Polfinaly Mistrzostw Polski Juniorow 2025 C-13

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57 players participated in this 9-round tournament, held from 02 Nov 2025 to 09 Nov 2025 in Jastrzebia Gora, Poland. 1 titled players. Top 10 Elo average was 1901, and top seed was Matvii Bilochenko (🇵🇱 POL, CM, 1991).

Adam Marcinkowski (🇵🇱 POL, 1958) won with 7.0/9, ahead of Marcel Bury (7.0) and Piotr Kucewicz (6.5). Marcinkowski shared the lead from round 6, winning on tie-break.

The biggest upset came in round 3: Simon Rajlich (1601) beat Hubert Olbrycht (1983), a +382-point gap.

Location

🇵🇱Jastrzebia Gora, Poland

Dates

02 Nov 2025 → 09 Nov 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇵🇱CMMatvii Bilochenko1991

Avg top 10

1,901

Participants

Titled players · 1

CM×1

Federations · 1 represented

🇵🇱Poland×57

Top 3

🥇
Adam Marcinkowski
🇵🇱POL·1958
7.0pts·2008perf+22.8
🥈
Marcel Bury
🇵🇱POL·1788
7.0pts·2022perf+106.8
🥉
Piotr Kucewicz
🇵🇱POL·1923
6.5pts·1944perf+17.6

How it unfolded

Top 6 · 9 rounds

Tight race until R7; 2 players tied at 7.0/9, decided on Buchholz.

Co-leaders

Marcinkowski7Bury7Kucewicz6.5Zawal6.5Sniedziewski6.5Chmielek6

R7 · LEADER CHANGE07 Nov

Adam Marcinkowski takes the sole lead (6.0/7).

R9 · TIEBREAK CLUSTER

2 players finish on 7.0/9. Marcinkowski takes the title on Buchholz Cut1 (46.0).

R8 · HEAD-TO-HEAD · WINNER VS 2ND

Adam Marcinkowski drew with Marcel Bury (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Adam Marcinkowski	*	½	½	1
2Marcel Bury	½	*	½	—
3Piotr Kucewicz	½	½	*	—
4Krzysztof Zawal	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Marcinkowski, Adam	1958	POL	+25N	+30B	+13N	−6B	+23N	+5B	+9N	=2B	=3N	7.0	46.0	50.5	37.75	2008	+22.8
2	Bury, Marcel	1788	POL	+48B	+31N	+15B	=3N	=9B	=4N	+23B	=1N	+8B	7.0	46.0	49.0	36.25	2022	+106.8
3	Kucewicz, Piotr	1923	POL	+43N	+26B	=23N	=2B	+14N	=7B	+6N	=4N	=1B	6.5	47.0	51.0	35.50	1944	+17.6
4	Sniedziewski, Emil	1954	POL	+39B	=29N	+11B	+35N	=6N	=2B	+7N	=3B	=5N	6.5	46.0	50.0	34.75	1918	-7.6
5	Zawal, Krzysztof	1816	POL	=40B	+53N	=29B	+33N	+28B	−1N	+12B	+14N	=4B	6.5	42.0	44.0	29.50	1919	+52.4
6	Chmielek, Milan	1919	POL	+28B	+33N	+7B	+1N	=4B	−9N	−3B	+23N	=17B	6.0	46.0	50.5	32.50	1930	+8.8
7	Owad, Jakub	1742	POL	+32N	+51B	−6N	+30B	+27N	=3N	−4B	+15B	=9N	6.0	43.5	45.5	27.00	1871	+62.8
8	Zieba, Franciszek	1797	POL	=37N	−11B	+32N	+25B	=10N	+26B	+20N	+9B	−2N	6.0	42.0	46.0	28.75	1843	+23.2
9	Sakharchuk, Aliaksandr	1876	POL	+22N	=10B	+37N	+19B	=2N	+6B	−1B	−8N	=7B	5.5	48.0	52.0	29.75	1839	-12.0
10	Kozlowski, Kacper	1669	POL	+12B	=9N	−17B	+38N	=8B	=16B	−15N	+33N	+23B	5.5	42.5	46.5	27.00	1866	+94.0
11	Jamka, Wojciech	1702	POL	=42B	+8N	−4N	+48B	+19N	−23B	+27N	=16B	=21N	5.5	41.5	44.5	26.25	1788	+43.2
12	Bilochenko, MatviiCM	1991	POL	−10N	+49B	=27N	+37B	=15N	+30B	−5N	+25B	=14B	5.5	40.5	43.5	23.75	1747	-90.8
13	Koch, Maciej	1741	POL	+36B	+18N	−1B	−28N	−24B	+45N	+35B	+20B	=16N	5.5	40.0	43.5	24.75	1766	+12.3
14	Meler, Adam	1713	POL	−45B	+50N	+47B	+18N	−3B	+28N	+38B	−5B	=12N	5.5	39.5	41.5	22.25	1783	+34.4
15	Was, Stanislaw	1717	POL	+55N	+57B	−2N	=26B	=12B	=24N	+10B	−7N	+25N	5.5	39.5	40.5	20.25	1751	+14.8
16	Wasiluk, Dominik	1729	POL	+50B	=24N	−35B	=31N	+39B	=10N	+18B	=11N	=13B	5.5	39.0	41.0	24.25	1729	+2.0
17	Gorka, Tymoteusz	1771	POL	+49N	=27B	+10N	−23B	=26N	=25B	=24N	+34B	=6N	5.5	38.5	41.5	25.00	1731	-14.8
18	Mazgaj, Bartosz	1686	POL	+52N	−13B	+57N	−14B	=21N	+19B	−16N	+27B	+24N	5.5	38.0	39.0	20.00	1709	+10.0
19	Reterski, Wiktor	1765	POL	=35B	+42N	+24B	−9N	−11B	−18N	+48B	+36N	+26B	5.5	37.5	40.5	22.00	1717	-20.4
20	Olbrycht, Hubert	1983	POL	−24B	+36N	−28B	+45N	+35B	+31N	−8B	−13N	+39B	5.0	37.0	40.5	20.00	1696	-112.0
21	Iwulski, Krzysztof	1774	POL	=53B	−35N	+42B	=24N	=18B	=36N	+31B	=26N	=11B	5.0	36.5	38.5	21.50	1655	-53.6
22	Cieplucha, Nikodem	1600	POL	−9B	−46N	+50B	=47N	−36B	+44N	+52B	+38N	=31B	5.0	31.0	33.0	16.00	1679	+28.8
23	Kolasinski, Kamil	1715	POL	+44B	+45N	=3B	+17N	−1B	+11N	−2N	−6B	−10N	4.5	47.0	50.5	21.75	1745	+14.0
24	Kondratiuk, Jakub	1668	POL	+20N	=16B	−19N	=21B	+13N	=15B	=17B	=29N	−18B	4.5	43.0	47.5	23.50	1764	+44.0
25	Rabenda, Grzegorz	1631	POL	−1B	+44N	+46B	−8N	+29B	=17N	+33B	−12N	−15B	4.5	42.5	46.0	19.25	1725	+32.8
26	Szuszkiewicz, Stanislaw	1681	POL	+46B	−3N	+52B	=15N	=17B	−8N	+41B	=21B	−19N	4.5	41.5	43.5	17.50	1682	-1.6
27	Komarow-Dereniowski, Jan	1574	POL	+38B	=17N	=12B	+29N	−7B	=33N	−11B	−18N	+46B	4.5	41.0	44.5	19.75	1714	+53.2
28	Rajlich, Simon	1601	POL	−6N	+54B	+20N	+13B	−5N	−14B	−34N	+47B	=32N	4.5	41.0	43.0	18.25	1684	+33.2
29	Zaglowek, Blazej	1714	POL	+34N	=4B	=5N	−27B	−25N	+57B	=32N	=24B	=30N	4.5	40.0	41.0	18.75	1623	-36.4
30	Bombinski, Michal	1686	POL	+47B	−1N	+45B	−7N	+41B	−12N	=36B	=39N	=29B	4.5	38.5	42.0	17.25	1700	+2.8
31	Zawadzki, Antoni	1693	POL	+56N	−2B	=34N	=16B	+43N	−20B	−21N	+50B	=22N	4.5	38.0	39.5	15.00	1646	-22.4
32	Slawniak, Jakub	1545	POL	−7B	=38N	−8B	+44N	+46B	=35N	=29B	=41N	=28B	4.5	37.0	40.5	18.00	1631	+32.8
33	Piasetski, Mark	1710	POL	+54N	−6B	+51N	−5B	+34N	=27B	−25N	−10B	+45N	4.5	37.0	39.0	14.25	1614	-44.0
34	Kupczyk, Jan	1493	POL	−29B	+39N	=31B	=41N	−33B	+50N	+28B	−17N	=35B	4.5	35.5	37.5	16.75	1656	+91.6
35	Nowatkiewicz, Piotr	1545	POL	=19N	+21B	+16N	−4B	−20N	=32B	−13N	=43B	=34N	4.0	42.0	46.0	19.75	1672	+50.4
36	Bernas, Krzysztof	1517	POL	−13N	−20B	=54N	+49B	+22N	=21B	=30N	−19B	=41B	4.0	37.5	39.5	15.75	1650	+56.0
37	Sakiewicz, Bartosz	1589	POL	=8B	+40N	−9B	−12N	+47B	−38N	−39B	=46N	+54B	4.0	36.0	38.0	14.25	1664	+23.2
38	Nguyen, Kajetan Linh	1781	POL	−27N	=32B	+40N	−10B	+51N	+37B	−14N	−22B	=49N	4.0	36.0	38.0	13.75	1552	-102.4
39	Jasinski, Bartlomiej	1628	POL	−4N	−34B	+55N	+57B	−16N	=48B	+37N	=30B	−20N	4.0	35.0	36.0	10.75	1598	-21.2
40	Donocik, Jan	1597	POL	=5N	−37B	−38B	=46N	+42B	−41N	=45B	=44N	+50N	4.0	33.5	35.5	14.75	1567	-15.6
41	Kaczmarek, Piotr	1737	POL	−51N	+55B	=48N	=34B	−30N	+40B	−26N	=32B	=36N	4.0	31.0	33.0	14.00	1522	-99.6
42	Paziewski, Stanislaw	1446	POL	=11N	−19B	−21N	=55B	−40N	+54B	=49N	+51B	=43N	4.0	31.0	33.0	11.25	1557	+38.0
43	Milewski, Filip	1615	POL	−3B	−47N	+53B	+56N	−31B	=52N	=46B	=35N	=42B	4.0	30.0	31.5	10.25	1544	-2.8
44	Tendera, Jan	1494	POL	−23N	−25B	=49N	−32B	+55N	−22B	+56N	=40B	+53N	4.0	29.5	31.0	9.00	1526	+16.4
45	Wasilewski, Dawid	1488	POL	+14N	−23B	−30N	−20B	+54N	−13B	=40N	+52B	−33B	3.5	35.5	37.5	11.50	1548	+18.0
46	Dudar, Jan	0	POL	−26N	+22B	−25N	=40B	−32N	+51B	=43N	=37B	−27N	3.5	35.0	37.0	13.00	1506	0.0
47	Makos, Adam	1401	POL	−30N	+43B	−14N	=22B	−37N	=49B	+53B	−28N	=48B	3.5	33.5	35.5	11.50	1522	-8.4
48	Guss, Hubert	1586	POL	−2N	+56B	=41B	−11N	=52B	=39N	−19N	−49B	=47N	3.0	34.5	36.0	8.25	1503	-36.8
49	Kania, Wiktor	1546	POL	−17B	−12N	=44B	−36N	F	=47N	=42B	+48N	=38B	3.0	33.5	33.5	10.75	1551	-8.8
50	Tanski, Jakub	1510	POL	−16N	−14B	−22N	F	+56B	−34B	+57N	−31N	−40B	2.0	31.5	31.5	2.50	1294	-66.8
51	Zyznowski, Adam	1512	POL	+41B	−7N	−33B	=52N	−38B	−46N	=55B	−42N	F	2.0	30.0	30.0	6.00	1461	-19.6
52	Barouski, Yahor	0	POL	−18B	F	−26N	=51B	=48N	=43B	−22N	−45N	=55B	2.0	29.5	29.5	5.50	1381	0.0
53	Guminski, Wiktor	1550	POL	=21N	−5B	−43N	=54B	−57N	+56B	−47N	F	−44B	2.0	27.5	27.5	5.00	1421	-52.0
54	Boguszewski, Damian	1463	POL	−33B	−28N	=36B	=53N	−45B	−42N	F	+57B	−37N	2.0	27.5	27.5	4.00	1252	-62.0
55	Liwicki, Michal	1506	POL	−15B	−41N	−39B	=42N	−44B	F	=51N	=56B	=52N	2.0	27.0	27.0	4.75	1342	-52.4
56	Trzcinski, Brajan	1439	POL	−31B	−48N	F	−43B	−50N	−53N	−44B	=55N	+57B	1.5	22.5	22.5	2.00	1131	-78.0
57	Iwanicki, Kacper	0	POL	F	−15N	−18B	−39N	+53B	−29N	−50B	−54N	−56N	1.0	27.0	27.0	2.00	1265	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Bury, MarcelPOL
+106.8
7.0 pts · #2
2Kozlowski, KacperPOL
+94.0
5.5 pts · #16
3Kupczyk, JanPOL
+91.6
4.5 pts · #20

Top rating losers

1Olbrycht, HubertPOL
-112.0
5.0 pts · #18
2Nguyen, Kajetan LinhPOL
-102.4
4.0 pts · #34
3Kaczmarek, PiotrPOL
-99.6
4.0 pts · #30

Biggest upsets

R3+382 Elo gap
Rajlich, Simon1601 beat Olbrycht, Hubert1983
R1+322 Elo gap
Kozlowski, Kacper1669 beat CMBilochenko, Matvii1991
R1+315 Elo gap
Kondratiuk, Jakub1668 beat Olbrycht, Hubert1983