Volosnikov Oleg

From Kurgan, Russia

Player page

Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

75 place (487.31).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (63.83 * 2.80 * 0.14 + 483.87 * 2.40 * 0.57 + 328.36 * 4.10 * 0.86 + 600 * 2.50 * 1 + 727.27 * 4.71 * 1) / (2.80 * 0.14 + 2.40 * 0.57 + 4.10 * 0.86 + 2.50 * 1 + 4.71 * 1) = 541.6662998705943

p2 = (727.27 * 4.71 * 1 + 600 * 2.50 * 1 + 328.36 * 4.10 * 0.86 + 483.87 * 2.40 * 0.57) / max_coefficients = 432.95571946005265

score = 541.6662998705943 * 0.5 + 432.95571946005265 * 0.5 = 487.31100966532347

Rating changes

Show

Date Place Points Reason
2026-07-03 77 -> 75 487.31
2026-07-02 76 -> 77 491.87 -> 487.31

Riichi Maslenitsa (shrovetide): 71% -> 57%

2026-06-15 77 -> 76 485.16 -> 491.87

13 bloody tiles: 100% -> 86%

2026-06-14 128 -> 77 315.13 -> 485.16

XII Russian Championship: 0% -> 100%

2026-06-13 130 -> 128 315.13
2026-06-09 129 -> 130 315.13
2026-06-04 130 -> 129 315.13
2026-05-26 131 -> 130 315.13
2026-05-17 130 -> 131 315.13
2026-05-14 132 -> 130 309.72 -> 315.13

Guardian of the Winds: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 727 2026-06-14 40/144 100% 4.71 RR XII Russian Championship Samara
2 600 2026-02-08 15/36 100% 2.50 RR One tsumo until spring Yekaterinburg
3 328 2025-06-15 46/68 86% 4.10 RR 13 bloody tiles Perm
4 484 2025-03-02 17/32 57% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
5 64 2024-07-14 45/48 14% 2.80 RR Guardian of the Winds Yekaterinburg
6 290 2024-05-12 77/108 0% 4.60 RR X Russian Championship Perm