Andreeva Anna

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).

156 place (68.88).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (66.67 * 1.20 * 0.43 + 454.55 * 1.10 * 0.86 + 0 + 0 + 0) / (1.20 * 0.43 + 1.10 * 0.86 + 1 + 1 + 1) = 103.84260723829011

p2 = (454.55 * 1.10 * 0.86 + 66.67 * 1.20 * 0.43) / max_coefficients = 33.92530115448202

score = 103.84260723829011 * 0.5 + 33.92530115448202 * 0.5 = 68.88395419638607

Rating changes

Show

all results
Date Place Points Reason
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
2023-05-20 140 76.44 -> 77.15
2023-05-05 140 76.02 -> 76.44

Winter tournament: 71% -> 57%
2023-05-01 139 -> 140 76.02
2023-04-22 137 -> 139 76.02

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 43% 1.20 CRR Winter tournament