Burakov Ivan
From Tyumen, Russia
Common russian riichi rating (CRR)
Rating date June 1, 2025 (latest changes May 30, 2025).
217 place (185.33).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (103.45 * 3.75 * 0.14 + 148.15 * 2.30 * 0.43 + 608.70 * 2.20 * 1 + 0 + 0) / (3.75 * 0.14 + 2.30 * 0.43 + 2.20 * 1 + 1 + 1) = 269.25950620930485
p2 = (608.70 * 2.20 * 1 + 148.15 * 2.30 * 0.43 + 103.45 * 3.75 * 0.14) / max_coefficients = 101.40488893979067
score = 269.25950620930485 * 0.5 + 101.40488893979067 * 0.5 = 185.33219757454776
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-05-26 | 218 -> 217 | 185.33 | |
2025-05-17 | 216 -> 218 | 185.33 | |
2025-05-12 | 215 -> 216 | 183.23 -> 185.33 | |
2025-05-05 | 216 -> 215 | 181.48 -> 183.23 |
Finding Dora: 57% -> 43% |
2025-05-03 | 213 -> 216 | 181.48 | |
2025-04-27 | 209 -> 213 | 181.48 | |
2025-04-26 | 208 -> 209 | 181.48 | |
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% |
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 | 43% | 2.30 | CRR | Finding Dora | Yekaterinburg |
3 | 103 |
|
79/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |