KNSB FIDE
LK

Lex Karstens

Rated since January 2023

1930 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
HEIJMANS, M. (MARTIEN) 1843
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
Worst losses
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
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

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 7
Losses 3
Draws 8
Win Rate 39%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 1 33%
Black 4 3 2 44%

Recent Matches

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
Heide van der, I. (Ivar) (1650) Wednesday 4 February 2026 WIN +5.7
Cios, M. (Maciej) (1741) Wednesday 14 January 2026 DRAW -4.5
Mulders, P. (Pierre) (1767) Saturday 13 December 2025 DRAW -3.8
Postmes, F.M. (Frans) (1696) Wednesday 10 December 2025 DRAW -6.0
Jans, W. (Wouter) (1875) Saturday 1 November 2025 DRAW -0.1