Isabaev Rustam

From Chelyabinsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 7, 2025 (latest changes July 5, 2025).

270 place (52.39).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (210.53 * 2.10 * 0.14 + 407.41 * 2.30 * 0.29 + 0 + 0 + 0) / (2.10 * 0.14 + 2.30 * 0.29 + 1 + 1 + 1) = 83.61720408369553

p2 = (407.41 * 2.30 * 0.29 + 210.53 * 2.10 * 0.14) / max_coefficients = 21.1530519745363

score = 83.61720408369553 * 0.5 + 21.1530519745363 * 0.5 = 52.38512802911591

Rating changes

Show

all results
Date Place Points Reason
2025-07-05 267 -> 270 69.08 -> 52.39

Finding Dora: 43% -> 29%
2025-06-27 267 74.44 -> 69.08

13 tiles until tempai: 29% -> 14%
2025-06-22 266 -> 267 74.44
2025-06-15 257 -> 266 74.94 -> 74.44
2025-06-14 252 -> 257 74.94
2025-06-11 257 -> 252 74.94
2025-06-08 255 -> 257 74.94
2025-05-30 256 -> 255 74.94
2025-05-17 253 -> 256 74.94
2025-05-12 253 74.21 -> 74.94

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 407 2023-11-05 17/28 29% 2.30 CRR Finding Dora Yekaterinburg
2 211 2023-08-27 16/20 14% 2.10 CRR 13 tiles until tempai Yekaterinburg