Mistrzostwa Wojewodztwa Lodzkiego Juniorow w Szachach Klasycznych 11-18 lat 2025

Open SwissStandard

60 players participated in this 9-round tournament, held from 19 Jun 2025 to 22 Jun 2025 in Rawa Mazowiecka, Poland. Top 10 Elo average was 1716, and top seed was Przemyslaw Mirowski (🇵🇱 POL, 1889).

Jan Durzynski (🇵🇱 POL, 1838) won with 8.0/9, ahead of Adam Kowtun (7.0) and Ernest Wolski (7.0). Durzynski won solo starting round 5.

The biggest upset came in round 2: Piotr Michalowski (1599) beat Ernest Wolski (1812), a +213-point gap.

Location

🇵🇱Rawa Mazowiecka, Poland

Dates

19 Jun 2025 → 22 Jun 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇵🇱Przemyslaw Mirowski1889

Avg top 10

1,716

Participants

Federations · 1 represented

🇵🇱Poland×53

Top 3

🥇
Jan Durzynski
🇵🇱POL·1838
8.0pts·1969perf+44.8
🥈
Adam Kowtun
🇵🇱POL·1772
7.0pts·1852perf+35.6
🥉
Ernest Wolski
🇵🇱POL·1812
7.0pts·1770perf-4.4

How it unfolded

Top 6 · 9 rounds

Jan Durzynski led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Durzynski8Kowtun7Wolski7Stepnik6.5Mirowski6.5Adamala6.5

R5–R9 · LEAD HELD

Jan Durzynski never relinquished the lead after R5; final gap +1.0 over the runner-up.

R8 · HEAD-TO-HEAD · WINNER VS 2ND

Jan Durzynski beat Adam Kowtun (White).

WIN STREAKS · 3 top finishers

Jan Durzynski 8 wins (R1–R8)Adam Kowtun 3 wins (R2–R4)Ernest Wolski 5 wins (R5–R9)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jan Durzynski	*	1	0	—
2Adam Kowtun	0	*	—	1
3Ernest Wolski	1	—	*	—
4Filip Stepnik	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Durzynski, Jan	1838	POL	+8N	+26B	+28N	+18B	+11N	+5B	+19N	+2B	−3B	8.0	47.0	52.0	45.00	1969	+44.8
2	Kowtun, Adam	1772	POL	=45N	+36B	+14N	+21B	=4N	+6B	+11B	−1N	+8B	7.0	47.0	50.5	37.50	1852	+35.6
3	Wolski, Ernest	1812	POL	=34B	−12N	+45B	=20N	+38B	+24N	+29B	+4B	+1N	7.0	42.5	46.0	36.00	1770	-4.4
4	Mirowski, Przemyslaw	1889	POL	+41B	=14N	+20B	=6N	=2B	+22N	+18B	−3N	+11B	6.5	46.5	50.5	34.00	1759	-40.4
5	Adamala, Jacek	1707	POL	+38B	=20N	=29B	+24N	+10B	−1N	=12B	+18N	+13B	6.5	44.5	48.5	33.00	1685	-5.2
6	Stepnik, Filip	1605	POL	+32B	=29N	+34B	=4B	+28N	−2N	+23B	=11N	+15B	6.5	43.5	47.5	32.25	1741	+56.0
7	Boncela, Milosz	1651	POL	+46B	−10N	+27B	+23N	+29B	−11N	+14B	=13N	+12B	6.5	42.5	46.0	31.75	1660	+2.0
8	Nowak, Alex	1405	POL	−1B	+48N	+59B	−12N	+43B	+16N	+25B	+19B	−2N	6.0	43.5	43.5	23.00	1670	+90.0
9	Wojenka, Antoni	1447	POL	+56B	+16N	−15B	+25N	=12B	−18B	+26N	+27N	=14B	6.0	42.0	44.0	28.00	1631	+70.0
10	Wysocka, Maja	1520	POL	+31N	+7B	−18N	+35B	−5N	−13B	+37N	+36B	+19N	6.0	41.0	45.0	28.00	1667	+39.6
11	Nuszczynski, Michal	1554	POL	+37N	+24B	+19N	+15N	−1B	+7B	−2N	=6B	−4N	5.5	50.0	54.0	29.25	1732	+68.4
12	Michalowski, Piotr	1599	POL	=35N	+3B	=30N	+8B	=9N	=14B	=5N	+25B	−7N	5.5	47.0	51.0	31.25	1683	+34.4
13	Plachta, Milosz	0	POL	−25B	+51N	+16B	+30B	−19N	+10N	+22B	=7B	−5N	5.5	44.0	47.0	27.25	1607	0.0
14	Materek, Bartosz	1531	POL	+60N	=4B	−2B	+34N	+46B	=12N	−7N	+24B	=9N	5.5	44.0	44.0	21.50	1609	+21.2
15	Dysko, Adam	1652	POL	+47N	+22B	+9N	−11B	=18N	−19B	+21N	+20B	−6N	5.5	43.0	46.5	27.00	1591	-25.2
16	Kochanowski, Jakub	1548	POL	+42N	−9B	−13N	+52N	+32B	−8B	+35N	=29N	+30B	5.5	39.0	41.5	21.75	1387	-36.4
17	Stepnik, Hubert	1631	POL	+50N	=30B	−21N	−22B	+31N	+34B	−20N	+23N	+29B	5.5	37.5	41.0	23.75	1499	-49.6
18	Siciarz, Filip	1580	POL	+43B	+33N	+10B	−1N	=15B	+9N	−4N	−5B	=20N	5.0	48.0	52.0	25.75	1647	+28.4
19	Feja, Wojciech	1602	POL	+27B	+23N	−11B	+36N	+13B	+15N	−1B	−8N	−10B	5.0	46.5	50.5	25.00	1505	-37.6
20	Wisniewska, Blanka	1530	POL	+40N	=5B	−4N	=3B	=21N	+46B	+17B	−15N	=18B	5.0	45.0	48.5	24.75	1635	+33.2
21	Sulek, Grzegorz	1517	POL	+51B	=25N	+17B	−2N	=20B	=27N	−15B	+39N	=22B	5.0	42.0	45.0	22.50	1563	+12.4
22	Dabkowska, Michalina	1530	POL	+39B	−15N	=52B	+17N	+26N	−4B	−13N	+47B	=21N	5.0	40.5	43.0	21.75	1647	+26.8
23	Niewiadomski, Bartosz	1467	POL	+54N	−19B	+37N	−7B	+42N	+28B	−6N	−17B	+35N	5.0	40.5	42.5	19.00	1365	-23.2
24	Brzeski, Karol	1514	POL	+53B	−11N	+39B	−5B	+35N	−3B	+40N	−14N	+44B	5.0	40.5	42.5	18.00	858	-48.8
25	Cieplucha, Nikodem	1602	POL	+13N	=21B	=35N	−9B	+47N	+36B	−8N	−12N	+37B	5.0	40.0	43.5	21.50	1332	-72.0
26	Kaluzny, Aleksy	1543	POL	+48B	−1N	+43B	=46N	−22B	+45N	−9B	+41N	=27B	5.0	39.0	42.5	19.25	1362	-39.2
27	Sekrecki, Patryk	0	POL	−19N	+55B	−7N	+56B	+30N	=21B	+28N	−9B	=26N	5.0	39.0	41.0	18.50	1496	0.0
28	Rybak, Szymon	1551	POL	+52B	+59N	−1B	+38N	−6B	−23N	−27B	+42N	+36N	5.0	39.0	39.0	14.50	1393	-30.8
29	Karolak, Szymon	1516	POL	+55N	=6B	=5N	+42B	−7N	+37B	−3N	=16B	−17N	4.5	45.5	47.5	19.25	1467	-14.8
30	Ignaczewski, Szymon	1527	POL	+49B	=17N	=12B	−13N	−27B	+43N	=41B	+34N	−16N	4.5	39.0	42.5	19.00	1590	+17.6
31	Pietras, Maurycy	0	POL	−10B	+32N	−38B	+57N	−17B	−41N	+43B	=33N	+45B	4.5	36.0	38.0	16.25	1414	0.0
32	FIDE 41852850	0	—	−6N	−31B	+54N	+59B	−16N	=39B	=44N	=40B	+47N	4.5	34.0	34.0	11.50	777	0.0
33	Chroscielewski, Maciej	1447	POL	+44N	−18B	−42N	+39B	−37N	−40B	+58N	=31B	+46N	4.5	33.0	34.5	15.25	780	-12.8
34	Slomian, Patryk	1405	POL	=3N	+45B	−6N	−14B	+52N	−17N	+49B	−30B	=40N	4.0	40.0	42.5	15.00	1257	-27.2
35	Soltysiak, Igor	0	POL	=12B	+41N	=25B	−10N	−24B	+51N	−16B	+45N	−23B	4.0	39.5	42.5	15.75	1267	0.0
36	Matuszewska, Kinga	1432	POL	+58B	−2N	+49B	−19B	+40N	−25N	+38B	−10N	−28B	4.0	39.5	41.0	13.00	806	-56.8
37	Kosmala, Aleksandra	0	POL	−11B	+53N	−23B	+49N	+33B	−29N	−10B	+51N	−25N	4.0	37.0	39.0	13.00	1246	0.0
38	Piotrowska, Weronika	0	POL	−5N	+60B	+31N	−28B	−3N	+42B	−36N	−44B	+54B	4.0	37.0	37.0	10.50	822	0.0
39	Ignaczak, Filip	0	POL	−22N	+47B	−24N	−33N	+54B	=32N	+50B	−21B	=41N	4.0	35.0	37.0	13.25	700	0.0
40	Ivanchenko, Bohdan	0	POL	−20B	−46N	+41B	+?N	−36B	+33N	−24B	=32N	=34B	4.0	34.5	34.5	12.75	1403	0.0
41	Blaszczyk, Mateusz	1432	POL	−4N	−35B	−40N	+55B	+59N	+31B	=30N	−26B	=39B	4.0	34.5	34.5	10.75	1381	0.0
42	Bartos, Aleksander	0	POL	−16B	+56N	+33B	−29N	−23B	−38N	+53B	−28B	+51N	4.0	33.5	35.5	11.50	1262	0.0
43	Ciesielska, Aleksandra	0	POL	−18N	+54B	−26N	+58B	−8N	−30B	−31N	+57B	+53N	4.0	31.0	32.5	7.50	715	-56.0
44	Matusik, Bartlomiej	0	POL	−33B	−52N	=48B	−45N	+53B	+55N	=32B	+38N	−24N	4.0	29.5	31.5	12.00	674	0.0
45	Kwiatkowski, Jakub	0	POL	=2B	−34N	−3N	+44B	+?N	−26B	+46N	−35B	−31N	3.5	39.0	39.0	11.00	1447	0.0
46	Dondziak, Jan	0	POL	−7N	+40B	+58N	=26B	−14N	−20N	−45B	+48N	−33B	3.5	37.5	39.0	11.50	1177	0.0
47	Beta, Matteo	0	POL	−15B	−39N	+51B	+53N	−25B	=49N	+48B	−22N	−32B	3.5	34.0	36.0	10.25	796	0.0
48	Bialas, Krzysztof	0	POL	−26N	−8B	=44N	−50B	+60N	+52B	−47N	−46B	+58N	3.5	29.5	29.5	6.00	677	0.0
49	Kwapinski, Jan	0	POL	−30N	+50B	−36N	−37B	+58N	=47B	−34N	+52B	−?N	3.5	27.5	27.5	9.25	652	0.0
50	Kedzia, Filip	0	POL	−17B	−49N	−53B	+48N	−51B	+54N	−39N	=58B	+52N	3.5	26.0	27.5	8.75	832	0.0
51	FIDE 545015619	0	—	−21N	−13B	−47N	+60B	+50N	−35B	+57N	−37B	−42B	3.0	31.5	31.5	5.50	717	0.0
52	Kosmala, Natalia	0	POL	−28N	+44B	=22N	−16B	−34B	−48N	+59B	−49N	−50B	2.5	34.0	34.0	6.50	1184	0.0
53	FIDE 91159989	0	—	−24N	−37B	+50N	−47B	−44N	+56B	−42N	F	−43B	2.0	30.0	30.0	5.50	652	0.0
54	Dziki, Sebastian	0	POL	−23B	−43N	−32B	F	−39N	−50B	+60B	+59N	−38N	2.0	25.0	25.0	0.00	635	0.0
55	Wiecek, Michalina	0	POL	−29B	−27N	−57B	−41N	F	−44B	+56N	−?B	+60N	2.0	21.5	21.5	2.00	678	0.0
56	FIDE 91190070	0	—	−9N	−42B	F	−27N	−57B	−53N	−55B	+60N	+59B	2.0	21.0	21.0	0.00	646	0.0
57	Lus, Natan	0	POL	F	F	+55N	−31B	+56N	F	−51B	−43N	F	2.0	15.5	15.5	4.00	603	0.0
58	FIDE 91178339	0	—	−36N	F	−46B	−43N	−49B	+59N	−33B	=50N	−48B	1.5	26.5	26.5	1.75	628	0.0
59	FIDE 91159997	0	—	F	−28B	−8N	−32N	−41B	−58B	−52N	−54B	−56N	0.0	27.5	27.5	0.00	672	0.0
60	FIDE 91160049	0	—	−14B	−38N	−?B	−51N	−48B	F	−54N	−56B	−55B	0.0	22.0	22.0	0.00	693	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Nowak, AlexPOL
+90.0
6.0 pts · #13
2Wojenka, AntoniPOL
+70.0
6.0 pts · #12
3Nuszczynski, MichalPOL
+68.4
5.5 pts · #11

Top rating losers

1Cieplucha, NikodemPOL
-72.0
5.0 pts · #25
2Matuszewska, KingaPOL
-56.8
4.0 pts · #51
3Ciesielska, AleksandraPOL
-56.0
4.0 pts · #55

Biggest upsets

R2+213 Elo gap
Michalowski, Piotr1599 beat Wolski, Ernest1812
R8+197 Elo gap
Nowak, Alex1405 beat Feja, Wojciech1602
R7+197 Elo gap
Nowak, Alex1405 beat Cieplucha, Nikodem1602