Sharafutdinova Gulnara
From Samara, Russia
EMA: 15990366
Common russian riichi rating (CRR)
Rating date March 14, 2025 (latest changes March 10, 2025).
91 place (430.64).
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 * 0.29 + 158.88 * 4 * 0.43 + 914.89 * 2.80 * 1 + 126.58 * 3.65 * 1 + 619.05 * 2.60 * 1) / (3.75 * 0.29 + 4 * 0.43 + 2.80 * 1 + 3.65 * 1 + 2.60 * 1) = 502.9142578327147
p2 = (914.89 * 2.80 * 1 + 619.05 * 2.60 * 1 + 977.01 * 3.75 * 0.29 + 126.58 * 3.65 * 1) / max_coefficients = 358.35962145110403
score = 502.9142578327147 * 0.5 + 358.35962145110403 * 0.5 = 430.6369396419094
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-03 | 92 -> 91 | 422.72 -> 430.64 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 91 -> 92 | 422.72 | |
| 2025-02-25 | 95 -> 91 | 422.72 | |
| 2025-02-22 | 96 -> 95 | 422.72 | |
| 2025-02-16 | 91 -> 96 | 422.72 | |
| 2025-02-11 | 83 -> 91 | 449.38 -> 422.72 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 80 -> 83 | 449.38 | |
| 2025-01-26 | 107 -> 80 | 374.89 -> 449.38 |
Riichi On Ice: 0% -> 100% |
| 2025-01-07 | 104 -> 107 | 374.89 | |
| 2025-01-03 | 106 -> 104 | 371.09 -> 374.89 |
SPB Riichi Open 2023: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 619 |
|
17/43 | 100% | 2.60 | RR | Riichi On Ice |
| 2 | 127 |
|
70/80 | 100% | 3.65 | RR | Riichi over Volga |
| 3 | 915 |
|
5/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 4 | 159 |
|
91/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 |
| 5 | 977 |
|
3/88 | 29% | 3.75 | RR | Money can not buy tenpai |
| 6 | 895 |
|
3/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |
| 7 | 44 |
|
88/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |