Tumanina Valentina
From Samara, Russia
Common russian riichi rating (CRR)
Rating date July 21, 2026 (latest changes July 18, 2026).
56 place (587.75).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (784.81 * 3.65 * 0.14 + 294.74 * 3.85 * 0.14 + 887.64 * 3.75 * 0.29 + 857.14 * 2.60 * 0.57 + 685.71 * 3.50 * 0.71 + 447.76 * 4.10 * 0.86 + 792.21 * 3.45 * 1 + 387.10 * 3 * 1 + 490.91 * 3 * 1 + 540 * 3.10 * 1 + 404.76 * 2.90 * 1 + 657.34 * 4.71 * 1) / (3.65 * 0.14 + 3.85 * 0.14 + 3.75 * 0.29 + 2.60 * 0.57 + 3.50 * 0.71 + 4.10 * 0.86 + 3.45 * 1 + 3 * 1 + 3 * 1 + 3.10 * 1 + 2.90 * 1 + 4.71 * 1) = 583.6588187233299
p2 = (657.34 * 4.71 * 1 + 792.21 * 3.45 * 1 + 685.71 * 3.50 * 0.71 + 540 * 3.10 * 1) / max_coefficients = 591.8489082201168
score = 583.6588187233299 * 0.5 + 591.8489082201168 * 0.5 = 587.7538634717233
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-14 | 56 | 590.37 -> 587.75 |
Guardian of the Winds: 14% -> 0% |
| 2026-07-12 | 52 -> 56 | 590.37 | |
| 2026-07-03 | 51 -> 52 | 602.16 -> 590.37 |
Riichi over The Volga 2025: 86% -> 71% |
| 2026-07-01 | 53 -> 51 | 599.56 -> 602.16 |
SPB Riichi Open 2024: 29% -> 14% |
| 2026-06-15 | 52 -> 53 | 592.17 -> 599.56 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 56 -> 52 | 564.35 -> 592.17 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 56 | 567.43 -> 564.35 |
Moscow Riichi 2024: 43% -> 29% |
| 2026-06-04 | 55 -> 56 | 569.36 -> 567.43 |
Riichi over Volga: 29% -> 14% |
| 2026-06-02 | 56 -> 55 | 569.36 | |
| 2026-06-01 | 55 -> 56 | 569.36 |
Riichi never changing: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 657 |
|
50/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 405 |
|
26/43 | 100% | 2.90 | RR | Sturgeon in tempai | Saratov | |
| 3 | 540 |
|
24/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 4 | 491 |
|
29/56 | 100% | 3.00 | RR | Riichi On Ice 2026 | Samara | |
| 5 | 387 |
|
20/32 | 100% | 3.00 | RR | Final Cup 2025 | Moscow | |
| 6 | 792 |
|
17/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 7 | 448 |
|
38/68 | 86% | 4.10 | RR | 13 bloody tiles | Perm | |
| 8 | 686 |
|
23/71 | 71% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 9 | 857 |
|
7/43 | 57% | 2.60 | RR | Riichi On Ice | Samara | |
| 10 | 0 |
|
24/24 | 43% | 2.80 | CRR | Riichi never changing | Moscow | |
| 11 | 888 |
|
11/90 | 29% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 12 | 295 |
|
68/96 | 14% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 13 | 785 |
|
18/80 | 14% | 3.65 | RR | Riichi over Volga | Samara | |
| 14 | 979 |
|
🥈 | 2/48 | 0% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 15 | 692 |
|
34/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 16 | 589 |
|
45/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 17 | 575 |
|
38/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 18 | 400 |
|
46/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |