Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).
42 place (441.04).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417
p1 = (253.33 * 3.45 * 0.14 + 603.60 * 4.05 * 0.57 + 426.67 * 4.20 * 1 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1) / (3.45 * 0.14 + 4.05 * 0.57 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 437.85412858490866
p2 = (426.67 * 4.20 * 1 + 420.56 * 4 * 1 + 390.80 * 3.75 * 1 + 603.60 * 4.05 * 0.57) / max_coefficients = 444.23194619806134
score = 437.85412858490866 * 0.5 + 444.23194619806134 * 0.5 = 441.043037391485
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-09-03 | 47 -> 44 | 409.28 -> 444.31 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 48 -> 47 | 409.28 | |
2023-08-12 | 47 -> 48 | 417.66 -> 409.28 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 47 | 419.39 -> 417.66 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 48 -> 47 | 411.73 -> 419.39 | |
2023-06-12 | 47 -> 48 | 419.39 -> 411.73 |
Moscow Riichi 2022: 100% -> 86% |
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 | 100% | 4.20 | RR | IX Russian Riichi Championship |
4 | 604 |
|
45/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
5 | 253 |
|
57/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |