Tumanin Andrei
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).
18 place (677.55).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (816.09 * 3.75 * 0.43 + 841.12 * 4 * 0.71 + 757.01 * 4.60 * 1 + 574.47 * 2.80 * 1 + 670.89 * 3.65 * 1 + 505.26 * 3.85 * 1 + 752.81 * 3.75 * 1 + 304.35 * 2.80 * 1) / (3.75 * 0.43 + 4 * 0.71 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1) = 651.1753095280817
p2 = (757.01 * 4.60 * 1 + 752.81 * 3.75 * 1 + 670.89 * 3.65 * 1 + 841.12 * 4 * 0.71) / max_coefficients = 703.9274447949527
score = 651.1753095280817 * 0.5 + 703.9274447949527 * 0.5 = 677.5513771615172
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-11 | 18 | 679.22 -> 677.55 |
Money can not buy tenpai: 57% -> 43% |
2024-12-01 | 15 -> 18 | 699.95 -> 679.22 |
Riichi never changing: 0% -> 100% |
2024-11-05 | 15 | 697.11 -> 699.95 | |
2024-11-03 | 14 -> 15 | 714.00 -> 697.11 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-13 | 15 -> 14 | 688.09 -> 714.00 |
Moscow Riichi 2024: 0% -> 100% |
2024-10-11 | 15 | 697.49 -> 688.09 |
Money can not buy tenpai: 71% -> 57% |
2024-09-06 | 15 | 694.52 -> 697.49 |
IX Russian Riichi Championship: 29% -> 14% |
2024-09-03 | 13 -> 15 | 698.89 -> 694.52 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 7 -> 13 | 735.78 -> 698.89 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 6 -> 7 | 747.23 -> 735.78 |
Money can not buy tenpai: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 304 |
|
17/24 | 100% | 2.80 | CRR | Riichi never changing |
2 | 753 |
|
23/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
3 | 505 |
|
48/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
4 | 671 |
|
27/80 | 100% | 3.65 | RR | Riichi over Volga |
5 | 574 |
|
21/48 | 100% | 2.80 | RR | Guardian of the Winds |
6 | 757 |
|
27/108 | 100% | 4.60 | RR | X Russian Championship |
7 | 841 |
|
18/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
8 | 816 |
|
17/88 | 43% | 3.75 | RR | Money can not buy tenpai |
9 | 467 |
|
41/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |