Melnikov Ilya

From Samara, Russia

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Common russian riichi rating (CRR)

Rating date Aug. 3, 2025 (latest changes Aug. 3, 2025).

37 place (635.19).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (915.89 * 4 * 0.14 + 523.36 * 4.60 * 0.71 + 759.49 * 3.65 * 1 + 119.05 * 2.60 * 1 + 800 * 3.50 * 1 + 813.95 * 3 * 1) / (4 * 0.14 + 4.60 * 0.71 + 3.65 * 1 + 2.60 * 1 + 3.50 * 1 + 3 * 1) = 636.2659251489399

p2 = (800 * 3.50 * 1 + 759.49 * 3.65 * 1 + 813.95 * 3 * 1 + 523.36 * 4.60 * 0.71) / max_coefficients = 634.1153094462541

score = 636.2659251489399 * 0.5 + 634.1153094462541 * 0.5 = 635.190617297597

Rating changes

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all results
Date Place Points Reason
2025-08-03 59 -> 37 553.12 -> 635.19

Two roosters and Chuckles: 0% -> 100%
2025-07-30 60 -> 59 553.12
2025-07-26 59 -> 60 553.12
2025-07-19 60 -> 59 553.12
2025-07-14 63 -> 60 553.12
2025-07-13 62 -> 63 553.12
2025-07-12 59 -> 62 557.65 -> 553.12

X Russian Championship: 86% -> 71%
2025-07-05 58 -> 59 557.65
2025-07-03 55 -> 58 580.57 -> 557.65

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 49 -> 55 588.79 -> 580.57

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 814 2025-08-03 9/44 100% 3.00 RR Two roosters and Chuckles Kirov
2 800 2025-05-03 15/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 119 2025-01-26 38/43 100% 2.60 RR Riichi On Ice Samara
4 759 2024-08-04 20/80 100% 3.65 RR Riichi over Volga Samara
5 523 2024-05-12 52/108 71% 4.60 RR X Russian Championship Perm
6 916 2023-09-03 10/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 655 2023-06-11 31/88 0% 3.75 RR Money can not buy tenpai Perm
8 171 2022-06-12 93/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 263 2019-02-24 15/20 0% 1.30 CRR Mahjong tournament at the Intellectual Games Festival 2019 Samara