Jurajski Jesienny Turniej Szachowy 2025 - gr A

Open SwissStandard

36 players participated in this 7-round tournament, held from 18 Oct 2025 to 19 Oct 2025 in Zawiercie, Poland. Top 10 Elo average was 1694, and top seed was Jakub Wieczorek (🇵🇱 POL, 1924).

Lech Wieczorek (🇵🇱 POL, 1796) won with 6.5/7, ahead of Rafal Chomicki (5.5) and Jakub Wieczorek (5.0). Wieczorek won solo starting round 4.

The biggest upset came in round 2: Mikolaj Libura (1482) beat Szymon Jagielski (1705), a +223-point gap.

Location

🇵🇱Zawiercie, Poland

Dates

18 Oct 2025 → 19 Oct 2025

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇱Jakub Wieczorek1924

Avg top 10

1,694

Participants

Federations · 1 represented

🇵🇱Poland×34

Top 3

🥇
Lech Wieczorek
🇵🇱POL·1796
6.5pts·1998perf+20.4
🥈
Rafal Chomicki
🇵🇱POL·1718
5.5pts·2008perf+42.0
🥉
Jakub Wieczorek
🇵🇱POL·1924
5.0pts·1763perf-19.2

How it unfolded

Top 6 · 7 rounds

Lech Wieczorek led from R4; +1.0-point edge over the runner-up.

Co-leaders

Wieczorek6.5Chomicki5.5Wieczorek5Kolodziejczyk5Libura5Krupinski5

R4–R7 · LEAD HELD

Lech Wieczorek never relinquished the lead after R4; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

Lech Wieczorek 6 wins (R1–R6)Jakub Wieczorek 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Lech Wieczorek	*	—	1	1
2Rafal Chomicki	—	*	1	½
3Jakub Wieczorek	0	0	*	—
4Bartosz Kolodziejczyk	0	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Wieczorek, Lech	1796	POL	+7N	+31B	+5N	+3B	+9N	+6B	=4N	6.5	29.5	31.5	29.00	1998	+20.4
2	Chomicki, Rafal	1718	POL	+6N	−16B	+17N	+14B	=5N	+8B	+3N	5.5	27.0	30.5	24.50	2008	+42.0
3	Wieczorek, Jakub	1924	POL	+23B	+11N	+12B	−1N	+4B	+13N	−2B	5.0	29.5	32.5	20.50	1763	-19.2
4	Libura, Mikolaj	1482	POL	+25N	+15B	=8N	+16B	−3N	+9B	=1B	5.0	28.0	31.0	20.50	1808	+40.0
5	Kolodziejczyk, Bartosz	1619	POL	+29B	+27N	−1B	+21N	=2B	+15N	=8B	5.0	25.5	27.5	16.00	1769	+39.6
6	Bigaj, Piotr	0	POL	−2B	+26N	+24B	+32N	+16B	−1N	+12B	5.0	25.0	27.0	15.00	1667	0.0
7	Krupinski, Adam	0	POL	−1B	+28N	−10B	+24N	+21B	+17N	+13B	5.0	24.5	26.5	15.50	1685	0.0
8	Brzoska, Mariusz	1661	POL	+17B	+20N	=4B	=9N	+12B	−2N	=5N	4.5	27.5	31.0	18.25	1637	-2.6
9	Stochel, Rafal	1635	POL	+35N	+14B	+13N	=8B	−1B	−4N	+16B	4.5	27.5	28.5	14.75	1547	-21.2
10	Pajka, Tomasz	0	POL	+24B	−13B	+7N	−12N	+23B	=11N	+19B	4.5	24.0	27.0	16.75	1585	0.0
11	Krzyszpien, Mateusz	1518	POL	+33N	−3B	−14N	+30B	+27N	=10B	+23N	4.5	20.5	22.5	11.25	1681	+6.2
12	Machnik, Adam	1550	POL	+21N	+22B	−3N	+10B	−8N	+14B	−6N	4.0	26.0	29.0	14.50	992	-18.0
13	Idzior, Andrzej	1599	POL	+28B	+10N	−9B	+22N	+15N	−3B	−7N	4.0	26.0	28.0	13.50	1631	+3.2
14	Gubala, Robert	0	POL	+18B	−9N	+11B	−2N	+29B	−12N	+27B	4.0	24.0	26.0	12.00	1534	0.0
15	Jagielski, Szymon	1705	POL	+34B	−4N	+18B	+27N	−13B	−5B	+21N	4.0	22.5	24.5	10.50	767	-40.8
16	Iwanczuk, Wojciech	0	POL	+19B	+2N	=29B	−4N	−6N	+25B	−9N	3.5	26.5	28.5	13.00	1624	0.0
17	Michniewski, Sebastian	0	POL	−8N	+19N	−2B	+31B	+32N	−7B	=22N	3.5	23.5	25.5	9.00	1638	0.0
18	Pluta, Kamil	0	POL	−14N	+36B	−15N	=20N	+22B	−19N	+26B	3.5	20.5	21.5	8.25	1496	0.0
19	Maj, Piotr	1679	POL	−16N	−17B	+35N	=29N	+26B	+18B	−10N	3.5	19.5	20.5	8.00	1604	-4.0
20	Misiak, Przemyslaw	1468	POL	+30N	−8B	−21N	=18B	=25N	=22B	+28N	3.5	19.0	21.0	8.75	860	-10.0
21	Wodniak, Piotr	0	POL	−12B	+34N	+20B	−5B	−7N	+24N	−15B	3.0	24.5	26.5	8.50	1517	0.0
22	Jarzynska, Magdalena	0	POL	+26B	−12N	+23B	−13B	−18N	=20N	=17B	3.0	21.5	24.0	9.00	1428	0.0
23	Wiesiolek, Blazej	1408	POL	−3N	+30B	−22N	+28B	−10N	+32B	−11B	3.0	21.0	23.0	6.00	881	-18.8
24	Pierzynka, Konrad	1598	POL	−10N	+35B	−6N	−7B	+36N	−21B	+33N	3.0	20.5	21.5	4.00	2277	+13.2
25	FIDE 545043655	0	—	−4B	−29N	=26B	+33N	=20B	−16N	+30B	3.0	18.5	20.5	7.00	1245	0.0
26	FIDE 545043620	0	—	−22N	−6B	=25N	+35B	−19N	+28B	−18N	2.5	20.0	21.0	4.50	880	0.0
27	Krawczyk, Marcin	0	POL	+36N	−5B	+31N	−15B	−11B	F	−14N	2.0	21.5	22.5	3.00	1492	0.0
28	Niepsuj, Piotr	0	POL	−13N	−7B	+33N	−23N	+31B	−26N	−20B	2.0	20.0	22.0	4.00	1308	0.0
29	Laczkowski, Jan	1602	POL	−5N	+25B	=16N	=19B	−14N	F	—	2.0	19.0	21.0	6.50	1458	-14.8
30	Skipirzepa, Dawid	0	POL	−20B	−23N	+34B	−11N	−33B	+31N	−25N	2.0	18.0	20.0	4.00	1288	0.0
31	Kolasa, Wojciech	1497	POL	+32B	−1N	−27B	−17N	−28N	−30B	+36N	2.0	18.0	19.0	3.00	1637	+12.8
32	Jagoda, Antoni	0	POL	−31N	+33B	+36N	−6B	−17B	−23N	−34B	2.0	17.5	18.5	3.00	1346	0.0
33	Michalska, Justyna	0	POL	−11B	−32N	−28B	−25B	+30N	+34N	−24B	2.0	16.5	18.5	4.00	760	0.0
34	Canibol, Jakub	0	POL	−15N	−21B	−30N	−36B	+35N	−33B	+32N	2.0	14.0	15.0	3.00	791	0.0
35	Benduch, Maciej	0	POL	−9B	−24N	−19B	−26N	−34B	+36B	F	1.0	16.5	16.5	1.00	1406	0.0
36	Malek, Damian	1477	POL	−27B	−18N	−32B	+34N	−24B	−35N	−31B	1.0	14.5	15.5	2.00	748	-32.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Chomicki, RafalPOL
+42.0
5.5 pts · #7
2Libura, MikolajPOL
+40.0
5.0 pts · #6
3Kolodziejczyk, BartoszPOL
+39.6
5.0 pts · #5

Top rating losers

1Jagielski, SzymonPOL
-40.8
4.0 pts · #31
2Malek, DamianPOL
-32.0
1.0 pts · #36
3Stochel, RafalPOL
-21.2
4.5 pts · #16

Biggest upsets

R2+223 Elo gap
Libura, Mikolaj1482 beat Jagielski, Szymon1705
R7+206 Elo gap
Chomicki, Rafal1718 beat Wieczorek, Jakub1924
R6+153 Elo gap
Libura, Mikolaj1482 beat Stochel, Rafal1635