KNSB FIDE
LK

Lex Karstens

Rated since January 2023

1910 Classic
1899 Rapid
1896 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BECX, C. (CÉSAR) (FM) 2079
13467 Stukkenjagers Open 2025-2026 Ronde 6 & 7 · Wednesday 25 February 2026
LAMBREGTS, F.J.J. (FRANK) 1951
13508 Stukkenjagers Open 2025-2026 Ronde 8 & 9 · Wednesday 8 April 2026
TERLOUW, B. (BERT) 1877
13314 KNSB competitie 2025-2026 Klasse 4 ronde 6 · Saturday 28 March 2026
SOL, L. (LUC) 1853
13120 85e Daniel Noteboomtoernooi Groep B · Sunday 22 February 2026
MAES, C. (CHRIS) 1848
12948 18de BPB Limburg Open 2026 Groep B · Monday 25 May 2026
Worst losses
VALK BOUMAN VAN DER, J. (JIM) 1846
12948 18de BPB Limburg Open 2026 Groep B · Sunday 24 May 2026
TIMMERMANS, DANIEL 1852
12948 18de BPB Limburg Open 2026 Groep B · Friday 22 May 2026
KNAAP VAN DER, J. (JAN) 1916
13120 85e Daniel Noteboomtoernooi Groep B · Sunday 22 February 2026
MARGARYAN, A. (AREN) 1934
13120 85e Daniel Noteboomtoernooi Groep B · Friday 20 February 2026
PONOMAREV, I.A. (IVAN) 2007
13120 85e Daniel Noteboomtoernooi Groep B · Saturday 21 February 2026
18de BPB Limburg Open 2026 Groep B Friday 22 May 2026 +2–3=2 -20.2
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +2–3=1 -9.1
Stukkenjagers Open 2025-2026 Ronde 8 & 9 Wednesday 8 October 2025 +1–0=1 +23.0
Stukkenjagers Open 2025-2026 Ronde 6 & 7 Wednesday 8 October 2025 +2–0=0 +25.0
Stukkenjagers Open 2025-2026 Ronde 5 Wednesday 8 October 2025 +0–0=1 -4.5
Stukkenjagers Open 2025-2026 Ronde 4 Wednesday 8 October 2025 +0–0=1 -6.0
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +1–0=0 +10.7
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +1–0=0 +13.2
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +0–0=1 -0.1
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–0=1 +1.9
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +0–0=1 -3.8
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–0=1 -0.1

Team Competition

Current team
De Stukkenjagers 4
Klasse 4H · 2025-2026 · 7 games
Past teams
De Stukkenjagers 3
Klasse 4H · 2024-2025
De Stukkenjagers 5
Klasse 5L · 2024-2025
De Stukkenjagers 4
Klasse 4G · 2023-2024
De Stukkenjagers 4
Klasse 4G · 2022-2023
De Stukkenjagers 3
Klasse 3H · 2021-2022
De Stukkenjagers B
Avond 1A · 2021-2022
De Stukkenjagers B
Avond A1 · 2019-2020
De Stukkenjagers C
Avond B1 · 2018-2019
De Stukkenjagers 4
Promotieklasse · 2017-2018
De Stukkenjagers 5
Klasse 2B · 2017-2018
De Stukkenjagers B
Avond Hoofd · 2017-2018

Rating History

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Peak Ratings

Classic 1930 May 1, 2026
Rapid 1899 Feb. 1, 2025
Blitz 1896 May 1, 2026

Games

Wins 9
Losses 6
Draws 10
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 6 2 33%
Black 5 4 4 38%

Recent Matches

Verkissen, Eddy (1844) Monday 25 May 2026 WIN +9.5
Maes, C. (Chris) (1848) Monday 25 May 2026 WIN +9.7
Valk Bouman van der, J. (Jim) (1846) Sunday 24 May 2026 LOSS -15.4
Ngangbam, C. (Chingthang) (2015) Sunday 24 May 2026 LOSS -9.6
Timmermans, R. (Raymond) (2031) Saturday 23 May 2026 DRAW +3.5
Altounsi, A. (Abdulwarith) (1851) Saturday 23 May 2026 DRAW -2.7
Timmermans, Daniel (1852) Friday 22 May 2026 LOSS -15.2
Heijmans, M. (Martien) (1843) Saturday 11 April 2026 WIN +10.7
Lambregts, F.J.J. (Frank) (1951) Wednesday 8 April 2026 WIN +14.4
Terlouw, B. (Bert) (1877) Saturday 28 March 2026 WIN +13.2
Clijsen, M.C. (Mark) (2145) Wednesday 18 March 2026 DRAW +8.6
Postuma, J. (Jaap) (1855) Saturday 7 March 2026 DRAW -0.1
FM Becx, C. (César) (2079) Wednesday 25 February 2026 WIN +19.3
Knaap van der, J. (Jan) (1916) Sunday 22 February 2026 LOSS -10.7
Sol, L. (Luc) (1853) Sunday 22 February 2026 WIN +12.1
Stoppels, V. (Victor) (1866) Saturday 21 February 2026 DRAW +0.0
Ponomarev, I.A. (Ivan) (2007) Saturday 21 February 2026 LOSS -7.7
Margaryan, A. (Aren) (1934) Friday 20 February 2026 LOSS -10.1
Sivók, V. (Vince) (1711) Friday 20 February 2026 WIN +7.4
Boot, H. (Henk) (1921) Saturday 7 February 2026 DRAW +1.9