Ivanov Grigorii

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).

191 place (254.93).

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

p1 = (368.42 * 1.50 * 1 + 561.40 * 3.90 * 1 + 0 + 0 + 0) / (1.50 * 1 + 3.90 * 1 + 1 + 1 + 1) = 326.44047619047615

p2 = (561.40 * 3.90 * 1 + 368.42 * 1.50 * 1) / max_coefficients = 183.4180602006689

score = 326.44047619047615 * 0.5 + 183.4180602006689 * 0.5 = 254.92926819557252

Rating changes

Show

Date Place Points Reason
2025-11-05 192 -> 191 254.93
2025-11-04 192 254.93

XI Russian Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 561 2025-11-04 26/58 100% 3.90 RR XI Russian Championship Moscow
2 368 2025-05-17 13/20 100% 1.50 CRR HaTiKo Korolyov