Elkin Denis
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 16, 2026 (latest changes Sept. 15, 2026).
65 place (577.10).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (22.47 * 3.75 * 0.14 + 220.34 * 3.25 * 0.43 + 800 * 1.90 * 0.57 + 471.43 * 3.50 * 0.57 + 358.21 * 4.10 * 0.71 + 701.30 * 3.45 * 0.86 + 666.67 * 1.70 * 1 + 881.12 * 4.71 * 1) / (3.75 * 0.14 + 3.25 * 0.43 + 1.90 * 0.57 + 3.50 * 0.57 + 4.10 * 0.71 + 3.45 * 0.86 + 1.70 * 1 + 4.71 * 1) = 608.6940446597085
p2 = (881.12 * 4.71 * 1 + 701.30 * 3.45 * 0.86 + 666.67 * 1.70 * 1 + 358.21 * 4.10 * 0.71) / max_coefficients = 545.5029201817001
score = 608.6940446597085 * 0.5 + 545.5029201817001 * 0.5 = 577.0984824207044
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-13 | 66 -> 65 | 577.10 | |
| 2026-09-06 | 62 -> 66 | 577.10 | |
| 2026-09-03 | 60 -> 62 | 579.37 -> 577.10 |
Riichi over The Volga 2025: 71% -> 57% |
| 2026-09-02 | 61 -> 60 | 579.37 | |
| 2026-09-01 | 63 -> 61 | 577.09 -> 579.37 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 58 -> 63 | 588.70 -> 577.09 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-26 | 55 -> 58 | 590.10 -> 588.70 |
Seihoku spring tournament 2025: 71% -> 57% |
| 2026-08-16 | 59 -> 55 | 585.53 -> 590.10 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 58 -> 59 | 584.00 -> 585.53 |
13 bloody tiles: 86% -> 71% |
| 2026-08-14 | 59 -> 58 | 584.00 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 881 |
|
18/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 667 |
|
11/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg | |
| 3 | 701 |
|
24/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 4 | 358 |
|
44/68 | 71% | 4.10 | RR | 13 bloody tiles | Perm | |
| 5 | 471 |
|
38/71 | 57% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 6 | 800 |
|
8/36 | 57% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 7 | 220 |
|
47/60 | 43% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 8 | 22 |
|
88/90 | 14% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 9 | 453 |
|
53/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 13 |
|
79/80 | 0% | 3.65 | RR | Riichi over Volga | Samara | |
| 11 | 391 |
|
29/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 12 | 449 |
|
60/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 13 | 304 |
|
17/24 | 0% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg |