Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
65 place (411.38).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (253.33 * 3.45 * 0.29 + 603.60 * 4.05 * 0.71 + 426.67 * 4.20 * 1 + 0 * 2.80 * 1 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 2.80 * 1 + 3.75 * 1 + 4 * 1) = 372.31125507150836
p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 420.56 * 4 * 1 + 390.80 * 3.75 * 1) / max_coefficients = 450.4458861349001
score = 372.31125507150836 * 0.5 + 450.4458861349001 * 0.5 = 411.37857060320425
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 64 -> 65 | 372.09 -> 411.38 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 65 -> 64 | 372.09 | |
2023-08-12 | 61 -> 65 | 381.18 -> 372.09 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 63 -> 61 | 383.77 -> 381.18 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-03 | 64 -> 63 | 383.77 | |
2023-06-19 | 67 -> 64 | 383.77 | |
2023-06-12 | 65 -> 67 | 391.94 -> 383.77 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 69 -> 65 | 340.58 -> 391.94 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 70 -> 69 | 343.64 -> 340.58 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 71 -> 70 | 337.43 -> 343.64 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 421 |
|
63/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 391 |
|
54/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 0 |
|
24/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
4 | 427 |
|
44/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
5 | 604 |
|
45/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
6 | 253 |
|
57/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |