Ivanov Grigorii

From Korolyov, Russia

Player page

Internal rating (RR)

Rating date May 5, 2026 (latest changes May 3, 2026).

139 place (308.40).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 0 + 0 + 0) / (3.90 * 1 + 2.25 * 1 + 1 + 1 + 1) = 381.6502732240437

p2 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1) / max_coefficients = 235.15824915824916

score = 381.6502732240437 * 0.5 + 235.15824915824916 * 0.5 = 308.4042611911464

Rating changes

Show

all results
Date Place Points Reason
2026-05-03 137 -> 139 307.62 -> 308.40
2026-05-02 139 -> 137 307.62
2026-04-27 140 -> 139 307.62
2026-04-19 138 -> 140 307.62
2026-04-09 139 -> 138 307.62
2026-04-05 138 -> 139 307.62
2026-03-30 140 -> 138 307.62
2026-03-14 141 -> 140 307.62
2026-03-12 143 -> 141 307.62
2026-03-01 146 -> 143 307.62

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 579 2025-12-07 9/20 100% 2.25 RR Winter Hatiko Korolyov
2 561 2025-11-04 26/58 100% 3.90 RR XI Russian Championship Moscow