Sharafutdinova Gulnara
From Samara, Russia
EMA: 15990366
Internal rating (RR)
Rating date April 11, 2025 (latest changes April 11, 2025).
91 place (402.90).
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 * 0.14 + 158.88 * 4 * 0.43 + 914.89 * 2.80 * 1 + 126.58 * 3.65 * 1 + 619.05 * 2.60 * 1) / (3.75 * 0.14 + 4 * 0.43 + 2.80 * 1 + 3.65 * 1 + 2.60 * 1) = 480.4475997265554
p2 = (914.89 * 2.80 * 1 + 619.05 * 2.60 * 1 + 977.01 * 3.75 * 0.14 + 126.58 * 3.65 * 1) / max_coefficients = 325.35078864353306
score = 480.4475997265554 * 0.5 + 325.35078864353306 * 0.5 = 402.8991941850442
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-11 | 84 -> 91 | 430.64 -> 402.90 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-03 | 88 -> 84 | 422.72 -> 430.64 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 84 -> 88 | 422.72 | |
| 2025-02-16 | 79 -> 84 | 422.72 | |
| 2025-02-11 | 74 -> 79 | 449.38 -> 422.72 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 69 -> 74 | 449.38 | |
| 2025-01-26 | 91 -> 69 | 374.89 -> 449.38 |
Riichi On Ice: 0% -> 100% |
| 2025-01-07 | 89 -> 91 | 374.89 | |
| 2025-01-03 | 92 -> 89 | 371.09 -> 374.89 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 86 -> 92 | 399.49 -> 371.09 |
Money can not buy tenpai: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 619 |
|
17/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 2 | 127 |
|
70/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 3 | 915 |
|
5/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 4 | 159 |
|
91/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 5 | 977 |
|
3/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
| 6 | 44 |
|
88/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm |