Elkin Denis
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date March 10, 2025 (latest changes March 10, 2025).
175 place (242.28).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (22.47 * 3.75 * 1 + 304.35 * 1.40 * 0.14 + 448.60 * 4 * 0.43 + 391.30 * 2.10 * 1 + 12.66 * 3.65 * 1 + 452.63 * 3.85 * 1 + 220.34 * 3.25 * 1) / (3.75 * 1 + 1.40 * 0.14 + 4 * 0.43 + 2.10 * 1 + 3.65 * 1 + 3.85 * 1 + 3.25 * 1) = 229.05934064509583
p2 = (452.63 * 3.85 * 1 + 391.30 * 2.10 * 1 + 448.60 * 4 * 0.43 + 220.34 * 3.25 * 1) / max_coefficients = 255.49211356466876
score = 229.05934064509583 * 0.5 + 255.49211356466876 * 0.5 = 242.2757271048823
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-03 | 170 -> 175 | 253.64 -> 242.28 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 167 -> 170 | 253.64 | |
| 2025-02-26 | 168 -> 167 | 253.64 | |
| 2025-02-25 | 171 -> 168 | 253.64 | |
| 2025-02-22 | 171 | 254.00 -> 253.64 |
Fire cup 2023: 29% -> 14% |
| 2025-02-16 | 171 | 236.87 -> 254.00 |
White Wolf Cup: 0% -> 100% |
| 2025-02-02 | 164 -> 171 | 236.87 | |
| 2025-01-26 | 157 -> 164 | 236.87 | |
| 2025-01-07 | 155 -> 157 | 236.87 | |
| 2025-01-04 | 152 -> 155 | 236.87 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 220 |
|
47/60 | 100% | 3.25 | RR | White Wolf Cup |
| 2 | 22 |
|
88/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 453 |
|
53/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 4 | 13 |
|
79/80 | 100% | 3.65 | RR | Riichi over Volga |
| 5 | 391 |
|
29/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 6 | 449 |
|
60/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 |
| 7 | 304 |
|
17/24 | 14% | 1.40 | CRR | Fire cup 2023 |