Bretslavskaya Natalya

From Tyumen, Russia

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Common russian riichi rating (CRR)

Rating date July 14, 2025 (latest changes July 14, 2025).

62 place (551.37).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (740.74 * 2.30 * 0.29 + 222.22 * 2.30 * 0.57 + 887.85 * 4.60 * 0.71 + 617.02 * 2.80 * 0.86 + 721.52 * 3.65 * 1 + 225.81 * 2.40 * 1) / (2.30 * 0.29 + 2.30 * 0.57 + 4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 1 + 2.40 * 1) = 609.3489526146878

p2 = (887.85 * 4.60 * 0.71 + 721.52 * 3.65 * 1 + 617.02 * 2.80 * 0.86 + 225.81 * 2.40 * 1) / max_coefficients = 493.3902280130293

score = 609.3489526146878 * 0.5 + 493.3902280130293 * 0.5 = 551.3695903138586

Rating changes

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all results
Date Place Points Reason
2025-07-14 62 559.52 -> 551.37

Guardian of the Winds: 100% -> 86%
2025-07-13 61 -> 62 559.52
2025-07-12 52 -> 61 579.59 -> 559.52

X Russian Championship: 86% -> 71%
2025-07-10 53 -> 52 579.59
2025-07-05 47 -> 53 586.90 -> 579.59

Finding Dora: 43% -> 29%
2025-06-25 53 -> 47 582.61 -> 586.90

Chasing Kan: 71% -> 57%
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

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 86% 2.80 RR Guardian of the Winds Yekaterinburg
4 888 2024-05-12 13/108 71% 4.60 RR X Russian Championship Perm
5 222 2024-02-25 22/28 57% 2.30 CRR Chasing Kan Yekaterinburg
6 741 2023-11-05 8/28 29% 2.30 CRR Finding Dora Yekaterinburg
7 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm