KNSB FIDE
JC

John Cornelisse

Rated since January 2023

2213 Classic
2176 Rapid
2290 Blitz

RIVALRY

Nemesis
Blokhuis, J. (Jeroen)
Games: 3 · Win rate: 67%
Kryptonite
Rijn van, A.B. (Anton)
Games: 4 · Win rate: 25%
Easy Target
Brummelen van, K.B. (Kevin)
Games: 3 · 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
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
BLOKHUIS, J. (JEROEN) (FM) 2281
12261 KNSB competitie 2025-2026 Klasse 1 ronde 3 · Saturday 1 November 2025
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
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
Oostelijk snelschaakkampioenschap Groep A Saturday 3 January 2026 +18–3=2 +101.7
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
15. Solinger Karnevals-Open Friday 13 February 2026 +4–1=0 -0.7
Bergheimer Winter-Open 2025 Saturday 27 December 2025 +10–2=2 +12.3
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 +2–0=0 +3.5
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=2 +1.7
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 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 +2–0=0 +9.9
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

Rating History

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Peak Ratings

Classic 2217 April 1, 2023
Rapid 2177 April 1, 2025
Blitz 2300 Feb. 1, 2026

Games

Wins 160
Losses 77
Draws 64
Win Rate 53%

Performance by Color

Color Wins Draws Losses Win Rate
White 91 32 35 58%
Black 69 32 42 48%

Recent Matches

FM Blokhuis, J. (Jeroen) (2271) Sunday 29 March 2026 LOSS -8.1
GM Vrolijk, L.N. (Liam) (2534) Sunday 29 March 2026 LOSS -3.1
Woldhuis, M. (Marnik) (2046) Sunday 29 March 2026 DRAW -2.4
FM Elgersma, O.J. (Onno) (2384) Sunday 29 March 2026 LOSS -5.8
Habig, B.R. (Bryan) (2141) Sunday 29 March 2026 WIN +4.3
Rootselaar van, R. (Rik) (2262) Sunday 29 March 2026 LOSS -8.3
FM Elgersma, O.J. (Onno) (2384) Sunday 29 March 2026 LOSS -5.8
Habig, B.R. (Bryan) (2141) Sunday 29 March 2026 WIN +4.3
Rootselaar van, R. (Rik) (2262) Sunday 29 March 2026 LOSS -8.3
Bautista, K.C. (Keith) (1807) Sunday 29 March 2026 WIN +0.6
FM Blokhuis, J. (Jeroen) (2271) Sunday 29 March 2026 WIN +6.9
Woldhuis, M. (Marnik) (2046) Sunday 29 March 2026 WIN +2.8
Bautista, K.C. (Keith) (1807) Sunday 29 March 2026 WIN +0.6
GM Vrolijk, L.N. (Liam) (2534) Sunday 29 March 2026 DRAW +4.4
Casteleijn, D.J. (Diederick) (2133) Saturday 28 March 2026 WIN +8.2
Frederiks, J. (Jesse) (2051) Thursday 26 March 2026 WIN +6.1
CM Bus, T.G. (Tom) (2049) Saturday 21 March 2026 DRAW -3.7
Homs, G.C.J. (Guust) (2092) Saturday 21 March 2026 WIN +8.1
Darie, A.C. (Aden) (2087) Saturday 21 March 2026 LOSS -13.2
FM Terlouw, W. (Wouter) (2269) Saturday 21 March 2026 LOSS -7.9