Elkin Denis
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Dec. 22, 2024 (latest changes Dec. 22, 2024).
148 place (248.56).
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 * 0.71 + 391.30 * 2.10 * 1 + 12.66 * 3.65 * 1 + 304.35 * 1.40 * 0.29 + 452.63 * 3.85 * 1 + 22.47 * 3.75 * 1) / (4 * 0.71 + 2.10 * 1 + 3.65 * 1 + 1.40 * 0.29 + 3.85 * 1 + 3.75 * 1) = 246.77880290332254
p2 = (452.63 * 3.85 * 1 + 448.60 * 4 * 0.71 + 391.30 * 2.10 * 1 + 304.35 * 1.40 * 0.29) / max_coefficients = 250.3362776025237
score = 246.77880290332254 * 0.5 + 250.3362776025237 * 0.5 = 248.5575402529231
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-22 | 146 -> 148 | 250.82 -> 248.56 |
Fire cup 2023: 43% -> 29% |
| 2024-12-18 | 147 -> 146 | 250.82 | |
| 2024-12-01 | 146 -> 147 | 250.82 | |
| 2024-11-05 | 149 -> 146 | 250.82 | |
| 2024-11-03 | 147 -> 149 | 262.21 -> 250.82 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-27 | 148 -> 147 | 262.21 | |
| 2024-10-22 | 148 | 264.42 -> 262.21 |
Fire cup 2023: 57% -> 43% |
| 2024-10-13 | 129 -> 148 | 298.74 -> 264.42 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 131 -> 129 | 298.74 | |
| 2024-09-15 | 129 -> 131 | 298.74 |
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 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 6 | 304 |
|
17/24 | 29% | 1.40 | CRR | Fire cup 2023 |