Filatova Marina

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

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

29 place (684.74).

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

p1 = (631.58 * 1.50 * 0.71 + 925.93 * 2.45 * 1 + 902.10 * 4.71 * 1 + 777.78 * 2.45 * 1 + 0) / (1.50 * 0.71 + 2.45 * 1 + 4.71 * 1 + 2.45 * 1 + 1) = 778.9846294766488

p2 = (902.10 * 4.71 * 1 + 925.93 * 2.45 * 1 + 777.78 * 2.45 * 1 + 631.58 * 1.50 * 0.71) / max_coefficients = 590.5042180402335

score = 778.9846294766488 * 0.5 + 590.5042180402335 * 0.5 = 684.7444237584411

Rating changes

Show

all results
Date Place Points Reason
2026-08-31 29 683.79 -> 684.74
2026-08-16 25 -> 29 683.79
2026-08-15 26 -> 25 681.63 -> 683.79
2026-08-04 27 -> 26 681.63
2026-08-02 60 -> 27 582.53 -> 681.63

Ivanovo Babayka 2026: 0% -> 100%
2026-07-25 57 -> 60 582.53
2026-07-17 57 586.14 -> 582.53

HaTiKo: 86% -> 71%
2026-07-14 58 -> 57 586.14
2026-07-12 54 -> 58 586.14
2026-07-11 55 -> 54 586.14

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 778 2026-08-02 7/28 100% 2.45 RR Ivanovo Babayka 2026 Ivanovo
2 902 2026-06-14 15/144 100% 4.71 RR XII Russian Championship Samara
3 926 2026-05-17 🥉 3/28 100% 2.45 RR Hatiko under the sakura Korolyov
4 632 2025-05-17 8/20 71% 1.50 CRR HaTiKo Korolyov
5 355 2024-05-19 21/32 0% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov