Tumanin Andrei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 15, 2026 (latest changes March 15, 2026).

12 place (722.90).

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

p1 = (757.01 * 4.60 * 0.14 + 574.47 * 2.80 * 0.29 + 670.89 * 3.65 * 0.43 + 505.26 * 3.85 * 0.43 + 752.81 * 3.75 * 0.57 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1 + 800 * 1.50 * 1 + 612.90 * 3 * 1) / (4.60 * 0.14 + 2.80 * 0.29 + 3.65 * 0.43 + 3.85 * 0.43 + 3.75 * 0.57 + 4.10 * 1 + 3 * 1 + 3.45 * 1 + 1.50 * 1 + 3 * 1) = 740.6953264530941

p2 = (1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1 + 612.90 * 3 * 1) / max_coefficients = 705.114381270903

score = 740.6953264530941 * 0.5 + 705.114381270903 * 0.5 = 722.9048538619986

Rating changes

Show

all results
Date Place Points Reason
2026-03-14 12 721.41 -> 722.90

Guardian of the Winds: 43% -> 29%
2026-03-12 12 721.69 -> 721.41

X Russian Championship: 29% -> 14%
2026-03-10 13 -> 12 721.69
2026-03-07 14 -> 13 721.69
2026-03-01 14 718.96 -> 721.69

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 9 -> 14 718.96
2026-02-16 10 -> 9 718.96
2026-02-13 10 725.13 -> 718.96

Moscow Riichi 2024: 71% -> 57%
2026-02-04 10 724.47 -> 725.13

Riichi over Volga: 57% -> 43%
2026-02-02 11 -> 10 724.47

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
2 800 2025-11-22 5/21 100% 1.50 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 71% 2.80 CRR Riichi never changing Moscow
7 753 2024-10-13 23/90 57% 3.75 RR Moscow Riichi 2024 Moscow
8 505 2024-09-01 48/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
9 671 2024-08-04 27/80 43% 3.65 RR Riichi over Volga Samara
10 574 2024-07-14 21/48 29% 2.80 RR Guardian of the Winds Yekaterinburg
11 757 2024-05-12 27/108 14% 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