Eliminacje Strefowe PL-LU Bialystok 2025 - C09

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18 players participated in this 9-round tournament, held from 10 Sept 2025 to 14 Sept 2025 in Bialystok, Poland. Top 10 Elo average was 899, and top seed was Wawrzyniec Wasilewicz (🇵🇱 POL, 1552).

Bartosz Osmolski (🇵🇱 POL, 1424) won with 8.0/9, ahead of Wawrzyniec Wasilewicz (7.5) and Ignacy Spiewak (6.0). Osmolski shared the lead from round 6 and won solo starting round 7.

Location

🇵🇱Bialystok, Poland

Dates

10 Sept 2025 → 14 Sept 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇵🇱Wawrzyniec Wasilewicz1552

Avg top 10

899

Participants

Federations · 1 represented

🇵🇱Poland×17

Top 3

🥇
Bartosz Osmolski
🇵🇱POL·1424
8.0pts·1702perf+59.2
🥈
Wawrzyniec Wasilewicz
🇵🇱POL·1552
7.5pts·1669perf+22.0
🥉
Ignacy Spiewak
🇵🇱POL·1514
6.0pts·1376perf-22.4

How it unfolded

Top 6 · 9 rounds

Bartosz Osmolski led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.

Co-leaders

Osmolski8Wasilewicz7.5Minkiewicz6Spiewak6Pilka5.5Piatkowski5

R5 · LEADER CHANGE12 Sept

Wawrzyniec Wasilewicz takes the sole lead (4.5/5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Bartosz Osmolski drew with Wawrzyniec Wasilewicz (Black).

R6–R9 · WIN STREAK

Bartosz Osmolski won 4 in a row (R6–R9).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Bartosz Osmolski	*	½	½	1
2Wawrzyniec Wasilewicz	½	*	½	1
3Filip Minkiewicz	½	½	*	—
4Ignacy Spiewak	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Osmolski, Bartosz	1424	POL	+18N	+11B	=2N	+5B	=4N	+6B	+3N	+9B	+8N	8.0	43.5	44.0	37.25	1702	+59.2
2	Wasilewicz, Wawrzyniec	1552	POL	+6B	+12N	=1B	+8N	+3B	=4N	=5B	+14N	+9N	7.5	44.0	48.0	38.25	1669	+22.0
3	Spiewak, Ignacy	1514	POL	−8B	+7N	+16B	+13N	−2N	+14B	−1B	+10N	+5B	6.0	43.5	47.0	27.00	1376	-22.4
4	Minkiewicz, Filip	1473	POL	+13B	+16N	−8B	+10N	=1B	=2B	−6N	+7N	+14B	6.0	43.0	46.5	29.25	1626	+26.0
5	Pilka, Oskar	0	POL	+17B	+10N	=9B	−1N	=14N	+11B	=2N	+6B	−3N	5.5	44.0	47.0	25.00	1432	0.0
6	Piatkowski, Szymon	0	POL	−2N	+?B	=14N	+9N	+8B	−1N	+4B	−5N	=13B	5.0	44.5	44.5	19.25	1486	0.0
7	Ostrowski, Jakub	0	POL	−14N	−3B	+?N	+15B	−11N	+12N	+10B	−4B	+16N	5.0	37.0	37.0	16.50	1377	0.0
8	Minkiewicz, Jan	0	POL	+3N	+14B	+4N	−2B	−6N	=10N	−9B	+12N	−1B	4.5	46.0	50.0	22.75	1440	0.0
9	Perkowski, Ignacy	1501	POL	−11N	+18B	=5N	−6B	+16N	+17B	+8N	−1N	−2B	4.5	41.5	42.0	14.25	689	-41.2
10	Szpakowicz, Adam	1525	POL	+15N	−5B	+11N	−4B	+13N	=8B	−7N	−3B	+17N	4.5	40.0	43.0	18.25	690	-43.6
11	Guziejko, Michal	0	POL	+9B	−1N	−10B	=16N	+7B	−5N	−?B	+15N	+?B	4.5	35.0	35.0	15.25	1357	0.0
12	Brezgiel, Nikodem	0	POL	+?N	−2B	+15N	−14B	=17N	−7B	+16N	−8B	+?N	4.5	31.5	31.5	9.00	756	0.0
13	Anuszkiewicz, Michal	0	POL	−4N	+?B	+18N	−3B	−10B	−15N	+?N	+17B	=6N	4.5	29.0	29.0	6.00	702	0.0
14	Zachar, Stanislaw	0	POL	+7B	−8N	=6B	+12N	=5B	−3N	+15B	−2B	−4N	4.0	44.0	48.0	18.75	712	0.0
15	Szczesiul, Antoni	0	POL	−10B	+17N	−12B	−7N	+?B	+13B	−14N	−11B	+18N	4.0	30.5	30.5	8.00	725	0.0
16	Amrogowicz, Jan	0	POL	+?N	−4B	−3N	=11B	−9B	+18N	−12B	+?N	−7B	3.5	31.0	31.0	2.75	693	0.0
17	Studzinski, Michal	0	POL	−5N	−15B	+?N	+?B	=12B	−9N	=18B	−13N	−10B	3.0	28.0	28.0	2.50	713	0.0
18	FIDE 545037566	0	—	−1B	−9N	−13B	−?N	−?B	−16B	=17N	F	−15B	0.5	27.5	27.5	1.50	661	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Osmolski, BartoszPOL
+59.2
8.0 pts · #1
2Minkiewicz, FilipPOL
+26.0
6.0 pts · #5
3Wasilewicz, WawrzyniecPOL
+22.0
7.5 pts · #2

Top rating losers

1Szpakowicz, AdamPOL
-43.6
4.5 pts · #11
2Perkowski, IgnacyPOL
-41.2
4.5 pts · #16
3Spiewak, IgnacyPOL
-22.4
6.0 pts · #9