Efimov Ilya

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

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

143 place (61.69).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (363.64 * 1.10 * 0.29 + 333.33 * 1.20 * 0.71 + 0 + 0 + 0) / (1.10 * 0.29 + 1.20 * 0.71 + 1 + 1 + 1) = 95.89037811973353

p2 = (333.33 * 1.20 * 0.71 + 363.64 * 1.10 * 0.29) / max_coefficients = 27.491408934707902

score = 95.89037811973353 * 0.5 + 27.491408934707902 * 0.5 = 61.690893527220716

Rating changes

Show

all results
Date Place Points Reason
2023-03-05 142 -> 143 68.34 -> 61.69

Winter tournament: 86% -> 71%
2023-03-03 141 -> 142 74.82 -> 68.34

Summer tournament: 43% -> 29%
2023-02-25 132 -> 141 74.82
2023-01-28 132 74.63 -> 74.82
2023-01-14 128 -> 132 74.63
2023-01-05 128 80.59 -> 74.63

Winter tournament: 100% -> 86%
2023-01-03 130 -> 128 86.46 -> 80.59

Summer tournament: 57% -> 43%
2022-12-19 130 86.25 -> 86.46
2022-12-18 128 -> 130 86.25
2022-11-28 128 85.76 -> 86.25

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 333 2022-01-05 11/16 71% 1.20 CRR Winter tournament
2 364 2021-07-03 8/12 29% 1.10 CRR Summer tournament