Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
43 place (422.28).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (603.60 * 4.05 * 0.43 + 426.67 * 4.20 * 0.71 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1 + 0) / (4.05 * 0.43 + 4.20 * 0.71 + 3.75 * 1 + 4 * 1 + 1) = 406.0199215624626
p2 = (420.56 * 4 * 1 + 390.80 * 3.75 * 1 + 426.67 * 4.20 * 0.71 + 603.60 * 4.05 * 0.43) / max_coefficients = 438.53822194493137
score = 406.0199215624626 * 0.5 + 438.53822194493137 * 0.5 = 422.279071753697
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-06 | 41 -> 43 | 422.45 -> 422.28 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 42 -> 41 | 422.45 | |
2023-12-12 | 41 -> 42 | 429.83 -> 422.45 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 38 -> 41 | 441.67 -> 429.83 |
Saint Petersburg Open 2021: 14% -> 0% |
2023-11-20 | 39 -> 38 | 441.67 | |
2023-11-06 | 42 -> 39 | 441.04 -> 441.67 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 42 | 447.28 -> 441.04 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 44 -> 42 | 444.31 -> 447.28 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 45 -> 44 | 444.31 | |
2023-09-06 | 44 -> 45 | 444.31 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 421 |
|
63/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 427 |
|
44/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
4 | 604 |
|
45/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
5 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |