Ivanov Grigorii

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

153 place (371.17).

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

p1 = (368.42 * 1.50 * 0.57 + 561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 333.33 * 2.45 * 1 + 0) / (1.50 * 0.57 + 3.90 * 1 + 2.25 * 1 + 2.45 * 1 + 1) = 442.2392441499077

p2 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 333.33 * 2.45 * 1 + 368.42 * 1.50 * 0.57) / max_coefficients = 300.0999351070733

score = 442.2392441499077 * 0.5 + 300.0999351070733 * 0.5 = 371.1695896284905

Rating changes

Show

Date Place Points Reason
2026-11-03 154 -> 153 371.17
2026-11-01 153 -> 154 371.17
2026-10-31 152 -> 153 371.17
2026-10-27 151 -> 152 371.17
2026-10-26 152 -> 151 371.17
2026-10-24 150 -> 152 371.17
2026-10-17 149 -> 150 371.17
2026-10-15 150 -> 149 371.17
2026-10-13 154 -> 150 371.17
2026-09-29 155 -> 154 371.17

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 57% 1.50 CRR HaTiKo Korolyov