Saifulin Andrei

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date June 15, 2026 (latest changes June 14, 2026).

74 place (493.31).

max_coefficients = (4.71 * 1 + 4.10 * 1 + 3.90 * 1 + 3.45 * 1) = 16.16

p1 = (936.17 * 2.80 * 0.14 + 709.68 * 2.40 * 0.71 + 914.29 * 2.50 * 1 + 496.50 * 4.71 * 1 + 0) / (2.80 * 0.14 + 2.40 * 0.71 + 2.50 * 1 + 4.71 * 1 + 1) = 602.0113439566699

p2 = (496.50 * 4.71 * 1 + 914.29 * 2.50 * 1 + 709.68 * 2.40 * 0.71 + 936.17 * 2.80 * 0.14) / max_coefficients = 384.61819306930687

score = 602.0113439566699 * 0.5 + 384.61819306930687 * 0.5 = 493.3147685129884

Rating changes

Show

all results
Date Place Points Reason
2026-06-14 84 -> 74 423.60 -> 493.31

XII Russian Championship: 0% -> 100%
2026-06-13 85 -> 84 423.60
2026-06-09 87 -> 85 423.60
2026-05-17 88 -> 87 423.60
2026-05-14 84 -> 88 446.18 -> 423.60

Guardian of the Winds: 29% -> 14%
2026-05-03 85 -> 84 445.22 -> 446.18
2026-05-02 82 -> 85 455.77 -> 445.22

Riichi Maslenitsa (shrovetide): 86% -> 71%
2026-05-01 83 -> 82 455.77
2026-04-26 84 -> 83 455.77
2026-04-16 85 -> 84 455.77

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 497 2026-06-14 73/144 100% 4.71 RR XII Russian Championship Samara
2 914 2026-02-08 4/36 100% 2.50 RR One tsumo until spring Yekaterinburg
3 710 2025-03-02 10/32 71% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
4 936 2024-07-14 4/48 14% 2.80 RR Guardian of the Winds Yekaterinburg