Vinnichenko Aleksandr

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 19, 2026 (latest changes Oct. 17, 2026).

106 place (458.68).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (466.67 * 1.80 * 0.14 + 533.33 * 2 * 0.57 + 391.30 * 1.20 * 0.71 + 956.52 * 1.20 * 1 + 631.58 * 1.30 * 1 + 580.65 * 1.80 * 1 + 842.11 * 1.30 * 1 + 600 * 1.20 * 1) / (1.80 * 0.14 + 2 * 0.57 + 1.20 * 0.71 + 1.20 * 1 + 1.30 * 1 + 1.80 * 1 + 1.30 * 1 + 1.20 * 1) = 650.7235143830641

p2 = (956.52 * 1.20 * 1 + 842.11 * 1.30 * 1 + 580.65 * 1.80 * 1 + 631.58 * 1.30 * 1) / max_coefficients = 266.63075924724205

score = 650.7235143830641 * 0.5 + 266.63075924724205 * 0.5 = 458.67713681515306

Rating changes

Show

all results
Date Place Points Reason
2026-10-17 106 462.55 -> 458.68

Autumn League Stage 2: 0% -> 100%
2026-10-15 107 -> 106 462.55
2026-10-13 111 -> 107 462.55
2026-10-02 112 -> 111 462.55
2026-09-26 128 -> 112 425.66 -> 462.55

Autumn League Stage 1: 0% -> 100%

Pands in discards: 86% -> 71%
2026-09-13 129 -> 128 425.66
2026-09-06 125 -> 129 425.66
2026-09-02 126 -> 125 425.66
2026-09-01 128 -> 126 425.66
2026-08-31 129 -> 128 425.28 -> 425.66

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 600 2026-10-17 7/16 100% 1.20 CRR Autumn League Stage 2 Simferopol
2 842 2026-09-26 4/20 100% 1.30 CRR Autumn League Stage 1 Simferopol
3 581 2026-07-25 14/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
4 632 2026-03-21 8/20 100% 1.30 CRR The Southern Coon Mini Cup 2026 Simferopol
5 957 2025-12-06 🥈 2/24 100% 1.20 CRR Riichi on fire Simferopol
6 391 2025-07-26 15/24 71% 1.20 CRR Pands in discards Simferopol
7 533 2025-04-27 8/16 57% 2.00 RR South Dragon Cup II Simferopol
8 467 2024-10-27 9/16 14% 1.80 CRR Happy Bamboo 2024 Simferopol