Tumanin Andrei

From Samara, Russia

Player page

Internal rating (RR)

Rating date Dec. 8, 2025 (latest changes Dec. 4, 2025).

13 place (732.74).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (757.01 * 4.60 * 0.43 + 574.47 * 2.80 * 0.57 + 670.89 * 3.65 * 0.57 + 505.26 * 3.85 * 0.71 + 752.81 * 3.75 * 0.86 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1 + 612.90 * 3 * 1) / (4.60 * 0.43 + 2.80 * 0.57 + 3.65 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 4.10 * 1 + 3 * 1 + 3.45 * 1 + 3 * 1) = 721.5122637832737

p2 = (1000 * 4.10 * 1 + 906.98 * 3 * 1 + 752.81 * 3.75 * 0.86 + 545.45 * 3.45 * 1) / max_coefficients = 743.971237458194

score = 721.5122637832737 * 0.5 + 743.971237458194 * 0.5 = 732.7417506207339

Rating changes

Show

all results
Date Place Points Reason
2025-12-04 13 732.23 -> 732.74

Riichi over Volga: 71% -> 57%
2025-11-30 11 -> 13 739.34 -> 732.23

Final Cup 2025: 0% -> 100%
2025-11-14 11 737.95 -> 739.34

Guardian of the Winds: 71% -> 57%
2025-11-12 10 -> 11 741.91 -> 737.95

X Russian Championship: 57% -> 43%
2025-11-04 10 758.98 -> 741.91
2025-11-01 11 -> 10 755.04 -> 758.98

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 8 -> 11 757.04 -> 755.04

Moscow Riichi 2024: 100% -> 86%
2025-10-04 9 -> 8 760.14 -> 757.04

Riichi over Volga: 86% -> 71%
2025-09-14 9 758.96 -> 760.14

Guardian of the Winds: 86% -> 71%
2025-09-12 7 -> 9 772.49 -> 758.96

X Russian Championship: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 613 2025-11-30 13/32 100% 3.00 RR Final Cup 2025 Moscow
2 545 2025-08-31 36/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
3 907 2025-08-03 5/44 100% 3.00 RR Two roosters and Chuckles Kirov
4 1000 2025-06-15 🥇 1/68 100% 4.10 RR 13 bloody tiles Perm
5 753 2024-10-13 23/90 86% 3.75 RR Moscow Riichi 2024 Moscow
6 505 2024-09-01 48/96 71% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 671 2024-08-04 27/80 57% 3.65 RR Riichi over Volga Samara
8 574 2024-07-14 21/48 57% 2.80 RR Guardian of the Winds Yekaterinburg
9 757 2024-05-12 27/108 43% 4.60 RR X Russian Championship Perm
10 841 2023-09-03 18/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
11 816 2023-06-11 17/88 0% 3.75 RR Money can not buy tenpai Perm
12 467 2022-11-06 41/76 0% 4.20 RR IX Russian Riichi Championship Perm