Ermolaeva Lada

From Kirov, Russia

Player page

Internal rating (RR)

Rating date Sept. 2, 2026 (latest changes Sept. 2, 2026).

103 place (414.05).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (903.23 * 2.40 * 0.43 + 42.86 * 3.50 * 0.71 + 44.78 * 4.10 * 0.71 + 837.21 * 3 * 0.86 + 161.29 * 3 * 1 + 629.37 * 4.71 * 1) / (2.40 * 0.43 + 3.50 * 0.71 + 4.10 * 0.71 + 3 * 0.86 + 3 * 1 + 4.71 * 1) = 404.35233012040413

p2 = (629.37 * 4.71 * 1 + 837.21 * 3 * 0.86 + 903.23 * 2.40 * 0.43 + 161.29 * 3 * 1) / max_coefficients = 423.7521090201168

score = 404.35233012040413 * 0.5 + 423.7521090201168 * 0.5 = 414.0522195702605

Rating changes

Show

all results
Date Place Points Reason
2026-09-02 99 -> 103 429.10 -> 414.05

Riichi Maslenitsa (shrovetide): 57% -> 43%
2026-09-01 100 -> 99 429.21 -> 429.10

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 101 -> 100 428.49 -> 429.21
2026-08-16 97 -> 101 428.49
2026-08-15 99 -> 97 420.92 -> 428.49

13 bloody tiles: 86% -> 71%
2026-08-13 98 -> 99 420.92
2026-08-04 101 -> 98 420.92
2026-08-03 97 -> 101 437.44 -> 420.92

Two roosters and Chuckles: 100% -> 86%
2026-07-25 95 -> 97 437.44
2026-07-18 94 -> 95 437.44

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 629 2026-06-14 54/144 100% 4.71 RR XII Russian Championship Samara
2 161 2025-11-30 27/32 100% 3.00 RR Final Cup 2025 Moscow
3 837 2025-08-03 8/44 86% 3.00 RR Two roosters and Chuckles Kirov
4 45 2025-06-15 65/68 71% 4.10 RR 13 bloody tiles Perm
5 43 2025-05-03 68/71 71% 3.50 RR Riichi over The Volga 2025 Samara
6 903 2025-03-02 4/32 43% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
7 421 2024-09-01 56/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 468 2024-07-14 26/48 0% 2.80 RR Guardian of the Winds Yekaterinburg
9 617 2024-05-12 42/108 0% 4.60 RR X Russian Championship Perm
10 184 2023-06-11 72/88 0% 3.75 RR Money can not buy tenpai Perm