Sharafutdinova Gulnara
From Samara, Russia
EMA: 15990366
Internal rating (RR)
Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).
75 place (417.03).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998
p1 = (977.01 * 3.75 * 0.71 + 158.88 * 4 * 1 + 914.89 * 2.80 * 1 + 126.58 * 3.65 * 1 + 0) / (3.75 * 0.71 + 4 * 1 + 2.80 * 1 + 3.65 * 1 + 1) = 444.225110369905
p2 = (977.01 * 3.75 * 0.71 + 914.89 * 2.80 * 1 + 158.88 * 4 * 1 + 126.58 * 3.65 * 1) / max_coefficients = 389.83167701863357
score = 444.225110369905 * 0.5 + 389.83167701863357 * 0.5 = 417.0283936942693
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-01 | 65 -> 75 | 427.22 -> 417.03 | |
| 2024-08-11 | 62 -> 65 | 451.69 -> 427.22 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 45 -> 62 | 476.93 -> 451.69 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 85 -> 45 | 311.84 -> 476.93 |
Guardian of the Winds: 0% -> 100% |
| 2024-07-06 | 87 -> 85 | 311.84 | |
| 2024-06-11 | 86 -> 87 | 339.56 -> 311.84 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 82 -> 86 | 339.56 | |
| 2024-05-12 | 56 -> 82 | 366.61 -> 339.56 | |
| 2024-05-06 | 57 -> 56 | 362.82 -> 366.61 | |
| 2024-04-12 | 58 -> 57 | 362.82 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 127 |
|
70/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 915 |
|
5/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 159 |
|
91/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 977 |
|
3/88 | 71% | 3.75 | RR | Money can not buy tenpai |
| 5 | 44 |
|
88/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |