Vinnichenko Aleksandr

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 9, 2026 (latest changes Nov. 8, 2026).

108 place (467.90).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (533.33 * 2 * 0.43 + 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) / (2 * 0.43 + 1.20 * 0.71 + 1.20 * 1 + 1.30 * 1 + 1.80 * 1 + 1.30 * 1 + 1.20 * 1) = 660.2210853193898

p2 = (956.52 * 1.20 * 1 + 842.11 * 1.30 * 1 + 580.65 * 1.80 * 1 + 631.58 * 1.30 * 1) / max_coefficients = 275.5720992622401

score = 660.2210853193898 * 0.5 + 275.5720992622401 * 0.5 = 467.89659229081497

Rating changes

Show

Date Place Points Reason
2026-11-08 105 -> 108 467.90
2026-11-07 106 -> 105 467.90
2026-11-04 106 463.43 -> 467.90
2026-11-03 107 -> 106 463.43
2026-11-02 106 -> 107 463.43
2026-11-01 105 -> 106 463.43
2026-10-27 107 -> 105 458.68 -> 463.43

South Dragon Cup II: 57% -> 43%

Happy Bamboo 2024: 14% -> 0%

2026-10-24 106 -> 107 458.68
2026-10-17 106 462.55 -> 458.68

Autumn League Stage 2: 0% -> 100%

2026-10-15 107 -> 106 462.55

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 43% 2.00 RR South Dragon Cup II Simferopol
8 467 2024-10-27 9/16 0% 1.80 CRR Happy Bamboo 2024 Simferopol