Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Sept. 27, 2023 (latest changes Sept. 27, 2023).
44 place (444.31).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (253.33 * 3.45 * 0.29 + 603.60 * 4.05 * 0.71 + 426.67 * 4.20 * 1 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 438.1713331202167
p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 420.56 * 4 * 1 + 390.80 * 3.75 * 1) / max_coefficients = 450.4458861349001
score = 438.1713331202167 * 0.5 + 450.4458861349001 * 0.5 = 444.3086096275584
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2023-09-01 | 47 | 409.28 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 421 |
|
63/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 4 | 604 |
|
45/112 | 71% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 5 | 253 |
|
57/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |