Isabaev Rustam

From Chelyabinsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).

252 place (152.54).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (407.41 * 2.30 * 0.29 + 350.65 * 3.45 * 1 + 0 + 0 + 0) / (2.30 * 0.29 + 3.45 * 1 + 1 + 1 + 1) = 207.8833731291622

p2 = (350.65 * 3.45 * 1 + 407.41 * 2.30 * 0.29) / max_coefficients = 97.20065789473685

score = 207.8833731291622 * 0.5 + 97.20065789473685 * 0.5 = 152.54201551194953

Rating changes

Show

all results
Date Place Points Reason
2025-08-31 282 -> 252 52.69 -> 152.54

SPB Riichi Open 2025: 0% -> 100%
2025-08-25 283 -> 282 52.69
2025-08-04 283 52.59 -> 52.69
2025-08-03 278 -> 283 52.59
2025-08-02 277 -> 278 52.59
2025-07-30 278 -> 277 52.59
2025-07-26 273 -> 278 52.59
2025-07-13 270 -> 273 52.59
2025-07-12 270 52.39 -> 52.59
2025-07-05 267 -> 270 69.08 -> 52.39

Finding Dora: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 351 2025-08-31 51/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 407 2023-11-05 17/28 29% 2.30 CRR Finding Dora Yekaterinburg
3 211 2023-08-27 16/20 0% 2.10 CRR 13 tiles until tempai Yekaterinburg