Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date July 10, 2025 (latest changes July 10, 2025).
110 place (401.01).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (140.19 * 4 * 0.14 + 686.27 * 3.05 * 0.57 + 156.86 * 3.05 * 0.86 + 726.32 * 3.85 * 1 + 337.08 * 3.75 * 1 + 274.51 * 3.05 * 1 + 333.33 * 2 * 1) / (4 * 0.14 + 3.05 * 0.57 + 3.05 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 2 * 1) = 412.4629341767868
p2 = (726.32 * 3.85 * 1 + 337.08 * 3.75 * 1 + 686.27 * 3.05 * 0.57 + 274.51 * 3.05 * 1) / max_coefficients = 389.55203271054927
score = 412.4629341767868 * 0.5 + 389.55203271054927 * 0.5 = 401.00748344366804
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-10 | 107 -> 110 | 413.88 -> 401.01 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-07-03 | 109 -> 107 | 409.59 -> 413.88 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 103 -> 109 | 415.65 -> 409.59 | |
| 2025-06-14 | 101 -> 103 | 415.65 | |
| 2025-06-11 | 102 -> 101 | 415.65 | |
| 2025-06-09 | 105 -> 102 | 412.74 -> 415.65 |
Agari Summer Tournament 2024: 100% -> 86% |
| 2025-06-08 | 101 -> 105 | 416.93 -> 412.74 |
Random not fault: 0% -> 100% |
| 2025-05-19 | 102 -> 101 | 416.93 | |
| 2025-05-12 | 102 | 408.21 -> 416.93 | |
| 2025-05-10 | 99 -> 102 | 421.05 -> 408.21 |
Agari Spring Tournament 2024: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 333 |
|
11/16 | 100% | 2.00 | RR | Random not fault | Moscow |
| 2 | 275 |
|
38/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 3 | 337 |
|
60/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 4 | 726 |
|
27/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 5 | 157 |
|
44/52 | 86% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 6 | 686 |
|
17/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
| 7 | 140 |
|
93/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 8 | 40 |
|
73/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 9 | 811 |
|
22/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
| 10 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament | Moscow |
| 11 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow |
| 12 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |
| 13 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow |
| 14 | 158 |
|
17/20 | 0% | 1.50 | CRR | Agari tournament. First stage | Moscow |