Bretslavskaya Natalya

From Tyumen, Russia

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Internal rating (RR)

Rating date May 12, 2025 (latest changes May 12, 2025).

43 place (606.38).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (724.14 * 3.75 * 0.14 + 887.85 * 4.60 * 0.86 + 617.02 * 2.80 * 1 + 721.52 * 3.65 * 1 + 225.81 * 2.40 * 1) / (3.75 * 0.14 + 4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1) = 659.6133783645389

p2 = (887.85 * 4.60 * 0.86 + 721.52 * 3.65 * 1 + 617.02 * 2.80 * 1 + 225.81 * 2.40 * 1) / max_coefficients = 553.1375019252717

score = 659.6133783645389 * 0.5 + 553.1375019252717 * 0.5 = 606.3754401449053

Rating changes

Show

all results
Date Place Points Reason
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%
2025-02-16 24 -> 28 642.27
2025-02-11 22 -> 24 654.93 -> 642.27

Money can not buy tenpai: 43% -> 29%
2025-01-26 21 -> 22 654.93
2025-01-07 18 -> 21 654.93

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 14% 3.75 RR Money can not buy tenpai Perm