Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date May 6, 2023 (latest changes May 6, 2023).
50 place (372.87).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118
p1 = (253.33 * 3.45 * 0.57 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 387.5183797508127
p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.57) / max_coefficients = 358.21235320901764
score = 387.5183797508127 * 0.5 + 358.21235320901764 * 0.5 = 372.86536647991517
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2023-03-20 | 56 -> 55 | 362.14 -> 368.38 | |
2023-03-06 | 59 -> 56 | 362.14 | |
2023-02-19 | 59 | 359.86 -> 362.14 | |
2023-01-28 | 60 -> 59 | 358.25 -> 359.86 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-19 | 60 | 356.62 -> 358.25 | |
2022-11-28 | 61 -> 60 | 354.63 -> 356.62 |
Saint Petersburg Open 2021: 100% -> 86% |
2022-11-06 | 60 -> 61 | 274.06 -> 354.63 |
IX Russian Riichi Championship: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 604 |
|
45/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 253 |
|
57/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |