CChessStats

ONK NSVG 2025

Open SwissStandard

18 players participated in this 6-round tournament, held from 27 Nov 2025 to 30 Nov 2025 in Ermelo, Netherlands. 2 federations represented. Top 10 Elo average was 1795, and top seed was Ger Hageman (🇳🇱 NED, 1964).

Ger Hageman (🇳🇱 NED, 1964) won with 5.0/6, ahead of Emeline Smit (4.5) and Jetse Schoffelmeer (4.5). Hageman clinched sole first place in the final round.

The biggest upset came in round 4: Jan Spoelstra (1639) beat Jan Boer (1769), a +130-point gap.

Location
🇳🇱Ermelo, Netherlands
Dates
27 Nov 2025 → 30 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇳🇱Ger Hageman1964
Avg top 10
1,795
Participants
18
Federations · 2 represented
🇳🇱Netherlands×17
🇧🇪Belgium×1
Top 3

How it unfolded

Top 6 · 6 rounds

Ger Hageman led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders
6
3
2
3
1
1
1.534.56R1R2R3R4R5R6Hageman takes lead
Hageman5Schoffelmeer4.5Harnandan4.5Smit4.5Vaillant4Spoelstra3.5
R6 · LEADER CHANGE30 Nov

Ger Hageman takes the sole lead (5.0/6).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Ger Hageman beat Jetse Schoffelmeer (White).

WIN STREAKS · 3 top finishers

Ger Hageman 3 wins (R2–R4)Jetse Schoffelmeer 3 wins (R1–R3)Sergio Harnandan 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ger Hageman*
1
—
½
2Jetse Schoffelmeer
0
*—
½
3Sergio Harnandan——*
0
4Emeline Smit
½
½
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Hageman, Ger1964NED=10N+5B+8N+13B=2N+3B5.019.521.517.752027+10.2
2Smit, Emeline1938NED+7B+6N+4B=3N=1B=5N4.521.525.018.251974+7.6
3Schoffelmeer, Jetse1887NED+15B+13N+11B=2B+6N−1N4.518.019.512.251968+13.6
4Harnandan, Sergio1892NED=5N+12B−2N+15B+7N+10N4.517.519.012.501851-3.0
5Vaillant, Paul1590NED=4B−1N+17B+9N+14N=2B4.019.520.511.001875+33.8
6De Jong, Lucas1712NED+16N−2B+12N+10B−3B=8N3.518.019.58.751774+10.8
7Spoelstra, Jan1639NED−2N+16B=9B+11N−4B+14N3.517.519.08.251777+21.6
8Roman, Hugo1786BEL=12N=10B−1B+18N+11B=6B3.517.018.08.501745-4.6
9Tesselaar, Cor1680NED+17N−11B=7N−5B+12N+13B3.515.016.07.251646-4.6
10Booy, Willem1639NED=1B=8N+14B−6N+13N−4B3.018.520.58.251763+18.2
11Boer, Jan1769NED+14B+9N−3N−7B−8N+15B3.017.018.57.001687-13.0
12De Lange, Marieke1551NED=8B−4N−6B+17N−9B+18N2.516.017.03.751563-0.6
13Smit, Peter1681NED+18B−3B+15N−1N−10B−9N2.017.518.52.501583-33.6
14Dekens, Eva1542NED−11N+17B−10N+16N−5B−7B2.015.016.02.501387-37.6
15Makkinje, Jeroen1588NED−3N+18B−13B−4N=16B−11N1.515.516.51.751510-13.4
16Zeeman, Jan1498NED−6B−7N−18N−14B=15N+17B1.511.512.51.751229-54.8
17Ploeger, Jeroen0NED−9B−14N−5N−12B+18B−16N1.013.514.51.0012860.0
18Stroomer, Nathan1492NED−13N−15N+16B−8B−17N−12B1.011.012.01.501381-27.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets