Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 22, 2026 (latest changes Feb. 16, 2026).

228 place (176.08).

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

p1 = (851.06 * 2.80 * 0.43 + 333.33 * 1.20 * 0.86 + 0 + 0 + 0) / (2.80 * 0.43 + 1.20 * 0.86 + 1 + 1 + 1) = 260.90731744635275

p2 = (851.06 * 2.80 * 0.43 + 333.33 * 1.20 * 0.86) / max_coefficients = 91.24949832775921

score = 260.90731744635275 * 0.5 + 91.24949832775921 * 0.5 = 176.078407887056

Rating changes

Show

all results
Date Place Points Reason
2026-02-09 188 -> 228 265.57 -> 176.08
2026-02-08 187 -> 188 265.57
2026-02-04 188 -> 187 265.57
2026-01-26 189 -> 188 265.57
2026-01-25 187 -> 189 265.57
2026-01-14 174 -> 187 292.38 -> 265.57

Guardian of the Winds: 57% -> 43%
2026-01-12 175 -> 174 292.38
2026-01-07 174 -> 175 292.38
2026-01-03 173 -> 174 292.38
2025-12-29 174 -> 173 293.14 -> 292.38

Martenho's New Year's Eve tournament: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 333 2024-12-29 11/16 86% 1.20 CRR Martenho's New Year's Eve tournament Ufa
2 851 2024-07-14 8/48 43% 2.80 RR Guardian of the Winds Yekaterinburg