Chichigin Andrey

From Odintsovo, Russia

EMA: 15990028

Player page

Internal rating (RR)

Rating date Sept. 19, 2026 (latest changes Sept. 13, 2026).

111 place (409.32).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (337.08 * 3.75 * 0.14 + 274.51 * 3.05 * 0.43 + 333.33 * 2 * 0.71 + 513.51 * 3.40 * 1 + 814.81 * 2.45 * 1) / (3.75 * 0.14 + 3.05 * 0.43 + 2 * 0.71 + 3.40 * 1 + 2.45 * 1) = 521.6053358445598

p2 = (814.81 * 2.45 * 1 + 513.51 * 3.40 * 1 + 333.33 * 2 * 0.71 + 274.51 * 3.05 * 0.43) / max_coefficients = 297.0343932511356

score = 521.6053358445598 * 0.5 + 297.0343932511356 * 0.5 = 409.3198645478477

Rating changes

Show

all results
Date Place Points Reason
2026-09-13 112 -> 111 409.32
2026-09-06 109 -> 112 409.32
2026-09-01 106 -> 109 416.46 -> 409.32

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 104 -> 106 415.98 -> 416.46
2026-08-16 100 -> 104 415.98
2026-08-15 100 414.88 -> 415.98
2026-08-13 104 -> 100 409.74 -> 414.88

Moscow Riichi 2024: 29% -> 14%
2026-08-08 105 -> 104 410.22 -> 409.74

Random not fault: 86% -> 71%
2026-08-04 108 -> 105 410.22
2026-08-03 107 -> 108 410.22

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 815 2026-08-02 6/28 100% 2.45 RR Ivanovo Babayka 2026 Ivanovo
2 514 2026-02-23 37/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 333 2025-06-08 11/16 71% 2.00 RR Random not fault Moscow
4 275 2025-02-02 38/52 43% 3.05 RR Agari Winter Tournament 2025 Moscow
5 337 2024-10-13 60/90 14% 3.75 RR Moscow Riichi 2024 Moscow
6 726 2024-09-01 27/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 157 2024-06-09 44/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
8 686 2024-03-10 17/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
9 140 2023-09-03 93/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 40 2022-11-06 73/76 0% 4.20 RR IX Russian Riichi Championship Perm
11 811 2022-06-12 22/112 0% 4.05 RR Moscow Riichi 2022 Moscow
12 191 2021-12-19 39/48 0% 3.10 RR Agari team tournament Moscow
13 452 2020-01-26 18/32 0% 2.70 RR The last chance: back to 2019 Moscow
14 198 2019-12-15 90/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
15 683 2018-12-16 21/64 0% 3.45 EMA White Dragon Tournament Moscow