Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date March 5, 2023 (latest changes March 5, 2023).
72 place (334.49).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (253.33 * 3.45 * 0.71 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 * 2.80 * 1 + 0) / (3.45 * 0.71 + 4.05 * 1 + 4.20 * 1 + 2.80 * 1 + 1) = 334.9027013638586
p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.71 + 0 * 2.80 * 1) / max_coefficients = 334.0817869415808
score = 334.9027013638586 * 0.5 + 334.0817869415808 * 0.5 = 334.4922441527197
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-02-25 | 70 -> 72 | 334.49 | |
| 2023-01-28 | 71 -> 70 | 335.61 -> 334.49 |
Saint Petersburg Open 2021: 86% -> 71% |
| 2023-01-14 | 69 -> 71 | 335.61 | |
| 2023-01-06 | 70 -> 69 | 335.61 | |
| 2023-01-03 | 72 -> 70 | 335.61 | |
| 2022-12-19 | 72 | 333.98 -> 335.61 | |
| 2022-12-18 | 64 -> 72 | 356.62 -> 333.98 |
Meeting in the billiard room: 0% -> 100% |
| 2022-12-03 | 64 | 356.62 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 0 |
|
24/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
| 2 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 604 |
|
45/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 253 |
|
57/76 | 71% | 3.45 | RR | Saint Petersburg Open 2021 |