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306th YMCA Autumn 2025-A Round 11-13

Round-RobinStandard

11 players participated in this 13-round tournament, held from 05 Dec 2025 to 19 Dec 2025 in Warszawa, Poland. 1 titled players from 2 federations. Top 10 Elo average was 2085, and top seed was Bartlomiej Rozycki (๐Ÿ‡ต๐Ÿ‡ฑ POL, 2197).

Witold Kowalski (๐Ÿ‡ต๐Ÿ‡ฑ POL, 2087) won with 2.5/13, ahead of Aleksander Choroszej (2.0) and Kacper Majek (1.5). Kowalski shared the lead from round 12 and broke clear in the final round.

The biggest upset came in round 11: Pawel Kasperkiewicz (1937) beat Wadym Korsun (2056), a +119-point gap.

Location
๐Ÿ‡ต๐Ÿ‡ฑWarszawa, Poland
Dates
05 Dec 2025 โ†’ 19 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin ยท 13 rounds
Top seed
๐Ÿ‡ต๐Ÿ‡ฑBartlomiej Rozycki2197
Avg top 10
2,085
Participants
11
Titled players ยท 1
IMร—1
Federations ยท 2 represented
๐Ÿ‡ต๐Ÿ‡ฑPolandร—10
๐Ÿ‡ซ๐Ÿ‡ทFranceร—1
Top 3
  • ๐Ÿฅ‡
    Witold Kowalski
    ๐Ÿ‡ต๐Ÿ‡ฑPOLยท2087
    2.5ptsยท2319perf+33.2
  • ๐Ÿฅˆ
    Aleksander Choroszej
    ๐Ÿ‡ต๐Ÿ‡ฑPOLยท2072
    2.0ptsยท2881perf+20.4
  • ๐Ÿฅ‰
    Kacper Majek
    ๐Ÿ‡ต๐Ÿ‡ฑPOLยท2098
    1.5ptsยท2328perf+12.0

How it unfolded

Top 11 ยท 13 rounds

Witold Kowalski led from R13 onwards, the runner-up race stayed tight. Title race converged from 12 co-leaders at R4 to 1 by R13.

Co-leaders
13
13
12
12
12
12
12
11
2
2
1
2
1
#1#2#6#11R1R2R3R4R5R6R7R8R9R10R11R12R13Kowalski takes lead
Kowalski#1Choroszej#2Rozycki#3Majek#4Laffonta#5Podgorski#6Kasperkiewicz#7Nowak#8Korsun#9Flis#10Chrzaszcz#11
R13 ยท LEADER CHANGE19 Dec

Witold Kowalski takes the sole lead (2.5/13).

Cross-table

#PlayerElo1234567891011PtsSBBhฮ” EloPerf
1๐Ÿ‡ต๐Ÿ‡ฑKowalski, Witold2087*โ€”ยฝโ€”1โ€”โ€”โ€”1โ€”โ€”2.51.752.5+33.22319
2๐Ÿ‡ต๐Ÿ‡ฑChoroszej, Aleksander2072โ€”*โ€”โ€”โ€”โ€”โ€”1โ€”1โ€”2.00.500.5+20.42881
4๐Ÿ‡ต๐Ÿ‡ฑMajek, Kacper2098ยฝโ€”*โ€”โ€”โ€”โ€”1โ€”โ€”โ€”1.51.753.0+12.02328
3๐Ÿ‡ต๐Ÿ‡ฑRozycki, Bartlomiej2197โ€”โ€”โ€”*โ€”โ€”โ€”ยฝโ€”1โ€”1.50.250.5+4.02274
6๐Ÿ‡ต๐Ÿ‡ฑPodgorski, Maciej20300โ€”โ€”โ€”*โ€”โ€”โ€”1โ€”โ€”1.00.002.5+1.02049
5๐Ÿ‡ซ๐Ÿ‡ทLaffonta, Matthias2135โ€”โ€”โ€”โ€”โ€”*1โ€”โ€”โ€”โ€”1.01.001.0+4.82737
7๐Ÿ‡ต๐Ÿ‡ฑKasperkiewicz, Pawel1937โ€”โ€”โ€”โ€”โ€”0*โ€”โ€”โ€”11.00.001.0+8.42096
8๐Ÿ‡ต๐Ÿ‡ฑIMNowak, Lukasz2183โ€”00ยฝโ€”โ€”โ€”*โ€”โ€”โ€”0.50.755.0-12.51850
10๐Ÿ‡ต๐Ÿ‡ฑFlis, Piotr20110โ€”โ€”โ€”0โ€”โ€”โ€”*โ€”โ€”0.00.003.5-17.21259
11๐Ÿ‡ต๐Ÿ‡ฑChrzaszcz, Malvina1978โ€”0โ€”0โ€”โ€”โ€”โ€”โ€”*โ€”0.00.003.5-11.81335
9๐Ÿ‡ต๐Ÿ‡ฑKorsun, Wadym2056โ€”โ€”โ€”โ€”โ€”โ€”0โ€”โ€”โ€”*0.00.001.0-26.41137

Key insights

Biggest movers and upsets โ€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
306th YMCA Autumn 2025-A Round 11-13 โ€” Warszawa, Poland | Chess Tournament Results | ChessStats