Tumanin Andrei

From Samara, Russia

Player page

Internal rating (RR)

Rating date April 17, 2026 (latest changes April 16, 2026).

4 place (791.37).

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 * 0.29 + 505.26 * 3.85 * 0.43 + 752.81 * 3.75 * 0.43 + 1000 * 4.10 * 1 + 906.98 * 3 * 1 + 612.90 * 3 * 1 + 940 * 3.10 * 1) / (4.60 * 0.14 + 2.80 * 0.29 + 3.65 * 0.29 + 3.85 * 0.43 + 3.75 * 0.43 + 4.10 * 1 + 3 * 1 + 3 * 1 + 3.10 * 1) = 805.7031886911041

p2 = (1000 * 4.10 * 1 + 940 * 3.10 * 1 + 906.98 * 3 * 1 + 545.45 * 3.45 * 1) / max_coefficients = 777.0401337792642

score = 805.7031886911041 * 0.5 + 777.0401337792642 * 0.5 = 791.3716612351841

Rating changes

Show

all results
Date Place Points Reason
2026-04-13 4 790.65 -> 791.37

Moscow Riichi 2024: 57% -> 43%
2026-04-05 11 -> 4 721.58 -> 790.65

Moscow Riichi 2026: 0% -> 100%
2026-04-04 10 -> 11 720.72 -> 721.58

Riichi over Volga: 43% -> 29%
2026-04-02 11 -> 10 720.72
2026-03-14 11 719.16 -> 720.72

Guardian of the Winds: 43% -> 29%
2026-03-12 11 719.53 -> 719.16

X Russian Championship: 29% -> 14%
2026-03-10 12 -> 11 719.53
2026-03-07 13 -> 12 719.53
2026-03-01 13 716.67 -> 719.53

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 11 -> 13 716.67

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 940 2026-04-05 4/51 100% 3.10 RR Moscow Riichi 2026 Moscow
2 613 2025-11-30 13/32 100% 3.00 RR Final Cup 2025 Moscow
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
6 753 2024-10-13 23/90 43% 3.75 RR Moscow Riichi 2024 Moscow
7 505 2024-09-01 48/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 671 2024-08-04 27/80 29% 3.65 RR Riichi over Volga Samara
9 574 2024-07-14 21/48 29% 2.80 RR Guardian of the Winds Yekaterinburg
10 757 2024-05-12 27/108 14% 4.60 RR X Russian Championship Perm
11 841 2023-09-03 18/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
12 816 2023-06-11 17/88 0% 3.75 RR Money can not buy tenpai Perm
13 467 2022-11-06 41/76 0% 4.20 RR IX Russian Riichi Championship Perm