Abakumov Artur

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 31, 2026 (latest changes Jan. 30, 2026).

302 place (44.14).

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

p1 = (111.11 * 2.30 * 0.14 + 217.39 * 2.20 * 0.57 + 0 + 0 + 0) / (2.30 * 0.14 + 2.20 * 0.57 + 1 + 1 + 1) = 67.55710625306655

p2 = (217.39 * 2.20 * 0.57 + 111.11 * 2.30 * 0.14) / max_coefficients = 20.72240802675585

score = 67.55710625306655 * 0.5 + 20.72240802675585 * 0.5 = 44.1397571399112

Rating changes

Show

Date Place Points Reason
2026-01-30 303 -> 302 44.14
2026-01-26 304 -> 303 44.14
2026-01-25 299 -> 304 44.14
2026-01-15 296 -> 299 51.23 -> 44.14

Tails, money, two renchans: 71% -> 57%

2026-01-10 297 -> 296 51.23
2026-01-07 295 -> 297 51.23
2026-01-03 291 -> 295 51.23
2025-12-27 286 -> 291 51.23
2025-12-25 284 -> 286 53.52 -> 51.23

Chasing Kan: 29% -> 14%

2025-12-09 285 -> 284 53.52

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 217 2024-09-15 19/24 57% 2.20 CRR Tails, money, two renchans Tyumen
2 111 2024-02-25 25/28 14% 2.30 CRR Chasing Kan Yekaterinburg