Chichigin Andrey

From Odintsovo, Russia

EMA: 15990028

Player page

Internal rating (RR)

Rating date Nov. 20, 2023 (latest changes Nov. 20, 2023).

100 place (214.92).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (191.49 * 3.10 * 0.14 + 810.81 * 4.05 * 0.57 + 40 * 4.20 * 0.86 + 140.19 * 4 * 1 + 0) / (3.10 * 0.14 + 4.05 * 0.57 + 4.20 * 0.86 + 4 * 1 + 1) = 234.73846040056424

p2 = (810.81 * 4.05 * 0.57 + 140.19 * 4 * 1 + 40 * 4.20 * 0.86 + 191.49 * 3.10 * 0.14) / max_coefficients = 195.1055292048662

score = 234.73846040056424 * 0.5 + 195.1055292048662 * 0.5 = 214.92199480271523

Rating changes

Show

all results
Date Place Points Reason
2023-11-20 102 -> 100 214.92
2023-11-06 106 -> 102 206.77 -> 214.92

IX Russian Riichi Championship: 100% -> 86%
2023-10-19 106 209.15 -> 206.77

Agari team tournament: 29% -> 14%
2023-10-12 104 -> 106 234.25 -> 209.15

Moscow Riichi 2022: 71% -> 57%
2023-09-20 105 -> 104 234.25
2023-09-06 106 -> 105 234.25
2023-09-03 88 -> 106 238.91 -> 234.25

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 91 -> 88 240.57 -> 238.91

Agari team tournament: 43% -> 29%
2023-08-12 84 -> 91 267.73 -> 240.57

Moscow Riichi 2022: 86% -> 71%
2023-07-28 87 -> 84 267.73

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 140 2023-09-03 93/108 100% 4.00 RR SPB Riichi Open 2023
2 40 2022-11-06 73/76 86% 4.20 RR IX Russian Riichi Championship
3 811 2022-06-12 22/112 57% 4.05 RR Moscow Riichi 2022
4 191 2021-12-19 39/48 14% 3.10 RR Agari team tournament
5 452 2020-01-26 18/32 0% 2.70 RR The last chance: back to 2019
6 198 2019-12-15 90/112 0% 4.05 EMA VIII Russian Riichi Championship
7 683 2018-12-16 21/64 0% 3.45 EMA White Dragon Tournament