Volosnikov Oleg

From Kurgan, Russia

Player page

Internal rating (RR)

Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).

161 place (255.83).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (289.72 * 4.60 * 0.71 + 63.83 * 2.80 * 0.86 + 483.87 * 2.40 * 1 + 328.36 * 4.10 * 1 + 0) / (4.60 * 0.71 + 2.80 * 0.86 + 2.40 * 1 + 4.10 * 1 + 1) = 273.9862851006321

p2 = (328.36 * 4.10 * 1 + 483.87 * 2.40 * 1 + 289.72 * 4.60 * 0.71 + 63.83 * 2.80 * 0.86) / max_coefficients = 237.67697368421054

score = 273.9862851006321 * 0.5 + 237.67697368421054 * 0.5 = 255.8316293924213

Rating changes

Show

all results
Date Place Points Reason
2025-08-31 157 -> 161 255.83
2025-08-04 158 -> 157 254.67 -> 255.83
2025-08-03 152 -> 158 254.67
2025-07-30 153 -> 152 254.67
2025-07-14 154 -> 153 252.41 -> 254.67

Guardian of the Winds: 100% -> 86%
2025-07-13 152 -> 154 252.41
2025-07-12 149 -> 152 256.78 -> 252.41

X Russian Championship: 86% -> 71%
2025-07-03 151 -> 149 256.78
2025-06-15 161 -> 151 193.08 -> 256.78

13 bloody tiles: 0% -> 100%
2025-06-11 171 -> 161 193.08

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 328 2025-06-15 46/68 100% 4.10 RR 13 bloody tiles Perm
2 484 2025-03-02 17/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
3 64 2024-07-14 45/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
4 290 2024-05-12 77/108 71% 4.60 RR X Russian Championship Perm