Tumanin Andrei

From Samara, Russia

Player page

Internal rating (RR)

Rating date Jan. 22, 2026 (latest changes Jan. 14, 2026).

11 place (722.25).

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

p1 = (757.01 * 4.60 * 0.29 + 574.47 * 2.80 * 0.43 + 670.89 * 3.65 * 0.57 + 505.26 * 3.85 * 0.57 + 752.81 * 3.75 * 0.71 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1 + 612.90 * 3 * 1) / (4.60 * 0.29 + 2.80 * 0.43 + 3.65 * 0.57 + 3.85 * 0.57 + 3.75 * 0.71 + 4.10 * 1 + 3 * 1 + 3.45 * 1 + 3 * 1) = 727.490916117798

p2 = (1000 * 4.10 * 1 + 906.98 * 3 * 1 + 752.81 * 3.75 * 0.71 + 545.45 * 3.45 * 1) / max_coefficients = 717.0060200668896

score = 727.490916117798 * 0.5 + 717.0060200668896 * 0.5 = 722.2484680923437

Rating changes

Show

all results
Date Place Points Reason
2026-01-14 11 720.94 -> 722.25

Guardian of the Winds: 57% -> 43%
2026-01-12 12 -> 11 721.38 -> 720.94

X Russian Championship: 43% -> 29%
2026-01-10 11 -> 12 721.38
2026-01-07 12 -> 11 721.38
2026-01-01 13 -> 12 718.92 -> 721.38

SPB Riichi Open 2024: 71% -> 57%
2025-12-13 13 732.74 -> 718.92

Moscow Riichi 2024: 86% -> 71%
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%

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 71% 3.75 RR Moscow Riichi 2024 Moscow
6 505 2024-09-01 48/96 57% 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 43% 2.80 RR Guardian of the Winds Yekaterinburg
9 757 2024-05-12 27/108 29% 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