Zhuravlev Andrei
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
36 place (642.25).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (93.46 * 4 * 0.14 + 411.76 * 3.05 * 0.57 + 652.17 * 2.10 * 0.57 + 476.64 * 4.60 * 0.71 + 831.58 * 3.85 * 1 + 505.62 * 3.75 * 1 + 847.46 * 3.25 * 1 + 290.32 * 2.40 * 1 + 285.71 * 1.90 * 1 + 828.57 * 3.50 * 1 + 454.55 * 3.45 * 1) / (4 * 0.14 + 3.05 * 0.57 + 2.10 * 0.57 + 4.60 * 0.71 + 3.85 * 1 + 3.75 * 1 + 3.25 * 1 + 2.40 * 1 + 1.90 * 1 + 3.50 * 1 + 3.45 * 1) = 577.1407632294571
p2 = (831.58 * 3.85 * 1 + 828.57 * 3.50 * 1 + 847.46 * 3.25 * 1 + 505.62 * 3.75 * 1) / max_coefficients = 707.3611842105263
score = 577.1407632294571 * 0.5 + 707.3611842105263 * 0.5 = 642.2509737199916
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 34 -> 36 | 650.56 -> 642.25 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 35 -> 34 | 647.10 -> 650.56 | |
| 2025-08-03 | 31 -> 35 | 647.10 | |
| 2025-07-30 | 31 | 647.44 -> 647.10 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-14 | 32 -> 31 | 647.44 | |
| 2025-07-12 | 34 -> 32 | 639.43 -> 647.44 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 34 | 637.97 -> 639.43 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-07-03 | 34 | 632.81 -> 637.97 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 29 -> 34 | 642.99 -> 632.81 | |
| 2025-06-11 | 31 -> 29 | 642.99 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 455 |
|
43/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 829 |
|
13/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 3 | 286 |
|
26/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 4 | 290 |
|
23/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 5 | 847 |
|
10/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 6 | 506 |
|
45/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 7 | 832 |
|
17/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 8 | 20 |
|
51/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 9 | 477 |
|
57/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 10 | 652 |
|
17/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 11 | 412 |
|
31/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 12 | 93 |
|
98/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 13 | 560 |
|
34/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |