Burakov Ivan

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 10, 2025 (latest changes July 10, 2025).

231 place (168.54).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (148.15 * 2.30 * 0.29 + 608.70 * 2.20 * 1 + 0 + 0 + 0) / (2.30 * 0.29 + 2.20 * 1 + 1 + 1 + 1) = 245.25405874228073

p2 = (608.70 * 2.20 * 1 + 148.15 * 2.30 * 0.29) / max_coefficients = 91.83092901079485

score = 245.25405874228073 * 0.5 + 91.83092901079485 * 0.5 = 168.54249387653778

Rating changes

Show

all results
Date Place Points Reason
2025-07-05 232 -> 231 167.52 -> 168.54

Finding Dora: 43% -> 29%
2025-07-03 233 -> 232 167.52
2025-06-15 224 -> 233 168.92 -> 167.52
2025-06-14 217 -> 224 168.92
2025-06-11 217 185.33 -> 168.92

Money can not buy tenpai: 14% -> 0%
2025-05-26 218 -> 217 185.33
2025-05-17 216 -> 218 185.33
2025-05-12 215 -> 216 183.23 -> 185.33
2025-05-05 216 -> 215 181.48 -> 183.23

Finding Dora: 57% -> 43%
2025-05-03 213 -> 216 181.48

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 609 2024-09-15 10/24 100% 2.20 CRR Tails, money, two renchans Tyumen
2 148 2023-11-05 24/28 29% 2.30 CRR Finding Dora Yekaterinburg
3 103 2023-06-11 79/88 0% 3.75 RR Money can not buy tenpai Perm