Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date Aug. 8, 2025 (latest changes Aug. 4, 2025).

112 place (409.46).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (663.55 * 4.60 * 0.71 + 478.26 * 2.80 * 1 + 492.54 * 4.10 * 1 + 0 + 0) / (4.60 * 0.71 + 2.80 * 1 + 4.10 * 1 + 1 + 1) = 454.530608627433

p2 = (663.55 * 4.60 * 0.71 + 492.54 * 4.10 * 1 + 478.26 * 2.80 * 1) / max_coefficients = 364.39539473684215

score = 454.530608627433 * 0.5 + 364.39539473684215 * 0.5 = 409.4630016821376

Rating changes

Show

all results
Date Place Points Reason
2025-08-04 112 407.68 -> 409.46
2025-08-03 111 -> 112 407.68
2025-07-26 110 -> 111 407.68
2025-07-13 107 -> 110 407.68
2025-07-12 101 -> 107 423.59 -> 407.68

X Russian Championship: 86% -> 71%
2025-06-15 141 -> 101 333.16 -> 423.59

13 bloody tiles: 0% -> 100%
2025-06-14 140 -> 141 333.16
2025-06-11 142 -> 140 333.16
2025-06-09 143 -> 142 333.16
2025-06-08 142 -> 143 333.16

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 493 2025-06-15 35/68 100% 4.10 RR 13 bloody tiles Perm
2 478 2024-12-01 13/24 100% 2.80 CRR Riichi never changing Moscow
3 664 2024-05-12 37/108 71% 4.60 RR X Russian Championship Perm
4 870 2022-12-18 4/24 0% 2.80 CRR Meeting in the billiard room Moscow
5 667 2022-11-06 26/76 0% 4.20 RR IX Russian Riichi Championship Perm
6 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament Kirov
7 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
8 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
9 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019 Perm
10 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019 Moscow