Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
48 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 |
---|---|---|---|
2023-08-12 | 47 -> 48 | 417.66 -> 409.28 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 47 | 419.39 -> 417.66 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 48 -> 47 | 411.73 -> 419.39 | |
2023-06-12 | 47 -> 48 | 419.39 -> 411.73 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 47 | 380.71 -> 419.39 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 49 -> 47 | 379.90 -> 380.71 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 50 -> 49 | 372.87 -> 379.90 | |
2023-05-06 | 51 -> 50 | 372.87 | |
2023-04-19 | 53 -> 51 | 369.63 -> 372.87 | |
2023-03-28 | 55 -> 53 | 368.38 -> 369.63 |
Saint Petersburg Open 2021: 71% -> 57% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 604 |
|
45/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
4 | 253 |
|
57/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |