Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 17, 2026 (latest changes May 17, 2026).

267 place (177.54).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (851.06 * 2.80 * 0.14 + 333.33 * 1.20 * 0.57 + 434.78 * 1.60 * 1 + 0 + 0) / (2.80 * 0.14 + 1.20 * 0.57 + 1.60 * 1 + 1 + 1) = 269.9090870288957

p2 = (434.78 * 1.60 * 1 + 851.06 * 2.80 * 0.14 + 333.33 * 1.20 * 0.57) / max_coefficients = 85.16767676767675

score = 269.9090870288957 * 0.5 + 85.16767676767675 * 0.5 = 177.53838189828625

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 268 -> 267 177.54
2026-05-14 248 -> 268 211.84 -> 177.54

Guardian of the Winds: 29% -> 14%
2026-05-12 253 -> 248 211.84
2026-05-11 252 -> 253 211.84
2026-05-03 245 -> 252 211.48 -> 211.84
2026-05-02 246 -> 245 211.48
2026-04-29 246 213.68 -> 211.48

Martenho's New Year's Eve tournament: 71% -> 57%
2026-04-27 247 -> 246 213.68
2026-04-26 248 -> 247 213.68
2026-04-19 236 -> 248 213.68

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 57% 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