Grishchenko Aleksandra

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 8, 2026 (latest changes Feb. 8, 2026).

22 place (676.66).

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

p1 = (549.02 * 3.05 * 0.14 + 326.09 * 2.10 * 0.14 + 822.43 * 4.60 * 0.29 + 322.58 * 1.80 * 0.29 + 789.47 * 1.50 * 0.29 + 547.37 * 3.85 * 0.57 + 797.75 * 3.75 * 0.71 + 470.59 * 3.05 * 0.86 + 796.61 * 3.25 * 1 + 400 * 2 * 1 + 600 * 2.45 * 1 + 1000 * 3 * 1 + 596.49 * 3.90 * 1 + 774.19 * 3 * 1 + 526.32 * 2.25 * 1 + 700 * 3 * 1) / (3.05 * 0.14 + 2.10 * 0.14 + 4.60 * 0.29 + 1.80 * 0.29 + 1.50 * 0.29 + 3.85 * 0.57 + 3.75 * 0.71 + 3.05 * 0.86 + 3.25 * 1 + 2 * 1 + 2.45 * 1 + 3 * 1 + 3.90 * 1 + 3 * 1 + 2.25 * 1 + 3 * 1) = 668.519738712042

p2 = (1000 * 3 * 1 + 796.61 * 3.25 * 1 + 596.49 * 3.90 * 1 + 774.19 * 3 * 1) / max_coefficients = 684.8080267558528

score = 668.519738712042 * 0.5 + 684.8080267558528 * 0.5 = 676.6638827339474

Rating changes

Show

Date Place Points Reason
2026-02-04 23 -> 22 676.66
2026-02-02 24 -> 23 675.39 -> 676.66

Agari Winter Tournament 2025: 100% -> 86%

2026-02-01 26 -> 24 675.39
2026-01-30 26 673.89 -> 675.39

Seihoku spring tournament 2024: 29% -> 14%

2026-01-26 27 -> 26 673.89

Riichi On Ice: 100% -> 86%

2026-01-25 23 -> 27 674.29 -> 673.89

Duplicate riichi mahjong tournament 2024: 43% -> 29%

2026-01-19 23 673.02 -> 674.29

"Green Dragon" in the Secret Chamber: 43% -> 29%

2026-01-15 24 -> 23 673.02
2026-01-12 23 -> 24 674.52 -> 673.02

X Russian Championship: 43% -> 29%

2026-01-10 23 673.82 -> 674.52

Agari Spring Tournament 2024: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 700 2026-01-07 10/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
2 526 2025-12-07 10/20 100% 2.25 RR Winter Hatiko Korolyov
3 774 2025-11-30 8/32 100% 3.00 RR Final Cup 2025 Moscow
4 596 2025-11-04 24/58 100% 3.90 RR XI Russian Championship Moscow
5 1000 2025-08-03 🥇 1/44 100% 3.00 RR Two roosters and Chuckles Kirov
6 600 2025-07-13 13/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
7 418 2025-06-15 40/68 100% 4.10 RR 13 bloody tiles Perm
8 400 2025-06-08 10/16 100% 2.00 RR Random not fault Moscow
9 797 2025-02-16 13/60 100% 3.25 RR White Wolf Cup Saint Petersburg
10 471 2025-02-02 28/52 86% 3.05 RR Agari Winter Tournament 2025 Moscow
11 214 2025-01-26 34/43 86% 2.60 RR Riichi On Ice Samara
12 798 2024-10-13 19/90 71% 3.75 RR Moscow Riichi 2024 Moscow
13 547 2024-09-01 44/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
14 789 2024-05-25 5/20 29% 1.50 CRR Duplicate riichi mahjong tournament 2024 Moscow
15 323 2024-05-19 22/32 29% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
16 822 2024-05-12 20/108 29% 4.60 RR X Russian Championship Perm
17 326 2024-03-30 32/47 14% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
18 549 2024-03-10 24/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow