06 * 2.80 * 0.14 + 333.33 * 1.20 * 0.43 + 434.78 * 1.60 * 1 + 0 + 0) / (2.80 * 0.14 + 1.20 * 0.43 + 1.60 * 1 + 1 + 1) = 267.50161703334186

p2 = (434.78 * 1.60 * 1 + 851.06 * 2.80 * 0.14 + 333.33 * 1.20 * 0.43) / max_coefficients = 77.54022541255969

score = 267.50161703334186 * 0.5 + 77.54022541255969 * 0.5 = 172.5209212229508

Rating changes

Show

Date Place Points Reason
2026-06-29 282 -> 284 175.56 -> 172.52

Martenho's New Year's Eve tournament: 57% -> 43%

2026-06-15 284 -> 282 174.09 -> 175.56
2026-06-14 267 -> 284 177.54 -> 174.09
2026-06-13 270 -> 267 177.54
2026-06-09 271 -> 270 177.54
2026-06-04 273 -> 271 177.54
2026-05-31 267 -> 273 177.54
2026-05-25 268 -> 267 177.54
2026-05-23 269 -> 268 177.54
2026-05-17 267 -> 269 177.54

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 435 2026-03-07 14/24 100% 1.60 CRR Spring Martenho get-together 2026 Ufa
2 333 2024-12-29 11/16 43% 1.20 CRR Martenho's New Year's Eve tournament Ufa
3 851 2024-07-14 8/48 14% 2.80 RR Guardian of the Winds Yekaterinburg