Saifulin Andrei

From Yekaterinburg, Russia

Player page

Internal rating (RR)

Rating date May 24, 2026 (latest changes May 17, 2026).

87 place (423.60).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (936.17 * 2.80 * 0.14 + 709.68 * 2.40 * 0.71 + 914.29 * 2.50 * 1 + 0 + 0) / (2.80 * 0.14 + 2.40 * 0.71 + 2.50 * 1 + 1 + 1) = 586.1267166986169

p2 = (914.29 * 2.50 * 1 + 709.68 * 2.40 * 0.71 + 936.17 * 2.80 * 0.14) / max_coefficients = 261.07070707070704

score = 586.1267166986169 * 0.5 + 261.07070707070704 * 0.5 = 423.59871188466195

Rating changes

Show

all results
Date Place Points Reason
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
2026-04-05 86 -> 85 455.77
2026-03-14 78 -> 86 476.69 -> 455.77

Guardian of the Winds: 43% -> 29%
2026-03-12 77 -> 78 476.69

Tournaments

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