Tumanin Andrei

From Samara, Russia

Player page

Internal rating (RR)

Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).

11 place (755.04).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (757.01 * 4.60 * 0.57 + 574.47 * 2.80 * 0.71 + 670.89 * 3.65 * 0.71 + 505.26 * 3.85 * 0.86 + 752.81 * 3.75 * 0.86 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1) / (4.60 * 0.57 + 2.80 * 0.71 + 3.65 * 0.71 + 3.85 * 0.86 + 3.75 * 0.86 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 727.4800629721393

p2 = (1000 * 4.10 * 1 + 906.98 * 3 * 1 + 752.81 * 3.75 * 0.86 + 757.01 * 4.60 * 0.57) / max_coefficients = 782.6083017679297

score = 727.4800629721393 * 0.5 + 782.6083017679297 * 0.5 = 755.0441823700345

Rating changes

Show

all results
Date Place Points Reason
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%
2025-09-03 7 773.72 -> 772.49

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 8 -> 7 760.71 -> 773.72

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 6 -> 8 773.45 -> 760.71

SPB Riichi Open 2025: 0% -> 100%
2025-08-04 6 768.72 -> 773.45

Riichi over Volga: 100% -> 86%
2025-08-03 6 748.76 -> 768.72

Two roosters and Chuckles: 0% -> 100%
2025-07-14 6 747.39 -> 748.76

Guardian of the Winds: 100% -> 86%

Tournaments

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