Chichigin Andrey

From Odintsovo, Russia

EMA: 15990028

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

98 place (390.55).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (40 * 4.20 * 0.29 + 140.19 * 4 * 0.86 + 686.27 * 3.05 * 1 + 156.86 * 3.05 * 1 + 726.32 * 3.85 * 1) / (4.20 * 0.29 + 4 * 0.86 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 404.47060502087345

p2 = (726.32 * 3.85 * 1 + 686.27 * 3.05 * 1 + 140.19 * 4 * 0.86 + 156.86 * 3.05 * 1) / max_coefficients = 376.63313670436105

score = 404.47060502087345 * 0.5 + 376.63313670436105 * 0.5 = 390.55187086261725

Rating changes

Show

all results
Date Place Points Reason
2024-09-03 103 -> 98 381.37 -> 390.55

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 138 -> 103 233.21 -> 381.37

SPB Riichi Open 2024: 0% -> 100%
2024-08-27 139 -> 138 233.21
2024-08-26 143 -> 139 233.21
2024-08-25 142 -> 143 233.21
2024-08-22 143 -> 142 233.21
2024-08-11 143 232.11 -> 233.21
2024-08-04 141 -> 143 236.26 -> 232.11
2024-07-14 134 -> 141 236.26
2024-07-06 138 -> 134 231.98 -> 236.26

IX Russian Riichi Championship: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 726 2024-09-01 27/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
2 157 2024-06-09 44/52 100% 3.05 RR Agari Summer Tournament 2024 Moscow
3 686 2024-03-10 17/52 100% 3.05 RR Agari Spring Tournament 2024 Moscow
4 140 2023-09-03 93/108 86% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
5 40 2022-11-06 73/76 29% 4.20 RR IX Russian Riichi Championship Perm
6 811 2022-06-12 22/112 0% 4.05 RR Moscow Riichi 2022 Moscow
7 191 2021-12-19 39/48 0% 3.10 RR Agari team tournament Moscow
8 452 2020-01-26 18/32 0% 2.70 RR The last chance: back to 2019 Moscow
9 198 2019-12-15 90/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
10 683 2018-12-16 21/64 0% 3.45 EMA White Dragon Tournament Moscow
11 158 2018-05-12 17/20 0% 1.50 CRR Agari tournament. First stage Moscow