Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date Oct. 13, 2024 (latest changes Oct. 13, 2024).
106 place (390.10).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (666.67 * 4.20 * 0.14 + 869.57 * 2.80 * 0.29 + 663.55 * 4.60 * 1 + 0 + 0) / (4.20 * 0.14 + 2.80 * 0.29 + 4.60 * 1 + 1 + 1) = 518.5009262337909
p2 = (663.55 * 4.60 * 1 + 869.57 * 2.80 * 0.29 + 666.67 * 4.20 * 0.14) / max_coefficients = 261.7085173501577
score = 518.5009262337909 * 0.5 + 261.7085173501577 * 0.5 = 390.10472179197427
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-10-13 | 95 -> 106 | 392.81 -> 390.10 | |
2024-10-11 | 97 -> 95 | 392.81 | |
2024-09-15 | 95 -> 97 | 392.81 | |
2024-09-06 | 91 -> 95 | 410.86 -> 392.81 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 92 -> 91 | 405.66 -> 410.86 | |
2024-09-01 | 82 -> 92 | 413.04 -> 405.66 | |
2024-08-26 | 85 -> 82 | 413.04 | |
2024-08-25 | 86 -> 85 | 413.04 | |
2024-08-18 | 75 -> 86 | 431.99 -> 413.04 |
Meeting in the billiard room: 43% -> 29% |
2024-08-11 | 79 -> 75 | 430.29 -> 431.99 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 664 |
|
37/108 | 100% | 4.60 | RR | X Russian Championship |
2 | 870 |
|
4/24 | 29% | 2.80 | CRR | Meeting in the billiard room |
3 | 667 |
|
26/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
4 | 164 |
|
47/56 | 0% | 3.30 | RR | Kirov Tournament |
5 | 128 |
|
35/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
6 | 852 |
|
5/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
7 | 590 |
|
35/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
8 | 383 |
|
30/48 | 0% | 3.10 | RR | Agari team tournament 2019 |