Tumanin Andrei

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).

10 place (752.32).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (757.01 * 4.60 * 0.71 + 574.47 * 2.80 * 0.86 + 670.89 * 3.65 * 0.86 + 505.26 * 3.85 * 0.86 + 752.81 * 3.75 * 1 + 304.35 * 2.80 * 1 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1) / (4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 0.86 + 3.85 * 0.86 + 3.75 * 1 + 2.80 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 684.9500802870962

p2 = (1000 * 4.10 * 1 + 752.81 * 3.75 * 1 + 906.98 * 3 * 1 + 757.01 * 4.60 * 0.71) / max_coefficients = 819.6844594594595

score = 684.9500802870962 * 0.5 + 819.6844594594595 * 0.5 = 752.3172698732778

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 7 -> 10 773.72 -> 752.32

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 9 -> 7 760.71 -> 773.72

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 7 -> 9 750.30 -> 760.71

SPB Riichi Open 2025: 0% -> 100%
2025-08-25 8 -> 7 750.30
2025-08-22 7 -> 8 750.30
2025-08-04 7 746.10 -> 750.30

Riichi over Volga: 100% -> 86%
2025-08-03 14 -> 7 724.63 -> 746.10

Two roosters and Chuckles: 0% -> 100%
2025-07-26 12 -> 14 724.63
2025-07-14 13 -> 12 723.81 -> 724.63

Guardian of the Winds: 100% -> 86%
2025-07-12 10 -> 13 733.53 -> 723.81

X Russian Championship: 86% -> 71%

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
4 304 2024-12-01 17/24 100% 2.80 CRR Riichi never changing Moscow
5 753 2024-10-13 23/90 100% 3.75 RR Moscow Riichi 2024 Moscow
6 505 2024-09-01 48/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 671 2024-08-04 27/80 86% 3.65 RR Riichi over Volga Samara
8 574 2024-07-14 21/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
9 757 2024-05-12 27/108 71% 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