CChessStats

304th YMCA Summer 2025-A Round 1-5

Double Round-RobinStandard

8 players participated in this 5-round tournament, held from 02 Jul 2025 to 25 Jul 2025 in Warszawa, Poland. Top 10 Elo average was 1940, and top seed was Kacper Jarzebowski (🇵🇱 POL, 2079).

Tomasz Lewandrowski (🇵🇱 POL, 1966) won with 4.0/5, ahead of Wadym Korsun (3.0) and Kacper Jarzebowski (3.0). Lewandrowski broke clear in the final round.

The biggest upset came in round 1: Pawel Kasperkiewicz (1903) beat Kacper Jarzebowski (2079), a +176-point gap.

Location
🇵🇱Warszawa, Poland
Dates
02 Jul 2025 → 25 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Double RR · 5 rounds
Top seed
🇵🇱Kacper Jarzebowski2079
Avg top 10
1,940
Participants
8
Federations · 1 represented
🇵🇱Poland×8
Top 3

How it unfolded

Top 8 · 5 rounds

Tomasz Lewandrowski led from R3 onwards, the runner-up race stayed tight.

Co-leaders
4
2
1
2
1
#1#2#4#8R1R2R3R4R5
Lewandrowski#1Korsun#2Jarzebowski#3Pajak#4Malicki#5Kasperkiewicz#6Moskwinski#7Kadzinski#8
R3–R5 · LEAD HELD

Tomasz Lewandrowski never relinquished the lead after R3; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Tomasz Lewandrowski beat Wadym Korsun (White).

R1–R5 · WIN STREAK

Tomasz Lewandrowski won 4 in a row (R1–R5).

Cross-table

#PlayerElo12345678PtsSBBhΔ EloPerf
1🇵🇱Lewandrowski, Tomasz1966*111——1—4.09.509.5+36.82738
2🇵🇱Korsun, Wadym19220*—½½11—3.05.5011.5+16.01980
3🇵🇱Jarzebowski, Kacper20790—*10—113.04.0010.0-10.81991
5🇵🇱Malicki, Jan18580½0*—½—12.03.0012.5+5.41901
6🇵🇱Kasperkiewicz, Pawel1903—½1—*—0½2.04.758.0+7.01968
4🇵🇱Pajak, Jakub1921—0—½—*½12.02.257.0-1.01913
7🇵🇱Moskwinski, Marek1894000—1½*—1.53.0014.0-11.41809
8🇵🇱Kadzinski, Wieslaw1976——00½0—*0.51.009.0-34.01618

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets