Andreeva Anna

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).

178 place (67.87).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (66.67 * 1.20 * 0.29 + 454.55 * 1.10 * 0.86 + 0 + 0 + 0) / (1.20 * 0.29 + 1.10 * 0.86 + 1 + 1 + 1) = 105.33057995869937

p2 = (454.55 * 1.10 * 0.86 + 66.67 * 1.20 * 0.29) / max_coefficients = 30.4124897299486

score = 105.33057995869937 * 0.5 + 30.4124897299486 * 0.5 = 67.87153484432399

Rating changes

Show

all results
Date Place Points Reason
2023-09-05 178 67.51 -> 67.87

Winter tournament: 43% -> 29%
2023-09-03 162 -> 178 68.88 -> 67.51
2023-08-27 157 -> 162 68.88
2023-08-19 156 -> 157 68.88
2023-08-12 156 68.19 -> 68.88
2023-07-09 156 76.68 -> 68.19

Summer tournament: 100% -> 86%
2023-07-05 157 -> 156 76.20 -> 76.68

Winter tournament: 57% -> 43%
2023-07-03 158 -> 157 76.20
2023-06-12 158 75.45 -> 76.20
2023-06-11 140 -> 158 77.15 -> 75.45

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 455 2022-07-09 7/12 86% 1.10 CRR Summer tournament
2 67 2022-01-05 15/16 29% 1.20 CRR Winter tournament