Bretslavskaya Natalya

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).

77 place (497.06).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (740.74 * 2.30 * 0.14 + 617.02 * 2.80 * 0.71 + 721.52 * 3.65 * 0.71 + 225.81 * 2.40 * 1 + 887.85 * 4.60 * 0.57 + 222.22 * 2.30 * 0.43) / (2.30 * 0.14 + 2.80 * 0.71 + 3.65 * 0.71 + 2.40 * 1 + 4.60 * 0.57 + 2.30 * 0.43) = 589.3384778712573

p2 = (887.85 * 4.60 * 0.57 + 721.52 * 3.65 * 0.71 + 617.02 * 2.80 * 0.71 + 225.81 * 2.40 * 1) / max_coefficients = 404.7844594594594

score = 589.3384778712573 * 0.5 + 404.7844594594594 * 0.5 = 497.06146866535835

Rating changes

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all results
Date Place Points Reason
2025-10-09 78 -> 77 497.06
2025-10-04 74 -> 78 512.77 -> 497.06

Riichi over Volga: 86% -> 71%
2025-09-14 73 -> 74 521.47 -> 512.77

Guardian of the Winds: 86% -> 71%
2025-09-12 63 -> 73 548.84 -> 521.47

X Russian Championship: 71% -> 57%
2025-09-10 64 -> 63 548.84
2025-09-05 64 550.49 -> 548.84

Finding Dora: 29% -> 14%
2025-09-03 65 -> 64 550.49
2025-09-01 65 544.09 -> 550.49
2025-08-31 61 -> 65 544.09
2025-08-25 64 -> 61 539.21 -> 544.09

Chasing Kan: 57% -> 43%

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 71% 3.65 RR Riichi over Volga Samara
3 617 2024-07-14 19/48 71% 2.80 RR Guardian of the Winds Yekaterinburg
4 888 2024-05-12 13/108 57% 4.60 RR X Russian Championship Perm
5 222 2024-02-25 22/28 43% 2.30 CRR Chasing Kan Yekaterinburg
6 741 2023-11-05 8/28 14% 2.30 CRR Finding Dora Yekaterinburg
7 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm