Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 15, 2026 (latest changes March 15, 2026).

219 place (213.68).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (851.06 * 2.80 * 0.29 + 333.33 * 1.20 * 0.71 + 434.78 * 1.60 * 1 + 0 + 0) / (2.80 * 0.29 + 1.20 * 0.71 + 1.60 * 1 + 1 + 1) = 316.1788203426971

p2 = (434.78 * 1.60 * 1 + 851.06 * 2.80 * 0.29 + 333.33 * 1.20 * 0.71) / max_coefficients = 111.18327759197325

score = 316.1788203426971 * 0.5 + 111.18327759197325 * 0.5 = 213.6810489673352

Rating changes

Show

Date Place Points Reason
2026-03-14 204 -> 219 243.98 -> 213.68

Guardian of the Winds: 43% -> 29%

2026-03-12 205 -> 204 243.98
2026-03-07 240 -> 205 172.94 -> 243.98

Spring Martenho get-together 2026: 0% -> 100%

2026-03-01 241 -> 240 172.94
2026-02-28 240 -> 241 176.08 -> 172.94

Martenho's New Year's Eve tournament: 86% -> 71%

2026-02-23 229 -> 240 176.08
2026-02-09 232 -> 229 176.08
2026-02-04 233 -> 232 176.08
2026-01-26 234 -> 233 176.08
2026-01-25 232 -> 234 176.08

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 71% 1.20 CRR Martenho's New Year's Eve tournament Ufa
3 851 2024-07-14 8/48 29% 2.80 RR Guardian of the Winds Yekaterinburg