Igumensheva Elena
From Moscow, Russia
EMA: 15990453
Common russian riichi rating (CRR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
80 place (500.47).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (1000 * 2.10 * 0.14 + 307.69 * 2.90 * 0.29 + 450.98 * 3.05 * 0.57 + 392.52 * 4.60 * 0.71 + 862.75 * 3.05 * 0.71 + 265.82 * 3.65 * 0.86 + 810.53 * 3.85 * 0.86 + 387.10 * 3.10 * 1 + 607.84 * 3.05 * 1 + 66.67 * 2.45 * 1) / (2.10 * 0.14 + 2.90 * 0.29 + 3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.65 * 0.86 + 3.85 * 0.86 + 3.10 * 1 + 3.05 * 1 + 2.45 * 1) = 480.81463668411726
p2 = (810.53 * 3.85 * 0.86 + 862.75 * 3.05 * 0.71 + 607.84 * 3.05 * 1 + 392.52 * 4.60 * 0.71) / max_coefficients = 520.1256756756757
score = 480.81463668411726 * 0.5 + 520.1256756756757 * 0.5 = 500.47015617989643
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 80 | 500.87 -> 500.47 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 76 -> 80 | 512.39 -> 500.87 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 69 -> 76 | 512.39 | |
| 2025-08-26 | 70 -> 69 | 512.39 | |
| 2025-08-22 | 70 | 515.48 -> 512.39 |
Mushroom League: 29% -> 14% |
| 2025-08-09 | 67 -> 70 | 531.01 -> 515.48 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 66 -> 67 | 525.89 -> 531.01 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 67 -> 66 | 525.89 | |
| 2025-07-26 | 68 -> 67 | 524.39 -> 525.89 |
Autumn Agari tournament: 43% -> 29% |
| 2025-07-13 | 63 -> 68 | 546.46 -> 524.39 |
Agari Summer Tournament 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 67 |
|
29/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 2 | 608 |
|
21/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 3 | 387 |
|
20/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 4 | 67 |
|
84/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 5 | 811 |
|
19/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 6 | 266 |
|
59/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 7 | 863 |
|
8/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 8 | 393 |
|
66/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 9 | 451 |
|
29/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 10 | 308 |
|
28/40 | 29% | 2.90 | CRR | Autumn Agari tournament | Moscow | |
| 11 | 1000 |
|
🥇 | 1/23 | 14% | 2.10 | CRR | Mushroom League | Moscow |
| 12 | 514 |
|
53/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 13 | 80 |
|
70/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 14 | 658 |
|
39/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 15 | 298 |
|
34/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 16 | 129 |
|
28/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 17 | 586 |
|
47/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |