Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
90 place (406.97).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (426.67 * 4.20 * 0.14 + 0 * 2.80 * 0.29 + 390.80 * 3.75 * 0.71 + 420.56 * 4 * 0.86 + 318.18 * 2.10 * 1 + 461.54 * 2.90 * 1 + 666.67 * 3.05 * 1 + 413.04 * 2.10 * 1 + 473.68 * 1.50 * 1) / (4.20 * 0.14 + 2.80 * 0.29 + 3.75 * 0.71 + 4 * 0.86 + 2.10 * 1 + 2.90 * 1 + 3.05 * 1 + 2.10 * 1 + 1.50 * 1) = 436.5280562129103
p2 = (666.67 * 3.05 * 1 + 420.56 * 4 * 0.86 + 461.54 * 2.90 * 1 + 390.80 * 3.75 * 0.71) / max_coefficients = 377.4026944179696
score = 436.5280562129103 * 0.5 + 377.4026944179696 * 0.5 = 406.9653753154399
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 93 -> 90 | 406.82 -> 406.97 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 91 -> 93 | 407.36 -> 406.82 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 81 -> 91 | 417.27 -> 407.36 | |
| 2024-08-26 | 83 -> 81 | 417.27 | |
| 2024-08-25 | 84 -> 83 | 417.27 | |
| 2024-08-18 | 86 -> 84 | 413.06 -> 417.27 |
Meeting in the billiard room: 43% -> 29% |
| 2024-08-11 | 85 -> 86 | 417.25 -> 413.06 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 75 -> 85 | 425.49 -> 417.25 | |
| 2024-07-14 | 71 -> 75 | 425.49 | |
| 2024-07-06 | 73 -> 71 | 425.49 |
IX Russian Riichi Championship: 43% -> 29% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 474 |
|
11/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
| 2 | 19 |
|
106/108 | 100% | 4.60 | RR | X Russian Championship |
| 3 | 413 |
|
28/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 4 | 667 |
|
18/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 5 | 462 |
|
22/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 6 | 318 |
|
16/23 | 100% | 2.10 | CRR | Mushroom League |
| 7 | 421 |
|
63/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
| 8 | 391 |
|
54/88 | 71% | 3.75 | RR | Money can not buy tenpai |
| 9 | 0 |
|
24/24 | 29% | 2.80 | CRR | Meeting in the billiard room |
| 10 | 427 |
|
44/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
| 11 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 12 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |