Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
69 place (395.21).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (253.33 * 3.45 * 0.14 + 603.60 * 4.05 * 0.57 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1 + 318.18 * 2.10 * 1 + 426.67 * 4.20 * 0.86 + 0 * 2.80 * 1) / (3.45 * 0.14 + 4.05 * 0.57 + 3.75 * 1 + 4 * 1 + 2.10 * 1 + 4.20 * 0.86 + 2.80 * 1) = 360.68593185861675
p2 = (420.56 * 4 * 1 + 426.67 * 4.20 * 0.86 + 390.80 * 3.75 * 1 + 603.60 * 4.05 * 0.57) / max_coefficients = 429.7241943713771
score = 360.68593185861675 * 0.5 + 429.7241943713771 * 0.5 = 395.20506311499696
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2023-09-28 | 61 -> 59 | 411.38 -> 412.99 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 63 -> 61 | 411.38 | |
| 2023-09-06 | 65 -> 63 | 411.38 | |
| 2023-09-03 | 64 -> 65 | 372.09 -> 411.38 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-08-19 | 65 -> 64 | 372.09 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 318 |
|
16/23 | 100% | 2.10 | CRR | Mushroom League |
| 2 | 421 |
|
63/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 4 | 0 |
|
24/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
| 5 | 427 |
|
44/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |
| 6 | 604 |
|
45/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
| 7 | 253 |
|
57/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |