Datkov Sergey
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Dec. 1, 2024 (latest changes Dec. 1, 2024).
143 place (261.80).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (578.95 * 2.10 * 0.71 + 296.30 * 2.30 * 0.86 + 555.56 * 2.30 * 1 + 0 + 0) / (2.10 * 0.71 + 2.30 * 0.86 + 2.30 * 1 + 1 + 1) = 351.3310411562455
p2 = (555.56 * 2.30 * 1 + 578.95 * 2.10 * 0.71 + 296.30 * 2.30 * 0.86) / max_coefficients = 172.25993690851737
score = 351.3310411562455 * 0.5 + 172.25993690851737 * 0.5 = 261.7954890323814
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-01 | 142 -> 143 | 261.80 | |
2024-11-05 | 145 -> 142 | 263.75 -> 261.80 |
Finding Dora: 100% -> 86% |
2024-10-27 | 143 -> 145 | 273.33 -> 263.75 |
13 tiles until tempai: 86% -> 71% |
2024-10-13 | 136 -> 143 | 275.29 -> 273.33 | |
2024-10-11 | 137 -> 136 | 275.29 | |
2024-09-15 | 135 -> 137 | 275.29 | |
2024-09-06 | 134 -> 135 | 275.29 | |
2024-09-03 | 136 -> 134 | 271.86 -> 275.29 | |
2024-09-01 | 124 -> 136 | 276.73 -> 271.86 | |
2024-08-27 | 123 -> 124 | 286.23 -> 276.73 |
13 tiles until tempai: 100% -> 86% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 556 |
|
13/28 | 100% | 2.30 | CRR | Chasing Kan |
2 | 296 |
|
20/28 | 86% | 2.30 | CRR | Finding Dora |
3 | 579 |
|
9/20 | 71% | 2.10 | CRR | 13 tiles until tempai |
4 | 737 |
|
6/20 | 0% | 2.10 | RR | Spring hope |
5 | 852 |
|
5/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 |
6 | 581 |
|
14/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
7 | 783 |
|
6/24 | 0% | 2.20 | RR | The first tournament of 2017 |
8 | 957 |
|
2/24 | 0% | 1.80 | RR | 4 riichi mahjong tournament 2015 |
9 | 158 |
|
17/20 | 0% | 1.70 | RR | Plitochka |
10 | 400 |
|
10/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 |
11 | 1000 |
|
1/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
12 | 526 |
|
10/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
13 | 842 |
|
4/20 | 0% | 1.30 | RR | Chelyabinsk riichi mahjong championship 2017 |