Tumanin Andrei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 11, 2026 (latest changes Jan. 10, 2026).

10 place (724.51).

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 * 0.57 + 752.81 * 3.75 * 0.71 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1 + 826.09 * 1.60 * 1 + 612.90 * 3 * 1) / (4.60 * 0.43 + 2.80 * 0.57 + 3.65 * 0.57 + 3.85 * 0.57 + 3.75 * 0.71 + 4.10 * 1 + 3 * 1 + 3.45 * 1 + 1.60 * 1 + 3 * 1) = 732.0057285004577

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 = 732.0057285004577 * 0.5 + 717.0060200668896 * 0.5 = 724.5058742836736

Rating changes

Show

all results
Date Place Points Reason
2026-01-07 11 -> 10 724.51
2026-01-01 12 -> 11 722.13 -> 724.51

SPB Riichi Open 2024: 71% -> 57%
2025-12-13 11 -> 12 735.87 -> 722.13

Moscow Riichi 2024: 86% -> 71%
2025-12-04 11 735.32 -> 735.87

Riichi over Volga: 71% -> 57%
2025-11-30 10 -> 11 742.35 -> 735.32

Final Cup 2025: 0% -> 100%
2025-11-25 11 -> 10 742.35
2025-11-22 15 -> 11 715.70 -> 742.35

San-Biki Cup: 0% -> 100%
2025-11-14 15 714.83 -> 715.70

Guardian of the Winds: 71% -> 57%
2025-11-12 14 -> 15 719.32 -> 714.83

X Russian Championship: 57% -> 43%
2025-11-04 13 -> 14 736.40 -> 719.32

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
2 826 2025-11-22 5/24 100% 1.60 CRR San-Biki Cup Saratov
3 545 2025-08-31 36/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
4 907 2025-08-03 5/44 100% 3.00 RR Two roosters and Chuckles Kirov
5 1000 2025-06-15 🥇 1/68 100% 4.10 RR 13 bloody tiles Perm
6 304 2024-12-01 17/24 86% 2.80 CRR Riichi never changing Moscow
7 753 2024-10-13 23/90 71% 3.75 RR Moscow Riichi 2024 Moscow
8 505 2024-09-01 48/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
9 671 2024-08-04 27/80 57% 3.65 RR Riichi over Volga Samara
10 574 2024-07-14 21/48 57% 2.80 RR Guardian of the Winds Yekaterinburg
11 757 2024-05-12 27/108 43% 4.60 RR X Russian Championship Perm
12 841 2023-09-03 18/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
13 816 2023-06-11 17/88 0% 3.75 RR Money can not buy tenpai Perm
14 467 2022-11-06 41/76 0% 4.20 RR IX Russian Riichi Championship Perm