Ivanov Grigorii

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 21, 2026 (latest changes July 18, 2026).

148 place (371.38).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

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 = 302.008268851318

score = 440.7564107970332 * 0.5 + 302.008268851318 * 0.5 = 371.3823398241756

Rating changes

Show

all results
Date Place Points Reason
2026-07-18 147 -> 148 371.38
2026-07-17 147 373.20 -> 371.38

HaTiKo: 86% -> 71%
2026-07-12 143 -> 147 373.20
2026-07-07 144 -> 143 373.20
2026-07-04 143 -> 144 373.20
2026-07-03 145 -> 143 373.20
2026-06-27 144 -> 145 373.20
2026-06-15 145 -> 144 367.64 -> 373.20
2026-06-14 127 -> 145 380.69 -> 367.64
2026-06-09 129 -> 127 380.69

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