Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date April 19, 2023 (latest changes April 19, 2023).
70 place (337.43).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (253.33 * 3.45 * 0.57 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 * 2.80 * 1 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 2.80 * 1 + 1) = 337.7703826955075
p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.57 + 0 * 2.80 * 1) / max_coefficients = 337.08473755947574
score = 337.7703826955075 * 0.5 + 337.08473755947574 * 0.5 = 337.42756012749163
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-04-19 | 71 -> 70 | 337.43 | |
2023-03-28 | 72 -> 71 | 340.44 -> 337.43 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 72 | 334.49 -> 340.44 | |
2023-02-25 | 70 -> 72 | 334.49 | |
2023-01-28 | 71 -> 70 | 335.61 -> 334.49 |
Saint Petersburg Open 2021: 86% -> 71% |
2023-01-14 | 69 -> 71 | 335.61 | |
2023-01-06 | 70 -> 69 | 335.61 | |
2023-01-03 | 72 -> 70 | 335.61 | |
2022-12-19 | 72 | 333.98 -> 335.61 | |
2022-12-18 | 64 -> 72 | 356.62 -> 333.98 |
Meeting in the billiard room: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 0 |
|
24/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
2 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 604 |
|
45/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
4 | 253 |
|
57/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |