CChessStats

Zwitsers 2026 Knokke

Open SwissStandard

27 players participated in this 5-round tournament, held from 15 Jun 2026 to 19 Jun 2026 in Knokke, Belgium. Top 10 Elo average was 1645, and top seed was Piet Van Kerkhove (🇧🇪 BEL, 1832).

Suldee Tumenjargal (🇧🇪 BEL, 1780) won with 4.0/5, ahead of Oswald De Winne (4.0) and Piet Van Kerkhove (4.0). Tumenjargal shared the lead from round 1, winning on tie-break.

The biggest upset came in round 2: Marc Verkinderen (1539) beat Paul Van Heuverbeke (1793), a +254-point gap.

Location
🇧🇪Knokke, Belgium
Dates
15 Jun 2026 → 19 Jun 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇧🇪Piet Van Kerkhove1832
Avg top 10
1,645
Participants
27
Federations · 1 represented
🇧🇪Belgium×12
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R4; 4 players tied at 4.0/5, decided on Buchholz.

Co-leaders
14
7
3
1
4
1.52.545R1R2R3R4R5
R4–R5 · LEAD HELD

Suldee Tumenjargal held the sole lead from R4 through R5 without losing it.

R5 · TIEBREAK CLUSTER

4 players finish on 4.0/5. Tumenjargal takes the title on Buchholz Cut1 (13.0).

WIN STREAKS · 3 top finishers

Suldee Tumenjargal 4 wins (R1–R4)Lewis DHeere Dehens 3 wins (R3–R5)Oswald De Winne 4 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Suldee Tumenjargal*
0
2Lewis DHeere Dehens*
3Oswald De Winne
1
*
4Piet Van Kerkhove*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Tumenjargal, Suldee1780BEL+13B+8N+5B+6N2B4.013.015.511.501745-6.0
2De Winne, Oswald1606BEL+24B+7N+19BF+1N4.011.012.010.002460+22.8
3Van Kerkhove, Piet1832BEL11B+25N+7B+19N+6B4.011.012.09.002342+6.2
4DHeere Dehens, Lewis0BEL+17B5N+8B+18N+?B4.010.010.07.0016750.0
5Budaev, Sorkhogtani Behki1569BEL+22N+4B1N+12BF3.014.015.58.50980-9.2
6Salazar, Dante1544BEL+21B+10N+9N1B3N3.014.015.57.501728+37.2
7FIDE 5480014300+16N2B3N+20B+23N3.012.514.06.009190.0
8FIDE 5480118860+20N1B4N+25B+18B3.012.013.05.0017870.0
9Oyunchimeg, Baagi1599BEL+26B+15N6B+11NF3.011.512.56.50744-23.2
10Hendrix, Theo1699BEL+14N6B12N+24B+13B3.011.012.06.001624-5.4
11FIDE 2542580+3N+?N18B9B+17N3.011.011.06.0017070.0
12FIDE 548013013018B+27N+10B5N+19B3.010.010.05.0016500.0
13Batsaikhan, Huslen1487BEL1N+20B=23N+15B10N2.511.513.05.25940-15.2
14Demarest, Patrick1465BEL10B+21N17B=16N+24B2.59.010.03.75899-8.4
15FIDE 5480128400+23N9B=?B13N+21B2.58.58.53.0012900.0
16FIDE 54802376007B24N+27B=14B+22N2.58.08.02.7514650.0
17FIDE 54801288204N+22B+14NF11B2.013.515.04.0014850.0
18Van Heuverbeke, Paul1793BEL+12N19B+11N4B8N2.013.015.06.00739-16.2
19Verkinderen, Marc1539BEL+27B+18N2N3B12N2.013.013.02.001619+10.0
20FIDE 54801820108B13N+26B7N+25N2.09.510.52.006870.0
21FIDE 54802365506N14B=22N+27B15N1.59.59.50.757050.0
22FIDE 54801561005B17N=21B+26N16B1.59.010.01.757690.0
23FIDE 548012076015B+26N=13B?N7B1.59.09.02.2513530.0
24FIDE 27045802N+16B25B10N14N1.012.013.02.507900.0
25FIDE 5480150750?B3B+24N8N20B1.010.010.01.009180.0
26FIDE 54801819809N23B20N22B+27N1.08.08.00.007990.0
27FIDE 548014958019N12B16N21N26B0.09.010.00.007390.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets