Tumanina Valentina

From Samara, Russia

Player page

Internal rating (RR)

Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).

17 place (717.38).

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

p1 = (691.59 * 4.60 * 0.71 + 978.72 * 2.80 * 0.86 + 784.81 * 3.65 * 0.86 + 294.74 * 3.85 * 0.86 + 887.64 * 3.75 * 1 + 857.14 * 2.60 * 1 + 685.71 * 3.50 * 1 + 447.76 * 4.10 * 1 + 792.21 * 3.45 * 1) / (4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 0.86 + 3.85 * 0.86 + 3.75 * 1 + 2.60 * 1 + 3.50 * 1 + 4.10 * 1 + 3.45 * 1) = 697.1350119316621

p2 = (887.64 * 3.75 * 1 + 792.21 * 3.45 * 1 + 784.81 * 3.65 * 0.86 + 685.71 * 3.50 * 1) / max_coefficients = 737.6337837837838

score = 697.1350119316621 * 0.5 + 737.6337837837838 * 0.5 = 717.3843978577229

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 13 -> 17 741.01 -> 717.38

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 15 -> 13 731.31 -> 741.01

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 22 -> 15 683.79 -> 731.31

SPB Riichi Open 2025: 0% -> 100%
2025-08-04 19 -> 22 694.78 -> 683.79

Riichi over Volga: 100% -> 86%
2025-08-03 18 -> 19 694.78
2025-07-14 13 -> 18 709.68 -> 694.78

Guardian of the Winds: 100% -> 86%
2025-07-12 15 -> 13 713.34 -> 709.68

X Russian Championship: 86% -> 71%
2025-07-03 14 -> 15 712.44 -> 713.34

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 9 -> 14 742.30 -> 712.44

13 bloody tiles: 0% -> 100%
2025-06-11 9 740.82 -> 742.30

Money can not buy tenpai: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 792 2025-08-31 17/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 448 2025-06-15 38/68 100% 4.10 RR 13 bloody tiles Perm
3 686 2025-05-03 23/71 100% 3.50 RR Riichi over The Volga 2025 Samara
4 857 2025-01-26 7/43 100% 2.60 RR Riichi On Ice Samara
5 888 2024-10-13 11/90 100% 3.75 RR Moscow Riichi 2024 Moscow
6 295 2024-09-01 68/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 785 2024-08-04 18/80 86% 3.65 RR Riichi over Volga Samara
8 979 2024-07-14 🥈 2/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
9 692 2024-05-12 34/108 71% 4.60 RR X Russian Championship Perm
10 589 2023-09-03 45/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
11 575 2023-06-11 38/88 0% 3.75 RR Money can not buy tenpai Perm
12 400 2022-11-06 46/76 0% 4.20 RR IX Russian Riichi Championship Perm