Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Internal rating (RR)
Rating date Dec. 21, 2024 (latest changes Dec. 11, 2024).
74 place (421.58).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (140.19 * 4 * 0.71 + 686.27 * 3.05 * 1 + 726.32 * 3.85 * 1 + 337.08 * 3.75 * 1 + 156.86 * 3.05 * 1) / (4 * 0.71 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1) = 424.7378783852343
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 = 424.7378783852343 * 0.5 + 418.4182965299685 * 0.5 = 421.5780874576014
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | 78 -> 85 | 398.37 -> 410.55 |
Moscow Riichi 2024: 0% -> 100% |
2024-10-11 | 79 -> 78 | 398.37 | |
2024-09-06 | 82 -> 79 | 390.55 -> 398.37 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 83 -> 82 | 381.37 -> 390.55 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 112 -> 83 | 233.21 -> 381.37 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 112 | 232.11 -> 233.21 | |
2024-08-04 | 107 -> 112 | 236.26 -> 232.11 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 337 |
|
60/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
2 | 726 |
|
27/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
3 | 157 |
|
44/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
4 | 686 |
|
17/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
5 | 140 |
|
93/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
6 | 40 |
|
73/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
7 | 811 |
|
22/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
8 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament |
9 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
10 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
11 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament |