Abakumov Artur

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).

272 place (62.34).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (111.11 * 2.30 * 0.43 + 217.39 * 2.20 * 0.86 + 0 + 0 + 0) / (2.30 * 0.43 + 2.20 * 0.86 + 1 + 1 + 1) = 88.47123343665908

p2 = (217.39 * 2.20 * 0.86 + 111.11 * 2.30 * 0.43) / max_coefficients = 36.199022497471226

score = 88.47123343665908 * 0.5 + 36.199022497471226 * 0.5 = 62.33512796706515

Rating changes

Show

all results
Date Place Points Reason
2025-10-13 272 61.78 -> 62.34
2025-09-30 273 -> 272 61.78
2025-09-15 272 -> 273 67.37 -> 61.78

Tails, money, two renchans: 100% -> 86%
2025-09-03 282 -> 272 67.37
2025-09-01 282 66.85 -> 67.37
2025-08-31 276 -> 282 66.85
2025-08-25 277 -> 276 68.45 -> 66.85

Chasing Kan: 57% -> 43%
2025-08-04 277 68.25 -> 68.45
2025-08-03 272 -> 277 68.25
2025-08-02 271 -> 272 68.25

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 217 2024-09-15 19/24 86% 2.20 CRR Tails, money, two renchans Tyumen
2 111 2024-02-25 25/28 43% 2.30 CRR Chasing Kan Yekaterinburg