Burakov Ivan
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date April 22, 2025 (latest changes April 22, 2025).
208 place (181.48).
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 * 0.14 + 148.15 * 2.30 * 0.57 + 608.70 * 2.20 * 1 + 0 + 0) / (3.75 * 0.14 + 2.30 * 0.57 + 2.20 * 1 + 1 + 1) = 262.6851313904988
p2 = (608.70 * 2.20 * 1 + 148.15 * 2.30 * 0.57 + 103.45 * 3.75 * 0.14) / max_coefficients = 100.26940063091484
score = 262.6851313904988 * 0.5 + 100.26940063091484 * 0.5 = 181.4772660107068
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-04-22 | 210 -> 208 | 181.48 | |
2025-04-13 | 208 -> 210 | 181.48 | |
2025-04-11 | 211 -> 208 | 176.75 -> 181.48 |
Money can not buy tenpai: 29% -> 14% |
2025-03-29 | 208 -> 211 | 176.75 | |
2025-03-23 | 200 -> 208 | 176.75 | |
2025-03-05 | 200 | 175.87 -> 176.75 |
Finding Dora: 71% -> 57% |
2025-03-02 | 199 -> 200 | 175.87 | |
2025-02-25 | 200 -> 199 | 175.87 | |
2025-02-22 | 201 -> 200 | 175.87 | |
2025-02-16 | 194 -> 201 | 175.87 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 609 |
|
10/24 | 100% | 2.20 | CRR | Tails, money, two renchans | Tyumen |
2 | 148 |
|
24/28 | 57% | 2.30 | CRR | Finding Dora | Yekaterinburg |
3 | 103 |
|
79/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |