Abakumov Artur

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 21, 2025 (latest changes May 19, 2025).

257 place (70.03).

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

p1 = (111.11 * 2.30 * 0.71 + 217.39 * 2.20 * 1 + 0 + 0 + 0) / (2.30 * 0.71 + 2.20 * 1 + 1 + 1 + 1) = 96.56738600211312

p2 = (217.39 * 2.20 * 1 + 111.11 * 2.30 * 0.71) / max_coefficients = 43.494687566232635

score = 96.56738600211312 * 0.5 + 43.494687566232635 * 0.5 = 70.03103678417288

Rating changes

Show

Date Place Points Reason
2025-05-17 254 -> 257 70.03
2025-05-12 254 69.13 -> 70.03
2025-05-03 250 -> 254 69.13
2025-05-01 253 -> 250 69.13
2025-04-27 247 -> 253 69.13
2025-04-26 245 -> 247 69.13
2025-04-25 245 70.61 -> 69.13

Chasing Kan: 86% -> 71%

2025-04-22 248 -> 245 70.61
2025-04-13 245 -> 248 70.61
2025-03-29 239 -> 245 70.61

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 217 2024-09-15 19/24 100% 2.20 CRR Tails, money, two renchans Tyumen
2 111 2024-02-25 25/28 71% 2.30 CRR Chasing Kan Yekaterinburg