Abakumov Artur

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 1, 2025 (latest changes June 27, 2025).

269 place (67.87).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (111.11 * 2.30 * 0.57 + 217.39 * 2.20 * 1 + 0 + 0 + 0) / (2.30 * 0.57 + 2.20 * 1 + 1 + 1 + 1) = 95.83342288102028

p2 = (217.39 * 2.20 * 1 + 111.11 * 2.30 * 0.57) / max_coefficients = 39.90881346267195

score = 95.83342288102028 * 0.5 + 39.90881346267195 * 0.5 = 67.87111817184612

Rating changes

Show

Date Place Points Reason
2025-06-25 268 -> 269 69.41 -> 67.87

Chasing Kan: 71% -> 57%

2025-06-15 259 -> 268 70.03 -> 69.41
2025-06-14 254 -> 259 70.03
2025-06-11 259 -> 254 70.03
2025-06-08 257 -> 259 70.03
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

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 57% 2.30 CRR Chasing Kan Yekaterinburg