Tumanina Valentina
From Samara, Russia
Common russian riichi rating (CRR)
Rating date June 19, 2025 (latest changes June 15, 2025).
18 place (712.44).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (887.64 * 3.75 * 1 + 857.14 * 2.60 * 1 + 685.71 * 3.50 * 1 + 447.76 * 4.10 * 1 + 588.79 * 4 * 0.29 + 691.59 * 4.60 * 0.86 + 978.72 * 2.80 * 1 + 784.81 * 3.65 * 1 + 294.74 * 3.85 * 1) / (3.75 * 1 + 2.60 * 1 + 3.50 * 1 + 4.10 * 1 + 4 * 0.29 + 4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 679.4619890057974
p2 = (887.64 * 3.75 * 1 + 784.81 * 3.65 * 1 + 978.72 * 2.80 * 1 + 691.59 * 4.60 * 0.86) / max_coefficients = 745.4192573385857
score = 679.4619890057974 * 0.5 + 745.4192573385857 * 0.5 = 712.4406231721915
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 15 -> 18 | 706.49 -> 712.44 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 10 -> 15 | 740.82 -> 706.49 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-08 | 9 -> 10 | 740.82 | |
| 2025-05-12 | 10 -> 9 | 738.97 -> 740.82 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 11 -> 10 | 738.97 | |
| 2025-05-03 | 15 -> 11 | 701.48 -> 738.97 |
SPB Riichi Open 2023: 43% -> 29% Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-11 | 15 | 700.84 -> 701.48 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-10 | 17 -> 15 | 700.84 | |
| 2025-03-03 | 17 | 700.34 -> 700.84 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-02-16 | 15 -> 17 | 700.34 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 448 |
|
38/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 2 | 686 |
|
23/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 3 | 857 |
|
7/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 4 | 0 |
|
24/24 | 100% | 2.80 | CRR | Riichi never changing | Moscow |
| 5 | 888 |
|
11/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 6 | 295 |
|
68/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 7 | 785 |
|
18/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 8 | 979 |
|
2/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 9 | 692 |
|
34/108 | 86% | 4.60 | RR | X Russian Championship | Perm |
| 10 | 589 |
|
45/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 11 | 575 |
|
38/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |
| 12 | 400 |
|
46/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |