Filatova Marina

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 22, 2026 (latest changes Sept. 17, 2026).

43 place (626.17).

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

p1 = (631.58 * 1.50 * 0.57 + 925.93 * 2.45 * 1 + 902.10 * 4.71 * 1 + 777.78 * 2.45 * 1 + 98.59 * 3.40 * 1) / (1.50 * 0.57 + 2.45 * 1 + 4.71 * 1 + 2.45 * 1 + 3.40 * 1) = 670.6160624788167

p2 = (902.10 * 4.71 * 1 + 925.93 * 2.45 * 1 + 777.78 * 2.45 * 1 + 631.58 * 1.50 * 0.57) / max_coefficients = 581.7190136275145

score = 670.6160624788167 * 0.5 + 581.7190136275145 * 0.5 = 626.1675380531656

Rating changes

Show

all results
Date Place Points Reason
2026-09-17 42 -> 43 630.26 -> 626.17

HaTiKo: 71% -> 57%
2026-09-06 26 -> 42 684.74 -> 630.26

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-03 27 -> 26 684.74
2026-09-01 29 -> 27 684.74
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

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 99 2026-09-06 65/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 778 2026-08-02 7/28 100% 2.45 RR Ivanovo Babayka 2026 Ivanovo
3 902 2026-06-14 15/144 100% 4.71 RR XII Russian Championship Samara
4 926 2026-05-17 🥉 3/28 100% 2.45 RR Hatiko under the sakura Korolyov
5 632 2025-05-17 8/20 57% 1.50 CRR HaTiKo Korolyov
6 355 2024-05-19 21/32 0% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov