Bar Blitz KNSB FIDE
JD

Jasper Dekker

Rated since July 2017

1957 Classical
Jasper's accounts
FIDE Verified KNSB Verified

The good & the bad

Best wins
Togt, Twan Van Der 2108
85e Noteboomtoernooi · 2026-02-20
Duchene, Rene 2038
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
Termeulen, Albert 2028
Chessfestival Groningen 2025 Compact A · 2025-12-26
Verschoor, Scott 1994
85e Noteboomtoernooi · 2026-02-20
Lupulescu, Adrian-Calin 1950
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
Worst losses
Sosef, Noah 1894
85e Noteboomtoernooi · 2026-02-20
Meijer, Olaf 1926
Chessfestival Groningen 2025 Compact A · 2025-12-26
Van Der Bent, Gideon 1949
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
Oudvorst Van, G.j. (bert) 1974
Dutch Team Competition - klasse 5 Round 7 · 2026-03-07
Hatzis-Bakratsas, Alexandros 1979
Tata Steel Chess 2026 - Tienkampen · 2026-01-23

FIDE Tournaments

Tapijtgigant Open ASK 2026 - Group A standard 2026-04-04 +0–2=2 -10.6
Dutch Team Competition - klasse 5 Round 7 standard 2026-03-07 +0–1=0 -10.0
Dutch Team Competition - klasse 5 Round 5 standard 2026-03-28 +1–0=0 +5.6
Tata Steel Chess 2026 - Tienkampen standard 2026-01-23 +5–3=1 +24.8
Dutch Team Competition - klasse 5 Round 6 standard 2026-02-07 +0–0=1 -2.4
85e Noteboomtoernooi standard 2026-02-20 +2–3=0 +4.4
Chessfestival Groningen 2025 Compact A standard 2025-12-26 +1–2=1 +2.2
Dutch Team Competition - klasse 5 Round 4 standard 2025-12-13 +0–0=1 -2.0
TAPIJTGIGANT OPEN ASK 2026 Groep A Saturday 4 April 2026 +0–4=4 -21.6
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +2–3=0 +14.1
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +5–3=1 +48.2
Chessfestival Groningen Compact Groep A Friday 26 December 2025 +1–2=1 +6.6
Amsterdam Chess Open Groep B1 Friday 24 October 2025 +3–2=0 +2.7
Open NK Schaken 2025 Zesrondig 1 Tuesday 22 July 2025 +2–2=2 -1.9
17e BPB Limburg Open 2025 Groep B Friday 6 June 2025 +1–4=2 -57.8
TAPIJTGIGANT OPEN ASK 2025 Groep B Saturday 19 April 2025 +2–2=1 -5.5
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +2–4=3 -41.8
Amsterdam Chess Open Groep A Friday 1 November 2024 +1–3=1 -4.4
Amsterdam Science Park Chess Tournament Weekendvierkamp Saturday 13 July 2024 +2–0=1 +26.7
Amsterdam Science Park Chess Tournament Dagvierkamp Saturday 13 July 2024 +0–1=2 -12.5
16e BPB Limburg Open 2024 Groep B Friday 17 May 2024 +3–1=1 +11.8
Chess Festival Groningen Compact B Thursday 21 December 2023 +3–2=0 -3.3
Amsterdam Chess Open Groep A Friday 27 October 2023 +3–1=2 +32.3
HSG Open 2023 Groep A Friday 23 June 2023 +0–2=3 -12.5
15e BPB Limburg Open 2023 Groep B Friday 26 May 2023 +1–2=4 -11.3
Tata Steel Chess Tournament 2023 Dagvierkampen Friday 13 January 2023 +0–3=0 -31.9
Tata Steel Chess Tournament 2023 Weekendvierkampen Friday 13 January 2023 +2–1=0 +31.1

Rating History

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Peak Ratings

Classical 1972

Games (recent periods)

Wins 9
Losses 11
Draws 6
Win Rate 35%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 6 4 3 46%
Black 3 2 8 23%

All-time Games (from rating history)

Classical 350
Rapid 0
Blitz 0

Recent Matches

Habig, Bryan (2032) 2026-04-04 DRAW +1.8
Vlieger, Olaf (2075) 2026-04-04 DRAW +3.0
Kalisvaart, Peter (2079) 2026-04-04 LOSS -7.0
Verweij, David (2026) 2026-04-04 LOSS -8.4
Oudvorst Van, G.j. (bert) (1974) 2026-03-07 LOSS -10.0
Wit De, M. (martijn) (1806) 2026-03-28 WIN +5.6
Valkenburg, Max (1936) 2026-01-23 DRAW -0.2
Van Der Bent, Gideon (1949) 2026-01-23 LOSS -9.8
Van Houwelingen, Leo (1941) 2026-01-23 WIN +10.0
Van Nieuwenhuizen, Hans (1925) 2026-01-23 WIN +9.4
Hatzis-Bakratsas, Alexandros (1979) 2026-01-23 LOSS -9.0
Duchene, Rene (2038) 2026-01-23 WIN +12.6
Alekseev, Mikhail (1943) 2026-01-23 WIN +10.0
CM Deshpande, Sarthak (2002) 2026-01-23 LOSS -8.4
Lupulescu, Adrian-Calin (1950) 2026-01-23 WIN +10.2
Wester, J.p.c. (johan) (1859) 2026-02-07 DRAW -2.4
Groenewoud, Joel (2029) 2026-02-20 LOSS -7.6
Verschoor, Scott (1994) 2026-02-20 WIN +11.4
Togt, Twan Van Der (2108) 2026-02-20 WIN +14.4
FM Madularea, David (2276) 2026-02-20 LOSS -2.4
Sosef, Noah (1894) 2026-02-20 LOSS -11.4
Termeulen, Albert (2028) 2025-12-26 WIN +12.2
Baselmans, Sam (2268) 2025-12-26 LOSS -2.6
Van Helvoort, Rob (2062) 2025-12-26 DRAW +3.2
Meijer, Olaf (1926) 2025-12-26 LOSS -10.6
Veerman, J.m.m. (jan) (1876) 2025-12-13 DRAW -2.0