Bretslavskaya Natalya

From Tyumen, Russia

Player page

Internal rating (RR)

Rating date July 18, 2025 (latest changes July 14, 2025).

53 place (544.03).

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

p1 = (887.85 * 4.60 * 0.71 + 617.02 * 2.80 * 0.86 + 721.52 * 3.65 * 1 + 225.81 * 2.40 * 1 + 0) / (4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 1 + 2.40 * 1 + 1) = 594.6719683157372

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 = 594.6719683157372 * 0.5 + 493.3902280130293 * 0.5 = 544.0310981643833

Rating changes

Show

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

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