Burakov Ivan

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 15, 2025 (latest changes Sept. 15, 2025).

240 place (155.15).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (148.15 * 2.30 * 0.14 + 608.70 * 2.20 * 0.86 + 0 + 0 + 0) / (2.30 * 0.14 + 2.20 * 0.86 + 1 + 1 + 1) = 229.45789359625184

p2 = (608.70 * 2.20 * 0.86 + 148.15 * 2.30 * 0.14) / max_coefficients = 80.84189189189189

score = 229.45789359625184 * 0.5 + 80.84189189189189 * 0.5 = 155.14989274407185

Rating changes

Show

Date Place Points Reason
2025-09-15 232 -> 240 172.40 -> 155.15

Tails, money, two renchans: 100% -> 86%

2025-09-14 233 -> 232 172.40
2025-09-10 234 -> 233 172.40
2025-09-05 235 -> 234 171.16 -> 172.40

Finding Dora: 29% -> 14%

2025-09-03 243 -> 235 171.16
2025-09-01 243 169.88 -> 171.16
2025-08-31 239 -> 243 169.88
2025-08-25 240 -> 239 169.88
2025-08-22 241 -> 240 169.88
2025-08-04 241 169.42 -> 169.88

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 609 2024-09-15 10/24 86% 2.20 CRR Tails, money, two renchans Tyumen
2 148 2023-11-05 24/28 14% 2.30 CRR Finding Dora Yekaterinburg
3 103 2023-06-11 79/88 0% 3.75 RR Money can not buy tenpai Perm