Burakov Ivan
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date Feb. 23, 2025 (latest changes Feb. 22, 2025).
200 place (175.87).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (103.45 * 3.75 * 0.29 + 148.15 * 2.30 * 0.71 + 608.70 * 2.20 * 1 + 0 + 0) / (3.75 * 0.29 + 2.30 * 0.71 + 2.20 * 1 + 1 + 1) = 244.90672544370227
p2 = (608.70 * 2.20 * 1 + 148.15 * 2.30 * 0.71 + 103.45 * 3.75 * 0.29) / max_coefficients = 106.8359621451104
score = 244.90672544370227 * 0.5 + 106.8359621451104 * 0.5 = 175.87134379440633
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-22 | 201 -> 200 | 175.87 | |
| 2025-02-16 | 194 -> 201 | 175.87 | |
| 2025-02-11 | 195 -> 194 | 172.53 -> 175.87 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 189 -> 195 | 172.53 | |
| 2025-01-26 | 180 -> 189 | 172.53 | |
| 2025-01-07 | 176 -> 180 | 172.53 | |
| 2025-01-05 | 176 | 172.24 -> 172.53 |
Finding Dora: 86% -> 71% |
| 2025-01-04 | 171 -> 176 | 172.24 | |
| 2025-01-01 | 172 -> 171 | 172.24 | |
| 2024-12-29 | 171 -> 172 | 172.24 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 609 |
|
10/24 | 100% | 2.20 | CRR | Tails, money, two renchans |
| 2 | 148 |
|
24/28 | 71% | 2.30 | CRR | Finding Dora |
| 3 | 103 |
|
79/88 | 29% | 3.75 | RR | Money can not buy tenpai |