Bretslavskaya Natalya

From Tyumen, Russia

Player page

Internal rating (RR)

Rating date Oct. 9, 2026 (latest changes Oct. 8, 2026).

54 place (584.76).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (225.81 * 2.40 * 0.43 + 500 * 3.40 * 1 + 846.15 * 4.71 * 1 + 903.23 * 2.40 * 1 + 0) / (2.40 * 0.43 + 3.40 * 1 + 4.71 * 1 + 2.40 * 1 + 1) = 644.8378771541411

p2 = (846.15 * 4.71 * 1 + 903.23 * 2.40 * 1 + 500 * 3.40 * 1 + 225.81 * 2.40 * 0.43) / max_coefficients = 524.684620376379

score = 644.8378771541411 * 0.5 + 524.684620376379 * 0.5 = 584.76124876526

Rating changes

Show

all results
Date Place Points Reason
2026-10-08 55 -> 54 584.76
2026-09-13 56 -> 55 584.76
2026-09-07 55 -> 56 584.76
2026-09-06 49 -> 55 584.76
2026-09-03 51 -> 49 584.76
2026-09-02 54 -> 51 581.70 -> 584.76

Riichi Maslenitsa (shrovetide): 57% -> 43%
2026-08-31 57 -> 54 580.84 -> 581.70
2026-08-26 56 -> 57 580.84
2026-08-16 54 -> 56 580.84
2026-08-15 54 578.91 -> 580.84

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 903 2026-07-12 4/32 100% 2.40 RR Poplar fluff. Mahjong. July. Yekaterinburg
2 846 2026-06-14 23/144 100% 4.71 RR XII Russian Championship Samara
3 500 2026-02-23 38/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
4 226 2025-03-02 25/32 43% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
5 722 2024-08-04 23/80 0% 3.65 RR Riichi over Volga Samara
6 617 2024-07-14 19/48 0% 2.80 RR Guardian of the Winds Yekaterinburg
7 888 2024-05-12 13/108 0% 4.60 RR X Russian Championship Perm
8 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm