Ogienko Alexei
From Murmansk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).
142 place (340.66).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (493.67 * 3.65 * 0.86 + 767.44 * 3 * 1 + 0 + 0 + 0) / (3.65 * 0.86 + 3 * 1 + 1 + 1 + 1) = 421.40283937572946
p2 = (767.44 * 3 * 1 + 493.67 * 3.65 * 0.86) / max_coefficients = 259.91486486486485
score = 421.40283937572946 * 0.5 + 259.91486486486485 * 0.5 = 340.6588521202972
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 145 -> 142 | 340.66 | |
| 2025-09-01 | 145 | 337.24 -> 340.66 | |
| 2025-08-31 | 144 -> 145 | 337.24 | |
| 2025-08-26 | 145 -> 144 | 337.24 | |
| 2025-08-04 | 140 -> 145 | 346.34 -> 337.24 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 140 | 346.34 |
Two roosters and Chuckles: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 767 |
|
11/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 2 | 494 |
|
41/80 | 86% | 3.65 | RR | Riichi over Volga | Samara |