Petrushin Ivan

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 9, 2024 (latest changes Jan. 9, 2024).

148 place (157.11).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (866.67 * 1 * 1 + 272.73 * 1.10 * 1 + 0 + 0 + 0) / (1 * 1 + 1.10 * 1 + 1 + 1 + 1) = 228.75882352941179

p2 = (866.67 * 1 * 1 + 272.73 * 1.10 * 1) / max_coefficients = 85.46995397822427

score = 228.75882352941179 * 0.5 + 85.46995397822427 * 0.5 = 157.11438875381802

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 148 155.32 -> 157.11
2024-01-05 141 -> 148 177.50 -> 155.32

Winter tournament: 14% -> 0%
2023-12-19 148 -> 141 177.50
2023-12-12 150 -> 148 177.50
2023-11-28 155 -> 150 177.50
2023-11-26 150 -> 155 177.79 -> 177.50
2023-11-20 152 -> 150 177.79
2023-11-09 153 -> 152 177.79
2023-11-06 155 -> 153 176.11 -> 177.79
2023-11-05 151 -> 155 170.85 -> 176.11

Winter tournament: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 867 2023-05-01 3/16 100% 1.00 CRR Spring Tournament Irkutsk 2023
2 273 2023-01-14 9/12 100% 1.10 CRR Survive after yakuman
3 0 2022-01-05 16/16 0% 1.20 CRR Winter tournament
4 727 2021-07-03 4/12 0% 1.10 CRR Summer tournament
5 133 2021-01-03 14/16 0% 1.20 CRR Winter tournament
6 158 2019-12-15 17/20 0% 1.30 CRR Irkutsk Winter Tournament 2019