Bretslavskaya Natalya

From Tyumen, Russia

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Common russian riichi rating (CRR)

Rating date June 15, 2025 (latest changes June 15, 2025).

53 place (582.61).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (740.74 * 2.30 * 0.43 + 222.22 * 2.30 * 0.71 + 887.85 * 4.60 * 0.86 + 617.02 * 2.80 * 1 + 721.52 * 3.65 * 1 + 225.81 * 2.40 * 1) / (2.30 * 0.43 + 2.30 * 0.71 + 4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1) = 615.9604910860477

p2 = (887.85 * 4.60 * 0.86 + 721.52 * 3.65 * 1 + 617.02 * 2.80 * 1 + 740.74 * 2.30 * 0.43) / max_coefficients = 549.2608034694866

score = 615.9604910860477 * 0.5 + 549.2608034694866 * 0.5 = 582.6106472777672

Rating changes

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all results
Date Place Points Reason
2025-06-15 48 -> 53 590.75 -> 582.61
2025-06-11 48 592.56 -> 590.75

Money can not buy tenpai: 14% -> 0%
2025-05-12 44 -> 48 604.55 -> 592.56

X Russian Championship: 100% -> 86%
2025-05-10 43 -> 44 604.55
2025-05-05 43 613.30 -> 604.55

Finding Dora: 57% -> 43%
2025-05-03 35 -> 43 613.30
2025-04-26 34 -> 35 613.30
2025-04-25 37 -> 34 609.40 -> 613.30

Chasing Kan: 86% -> 71%
2025-04-11 36 -> 37 610.90 -> 609.40

Money can not buy tenpai: 29% -> 14%
2025-03-10 37 -> 36 610.90

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 226 2025-03-02 25/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
2 722 2024-08-04 23/80 100% 3.65 RR Riichi over Volga Samara
3 617 2024-07-14 19/48 100% 2.80 RR Guardian of the Winds Yekaterinburg
4 888 2024-05-12 13/108 86% 4.60 RR X Russian Championship Perm
5 222 2024-02-25 22/28 71% 2.30 CRR Chasing Kan Yekaterinburg
6 741 2023-11-05 8/28 43% 2.30 CRR Finding Dora Yekaterinburg
7 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm