Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Jan. 28, 2023 (latest changes Jan. 28, 2023).
59 place (359.86).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 0.86) = 14.40701
p1 = (253.33 * 3.45 * 0.71 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 382.3157090009033
p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.71) / max_coefficients = 337.3975585496228
score = 382.3157090009033 * 0.5 + 337.3975585496228 * 0.5 = 359.85663377526305
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2022-10-14 | 60 | 274.06 |
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 | 71% | 3.45 | RR | Saint Petersburg Open 2021 |