Abakumov Artur
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date April 1, 2025 (latest changes March 30, 2025).
245 place (70.61).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (111.11 * 2.30 * 0.86 + 217.39 * 2.20 * 1 + 0 + 0 + 0) / (2.30 * 0.86 + 2.20 * 1 + 1 + 1 + 1) = 97.23440421790657
p2 = (217.39 * 2.20 * 1 + 111.11 * 2.30 * 0.86) / max_coefficients = 43.99369085173501
score = 97.23440421790657 * 0.5 + 43.99369085173501 * 0.5 = 70.6140475348208
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-03-29 | 239 -> 245 | 70.61 | |
2025-03-23 | 227 -> 239 | 70.61 | |
2025-03-05 | 228 -> 227 | 70.61 | |
2025-03-03 | 229 -> 228 | 70.61 | |
2025-03-02 | 228 -> 229 | 70.61 | |
2025-03-01 | 229 -> 228 | 70.61 | |
2025-02-25 | 231 -> 229 | 72.07 -> 70.61 |
Chasing Kan: 100% -> 86% |
2025-02-16 | 226 -> 231 | 72.07 | |
2025-02-11 | 228 -> 226 | 72.07 | |
2025-02-02 | 222 -> 228 | 72.07 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 217 |
|
19/24 | 100% | 2.20 | CRR | Tails, money, two renchans |
2 | 111 |
|
25/28 | 86% | 2.30 | CRR | Chasing Kan |