Rokade Winter Chess 2025

Open SwissStandard

79 players participated in this 5-round tournament, held from 26 Dec 2025 to 28 Dec 2025 in Westerlo, Belgium. 2 federations represented. Top 10 Elo average was 1997, and top seed was Tim Peeters (🇧🇪 BEL, 2065).

Delhi Lach (🇧🇪 BEL, 1576) won with 4.5/5, ahead of Maarin Meert (4.5) and Khanh Pham Kieu (4.5). Lach won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Jasper Mareels Dutry (1899) beat Steff Helsen (2041), a +142-point gap.

Location

🇧🇪Westerlo, Belgium

Dates

26 Dec 2025 → 28 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇧🇪Tim Peeters2065

Avg top 10

1,997

Participants

Federations · 2 represented

🇧🇪Belgium×73

🇹🇷Turkiye×1

Top 3

🥇
Delhi Lach
🇧🇪BEL·1576
4.5pts·2280perf+14.8
🥈
Maarin Meert
🇧🇪BEL·1844
4.5pts·2180perf+71.6
🥉
Khanh Pham Kieu
🇧🇪BEL·1705
4.5pts·2014perf+64.4

How it unfolded

Top 6 · 5 rounds

Tight race until R4; 4 players tied at 4.5/5, decided on Buchholz.

Co-leaders

Meert4.5Pham Kieu4.5Smeyers4.5Lach4.5Musabayeva4Lippens4

R4–R5 · LEAD HELD

Maarin Meert held the sole lead from R4 through R5 without losing it.

R5 · TIEBREAK CLUSTER

4 players finish on 4.5/5. Lach takes the title on Buchholz Cut1 (13.5).

WIN STREAKS · 3 top finishers

Maarin Meert 4 wins (R1–R4)Khanh Pham Kieu 3 wins (R1–R3)Kevin Smeyers 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Maarin Meert	*	—	—	—
2Khanh Pham Kieu	—	*	—	—
3Kevin Smeyers	—	—	*	½
4Delhi Lach	—	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Lach, Delhi	1576	BEL	+30N	+69B	+18N	=4B	+11N	4.5	13.5	14.5	12.25	2280	+14.8
2	Meert, Maarin	1844	BEL	+66B	+7N	+31B	+14N	=21B	4.5	12.5	13.5	12.00	2180	+71.6
3	Pham Kieu, Khanh	1705	BEL	+68N	+45B	+5N	=9B	+33N	4.5	12.0	13.0	11.25	2014	+64.4
4	Smeyers, Kevin	0	BEL	+?N	+32B	+8N	=1N	+?B	4.5	11.0	11.0	8.75	1598	0.0
5	Lippens, Tristan	1654	BEL	+49B	+27N	−3B	+25B	+9N	4.0	14.0	16.0	11.50	1881	+56.8
6	Musabayeva, Diana	1929	BEL	+26N	+17B	+19B	=10N	=24B	4.0	12.5	15.5	12.25	2229	+76.4
7	Geenen, Kobe	1810	BEL	+39N	−2B	+51N	+47B	+14B	4.0	12.0	14.0	9.50	2043	+58.4
8	Sodbayar, Irmuun	1474	BEL	+63N	+16N	−4B	+48B	+30N	4.0	12.0	13.5	9.00	2353	+49.2
9	Messina, Dante	1625	BEL	+53N	+33B	+50N	=3N	−5B	3.5	13.0	15.0	8.75	1823	+53.6
10	Mareels Dutry, Jasper	1899	BEL	+29B	=46N	+40B	=6B	=19N	3.5	12.5	14.5	10.00	2159	+69.6
11	Poppe, Jules	0	BEL	+55N	+38B	=20N	+32B	−1B	3.5	12.5	14.5	8.50	1521	0.0
12	Seresia, Nathan	1791	BEL	=15B	=36N	+34B	=21N	+31B	3.5	11.0	13.5	9.25	1979	+50.8
13	Abidin, Aysajan	1780	BEL	−14B	+58N	+78B	=15N	+36B	3.5	10.5	10.5	6.00	1920	+15.0
14	Braspenning, Rudi	1848	BEL	+13N	+71B	+28N	−2B	−7N	3.0	15.0	16.0	7.50	1878	+4.2
15	Gorts, Sven	1873	BEL	=12N	+51B	−21N	=13B	+47N	3.0	12.0	14.0	7.50	1885	+1.8
16	Di Marcantonio, Tigo	1555	BEL	+54N	−8B	+55N	=23B	=18N	3.0	12.0	14.0	7.00	671	-24.8
17	Govoreanu, Matei	2007	BEL	+67B	−6N	+46B	=19N	=29B	3.0	12.0	13.0	6.00	2062	+15.2
18	Dillen, Marc	0	BEL	+70B	+64N	−1B	=22N	=16B	3.0	12.0	13.0	5.50	1532	0.0
19	Peeters, Tim	2065	BEL	+76N	+62B	−6N	=17B	=10B	3.0	12.0	12.5	5.25	2023	-5.2
20	Van Loo, Noah	0	BEL	+35B	+22N	=11B	−?N	=23B	3.0	12.0	12.0	8.75	1546	0.0
21	Ozkan, Vedat	1892	TUR	F	+66N	+15B	=12B	=2N	3.0	12.0	12.0	8.00	2006	+22.4
22	Verstraete, Lars	1505	BEL	+23N	−20B	=30N	=18B	+48N	3.0	11.5	13.5	7.75	2351	+22.8
23	Maenen, Jarie	0	BEL	−22B	+35N	+64B	=16N	=20N	3.0	11.5	13.0	7.00	1540	0.0
24	Steegmans, Pieter	1934	BEL	+40B	F	=26N	+61B	=6N	3.0	11.0	11.0	7.50	2179	+25.6
25	Spinazzola, Matteo	1612	BEL	−45B	+68N	+52B	−5N	+37N	3.0	10.5	11.5	5.50	1708	+26.8
26	Surkol, Hector	2040	BEL	−6B	+67N	=24B	=46N	+61B	3.0	10.5	11.5	5.00	2026	-3.6
27	Van Schalkwijk, Boudewijn	1701	BEL	+37N	−5B	+45N	F	+50B	3.0	10.5	10.5	6.50	1838	+13.6
28	Klimenko, Timur	1811	BEL	+58B	+78N	−14B	=31N	=42B	3.0	10.0	10.0	4.50	1794	-3.6
29	Boons, Patrick	1980	BEL	−10N	=61B	+62N	+67B	=17N	3.0	9.5	10.5	4.75	2023	+5.8
30	Verbist, Michael	0	BEL	−1B	+74N	=22B	+41N	−8B	2.5	14.0	15.0	5.00	1244	0.0
31	Zjuravlyov, Maximilian	1774	BEL	+42N	+47B	−2N	=28B	−12N	2.5	13.5	15.5	6.00	1819	+12.4
32	Pham Hoang, Minh	1496	BEL	+57B	−4N	+70B	−11N	=35B	2.5	12.5	13.5	4.25	1527	+1.6
33	Zaprudis, Stergios	1706	BEL	+52B	−9N	=56B	+49N	−3B	2.5	12.0	14.0	5.00	1626	-22.8
34	Geerts, Luc	1768	BEL	−47N	+42B	−12N	=39B	+51N	2.5	10.5	12.5	5.75	1786	+2.4
35	Meert, Senne	1527	BEL	−20N	−23B	+57N	+70B	=32N	2.5	10.5	11.5	4.25	1496	-1.6
36	Raal, Ludwig	1842	BEL	−71N	=12B	+39N	+78B	−13N	2.5	10.5	10.5	4.25	1682	-36.4
37	Cloots, Josse	1646	BEL	−27B	=49N	+59B	+56N	−25B	2.5	10.0	12.0	5.00	1625	-5.6
38	Gabriels, Siebe	1433	BEL	=41B	−11N	+63B	−43N	+64B	2.5	10.0	11.5	4.25	2293	+23.2
39	Vaneylen, Stefan	1720	BEL	−7B	+72N	−36B	=34N	+71B	2.5	10.0	11.0	3.25	1806	+11.8
40	Helsen, Steff	2041	BEL	−24N	+76B	−10N	=62B	+46B	2.5	10.0	10.5	3.25	1957	-11.4
41	Sonmez, Bera	0	BEL	=38N	−48B	+54N	−30B	+70N	2.5	9.0	10.0	4.25	1299	0.0
42	Blommaert, Robin	1819	BEL	−31B	−34N	+66B	+72N	=28N	2.5	9.0	10.0	3.50	1784	-4.6
43	Boute, Wolfert	0	BEL	+48N	=?B	−?N	+38B	F	2.5	4.5	4.5	4.50	1528	0.0
44	Depauw, Thibo	0	BEL	−?N	−?B	+79N	=54B	+65N	2.5	3.5	3.5	2.50	724	0.0
45	D`hooghe, Oscar	1616	BEL	+25N	−3N	−27B	=53B	=52N	2.0	12.5	14.5	5.00	1584	-8.8
46	Boons, Bert	2034	BEL	+61N	=10B	−17N	=26B	−40N	2.0	12.0	13.5	4.75	1912	-16.8
47	Declerck, Adriaan	1829	BEL	+34B	−31N	+71B	−7N	−15B	2.0	12.0	13.0	3.50	1730	-27.6
48	Vermeulen, Thijs	1551	BEL	−43B	+41N	+69B	−8N	−22B	2.0	12.0	13.0	3.50	1360	-15.6
49	Ivanov, Theo	1562	BEL	−5N	=37B	+73N	−33B	=59B	2.0	11.0	12.0	3.25	1583	+4.4
50	Goossens, Stan	1665	BEL	=56N	+73B	−9B	=52N	−27N	2.0	10.5	11.5	3.00	1565	-28.0
51	Vaneylen, Urbain	1774	BEL	+72B	−15N	−7B	+71N	−34B	2.0	10.5	11.5	2.00	1740	-4.6
52	Van De Perre, Ides	1629	BEL	−33N	+53B	−25N	=50B	=45B	2.0	9.5	11.5	4.00	1575	-14.8
53	Wynants, Marcel	1635	BEL	−9B	−52N	+68B	=45N	=56B	2.0	9.5	10.5	3.00	1550	-11.8
54	FIDE 548007447	0	—	−16B	=63N	−41B	=44N	+74B	2.0	9.5	10.5	3.00	755	0.0
55	Vissers, Bram	0	BEL	−11B	+57N	−16B	+69N	−?B	2.0	9.5	9.5	3.00	1387	0.0
56	Van Ewijk, Abel	1607	BEL	=50B	=59N	=33N	−37B	=53N	2.0	9.0	11.0	4.25	1587	-5.6
57	Boodts, Vic	0	BEL	−32N	−55B	−35B	+63N	+69B	2.0	8.5	9.5	2.50	1376	0.0
58	Bultijnck, Kristoff	1735	BEL	−28N	−13B	−72B	+66N	+78N	2.0	8.5	8.5	1.00	1597	-14.2
59	Van Der Avort, Bart	1639	BEL	F	=56B	−37N	+73B	=49N	2.0	7.5	7.5	3.00	1611	-3.4
60	Aishajiang, Ehsan	1864	BEL	−62N	=77B	−61N	=76B	+67N	2.0	4.5	5.0	1.50	1875	+2.8
61	Van Dael, Jonas	1933	BEL	−46B	=29N	+60B	−24N	−26N	1.5	11.0	13.0	3.50	1821	-14.8
62	Van Peer, Cedric	1974	BEL	+60B	−19N	−29B	=40N	F	1.5	10.5	10.5	3.25	1901	-8.6
63	Rosema, Wesley	0	BEL	−8B	=54B	−38N	−57B	+79N	1.5	10.5	10.5	1.00	652	0.0
64	Sodbayar, Nomingoo	1492	BEL	+79N	−18B	−23N	=65B	−38N	1.5	10.0	10.0	0.75	632	-23.2
65	Ozkan, Lara	0	BEL	F	F	+74B	=64N	−44B	1.5	5.0	5.0	1.75	1493	0.0
66	Torfs, Gert	1745	BEL	−2N	−21B	−42N	−58B	+72B	1.0	12.0	13.0	1.00	1583	-19.2
67	Pu, Linden	1940	BEL	−17N	−26B	+76N	−29N	−60B	1.0	11.0	11.5	0.50	1727	-26.0
68	Talloen, Bert	1634	BEL	−3B	−25B	−53N	=75N	=73B	1.0	10.5	11.5	1.00	1406	-28.2
69	Gijsen, Patrick	1480	BEL	+74B	−1N	−48N	−55B	−57N	1.0	10.5	11.5	1.00	764	-15.4
70	FIDE 276243	0	—	−18N	+79B	−32N	−35N	−41B	1.0	10.5	10.5	0.00	712	0.0
71	Staes, Jan	1786	BEL	+36B	−14N	−47N	−51B	−39N	1.0	10.0	12.0	2.50	1563	-27.6
72	Verbruggen, Peter	1823	BEL	−51N	−39B	+58N	−42B	−66N	1.0	9.0	10.0	2.00	1519	-39.0
73	Verbruggen, David	1625	BEL	=75B	−50N	−49B	−59N	=68N	1.0	7.0	8.0	1.00	1391	-29.0
74	FIDE 548007455	0	—	−69N	−30B	−65N	+79B	−54N	1.0	7.0	7.0	0.00	680	0.0
75	De Vet, Sylvin	1653	BEL	=73N	F	F	=68B	F	1.0	2.0	2.0	1.00	1630	-1.4
76	Cuvelier, Annelies	1945	BEL	−19B	−40N	−67B	=60N	F	0.5	8.5	8.5	1.00	1656	-26.6
77	Van Dyck, Marc	1944	BEL	F	=60N	F	F	F	0.5	2.0	2.0	1.00	1864	-2.2
78	FIDE 548007439	0	—	F	−28B	−13N	−36N	−58B	0.0	11.0	11.0	0.00	992	0.0
79	FIDE 548000639	0	—	−64B	−70N	−44B	−74N	−63B	0.0	6.5	7.5	0.00	693	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Musabayeva, DianaBEL
+76.4
4.0 pts · #4
2Meert, MaarinBEL
+71.6
4.5 pts · #1
3Mareels Dutry, JasperBEL
+69.6
3.5 pts · #7

Top rating losers

1Verbruggen, PeterBEL
-39.0
1.0 pts · #51
2Raal, LudwigBEL
-36.4
2.5 pts · #47
3Verbruggen, DavidBEL
-29.0
1.0 pts · #56

Biggest upsets

R3+142 Elo gap
Mareels Dutry, Jasper1899 beat Helsen, Steff2041
R3+136 Elo gap
Musabayeva, Diana1929 beat Peeters, Tim2065
R1+111 Elo gap
Musabayeva, Diana1929 beat Surkol, Hector2040