Elkin Denis
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date May 16, 2026 (latest changes May 15, 2026).
102 place (442.88).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (12.66 * 3.65 * 0.29 + 452.63 * 3.85 * 0.29 + 22.47 * 3.75 * 0.43 + 220.34 * 3.25 * 0.71 + 800 * 1.90 * 0.86 + 471.43 * 3.50 * 0.86 + 358.21 * 4.10 * 1 + 701.30 * 3.45 * 1 + 666.67 * 1.70 * 1) / (3.65 * 0.29 + 3.85 * 0.29 + 3.75 * 0.43 + 3.25 * 0.71 + 1.90 * 0.86 + 3.50 * 0.86 + 4.10 * 1 + 3.45 * 1 + 1.70 * 1) = 440.96549266246336
p2 = (701.30 * 3.45 * 1 + 358.21 * 4.10 * 1 + 471.43 * 3.50 * 0.86 + 800 * 1.90 * 0.86) / max_coefficients = 444.79124579124584
score = 440.96549266246336 * 0.5 + 444.79124579124584 * 0.5 = 442.8783692268546
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-14 | 103 -> 102 | 442.88 | |
| 2026-05-12 | 104 -> 103 | 442.88 | |
| 2026-05-03 | 98 -> 104 | 449.65 -> 442.88 |
Riichi over The Volga 2025: 100% -> 86% |
| 2026-05-02 | 99 -> 98 | 449.65 | |
| 2026-05-01 | 101 -> 99 | 449.79 -> 449.65 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-26 | 97 -> 101 | 459.34 -> 449.79 |
Seihoku spring tournament 2025: 100% -> 86% |
| 2026-04-19 | 92 -> 97 | 459.34 | |
| 2026-04-16 | 93 -> 92 | 456.93 -> 459.34 |
White Wolf Cup: 86% -> 71% |
| 2026-04-13 | 98 -> 93 | 451.89 -> 456.93 |
Moscow Riichi 2024: 57% -> 43% |
| 2026-04-11 | 103 -> 98 | 442.17 -> 451.89 |
Seihoku spring tournament 2026: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 667 |
|
11/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg | |
| 2 | 701 |
|
24/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 3 | 358 |
|
44/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 471 |
|
38/71 | 86% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 800 |
|
8/36 | 86% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 6 | 220 |
|
47/60 | 71% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 7 | 22 |
|
88/90 | 43% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 8 | 453 |
|
53/96 | 29% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 9 | 13 |
|
79/80 | 29% | 3.65 | RR | Riichi over Volga | Samara | |
| 10 | 391 |
|
29/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 11 | 449 |
|
60/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 12 | 304 |
|
17/24 | 0% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg |