Nemchinova Alena

From Samara, Russia

Player page

Internal rating (RR)

Rating date Nov. 26, 2025 (latest changes Nov. 14, 2025).

27 place (657.25).

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

p1 = (420.56 * 4.60 * 0.43 + 893.62 * 2.80 * 0.57 + 405.06 * 3.65 * 0.71 + 494.38 * 3.75 * 0.86 + 1000 * 3.25 * 1 + 500 * 3.50 * 1 + 835.82 * 4.10 * 1 + 674.42 * 3 * 1 + 311.69 * 3.45 * 1) / (4.60 * 0.43 + 2.80 * 0.57 + 3.65 * 0.71 + 3.75 * 0.86 + 3.25 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 615.5000599412576

p2 = (835.82 * 4.10 * 1 + 1000 * 3.25 * 1 + 674.42 * 3 * 1 + 500 * 3.50 * 1) / max_coefficients = 699.0053511705686

score = 615.5000599412576 * 0.5 + 699.0053511705686 * 0.5 = 657.252705555913

Rating changes

Show

all results
Date Place Points Reason
2025-11-14 26 -> 27 660.55 -> 657.25

Guardian of the Winds: 71% -> 57%
2025-11-12 27 -> 26 658.20 -> 660.55

X Russian Championship: 57% -> 43%
2025-11-04 22 -> 27 674.14 -> 658.20
2025-11-01 24 -> 22 672.87 -> 674.14
2025-10-13 25 -> 24 662.86 -> 672.87

Moscow Riichi 2024: 100% -> 86%
2025-10-09 26 -> 25 662.86
2025-10-04 29 -> 26 660.98 -> 662.86

Riichi over Volga: 86% -> 71%
2025-09-14 25 -> 29 672.75 -> 660.98

Guardian of the Winds: 86% -> 71%
2025-09-12 26 -> 25 670.64 -> 672.75

X Russian Championship: 71% -> 57%
2025-09-10 27 -> 26 670.64

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 312 2025-08-31 54/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 674 2025-08-03 15/44 100% 3.00 RR Two roosters and Chuckles Kirov
3 836 2025-06-15 12/68 100% 4.10 RR 13 bloody tiles Perm
4 500 2025-05-03 36/71 100% 3.50 RR Riichi over The Volga 2025 Samara
5 1000 2025-02-16 🥇 1/60 100% 3.25 RR White Wolf Cup Saint Petersburg
6 71 2025-01-26 40/43 100% 2.60 RR Riichi On Ice Samara
7 494 2024-10-13 46/90 86% 3.75 RR Moscow Riichi 2024 Moscow
8 405 2024-08-04 48/80 71% 3.65 RR Riichi over Volga Samara
9 894 2024-07-14 6/48 57% 2.80 RR Guardian of the Winds Yekaterinburg
10 421 2024-05-12 63/108 43% 4.60 RR X Russian Championship Perm
11 710 2023-09-03 32/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg