Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Internal rating (RR)
Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).
95 place (284.44).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (163.64 * 3.30 * 0.14 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.14 + 4.20 * 1 + 1 + 1 + 1) = 375.0431789060127
p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.14) / max_coefficients = 193.8413040834634
score = 375.0431789060127 * 0.5 + 193.8413040834634 * 0.5 = 284.442241494738
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-06 | 97 -> 95 | 280.92 -> 284.44 |
Kirov Tournament: 29% -> 14% |
2023-09-03 | 77 -> 97 | 296.42 -> 280.92 | |
2023-08-12 | 81 -> 77 | 291.46 -> 296.42 | |
2023-07-28 | 83 -> 81 | 291.46 | |
2023-07-20 | 83 | 287.51 -> 291.46 | |
2023-07-06 | 85 -> 83 | 284.83 -> 287.51 |
Kirov Tournament: 43% -> 29% |
2023-06-19 | 87 -> 85 | 284.83 | |
2023-06-12 | 88 -> 87 | 280.48 -> 284.83 | |
2023-06-11 | 68 -> 88 | 297.00 -> 280.48 | |
2023-05-28 | 71 -> 68 | 295.10 -> 297.00 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 667 |
|
26/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 164 |
|
47/56 | 14% | 3.30 | RR | Kirov Tournament |
3 | 128 |
|
35/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
4 | 852 |
|
5/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
5 | 590 |
|
35/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
6 | 383 |
|
30/48 | 0% | 3.10 | RR | Agari team tournament 2019 |