Nemchinova Alena

From Samara, Russia

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Internal rating (RR)

Rating date May 30, 2025 (latest changes May 30, 2025).

46 place (581.71).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (710.28 * 4 * 0.29 + 420.56 * 4.60 * 0.86 + 893.62 * 2.80 * 1 + 405.06 * 3.65 * 1 + 494.38 * 3.75 * 1 + 71.43 * 2.60 * 1 + 1000 * 3.25 * 1 + 500 * 3.50 * 1) / (4 * 0.29 + 4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1 + 2.60 * 1 + 3.25 * 1 + 3.50 * 1) = 547.5883137558625

p2 = (1000 * 3.25 * 1 + 893.62 * 2.80 * 1 + 494.38 * 3.75 * 1 + 500 * 3.50 * 1) / max_coefficients = 615.8276430855427

score = 547.5883137558625 * 0.5 + 615.8276430855427 * 0.5 = 581.7079784207026

Rating changes

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all results
Date Place Points Reason
2025-05-12 45 -> 46 573.11 -> 581.71

X Russian Championship: 100% -> 86%
2025-05-03 44 -> 45 578.70 -> 573.11

SPB Riichi Open 2023: 43% -> 29%

Riichi over The Volga 2025: 0% -> 100%
2025-04-26 42 -> 44 578.70
2025-03-03 42 580.62 -> 578.70

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 41 -> 42 580.62
2025-02-16 60 -> 41 492.94 -> 580.62

White Wolf Cup: 0% -> 100%
2025-02-02 57 -> 60 492.94
2025-01-26 45 -> 57 524.52 -> 492.94

Riichi On Ice: 0% -> 100%
2025-01-03 44 -> 45 539.93 -> 524.52

SPB Riichi Open 2023: 71% -> 57%
2024-11-06 46 -> 44 539.93

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 500 2025-05-03 36/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 1000 2025-02-16 1/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 71 2025-01-26 40/43 100% 2.60 RR Riichi On Ice Samara
4 494 2024-10-13 46/90 100% 3.75 RR Moscow Riichi 2024 Moscow
5 405 2024-08-04 48/80 100% 3.65 RR Riichi over Volga Samara
6 894 2024-07-14 6/48 100% 2.80 RR Guardian of the Winds Yekaterinburg
7 421 2024-05-12 63/108 86% 4.60 RR X Russian Championship Perm
8 710 2023-09-03 32/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg