CChessStats

Turniej Szachow Klasycznych z okazji 14 urodzin Tomka Grochulskiego. FIDE.

Open SwissStandard

34 players participated in this 5-round tournament, held from 20 Dec 2025 to 21 Dec 2025 in Plock, Poland. 2 titled players. Top 10 Elo average was 1927, and top seed was Magdalena Malicka (🇵🇱 POL, WCM, 2025).

Miroslaw Gawronski (🇵🇱 POL, 2021) won with 4.5/5, ahead of Tomasz Kaczmarek (4.0) and Kajetan Mich (4.0). Gawronski won solo starting round 3.

The biggest upset came in round 5: Mikolaj Pocwiardowski (1579) beat Magdalena Malicka (WCM, 2025), a +446-point gap.

Location
🇵🇱Plock, Poland
Dates
20 Dec 2025 → 21 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱WCMMagdalena Malicka2025
Avg top 10
1,927
Participants
34
Titled players · 2
CM×1
WCM×1
Federations · 1 represented
🇵🇱Poland×34
Top 3

How it unfolded

Top 6 · 5 rounds

Miroslaw Gawronski led from R3; +0.5-point edge over the runner-up.

Co-leaders
16
6
1
1
1
1.52.545R1R2R3R4R5
Gawronski4.5Ostojski4Mich4Bilochenko4Kaczmarek4Pocwiardowski3.5
R3–R5 · LEAD HELD

Miroslaw Gawronski held the sole lead from R3 through R5 without losing it.

R1–R4 · WIN STREAK

Miroslaw Gawronski won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Miroslaw Gawronski*———
2Dawid Ostojski—*
½
—
3Kajetan Mich—
½
*—
4CMMatvii Bilochenko———*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Gawronski, Miroslaw2021POL+21N+22B+9N+14B=2N4.511.513.511.502198+17.2
2Kaczmarek, Tomasz1793POL+29B+16N=4B+6N=1B4.014.516.011.752050+32.4
3Mich, Kajetan1792POL+17N=14B=5N+21B+8N4.012.014.010.752075+70.8
4Bilochenko, MatviiCM1939POL+24N+23B=2N=8B+10B4.012.014.010.501991+14.0
5Ostojski, Dawid1985POL+33B=15N=3B+25N+11B4.011.512.08.751984+0.4
6Gappa, Adam1852POL+32N+26B=8N−2B+18N3.511.512.57.001887+11.6
7Pocwiardowski, Mikolaj1579POL−9N+34B=23N+22B+14N3.59.59.55.501922+83.6
8Mroczkowski, Adam1971POL+27B+11N=6B=4N−3B3.014.516.58.751866-23.6
9Kaminski, Mariusz1913POL+7B+25N−1B−10N+15B3.013.515.58.001832-8.8
10Motylewski, Grzegorz1671POL−14N+30N+13B+9B−4N3.012.514.07.501826+38.0
11Szymanski, Jan1764POL+31B−8B+24N+12B−5N3.012.013.56.501800+5.4
12Kochanowski, Jakub1527POL−15B+27N+16B−11N+25B3.010.012.06.501793+69.6
13Grzegory, Ignacy1414POL−16B+29N−10N+32B+21N3.09.010.04.501697+67.6
14Malicka, MagdalenaWCM2025POL+10B=3N+15B−1N−7B2.515.017.57.501775-57.2
15Grochulski, Tomasz1766POL+12N=5B−14N+23B−9N2.512.514.57.001828+16.0
16Kwiatkowski, Pawel1692POL+13N−2B−12N=17B+29N2.512.514.05.751569-31.6
17Wisniewski, Iwo1541POL−3B=33N+30B=16N=19B2.510.511.04.251625+20.8
18Cieplak, Daria1731POL=30B−20N+33B+26N−6B2.59.510.03.251712-3.6
19Jedreasz, Adam1539POL−22N−21B+28N+24B=17N2.58.510.55.251562+2.0
20Wyzga-Rybicki, Witold1975POL−26N+18B−21N=29B+31N2.58.09.54.751633-38.0
21Zimochocki, Roman1650POL−1B+19N+20B−3N−13B2.014.016.55.001682+0.6
22Kochanowska, Patrycja1776POL+19B−1N=26B−7N=27B2.012.514.54.501610-44.4
23Plachta, Milosz1692POL+28B−4N=7B−15N=26B2.012.014.04.751538-32.8
24Wysocki, Michal1620POL−4B+31N−11B−19N+32B2.011.012.02.501597-10.4
25Grochulski, Krzysztof1759POL+34N−9B+32N−5B−12N2.011.011.01.001626-17.4
26Gorzelinski, Jan1632POL+20B−6N=22N−18B=23N2.010.512.54.501732+10.8
27Golebiowska, Maja1629POL−8N−12B=31N+30B=22N2.09.511.03.251580-15.2
28Trzcinski, Brajan0POL−23N−32B−19B+34N+33B2.06.06.00.5015170.0
29Chazarkiewicz, Jakub1543POL−2N−13B+34N=20N−16B1.512.012.01.251524-5.4
30Puchala, Piotr1457POL=18N−10B−17N−27N+34B1.510.010.01.2514640.0
31Wysocki, Jakub1524POL−11N−24B=27B+33N−20B1.59.510.01.501567+3.6
32Wysocki, Pawel1566POL−6B+28N−25B−13N−24N1.010.512.52.00868-30.0
33Marcinkowski, Pawel1637POL−5N=17B−18N−31B−28N0.511.012.51.251374-50.4
34Wysocka, Maja1501POL−25B−7N−29B−28B−30N0.09.010.50.00785-62.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets