Ivanov Grigorii

From Korolyov, Russia

Player page

Internal rating (RR)

Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).

133 place (343.05).

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

p1 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 333.33 * 2.45 * 1 + 0 + 0) / (3.90 * 1 + 2.25 * 1 + 2.45 * 1 + 1 + 1) = 406.4877358490565

p2 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 333.33 * 2.45 * 1) / max_coefficients = 279.6086956521739

score = 406.4877358490565 * 0.5 + 279.6086956521739 * 0.5 = 343.0482157506152

Rating changes

Show

all results
Date Place Points Reason
2026-09-03 134 -> 133 343.05
2026-09-01 135 -> 134 343.05
2026-08-31 135 342.60 -> 343.05
2026-08-16 132 -> 135 342.60
2026-08-15 132 341.58 -> 342.60
2026-08-13 133 -> 132 341.58
2026-08-04 136 -> 133 341.58
2026-08-02 135 -> 136 341.58
2026-07-26 136 -> 135 341.58
2026-07-18 133 -> 136 341.58

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