Igumensheva Elena
From Moscow, Russia
EMA: 15990453
Internal rating (RR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
96 place (419.02).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (450.98 * 3.05 * 0.29 + 392.52 * 4.60 * 0.43 + 862.75 * 3.05 * 0.43 + 265.82 * 3.65 * 0.57 + 810.53 * 3.85 * 0.71 + 67.42 * 3.75 * 0.86 + 387.10 * 3.10 * 1 + 607.84 * 3.05 * 1 + 66.67 * 2.45 * 1) / (3.05 * 0.29 + 4.60 * 0.43 + 3.05 * 0.43 + 3.65 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 3.10 * 1 + 3.05 * 1 + 2.45 * 1) = 409.2309770713557
p2 = (810.53 * 3.85 * 0.71 + 607.84 * 3.05 * 1 + 387.10 * 3.10 * 1 + 862.75 * 3.05 * 0.43) / max_coefficients = 428.8107023411371
score = 409.2309770713557 * 0.5 + 428.8107023411371 * 0.5 = 419.0208397062464
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-09 | 88 -> 96 | 436.24 -> 419.02 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-07 | 87 -> 88 | 436.24 | |
| 2025-12-04 | 91 -> 87 | 434.41 -> 436.24 |
Riichi over Volga: 71% -> 57% |
| 2025-11-30 | 93 -> 91 | 434.41 | |
| 2025-11-12 | 93 | 434.08 -> 434.41 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 93 | 434.43 -> 434.08 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 86 -> 93 | 444.75 -> 434.43 | |
| 2025-11-01 | 80 -> 86 | 464.10 -> 444.75 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 85 -> 80 | 452.44 -> 464.10 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 80 -> 85 | 469.14 -> 452.44 |
Agari Summer Tournament 2024: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | 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 | 86% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 5 | 811 |
|
19/96 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 6 | 266 |
|
59/80 | 57% | 3.65 | RR | Riichi over Volga | Samara | |
| 7 | 863 |
|
8/52 | 43% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 8 | 393 |
|
66/108 | 43% | 4.60 | RR | X Russian Championship | Perm | |
| 9 | 451 |
|
29/52 | 29% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 10 | 514 |
|
53/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 11 | 80 |
|
70/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 12 | 658 |
|
39/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 13 | 298 |
|
34/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 14 | 129 |
|
28/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 15 | 586 |
|
47/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |