Tumanina Valentina
From Samara, Russia
Internal rating (RR)
Rating date Jan. 19, 2026 (latest changes Jan. 14, 2026).
24 place (672.31).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (691.59 * 4.60 * 0.29 + 978.72 * 2.80 * 0.43 + 784.81 * 3.65 * 0.57 + 294.74 * 3.85 * 0.57 + 887.64 * 3.75 * 0.71 + 857.14 * 2.60 * 1 + 685.71 * 3.50 * 1 + 792.21 * 3.45 * 1 + 387.10 * 3 * 1) / (4.60 * 0.29 + 2.80 * 0.43 + 3.65 * 0.57 + 3.85 * 0.57 + 3.75 * 0.71 + 2.60 * 1 + 3.50 * 1 + 3.45 * 1 + 3 * 1) = 693.1630382108572
p2 = (792.21 * 3.45 * 1 + 685.71 * 3.50 * 1 + 887.64 * 3.75 * 0.71 + 857.14 * 2.60 * 1) / max_coefficients = 651.4615384615386
score = 693.1630382108572 * 0.5 + 651.4615384615386 * 0.5 = 672.3122883361979
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-14 | 23 -> 24 | 674.86 -> 672.31 |
Guardian of the Winds: 57% -> 43% |
| 2026-01-12 | 23 | 674.76 -> 674.86 |
X Russian Championship: 43% -> 29% |
| 2026-01-10 | 24 -> 23 | 674.76 | |
| 2026-01-07 | 25 -> 24 | 674.76 | |
| 2026-01-01 | 25 | 671.98 -> 674.76 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-13 | 21 -> 25 | 689.93 -> 671.98 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-04 | 20 -> 21 | 690.81 -> 689.93 |
Riichi over Volga: 71% -> 57% |
| 2025-11-30 | 21 -> 20 | 687.39 -> 690.81 |
Final Cup 2025: 0% -> 100% |
| 2025-11-14 | 21 | 689.59 -> 687.39 |
Guardian of the Winds: 71% -> 57% |
| 2025-11-12 | 22 -> 21 | 689.53 -> 689.59 |
X Russian Championship: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 387 |
|
20/32 | 100% | 3.00 | RR | Final Cup 2025 | Moscow | |
| 2 | 792 |
|
17/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 3 | 448 |
|
38/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 686 |
|
23/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 857 |
|
7/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 6 | 888 |
|
11/90 | 71% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 7 | 295 |
|
68/96 | 57% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 8 | 785 |
|
18/80 | 57% | 3.65 | RR | Riichi over Volga | Samara | |
| 9 | 979 |
|
🥈 | 2/48 | 43% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 10 | 692 |
|
34/108 | 29% | 4.60 | RR | X Russian Championship | Perm | |
| 11 | 589 |
|
45/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 12 | 575 |
|
38/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 13 | 400 |
|
46/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |