Vinnichenko Aleksandr

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 29, 2025 (latest changes Dec. 29, 2025).

136 place (355.44).

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

p1 = (466.67 * 1.80 * 0.71 + 533.33 * 2 * 1 + 391.30 * 1.20 * 1 + 956.52 * 1.20 * 1 + 0) / (1.80 * 0.71 + 2 * 1 + 1.20 * 1 + 1.20 * 1 + 1) = 491.20665775217105

p2 = (956.52 * 1.20 * 1 + 533.33 * 2 * 1 + 466.67 * 1.80 * 0.71 + 391.30 * 1.20 * 1) / max_coefficients = 219.67090301003347

score = 491.20665775217105 * 0.5 + 219.67090301003347 * 0.5 = 355.4387803811023

Rating changes

Show

Date Place Points Reason
2025-12-27 132 -> 136 359.00 -> 355.44

Happy Bamboo 2024: 86% -> 71%

2025-12-09 133 -> 132 359.00
2025-12-07 128 -> 133 359.00
2025-12-06 195 -> 128 242.76 -> 359.00

Riichi on fire: 0% -> 100%

2025-11-22 193 -> 195 242.76
2025-11-19 194 -> 193 242.76
2025-11-12 195 -> 194 242.76
2025-11-04 190 -> 195 246.19 -> 242.76
2025-11-01 189 -> 190 245.92 -> 246.19
2025-10-27 187 -> 189 252.53 -> 245.92

Happy Bamboo 2024: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 957 2025-12-06 🥈 2/24 100% 1.20 CRR Riichi on fire Simferopol
2 391 2025-07-26 15/24 100% 1.20 CRR Pands in discards Simferopol
3 533 2025-04-27 8/16 100% 2.00 RR South Dragon Cup II Simferopol
4 467 2024-10-27 9/16 71% 1.80 CRR Happy Bamboo 2024 Simferopol