Elkin Denis
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Aug. 25, 2026 (latest changes Aug. 16, 2026).
51 place (590.10).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999
p1 = (452.63 * 3.85 * 0.14 + 22.47 * 3.75 * 0.14 + 220.34 * 3.25 * 0.43 + 800 * 1.90 * 0.71 + 471.43 * 3.50 * 0.71 + 358.21 * 4.10 * 0.71 + 701.30 * 3.45 * 1 + 666.67 * 1.70 * 1 + 881.12 * 4.71 * 1) / (3.85 * 0.14 + 3.75 * 0.14 + 3.25 * 0.43 + 1.90 * 0.71 + 3.50 * 0.71 + 4.10 * 0.71 + 3.45 * 1 + 1.70 * 1 + 4.71 * 1) = 605.7180086212486
p2 = (881.12 * 4.71 * 1 + 701.30 * 3.45 * 1 + 471.43 * 3.50 * 0.71 + 666.67 * 1.70 * 1) / max_coefficients = 574.4812419146184
score = 605.7180086212486 * 0.5 + 574.4812419146184 * 0.5 = 590.0996252679336
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-16 | 51 | 585.53 -> 590.10 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 51 | 584.00 -> 585.53 |
13 bloody tiles: 86% -> 71% |
| 2026-08-13 | 55 -> 51 | 576.67 -> 584.00 |
Moscow Riichi 2024: 29% -> 14% |
| 2026-08-04 | 52 -> 55 | 589.89 -> 576.67 |
Riichi over Volga: 14% -> 0% |
| 2026-08-02 | 50 -> 52 | 589.89 | |
| 2026-07-14 | 51 -> 50 | 589.89 | |
| 2026-07-12 | 48 -> 51 | 589.89 | |
| 2026-07-03 | 49 -> 48 | 595.67 -> 589.89 |
Riichi over The Volga 2025: 86% -> 71% |
| 2026-07-01 | 49 | 593.54 -> 595.67 |
SPB Riichi Open 2024: 29% -> 14% |
| 2026-06-26 | 49 | 596.42 -> 593.54 |
Seihoku spring tournament 2025: 86% -> 71% |
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 | 100% | 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 | 71% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 6 | 800 |
|
8/36 | 71% | 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 | 14% | 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 |