Elkin Denis
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Jan. 22, 2025 (latest changes Jan. 7, 2025).
123 place (234.86).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (448.60 * 4 * 0.57 + 391.30 * 2.10 * 1 + 12.66 * 3.65 * 1 + 452.63 * 3.85 * 1 + 22.47 * 3.75 * 1) / (4 * 0.57 + 2.10 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1) = 237.92882908235055
p2 = (452.63 * 3.85 * 1 + 448.60 * 4 * 0.57 + 391.30 * 2.10 * 1 + 22.47 * 3.75 * 1) / max_coefficients = 231.7955835962145
score = 237.92882908235055 * 0.5 + 231.7955835962145 * 0.5 = 234.86220633928252
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-07 | 121 -> 123 | 234.86 | |
| 2025-01-03 | 119 -> 121 | 246.67 -> 234.86 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 121 -> 119 | 246.67 | |
| 2024-11-06 | 126 -> 121 | 246.67 | |
| 2024-11-03 | 124 -> 126 | 258.21 -> 246.67 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 113 -> 124 | 281.44 -> 258.21 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 114 -> 113 | 281.44 | |
| 2024-09-06 | 115 -> 114 | 281.44 | |
| 2024-09-03 | 113 -> 115 | 287.65 -> 281.44 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 118 -> 113 | 200.29 -> 287.65 |
SPB Riichi Open 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 22 |
|
88/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 453 |
|
53/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 3 | 13 |
|
79/80 | 100% | 3.65 | RR | Riichi over Volga |
| 4 | 391 |
|
29/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 5 | 449 |
|
60/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |