CChessStats

XI Turniej Mikolajkowy - grupa B1

Open SwissStandard

32 players participated in this 7-round tournament, held from 06 Dec 2025 to 07 Dec 2025 in Grodzisk Mazowiecki, Poland. Top 10 Elo average was 1563, and top seed was Szymon Cierlik (🇵🇱 POL, 1607).

Krzysztof Szerffel (🇵🇱 POL, 1569) won with 6.5/7, ahead of Maryia Murmantsava (6.0) and Maciej Zajkowski (5.5). Szerffel won solo starting round 5.

The biggest upset came in round 1: Krzysztof Pierzchlewski (1432) beat Borys Reczkowski (1593), a +161-point gap.

Location
🇵🇱Grodzisk Mazowiecki, Poland
Dates
06 Dec 2025 → 07 Dec 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇵🇱Szymon Cierlik1607
Avg top 10
1,563
Participants
32
Federations · 1 represented
🇵🇱Poland×31
Top 3

How it unfolded

Top 6 · 7 rounds

Krzysztof Szerffel led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
14
7
4
2
1
1
1
23.55.57R1R2R3R4R5R6R7
R5–R7 · LEAD HELD

Krzysztof Szerffel held the sole lead from R5 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Krzysztof Szerffel beat Maryia Murmantsava (Black).

WIN STREAKS · 3 top finishers

Krzysztof Szerffel 6 wins (R1–R6)Maryia Murmantsava 4 wins (R1–R4)Maciej Zajkowski 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Szerffel, Krzysztof1569POL+14N+19B+6N+5B+2N+4B=3N6.529.032.029.251917+82.8
2Murmantsava, Maryia1589POL+15B+7N+4B+3N1B+9N+13B6.029.533.026.501780+53.2
3Zajkowski, Maciej1472POL+25N+9B+11N2B+5N+7B=1B5.529.532.022.751738+40.6
4Pociejewski, Bartlomiej1524POL+12N+28B2N+19B+6N1N+16B5.027.528.516.001592+18.8
5Cyluk, Teodor1546POL+24B+18N+27B1N3B+10B=7N4.526.528.514.251543-0.8
6Paluszkiewicz, Rafal1521POL+31N+21B1B+20N4B=16N+22B4.524.025.011.751455-14.8
7Ponikowski, Ignacy1482POL+29N2B+28N+27N+8B3N=5B4.523.524.510.751532+12.0
8Owczarzak, Liliana1465POL=10N11B+32N+26B7N+14B+17N4.522.023.012.501570+37.2
9Andruszkiewicz, Szymon1573POL+13B3N+24B=15N+18B2B=10N4.026.529.013.751329-48.0
10Cierlik, Szymon1607POL=8B=20N=14B+21N+15B5N=9B4.023.026.014.001497-21.2
11Gnatowicz, Jakub1507POL=20B+8N3B14N+26B=18N+21B4.023.025.513.251631+18.0
12Ignaczak, Jakub0POL4B16N+22B17N+30N+19B+20B4.021.022.010.0014850.0
13Zbrzezna, Maja0POL9N25B+29N+28B+21B+20N2N4.019.520.58.007740.0
14Rytel, Mikolaj0POL1B+22N=10N+11B16B8N+26B3.525.528.011.5015420.0
15Lawicki, Kacper1427POL2N+29B+25N=9B10N=17B=18N3.523.524.59.001344-16.0
16Banasiuk, Mateusz1505POL28N+12B21N+25B+14N=6B4N3.522.523.512.251329-16.0
17Kowalski, Cezary0POL30N+23B19N+12B+24B=15N8B3.520.521.511.251306-25.6
18Napierkowski, Franciszek0POL+32N5B=26N+30B9N=11B=15B3.519.520.57.0015120.0
19Pierzchlewski, Krzysztof1432POL+22B1N+17B4N20B12N+29B3.025.026.07.501521+18.8
20Ponikowski, Witold0POL=11N=10B+30N6B+19N13B12N3.023.524.58.0015280.0
21Zwierzynski, Jeremi0POL+26N6N+16B10B13N+23B11N3.023.025.59.0015300.0
22Reczkowski, Borys1593POL19N14B12N+31B+28N+24B6N3.018.519.54.50677-52.4
23Ponikowska, Aleksandra1408POL27B17N+31B24N+29B21N+32B3.013.014.03.001368-18.4
24Canibol, Jakub0POL5N+32B9N+23B17N22N=25B2.520.521.55.2513880.0
25Rutkowski, Dawid0POL3B+13N15B16N31N+30B=24N2.520.021.06.2512720.0
26Malecki, Adam1499POL21B+31N=18B8N11N+28B14N2.519.520.53.75689-49.6
27Grzywacz, Stanislaw1584POL+23N+30B5N7B2.012.013.04.001498-18.4
28Rozycki, Marceli0POL+16B4N7B13N22B26NF1.022.522.53.5012930.0
29Kutnik, Jan0POL7B15N13B+32B23NF19N1.019.019.01.0012250.0
30Bryczkowski, Dominik1475POL+17B27N20B18N12B25NF1.018.519.53.501492+2.0
31FIDE 9118385506B26B23N22N+25B32NF1.016.517.52.507330.0
32Skoneczka, Czeslawa1523POL18B24N8B29NF+31B23N1.015.515.51.00674-42.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets