Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Feb. 18, 2023 (latest changes Feb. 18, 2023).
59 place (359.86).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 0.86) = 14.40701
p1 = (253.33 * 3.45 * 0.71 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 382.3157090009033
p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.71) / max_coefficients = 337.3975585496228
score = 382.3157090009033 * 0.5 + 337.3975585496228 * 0.5 = 359.85663377526305
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-02-18 | 59 | 359.86 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
| 2 | 604 |
|
45/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
| 3 | 253 |
|
57/76 | 71% | 3.45 | RR | Saint Petersburg Open 2021 |