Tumanin Andrei
From Samara, Russia
Internal rating (RR)
Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).
31 place (644.86).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (1000 * 4.10 * 0.57 + 906.98 * 3 * 0.71 + 545.45 * 3.45 * 0.71 + 612.90 * 3 * 1 + 940 * 3.10 * 1 + 571.43 * 2.90 * 1 + 593.22 * 3.40 * 1 + 492.96 * 3.40 * 1) / (4.10 * 0.57 + 3 * 0.71 + 3.45 * 0.71 + 3 * 1 + 3.10 * 1 + 2.90 * 1 + 3.40 * 1 + 3.40 * 1) = 691.5761445891699
p2 = (940 * 3.10 * 1 + 1000 * 4.10 * 0.57 + 593.22 * 3.40 * 1 + 906.98 * 3 * 0.71) / max_coefficients = 598.1343283582089
score = 691.5761445891699 * 0.5 + 598.1343283582089 * 0.5 = 644.8552364736894
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-03 | 33 -> 31 | 644.86 | |
| 2026-10-31 | 33 | 643.31 -> 644.86 |
SPB Riichi Open 2025: 86% -> 71% |
| 2026-10-15 | 28 -> 33 | 666.15 -> 643.31 |
13 bloody tiles: 71% -> 57% |
| 2026-10-13 | 28 | 666.77 -> 666.15 |
Moscow Riichi 2024: 14% -> 0% |
| 2026-10-03 | 26 -> 28 | 681.19 -> 666.77 |
Two roosters and Chuckles: 86% -> 71% |
| 2026-09-26 | 25 -> 26 | 681.19 | |
| 2026-09-06 | 22 -> 25 | 697.72 -> 681.19 |
Sunset Wolf Cup 2026: 0% -> 100% |
| 2026-09-01 | 23 -> 22 | 694.85 -> 697.72 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 23 | 691.77 -> 694.85 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 20 -> 23 | 699.11 -> 691.77 |
Ufa Championship 2026: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 493 |
|
37/72 | 100% | 3.40 | RR | Sunset Wolf Cup 2026 | Saint Petersburg | |
| 2 | 593 |
|
25/60 | 100% | 3.40 | RR | Ufa Championship 2026 | Ufa | |
| 3 | 571 |
|
19/43 | 100% | 2.90 | RR | Sturgeon in tempai | Saratov | |
| 4 | 940 |
|
4/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 5 | 613 |
|
13/32 | 100% | 3.00 | RR | Final Cup 2025 | Moscow | |
| 6 | 545 |
|
36/78 | 71% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 7 | 907 |
|
5/44 | 71% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 8 | 1000 |
|
🥇 | 1/68 | 57% | 4.10 | RR | 13 bloody tiles | Perm |
| 9 | 753 |
|
23/90 | 0% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 10 | 505 |
|
48/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 11 | 671 |
|
27/80 | 0% | 3.65 | RR | Riichi over Volga | Samara | |
| 12 | 574 |
|
21/48 | 0% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 13 | 757 |
|
27/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 14 | 841 |
|
18/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 15 | 816 |
|
17/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 16 | 467 |
|
41/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |