Abakumov Artur

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

284 place (53.52).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (111.11 * 2.30 * 0.29 + 217.39 * 2.20 * 0.71 + 0 + 0 + 0) / (2.30 * 0.29 + 2.20 * 0.71 + 1 + 1 + 1) = 79.30084133902768

p2 = (217.39 * 2.20 * 0.71 + 111.11 * 2.30 * 0.29) / max_coefficients = 27.734448160535116

score = 79.30084133902768 * 0.5 + 27.734448160535116 * 0.5 = 53.5176447497814

Rating changes

Show

Date Place Points Reason
2025-12-09 285 -> 284 53.52
2025-12-07 282 -> 285 53.52
2025-12-06 277 -> 282 53.52
2025-11-30 276 -> 277 53.52
2025-11-25 277 -> 276 53.52
2025-11-15 276 -> 277 59.72 -> 53.52

Tails, money, two renchans: 86% -> 71%

2025-11-10 277 -> 276 59.72
2025-11-04 273 -> 277 60.45 -> 59.72
2025-11-01 273 60.39 -> 60.45
2025-10-25 271 -> 273 62.34 -> 60.39

Chasing Kan: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 217 2024-09-15 19/24 71% 2.20 CRR Tails, money, two renchans Tyumen
2 111 2024-02-25 25/28 29% 2.30 CRR Chasing Kan Yekaterinburg