Elkin Denis
From Saint Petersburg, Russia
Internal rating (RR)
Rating date July 11, 2025 (latest changes July 10, 2025).
112 place (358.76).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (471.43 * 3.50 * 1 + 220.34 * 3.25 * 1 + 22.47 * 3.75 * 1 + 358.21 * 4.10 * 1 + 448.60 * 4 * 0.14 + 391.30 * 2.10 * 0.71 + 800 * 1.90 * 1 + 452.63 * 3.85 * 1 + 12.66 * 3.65 * 1) / (3.50 * 1 + 3.25 * 1 + 3.75 * 1 + 4.10 * 1 + 4 * 0.14 + 2.10 * 0.71 + 1.90 * 1 + 3.85 * 1 + 3.65 * 1) = 309.57979995880584
p2 = (452.63 * 3.85 * 1 + 471.43 * 3.50 * 1 + 800 * 1.90 * 1 + 358.21 * 4.10 * 1) / max_coefficients = 407.94148821236286
score = 309.57979995880584 * 0.5 + 407.94148821236286 * 0.5 = 358.7606440855843
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-03 | 113 -> 112 | 360.25 -> 358.76 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 117 -> 113 | 337.37 -> 360.25 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 119 -> 117 | 337.37 | |
| 2025-05-30 | 118 -> 119 | 337.95 -> 337.37 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-12 | 122 -> 118 | 330.26 -> 337.95 | |
| 2025-05-10 | 123 -> 122 | 330.26 | |
| 2025-05-03 | 131 -> 123 | 289.94 -> 330.26 |
Riichi over The Volga 2025: 0% -> 100% SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-26 | 151 -> 131 | 236.80 -> 289.94 |
Seihoku spring tournament 2025: 0% -> 100% |
| 2025-04-11 | 153 -> 151 | 236.80 | |
| 2025-03-30 | 152 -> 153 | 241.86 -> 236.80 |
Seihoku spring tournament 2024: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 358 |
|
44/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 2 | 471 |
|
38/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 3 | 800 |
|
8/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg |
| 4 | 220 |
|
47/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 5 | 22 |
|
88/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 6 | 453 |
|
53/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 7 | 13 |
|
79/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 8 | 391 |
|
29/47 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 9 | 449 |
|
60/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |