Ermolaev Andrei
From Sarov, Russia
EMA: 15990413
Common russian riichi rating (CRR)
Rating date Dec. 1, 2024 (latest changes Dec. 1, 2024).
101 place (391.31).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (869.57 * 2.80 * 0.14 + 663.55 * 4.60 * 1 + 478.26 * 2.80 * 1 + 0 + 0) / (2.80 * 0.14 + 4.60 * 1 + 2.80 * 1 + 1 + 1) = 483.6063231878793
p2 = (663.55 * 4.60 * 1 + 478.26 * 2.80 * 1 + 869.57 * 2.80 * 0.14) / max_coefficients = 299.0157728706625
score = 483.6063231878793 * 0.5 + 299.0157728706625 * 0.5 = 391.31104802927086
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-01 | 125 -> 101 | 319.78 -> 391.31 |
Riichi never changing: 0% -> 100% |
2024-11-05 | 112 -> 125 | 369.90 -> 319.78 | |
2024-11-04 | 111 -> 112 | 369.90 | |
2024-11-03 | 113 -> 111 | 369.90 | |
2024-10-25 | 115 -> 113 | 369.90 | |
2024-10-18 | 106 -> 115 | 390.10 -> 369.90 |
Meeting in the billiard room: 29% -> 14% |
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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 478 |
|
13/24 | 100% | 2.80 | CRR | Riichi never changing |
2 | 664 |
|
37/108 | 100% | 4.60 | RR | X Russian Championship |
3 | 870 |
|
4/24 | 14% | 2.80 | CRR | Meeting in the billiard room |
4 | 667 |
|
26/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
5 | 164 |
|
47/56 | 0% | 3.30 | RR | Kirov Tournament |
6 | 128 |
|
35/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
7 | 852 |
|
5/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
8 | 590 |
|
35/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
9 | 383 |
|
30/48 | 0% | 3.10 | RR | Agari team tournament 2019 |