KNSB FIDE
JC

John Cornelisse

Rated since January 2023

2192 Classic
2213 Rapid
2282 Blitz

RIVALRY

Nemesis
Woldhuis, M. (Marnik)
Games: 4 · Win rate: 50%
Kryptonite
Vrolijk, L.N. (Liam)
Games: 4 · Win rate: 0%
Easy Target
Bautista, K.C. (Keith)
Games: 4 · Win rate: 100%

The good & the bad

Best wins
OOSTEROM VAN, C.D. (CHIEL) (IM) 2414
12381 Oostelijk snelschaakkampioenschap Groep A · Saturday 3 January 2026
BOSBOOM, M. (MANUEL) (IM) 2357
13877 Bevrijdingsschaaktoernooi Groep B · Tuesday 5 May 2026
ORTMANN, DAVID (FM) 2331
38. Internationales Boeblinger Open · Thursday 29 December 2022
GOUDRIAAN, E. (ETIENNE) (IM) 2325
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
MUELLER, FABIAN (FM) 2302
39. Internationales Boeblinger Open A · Thursday 28 December 2023
Worst losses
JONG DE, Q.P. (QUINT) 1715
8174 NHSB-competitie 2023-2024 Klasse 1B t/m 26-12-2023 · Friday 8 December 2023
CAKMAK, M. (METEHAN-TUGRA) 1773
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
FERNANDEZ-RIVERA ORTIZ, IGOR 1838
IX Open Semana Santa San Vicente del Raspeig Costa Blanca 2025 Grupo A · Thursday 17 April 2025
FABER, R.M. (ROEL) 1925
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
FISCHER, DANIEL, DR. 1949
40. Internationales Boeblinger Open A · Sunday 29 December 2024
51e Open Kampioenschap van Utrecht Groep A Friday 15 May 2026 +2–1=2 +4.4
TAPIJTGIGANT OPEN ASK 2026 Groep A Saturday 4 April 2026 +2–2=1 -15.8
NK Snelschaak voor clubteams Groep A Sunday 29 March 2026 +6–6=2 -17.7
NK Snelschaak voor clubteams Groep A Sunday 29 March 2026 +6–6=2 -17.7
ASV Voorjaarstoernooi Groep A Saturday 21 March 2026 +3–2=2 -1.2
15. Solinger Karnevals-Open Friday 13 February 2026 +4–1=0 -0.7
Oostelijk snelschaakkampioenschap Groep A Saturday 3 January 2026 +16–3=2 +93.1
Bergheimer Winter-Open 2025 Saturday 27 December 2025 +5–1=1 +6.1
XXII Torneo Internacional Gran Hotel Bali Grupo A Friday 28 November 2025 +4–5=0 -13.3
NK Senioren en Veteranen 2025 NK Senioren en Veteranen 2025 Saturday 12 July 2025 +3–3=1 -16.5
50e Open Kampioenschap van Utrecht Groep A Friday 30 May 2025 +2–1=1 +0.9
ASV Voorjaarstoernooi Groep A Saturday 15 March 2025 +4–1=2 +46.6
39th European Club Cup Sunday 20 October 2024 +0–3=2 -12.2
Open Kampioenschap van Utrecht Groep A Friday 19 May 2023 +1–0=1 -2.1
Bevrijdingsschaaktoernooi Groep B Tuesday 5 May 2026 +4–1=2 +37.5
OSBO-Cup 2025/2026 26 maart tm finaledag Monday 1 December 2025 +2–0=0 +12.1
OSBO-Cup 2025/2026 per 26 maart Monday 1 December 2025 +1–0=0 +6.1
OSBO-Cup 2025/2026 Februari 2026 Monday 1 December 2025 +1–0=0 +1.7
KNSB competitie 2025-2026 Klasse 1 ronde 9 Saturday 20 September 2025 +0–1=0 -13.9
KNSB competitie 2025-2026 Klasse 1 ronde 6 Saturday 20 September 2025 +1–0=0 +8.2
KNSB competitie 2025-2026 KNSB Beker ronde 4 Saturday 20 September 2025 +0–1=0 -4.9
KNSB competitie 2025-2026 Klasse 1 ronde 8 Saturday 20 September 2025 +0–0=1 +3.7
KNSB competitie 2025-2026 Klasse 1 ronde 7 Saturday 20 September 2025 +0–0=1 +0.9
KNSB competitie 2025-2026 Klasse 1 ronde 5 Saturday 20 September 2025 +1–0=0 +12.8
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +0–0=1 +4.7
KNSB competitie 2025-2026 Klasse 1 ronde 3 Saturday 20 September 2025 +1–0=0 +15.5
KNSB competitie 2025-2026 Klasse 1 ronde 2 Saturday 20 September 2025 +1–0=0 +7.0
KNSB competitie 2025-2026 Klasse 1 ronde 1 Saturday 20 September 2025 +0–1=0 -11.5
SOS competitie 2025/2026 Lijst 1 juli Monday 1 September 2025 +1–1=0 -6.7
NHSB-competitie 2025-2026 Topklasse t/m 03-05-2026 Monday 1 September 2025 +0–0=1 -1.5
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +1–0=0 +0.7
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +1–0=0 +8.3
NHSB-competitie 2025-2026 Topklasse t/m 15-03-2026 Monday 1 September 2025 +0–0=1 -5.7
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +1–0=0 +4.9
NHSB-competitie 2025-2026 Topklasse t/m 16-11-2025 Monday 1 September 2025 +1–0=0 +9.6
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +1–0=0 +3.0
NHSB-competitie 2025-2026 Topklasse t/m 12-10-2025 Monday 1 September 2025 +1–0=0 +5.0
NHSB-competitie 2025-2026 Topklasse t/m 28-09-2025 Monday 1 September 2025 +0–0=1 -4.6
S: 14th SPLIT OPEN: CHESS FESTIVAL 2025 Saturday 9 August 2025 +5–3=2 +12.6
15. Rheinland-Pfalz-Open 2025 Thursday 19 June 2025 +4–1=2 +0.4
IX Open Semana Santa San Vicente del Raspeig Costa Blanca 2025 Grupo A Wednesday 16 April 2025 +3–3=2 -19.4
Belgian Interclubs 2024-2025 Round 6 Sunday 26 January 2025 +0–1=0 -12.1
40. Internationales Boeblinger Open A Thursday 26 December 2024 +4–4=1 -46.2
OSBO Cup 2024-2025 mei 2025 Sunday 1 December 2024 +2–0=0 +18.7
OSBO Cup 2024-2025 april 2025 Sunday 1 December 2024 +1–0=0 +6.3
Belgian Interclubs 2024-2025 Round 1 Sunday 29 September 2024 +0–0=1 +1.7
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +9.1
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +1–0=0 +5.5
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +0–1=0 -6.8
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +3.4
KNSB competitie 2024-2025 KNSB Beker ronde 2 voor januarilijst Saturday 21 September 2024 +0–1=0 -2.0
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–1=0 -12.0
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +1–0=0 +7.7
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +1–0=0 +5.1
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +1–0=0 +7.0
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +1–0=0 +12.0
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +1–0=0 +3.7
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +1–0=0 +3.2
NHSB-competitie 2024-2025 Klasse 1B t/m 29-03-2025 Sunday 1 September 2024 +1–0=0 +6.9
NHSB-competitie 2024-2025 Klasse 1B t/m 23-02-2025 Sunday 1 September 2024 +1–0=0 +2.9
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–1=0 -16.2
NHSB-competitie 2024-2025 Klasse 1B t/m 12-01-2025 Sunday 1 September 2024 +1–0=0 +2.7
SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +1–0=0 +4.9
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +0–0=1 -2.6
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +1–0=0 +2.6
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +11–4=1 +15.5
14. RLP-Open Thursday 30 May 2024 +4–0=3 +23.0
11. Krefelder Pfingst-Open 2024 Friday 17 May 2024 +6–1=0 +28.2
49e Open Kampioenschap van Utrecht Groep A Friday 10 May 2024 +0–1=0 -14.9
VIII Open Internacional Semana Santa San Vicente del Raspeig 2024 G-A Wednesday 27 March 2024 +3–3=2 +9.6
Belgian Interclubs 2023-2024 Round 10 Sunday 24 March 2024 +1–0=0 +11.0
Belgian Interclubs 2023-2024 Round 7 Sunday 4 February 2024 +0–0=1 +1.0
25. NordWest-Cup Open A Thursday 25 January 2024 +2–1=4 +7.3
39. Internationales Boeblinger Open A Tuesday 26 December 2023 +3–1=5 +29.6
Belgian Interclubs 2023-2024 Round 4 Sunday 19 November 2023 +0–1=0 -13.3
Belgian Interclubs 2023-2024 Round 3 Sunday 22 October 2023 +0–0=1 -1.0
European Open Club Cup 2023 Sunday 1 October 2023 +2–2=1 +2.7
Belgian Interclubs 2023-2024 Round 1 Saturday 23 September 2023 +1–0=0 +12.4
KNSB competitie 2023-2024 Klasse 1 ronde 9 Saturday 16 September 2023 +1–0=0 +8.7
KNSB competitie 2023-2024 Klasse 1 ronde 8 Saturday 16 September 2023 +1–0=0 +6.9
KNSB competitie 2023-2024 Klasse 1 ronde 7 Saturday 16 September 2023 +0–1=0 -9.0
KNSB competitie 2023-2024 Klasse 1 ronde 6 Saturday 16 September 2023 +0–0=1 -4.4
KNSB competitie 2023-2024 Klasse 1 ronde 5 Saturday 16 September 2023 +0–1=0 -5.8
KNSB competitie 2023-2024 Klasse 1 ronde 4 Saturday 16 September 2023 +0–1=0 -16.8
KNSB competitie 2023-2024 Klasse 1 ronde 3 Saturday 16 September 2023 +0–0=1 -2.1
KNSB competitie 2023-2024 Klasse 1 ronde 2 Saturday 16 September 2023 +0–0=1 +3.4
KNSB competitie 2023-2024 Klasse 1 ronde 1 Saturday 16 September 2023 +0–0=1 +2.5
NHSB-competitie 2023-2024 Klasse 1B t/m 26-03-2024 Friday 1 September 2023 +0–1=0 -16.5
NHSB-competitie 2023-2024 Klasse 1B t/m 26-12-2023 Friday 1 September 2023 +0–1=0 -21.4
NHSB-competitie 2023-2024 Klasse 1B t/m november Friday 1 September 2023 +1–0=0 +0.1
Open Internacional de Sants - Ciutat de Barcelona 2023 Friday 18 August 2023 +4–3=2 -13.9
Amsterdam Science Park 2023 Weekendvierkampen Friday 21 July 2023 +1–1=1 +1.3
10. Krefelder Pfingst-Open 2023 Friday 26 May 2023 +4–1=2 -17.6
Reykjavik Open 2023 Wednesday 29 March 2023 +4–3=2 -15.6
Belgian Interclubs 2022-2023 Ronde 8 Sunday 5 March 2023 +0–1=0 -14.2
Belgian Interclubs 2022-2023 Ronde 7 Sunday 12 February 2023 +1–0=0 +7.0
Belgian Interclubs 2022-2023 Ronde 6 Sunday 29 January 2023 +1–0=0 +8.4
38. Internationales Boeblinger Open Monday 26 December 2022 +5–1=3 +32.3
Belgian Interclubs 2022-2023 Ronde 5 Sunday 4 December 2022 +1–0=0 +4.5
Belgian Interclubs 2022-2023 Ronde 4 Sunday 20 November 2022 +0–0=1 -8.1
Belgian Interclubs 2022-2023 Ronde 3 Sunday 6 November 2022 +1–0=0 +8.7
KNSB competitie 2022-2023 Klasse 1 ronde 9 Saturday 17 September 2022 +0–1=0 -14.9
KNSB competitie 2022-2023 Klasse 1 ronde 7 Saturday 17 September 2022 +0–1=0 -9.6
KNSB competitie 2022-2023 Klasse 1 ronde 6 Saturday 17 September 2022 +0–1=0 -6.5
KNSB competitie 2022-2023 Klasse 1 ronde 5 Saturday 17 September 2022 +0–0=1 -1.6
KNSB competitie 2022-2023 Klasse 1 ronde 4 Saturday 17 September 2022 +1–0=0 +8.8

Team Competition

Current teams
Veenendaal 1
HKB · 2025-2026 · 4 games
Veenendaal 1
Klasse 1B · 2025-2026 · 9 games
Past teams
Veenendaal 1
1B · 2024-2025
Veenendaal 1
Klasse 2C · 2024-2025
Paul Keres 2
Klasse 1B · 2023-2024
Paul Keres 2
Klasse 1B · 2022-2023
Paul Keres 1
HKB · 2021-2022
Paul Keres 1
Klasse 1A · 2021-2022
Paul Keres 2
Klasse 1B · 2021-2022

Rating History

Loading rating history...

Peak Ratings

Classic 2217 April 1, 2023
Rapid 2213 June 1, 2026
Blitz 2300 Feb. 1, 2026

Games

Wins 169
Losses 88
Draws 70
Win Rate 52%

Performance by Color

Color Wins Draws Losses Win Rate
White 93 36 39 55%
Black 76 34 49 48%

Recent Matches

Reedijk, P.J. (Peter) (2033) Saturday 13 June 2026 WIN +5.6
Veelen van, T.J. (Thomas) (2114) Saturday 13 June 2026 LOSS -12.4
Verschoor, S. (Scott) (2014) Sunday 17 May 2026 WIN +5.3
Brandsma, R.L. (Romayn) (2028) Saturday 16 May 2026 DRAW -4.5
FM Bekker, S. (Stefan) (2368) Saturday 16 May 2026 LOSS -5.5
FM Lombaers, P.J. (Peter) (2350) Friday 15 May 2026 DRAW +4.1
Smit, M. (Manuel) (2000) Friday 15 May 2026 WIN +5.0
GM Beerdsen, T.A. (Thomas) (2516) Tuesday 5 May 2026 DRAW +8.1
IM Bosboom, M. (Manuel) (2357) Tuesday 5 May 2026 WIN +15.6
Bulthuis, J. (Jelle) (2148) Tuesday 5 May 2026 DRAW -0.8
FM Vogel, J. (Jaap) (1997) Tuesday 5 May 2026 WIN +5.6
IM Grutter, T.J. (Tim) (2412) Tuesday 5 May 2026 LOSS -4.3
Lujan Garcia, R. (Rogelio) (2113) Tuesday 5 May 2026 WIN +8.8
Lintelo te, P. (Pim) (1949) Tuesday 5 May 2026 WIN +4.5
Habig, B.R. (Bryan) (2143) Friday 1 May 2026 DRAW -1.5
Radder, N. (Niels) (1693) Friday 24 April 2026 WIN +0.7
Cheung, K.S. (Tsjisang) (1979) Saturday 18 April 2026 WIN +4.0
Wouters, C.R. (Casper) (2154) Saturday 18 April 2026 WIN +8.1
Agterberg, M. (Mark) (2046) Saturday 11 April 2026 LOSS -13.9
Hauwert, N.C.F. (Nico) (2089) Monday 6 April 2026 WIN +6.4