Ivanov Grigorii

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).

152 place (372.99).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (368.42 * 1.50 * 0.71 + 561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 333.33 * 2.45 * 1 + 0) / (1.50 * 0.71 + 3.90 * 1 + 2.25 * 1 + 2.45 * 1 + 1) = 440.7564107970332

p2 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 333.33 * 2.45 * 1 + 368.42 * 1.50 * 0.71) / max_coefficients = 305.2245295262816

score = 440.7564107970332 * 0.5 + 305.2245295262816 * 0.5 = 372.9904701616574

Rating changes

Show

all results
Date Place Points Reason
2026-08-31 152 372.50 -> 372.99
2026-08-30 148 -> 152 372.50
2026-08-27 146 -> 148 372.50
2026-08-16 143 -> 146 372.50
2026-08-15 145 -> 143 371.38 -> 372.50
2026-08-13 147 -> 145 371.38
2026-08-03 146 -> 147 371.38
2026-08-02 145 -> 146 371.38
2026-07-29 146 -> 145 371.38
2026-07-26 147 -> 146 371.38

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 333 2026-05-17 19/28 100% 2.45 RR Hatiko under the sakura Korolyov
2 579 2025-12-07 9/20 100% 2.25 RR Winter Hatiko Korolyov
3 561 2025-11-04 26/58 100% 3.90 RR XI Russian Championship Moscow
4 368 2025-05-17 13/20 71% 1.50 CRR HaTiKo Korolyov