Sharafutdinova Gulnara
From Samara, Russia
EMA: 15990366
Common russian riichi rating (CRR)
Rating date June 15, 2025 (latest changes June 15, 2025).
68 place (525.93).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (619.05 * 2.60 * 1 + 842.86 * 3.50 * 1 + 158.88 * 4 * 0.29 + 914.89 * 2.80 * 1 + 126.58 * 3.65 * 1) / (2.60 * 1 + 3.50 * 1 + 4 * 0.29 + 2.80 * 1 + 3.65 * 1) = 567.0732063566254
p2 = (842.86 * 3.50 * 1 + 914.89 * 2.80 * 1 + 619.05 * 2.60 * 1 + 126.58 * 3.65 * 1) / max_coefficients = 484.7800821599395
score = 567.0732063566254 * 0.5 + 484.7800821599395 * 0.5 = 525.9266442582825
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 62 -> 68 | 533.11 -> 525.93 | |
| 2025-06-14 | 61 -> 62 | 533.11 | |
| 2025-06-11 | 61 | 542.85 -> 533.11 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-09 | 60 -> 61 | 542.85 | |
| 2025-05-12 | 61 -> 60 | 532.42 -> 542.85 | |
| 2025-05-10 | 62 -> 61 | 532.42 | |
| 2025-05-03 | 101 -> 62 | 402.90 -> 532.42 |
SPB Riichi Open 2023: 43% -> 29% Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-27 | 98 -> 101 | 402.90 | |
| 2025-04-26 | 97 -> 98 | 402.90 | |
| 2025-04-25 | 98 -> 97 | 402.90 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 843 |
|
12/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 2 | 619 |
|
17/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 3 | 127 |
|
70/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 4 | 915 |
|
5/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 5 | 159 |
|
91/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 6 | 977 |
|
3/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |
| 7 | 895 |
|
3/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 | Samara |
| 8 | 44 |
|
88/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm |