Sharafutdinova Gulnara
From Samara, Russia
EMA: 15990366
Common russian riichi rating (CRR)
Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).
108 place (371.09).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (977.01 * 3.75 * 0.43 + 158.88 * 4 * 0.71 + 914.89 * 2.80 * 1 + 126.58 * 3.65 * 1 + 0) / (3.75 * 0.43 + 4 * 0.71 + 2.80 * 1 + 3.65 * 1 + 1) = 423.6855247199828
p2 = (914.89 * 2.80 * 1 + 977.01 * 3.75 * 0.43 + 126.58 * 3.65 * 1 + 158.88 * 4 * 0.71) / max_coefficients = 318.48454258675076
score = 423.6855247199828 * 0.5 + 318.48454258675076 * 0.5 = 371.0850336533668
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-11 | 98 -> 108 | 399.49 -> 371.09 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-05 | 102 -> 98 | 399.49 | |
| 2024-11-04 | 101 -> 102 | 399.49 | |
| 2024-11-03 | 104 -> 101 | 396.02 -> 399.49 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-25 | 103 -> 104 | 396.02 | |
| 2024-10-13 | 92 -> 103 | 399.72 -> 396.02 | |
| 2024-10-11 | 85 -> 92 | 427.29 -> 399.72 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-15 | 84 -> 85 | 427.29 | |
| 2024-09-06 | 83 -> 84 | 427.29 | |
| 2024-09-03 | 86 -> 83 | 417.03 -> 427.29 |
SPB Riichi Open 2023: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 127 |
|
70/80 | 100% | 3.65 | RR | Riichi over Volga | Samara | |
| 2 | 915 |
|
5/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 3 | 159 |
|
91/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 4 | 977 |
|
🥉 | 3/88 | 43% | 3.75 | RR | Money can not buy tenpai | Perm |
| 5 | 895 |
|
🥉 | 3/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 | Samara |
| 6 | 44 |
|
88/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm |