Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 8, 2026 (latest changes Jan. 7, 2026).

173 place (292.38).

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

p1 = (851.06 * 2.80 * 0.57 + 333.33 * 1.20 * 0.86 + 576.92 * 1.40 * 1 + 0 + 0) / (2.80 * 0.57 + 1.20 * 0.86 + 1.40 * 1 + 1 + 1) = 416.718089588683

p2 = (851.06 * 2.80 * 0.57 + 576.92 * 1.40 * 1 + 333.33 * 1.20 * 0.86) / max_coefficients = 168.03745819397997

score = 416.718089588683 * 0.5 + 168.03745819397997 * 0.5 = 292.37777389133146

Rating changes

Show

all results
Date Place Points Reason
2026-01-07 174 -> 173 292.38
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%
2025-12-27 209 -> 174 210.78 -> 293.14

Martenho's New Year 2025: 0% -> 100%
2025-12-25 210 -> 209 210.78
2025-12-13 211 -> 210 210.78
2025-12-09 212 -> 211 210.78
2025-12-07 207 -> 212 210.78
2025-12-06 204 -> 207 210.78
2025-11-22 202 -> 204 210.78

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 577 2025-12-27 12/27 100% 1.40 CRR Martenho's New Year 2025 Ufa
2 333 2024-12-29 11/16 86% 1.20 CRR Martenho's New Year's Eve tournament Ufa
3 851 2024-07-14 8/48 57% 2.80 RR Guardian of the Winds Yekaterinburg