Abakumov Artur

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 27, 2025 (latest changes Oct. 27, 2025).

273 place (60.39).

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

p1 = (111.11 * 2.30 * 0.29 + 217.39 * 2.20 * 0.86 + 0 + 0 + 0) / (2.30 * 0.29 + 2.20 * 0.86 + 1 + 1 + 1) = 87.12854495889209

p2 = (217.39 * 2.20 * 0.86 + 111.11 * 2.30 * 0.29) / max_coefficients = 33.65404549947787

score = 87.12854495889209 * 0.5 + 33.65404549947787 * 0.5 = 60.391295229184976

Rating changes

Show

all results
Date Place Points Reason
2025-10-25 271 -> 273 62.34 -> 60.39

Chasing Kan: 43% -> 29%
2025-10-22 272 -> 271 62.34
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

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 29% 2.30 CRR Chasing Kan Yekaterinburg