Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Sept. 2, 2023 (latest changes Sept. 2, 2023).
47 place (409.28).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (253.33 * 3.45 * 0.29 + 603.60 * 4.05 * 0.71 + 426.67 * 4.20 * 1 + 390.80 * 3.75 * 1 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1) = 409.5067419776779
p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 390.80 * 3.75 * 1 + 253.33 * 3.45 * 0.29) / max_coefficients = 409.0528439442599
score = 409.5067419776779 * 0.5 + 409.0528439442599 * 0.5 = 409.2797929609689
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-01 | 47 | 409.28 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 2 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 3 | 604 |
|
45/112 | 71% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 4 | 253 |
|
57/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |