CChessStats

317th YMCA Spring 2026-D Round 1-4

Round-RobinStandard

11 players participated in this 11-round tournament, held from 07 Apr 2026 to 28 Apr 2026 in Warszawa, Poland. Top 10 Elo average was 1339, and top seed was Janusz Wiktorowski (🇵🇱 POL, 1551).

Grzegorz Chojnacki (🇵🇱 POL, 1475) won with 3.5/11, ahead of Aisha Martin (3.0) and Janusz Wiktorowski (2.5).

Location
🇵🇱Warszawa, Poland
Dates
07 Apr 2026 → 28 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 11 rounds
Top seed
🇵🇱Janusz Wiktorowski1551
Avg top 10
1,339
Participants
11
Federations · 1 represented
🇵🇱Poland×11
Top 3

How it unfolded

Top 11 · 11 rounds

3 leader changes shaped the tournament; Chojnacki pulled away in R10.

Co-leaders
3
2
1
1
1
1
1
1
1
1
1
#1#2#6#11R1R2R3R4R5R6R7R8R9R10R11Chojnacki takes leadWiktorowski takes leadDabrowski takes lead
R4 · LEADER CHANGE28 Apr

Grzegorz Chojnacki takes the sole lead (3.5/4).

WIN STREAKS · 2 top finishers

Grzegorz Chojnacki 3 wins (R2–R4)Aisha Martin 3 wins (R1–R3)

Cross-table

#PlayerElo1234567891011PtsSBBhΔ EloPerf
1🇵🇱Chojnacki, Grzegorz1475*½1113.52.753.5+18.42251
2🇵🇱Martin, Aisha1481*1113.02.002.0+36.42251
4🇵🇱Wiktorowski, Janusz1551*11½2.52.753.0+4.81648
3🇵🇱Dabrowski, Leszek1491*10012.02.505.0+8.01596
7🇵🇱Przybylik, Mariusz15010*112.02.004.0-1.61476
5🇵🇱Piwko, Michal0½010*1.53.7510.00.01420
9🇵🇱Sloniewski, Wojciech14520001*1.02.0011.0-29.21309
6🇵🇱Skibinski, Marian000*11.01.007.50.01379
8🇵🇱Morczynski, Bartosz15430*11.00.001.0+14.42248
10🇵🇱Mackiewicz, Anna1455½00*0.51.256.5-15.01243
11🇵🇱Moszczynski-Petkowski, Rafal1444000*0.00.007.5-50.8704

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers