Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
67 place (400.17).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (0 * 2.80 * 0.86 + 603.60 * 4.05 * 0.43 + 426.67 * 4.20 * 0.86 + 420.56 * 4 * 1 + 318.18 * 2.10 * 1 + 461.54 * 2.90 * 1 + 390.80 * 3.75 * 1) / (2.80 * 0.86 + 4.05 * 0.43 + 4.20 * 0.86 + 4 * 1 + 2.10 * 1 + 2.90 * 1 + 3.75 * 1) = 377.73345380861514
p2 = (420.56 * 4 * 1 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 461.54 * 2.90 * 1) / max_coefficients = 422.61165404194577
score = 377.73345380861514 * 0.5 + 422.61165404194577 * 0.5 = 400.17255392528045
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 69 -> 67 | 400.17 | |
2023-12-18 | 70 -> 69 | 396.55 -> 400.17 |
Meeting in the billiard room: 100% -> 86% |
2023-12-12 | 69 -> 70 | 401.74 -> 396.55 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 70 -> 69 | 400.36 -> 401.74 |
Saint Petersburg Open 2021: 14% -> 0% |
2023-11-26 | 69 -> 70 | 395.21 -> 400.36 |
Autumn Agari tournament: 0% -> 100% |
2023-11-06 | 67 -> 69 | 396.15 -> 395.21 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 63 -> 67 | 396.15 | |
2023-10-22 | 60 -> 63 | 398.81 -> 396.15 |
Mushroom League: 0% -> 100% |
2023-10-19 | 61 -> 60 | 398.81 | |
2023-10-12 | 59 -> 61 | 412.99 -> 398.81 |
Moscow Riichi 2022: 71% -> 57% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 462 |
|
22/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
2 | 318 |
|
16/23 | 100% | 2.10 | CRR | Mushroom League |
3 | 421 |
|
63/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
4 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai |
5 | 0 |
|
24/24 | 86% | 2.80 | CRR | Meeting in the billiard room |
6 | 427 |
|
44/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |
7 | 604 |
|
45/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
8 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |