Bretslavskaya Natalya

From Tyumen, Russia

Player page

Internal rating (RR)

Rating date July 3, 2025 (latest changes July 3, 2025).

47 place (573.25).

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

p1 = (887.85 * 4.60 * 0.86 + 617.02 * 2.80 * 1 + 721.52 * 3.65 * 1 + 225.81 * 2.40 * 1 + 0) / (4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1 + 1) = 609.2827634408446

p2 = (887.85 * 4.60 * 0.86 + 721.52 * 3.65 * 1 + 617.02 * 2.80 * 1 + 225.81 * 2.40 * 1) / max_coefficients = 537.2251266728292

score = 609.2827634408446 * 0.5 + 537.2251266728292 * 0.5 = 573.253945056837

Rating changes

Show

all results
Date Place Points Reason
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%
2025-05-10 38 -> 37 618.68
2025-05-03 32 -> 38 618.68
2025-04-11 28 -> 32 627.05 -> 618.68

Money can not buy tenpai: 29% -> 14%
2025-03-10 29 -> 28 627.05
2025-03-02 28 -> 29 642.27 -> 627.05

Riichi Maslenitsa (shrovetide): 0% -> 100%

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