Bretslavskaya Natalya

From Tyumen, Russia

Player page

Internal rating (RR)

Rating date Aug. 29, 2025 (latest changes Aug. 9, 2025).

56 place (531.38).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (887.85 * 4.60 * 0.71 + 617.02 * 2.80 * 0.86 + 721.52 * 3.65 * 0.86 + 225.81 * 2.40 * 1 + 0) / (4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 0.86 + 2.40 * 1 + 1) = 589.2554286755241

p2 = (887.85 * 4.60 * 0.71 + 721.52 * 3.65 * 0.86 + 617.02 * 2.80 * 0.86 + 225.81 * 2.40 * 1) / max_coefficients = 473.50065789473683

score = 589.2554286755241 * 0.5 + 473.50065789473683 * 0.5 = 531.3780432851304

Rating changes

Show

all results
Date Place Points Reason
2025-08-09 57 -> 56 531.38
2025-08-04 53 -> 57 544.03 -> 531.38

Riichi over Volga: 100% -> 86%
2025-07-14 52 -> 53 552.41 -> 544.03

Guardian of the Winds: 100% -> 86%
2025-07-13 51 -> 52 552.41
2025-07-12 47 -> 51 573.25 -> 552.41

X Russian Championship: 86% -> 71%
2025-07-03 48 -> 47 573.25
2025-06-15 46 -> 48 581.21 -> 573.25
2025-06-11 42 -> 46 606.38 -> 581.21

Money can not buy tenpai: 14% -> 0%
2025-06-08 43 -> 42 606.38
2025-05-12 37 -> 43 618.68 -> 606.38

X Russian Championship: 100% -> 86%

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 86% 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
5 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm