Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).
61 place (358.25).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995
p1 = (253.33 * 3.45 * 0.86 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.86 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 377.5044966701359
p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.86) / max_coefficients = 339.00195111237883
score = 377.5044966701359 * 0.5 + 339.00195111237883 * 0.5 = 358.25322389125733
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-12-19 | 61 | 356.62 -> 358.25 | |
| 2022-11-28 | 62 -> 61 | 354.63 -> 356.62 |
Saint Petersburg Open 2021: 100% -> 86% |
| 2022-11-06 | 61 -> 62 | 274.06 -> 354.63 |
IX Russian Riichi Championship: 0% -> 100% |
| 2022-06-12 | 61 | 274.06 |
Moscow Riichi 2022: 0% -> 100% |
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 | 86% | 3.45 | RR | Saint Petersburg Open 2021 |