Chichigin Andrey

From Odintsovo, Russia

EMA: 15990028

Player page

Internal rating (RR)

Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).

69 place (426.67).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (156.86 * 3.05 * 1 + 140.19 * 4 * 0.57 + 726.32 * 3.85 * 1 + 337.08 * 3.75 * 1 + 686.27 * 3.05 * 1) / (3.05 * 1 + 4 * 0.57 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1) = 434.9126714042639

p2 = (726.32 * 3.85 * 1 + 686.27 * 3.05 * 1 + 337.08 * 3.75 * 1 + 156.86 * 3.05 * 1) / max_coefficients = 418.4182965299685

score = 434.9126714042639 * 0.5 + 418.4182965299685 * 0.5 = 426.6654839671162

Rating changes

Show

all results
Date Place Points Reason
2025-01-03 74 -> 69 421.58 -> 426.67

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 76 -> 74 421.58
2024-11-06 81 -> 76 414.85 -> 421.58

IX Russian Riichi Championship: 14% -> 0%
2024-11-03 85 -> 81 410.55 -> 414.85

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 79 -> 85 398.37 -> 410.55

Moscow Riichi 2024: 0% -> 100%
2024-10-11 80 -> 79 398.37
2024-09-06 83 -> 80 390.55 -> 398.37

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 84 -> 83 381.37 -> 390.55

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 113 -> 84 233.21 -> 381.37

SPB Riichi Open 2024: 0% -> 100%
2024-08-11 113 232.11 -> 233.21

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 337 2024-10-13 60/90 100% 3.75 RR Moscow Riichi 2024
2 726 2024-09-01 27/96 100% 3.85 RR SPB Riichi Open 2024
3 157 2024-06-09 44/52 100% 3.05 RR Agari Summer Tournament 2024
4 686 2024-03-10 17/52 100% 3.05 RR Agari Spring Tournament 2024
5 140 2023-09-03 93/108 57% 4.00 RR SPB Riichi Open 2023
6 40 2022-11-06 73/76 0% 4.20 RR IX Russian Riichi Championship
7 811 2022-06-12 22/112 0% 4.05 RR Moscow Riichi 2022
8 191 2021-12-19 39/48 0% 3.10 RR Agari team tournament
9 452 2020-01-26 18/32 0% 2.70 RR The last chance: back to 2019
10 198 2019-12-15 90/112 0% 4.05 EMA VIII Russian Riichi Championship
11 683 2018-12-16 21/64 0% 3.45 EMA White Dragon Tournament