Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date May 6, 2023 (latest changes May 6, 2023).
9 place (609.63).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (706.67 * 3.45 * 0.57 + 106.38 * 3.10 * 0.57 + 701.49 * 3.50 * 0.86 + 936.94 * 4.05 * 1 + 200 * 4.20 * 1 + 652.17 * 2.80 * 1) / (3.45 * 0.57 + 3.10 * 0.57 + 3.50 * 0.86 + 4.05 * 1 + 4.20 * 1 + 2.80 * 1) = 570.271102688096
p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 0.86 + 652.17 * 2.80 * 1 + 706.67 * 3.45 * 0.57) / max_coefficients = 648.9834411043536
score = 570.271102688096 * 0.5 + 648.9834411043536 * 0.5 = 609.6272718962248
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-06 | 11 -> 9 | 609.63 | |
2023-04-19 | 14 -> 11 | 603.99 -> 609.63 |
Agari team tournament: 71% -> 57% |
2023-03-28 | 12 -> 14 | 618.33 -> 603.99 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 12 | 620.61 -> 618.33 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 13 -> 12 | 620.61 | |
2023-02-25 | 12 -> 13 | 620.61 | |
2023-02-19 | 14 -> 12 | 615.44 -> 620.61 |
Agari team tournament: 86% -> 71% |
2023-01-28 | 13 -> 14 | 625.51 -> 615.44 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-19 | 14 -> 13 | 617.31 -> 625.51 |
Agari team tournament: 100% -> 86% |
2022-12-18 | 18 -> 14 | 576.08 -> 617.31 |
Meeting in the billiard room: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 652 |
|
9/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
2 | 200 |
|
61/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 937 |
|
8/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
4 | 701 |
|
21/68 | 86% | 3.50 | RR | Tenpai can't buy happiness |
5 | 106 |
|
43/48 | 57% | 3.10 | RR | Agari team tournament |
6 | 707 |
|
23/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |
7 | 323 |
|
22/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
8 | 477 |
|
59/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
9 | 371 |
|
23/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
10 | 254 |
|
48/64 | 0% | 3.45 | EMA | White Dragon Tournament |