Tsiporin Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date March 2, 2026 (latest changes March 2, 2026).

29 place (667.28).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (126.32 * 3.85 * 0.43 + 258.43 * 3.75 * 0.57 + 452.38 * 2.60 * 0.86 + 745.10 * 3.05 * 0.86 + 525.42 * 3.25 * 0.86 + 597.01 * 4.10 * 1 + 961.04 * 3.45 * 1 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1) / (3.85 * 0.43 + 3.75 * 0.57 + 2.60 * 0.86 + 3.05 * 0.86 + 3.25 * 0.86 + 4.10 * 1 + 3.45 * 1 + 3.90 * 1 + 2.50 * 1) = 594.511066747336

p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 1 + 597.01 * 4.10 * 1 + 745.10 * 3.05 * 0.86) / max_coefficients = 740.0515050167224

score = 594.511066747336 * 0.5 + 740.0515050167224 * 0.5 = 667.2812858820292

Rating changes

Show

all results
Date Place Points Reason
2026-03-01 30 -> 29 662.32 -> 667.28

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 26 -> 30 662.32

White Wolf Cup 2026: 0% -> 100%
2026-02-16 26 661.80 -> 662.32

White Wolf Cup: 100% -> 86%
2026-02-13 26 658.56 -> 661.80

Moscow Riichi 2024: 71% -> 57%
2026-02-08 26 672.01 -> 658.56

One tsumo until spring: 0% -> 100%
2026-02-02 23 -> 26 684.11 -> 672.01

Agari Winter Tournament 2025: 100% -> 86%
2026-01-30 22 -> 23 684.11
2026-01-26 24 -> 22 682.97 -> 684.11

Riichi On Ice: 100% -> 86%
2026-01-25 19 -> 24 682.97
2026-01-12 20 -> 19 682.97

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 203 2026-02-23 60/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 314 2026-02-08 25/36 100% 2.50 RR One tsumo until spring Yekaterinburg
3 860 2025-11-04 9/58 100% 3.90 RR XI Russian Championship Moscow
4 961 2025-08-31 4/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
5 597 2025-06-15 28/68 100% 4.10 RR 13 bloody tiles Perm
6 525 2025-02-16 29/60 86% 3.25 RR White Wolf Cup Saint Petersburg
7 745 2025-02-02 14/52 86% 3.05 RR Agari Winter Tournament 2025 Moscow
8 452 2025-01-26 24/43 86% 2.60 RR Riichi On Ice Samara
9 258 2024-10-13 67/90 57% 3.75 RR Moscow Riichi 2024 Moscow
10 126 2024-09-01 84/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg