Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 7, 2025 (latest changes Sept. 5, 2025).

185 place (267.55).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (851.06 * 2.80 * 0.86 + 333.33 * 1.20 * 1 + 0 + 0 + 0) / (2.80 * 0.86 + 1.20 * 1 + 1 + 1 + 1) = 370.0749104529173

p2 = (851.06 * 2.80 * 0.86 + 333.33 * 1.20 * 1) / max_coefficients = 165.0304054054054

score = 370.0749104529173 * 0.5 + 165.0304054054054 * 0.5 = 267.55265792916134

Rating changes

Show

all results
Date Place Points Reason
2025-09-05 186 -> 185 267.55
2025-09-03 188 -> 186 267.55
2025-09-01 188 265.38 -> 267.55
2025-08-31 184 -> 188 265.38
2025-08-26 186 -> 184 265.38
2025-08-25 187 -> 186 265.38
2025-08-04 187 264.60 -> 265.38
2025-08-03 181 -> 187 264.60
2025-07-30 182 -> 181 264.60
2025-07-26 180 -> 182 264.60

Tournaments

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