Bretslavskaya Natalya

From Tyumen, Russia

Player page

Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

67 place (522.64).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (617.02 * 2.80 * 0.14 + 721.52 * 3.65 * 0.14 + 225.81 * 2.40 * 0.57 + 500 * 3.40 * 1 + 846.15 * 4.71 * 1) / (2.80 * 0.14 + 3.65 * 0.14 + 2.40 * 0.57 + 3.40 * 1 + 4.71 * 1) = 636.1827019248655

p2 = (846.15 * 4.71 * 1 + 500 * 3.40 * 1 + 721.52 * 3.65 * 0.14 + 225.81 * 2.40 * 0.57) / max_coefficients = 409.1001026703934

score = 636.1827019248655 * 0.5 + 409.1001026703934 * 0.5 = 522.6414022976294

Rating changes

Show

all results
Date Place Points Reason
2026-07-03 68 -> 67 522.64
2026-07-02 69 -> 68 518.58 -> 522.64

Riichi Maslenitsa (shrovetide): 71% -> 57%
2026-06-16 70 -> 69 518.58
2026-06-15 68 -> 70 511.07 -> 518.58
2026-06-14 148 -> 68 283.86 -> 511.07

XII Russian Championship: 0% -> 100%
2026-06-09 149 -> 148 283.86
2026-06-04 135 -> 149 308.12 -> 283.86

Riichi over Volga: 29% -> 14%
2026-05-17 133 -> 135 308.12
2026-05-14 128 -> 133 321.67 -> 308.12

Guardian of the Winds: 29% -> 14%
2026-05-12 107 -> 128 376.03 -> 321.67

X Russian Championship: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 846 2026-06-14 23/144 100% 4.71 RR XII Russian Championship Samara
2 500 2026-02-23 38/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 226 2025-03-02 25/32 57% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
4 722 2024-08-04 23/80 14% 3.65 RR Riichi over Volga Samara
5 617 2024-07-14 19/48 14% 2.80 RR Guardian of the Winds Yekaterinburg
6 888 2024-05-12 13/108 0% 4.60 RR X Russian Championship Perm
7 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm