Andreeva Anna

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 11, 2023 (latest changes June 11, 2023).

159 place (75.45).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8

p1 = (66.67 * 1.20 * 0.57 + 454.55 * 1.10 * 1 + 0 + 0 + 0) / (1.20 * 0.57 + 1.10 * 1 + 1 + 1 + 1) = 114.02977215359155

p2 = (454.55 * 1.10 * 1 + 66.67 * 1.20 * 0.57) / max_coefficients = 36.8722972972973

score = 114.02977215359155 * 0.5 + 36.8722972972973 * 0.5 = 75.45103472544443

Rating changes

Show

all results
Date Place Points Reason
2023-06-11 141 -> 159 77.15 -> 75.45
2023-05-20 141 76.44 -> 77.15
2023-05-05 141 76.02 -> 76.44

Winter tournament: 71% -> 57%
2023-05-01 140 -> 141 76.02
2023-04-22 138 -> 140 76.02
2023-03-20 139 -> 138 75.34 -> 76.02
2023-03-05 140 -> 139 74.97 -> 75.34

Winter tournament: 86% -> 71%
2023-02-25 131 -> 140 74.97
2023-01-28 131 74.76 -> 74.97
2023-01-14 127 -> 131 74.76

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 455 2022-07-09 7/12 100% 1.10 CRR Summer tournament
2 67 2022-01-05 15/16 57% 1.20 CRR Winter tournament