Ivanov Anton

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 20, 2025 (latest changes Nov. 19, 2025).

202 place (210.78).

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 * 1 + 0 + 0 + 0) / (2.80 * 0.57 + 1.20 * 1 + 1 + 1 + 1) = 303.73349977241065

p2 = (851.06 * 2.80 * 0.57 + 333.33 * 1.20 * 1) / max_coefficients = 117.83478260869566

score = 303.73349977241065 * 0.5 + 117.83478260869566 * 0.5 = 210.78414119055316

Rating changes

Show

Date Place Points Reason
2025-11-19 203 -> 202 210.78
2025-11-14 196 -> 203 239.83 -> 210.78

Guardian of the Winds: 71% -> 57%

2025-11-12 197 -> 196 239.83
2025-11-04 192 -> 197 243.03 -> 239.83
2025-11-01 190 -> 192 242.77 -> 243.03
2025-10-25 191 -> 190 242.77
2025-10-13 191 240.55 -> 242.77
2025-10-09 192 -> 191 240.55
2025-09-30 193 -> 192 240.55
2025-09-19 194 -> 193 240.55

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 57% 2.80 RR Guardian of the Winds Yekaterinburg