Chichigin Andrey

From Odintsovo, Russia

EMA: 15990028

Player page

Internal rating (RR)

Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).

103 place (401.54).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (686.27 * 3.05 * 0.57 + 156.86 * 3.05 * 0.71 + 726.32 * 3.85 * 0.86 + 337.08 * 3.75 * 1 + 274.51 * 3.05 * 1 + 333.33 * 2 * 1) / (3.05 * 0.57 + 3.05 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.05 * 1 + 2 * 1) = 418.34766640742714

p2 = (726.32 * 3.85 * 0.86 + 337.08 * 3.75 * 1 + 686.27 * 3.05 * 0.57 + 274.51 * 3.05 * 1) / max_coefficients = 384.73175675675674

score = 418.34766640742714 * 0.5 + 384.73175675675674 * 0.5 = 401.53971158209197

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 106 -> 103 396.75 -> 401.54

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 105 -> 106 409.93 -> 396.75

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 98 -> 105 409.93
2025-08-09 98 406.68 -> 409.93

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 99 -> 98 404.72 -> 406.68
2025-08-03 98 -> 99 404.72
2025-07-30 99 -> 98 404.72
2025-07-13 98 -> 99 404.72
2025-07-12 99 -> 98 401.01 -> 404.72
2025-07-10 96 -> 99 413.88 -> 401.01

Agari Spring Tournament 2024: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 333 2025-06-08 11/16 100% 2.00 RR Random not fault Moscow
2 275 2025-02-02 38/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
3 337 2024-10-13 60/90 100% 3.75 RR Moscow Riichi 2024 Moscow
4 726 2024-09-01 27/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 157 2024-06-09 44/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
6 686 2024-03-10 17/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
7 140 2023-09-03 93/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 40 2022-11-06 73/76 0% 4.20 RR IX Russian Riichi Championship Perm
9 811 2022-06-12 22/112 0% 4.05 RR Moscow Riichi 2022 Moscow
10 191 2021-12-19 39/48 0% 3.10 RR Agari team tournament Moscow
11 452 2020-01-26 18/32 0% 2.70 RR The last chance: back to 2019 Moscow
12 198 2019-12-15 90/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
13 683 2018-12-16 21/64 0% 3.45 EMA White Dragon Tournament Moscow