Sharafutdinova Gulnara
From Samara, Russia
EMA: 15990366
Internal rating (RR)
Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).
89 place (374.89).
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 * 0.57 + 914.89 * 2.80 * 1 + 126.58 * 3.65 * 1 + 0) / (3.75 * 0.43 + 4 * 0.57 + 2.80 * 1 + 3.65 * 1 + 1) = 437.0294943510669
p2 = (914.89 * 2.80 * 1 + 977.01 * 3.75 * 0.43 + 126.58 * 3.65 * 1 + 158.88 * 4 * 0.57) / max_coefficients = 312.7545741324921
score = 437.0294943510669 * 0.5 + 312.7545741324921 * 0.5 = 374.89203424177947
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-11-06 | 87 -> 86 | 399.49 | |
| 2024-11-03 | 88 -> 87 | 396.02 -> 399.49 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 78 -> 88 | 399.72 -> 396.02 | |
| 2024-10-11 | 73 -> 78 | 427.29 -> 399.72 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-06 | 74 -> 73 | 427.29 | |
| 2024-09-03 | 75 -> 74 | 417.03 -> 427.29 |
SPB Riichi Open 2023: 100% -> 86% |
| 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% |
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 | 57% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 977 |
|
3/88 | 43% | 3.75 | RR | Money can not buy tenpai |
| 5 | 44 |
|
88/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |