Bar Blitz KNSB FIDE
AS

Alexander Sleeckx

Rated since August 2023

2128 Classic
1967 Rapid
2130 Blitz
Alexander's accounts
FIDE Verified KNSB Verified

Team Competition

Current teams
Caissa 1
Hoofdklasse · 2025-2026 · 5 games
Caissa 1
Klasse 1A · 2025-2026 · 1 game
Caissa 2
Klasse 3C · 2025-2026 · 1 game
Caissa 5
Klasse 5C · 2025-2026 · 5 games
Past teams
Caissa 1
Hoofdklasse · 2024-2025
7 games
Caissa 4
Klasse 5H · 2024-2025
6 games
Caissa
Zilveren Beker · 2023-2024
4 games
Caissa 2
Hoofdklasse · 2023-2024
5 games
Caissa 2
Klasse 3E · 2023-2024
1 game
Caissa 4
Klasse 6E · 2023-2024
6 games
Caissa 4
Klasse 5E · 2022-2023
1 game
Caissa 4
Klasse 5D · 2021-2022
1 game

The good & the bad

Best wins
Teianu, S. (Sabin) 2213
9780 Amsterdam Chess Open Groep A · Friday 24 October 2025
Dam ten, B. (Bram) (CM) 2190
Brugse Meesters 2025 Open · Wednesday 13 August 2025
Krylov, P. (Philippe) 2177
9780 Amsterdam Chess Open Groep A · Sunday 26 October 2025
Pauwels, X. (Xander) 2129
Brugse Meesters 2025 Open · Friday 15 August 2025
Pronk, S. (Sven) 2112
12677 SGA Competitie 2025-2026 Hoofdklasse ronde 3 · Tuesday 2 December 2025
Worst losses
Nolf, Francky 1535
Brugse Meesters 2023 U1800 - Belgian Championship 2023 Open B · Wednesday 16 August 2023
Egelie, P.L. (Peter) 1680
7463 Amsterdam Science Park Schaaktoernooi Dagvierkampen · Tuesday 18 July 2023
Micciche, Ruben 1709
Brugse Meesters 2023 U1800 - Belgian Championship 2023 Open B · Monday 14 August 2023
Sterk, R. (Ralf) 1884
9802 Amsterdam Chess Open Groep B · Sunday 3 November 2024
Fransen, J.P. (Jean-Paul) 1901
11247 Open NK Rapid 2025 Open NK Rapid · Saturday 3 May 2025
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +1–0=2 +11.4
Chessfestival Groningen Vierkampen Groep A Monday 22 December 2025 +1–1=1 -7.6
Amsterdam Chess Open Groep A Friday 24 October 2025 +2–2=2 +21.0
Open NK Rapid 2025 Open NK Rapid Saturday 3 May 2025 +5–4=0 -43.4
TAPIJTGIGANT OPEN ASK 2025 Groep B Saturday 19 April 2025 +4–0=1 +37.5
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +2–4=0 -27.1
Amsterdam Chess Open Groep B Friday 1 November 2024 +2–2=2 -7.3
Amsterdam Science Park Schaaktoernooi Dagvierkampen Saturday 15 July 2023 +2–1=0 -21.7
SGA Competitie 2025-2026 Hoofdklasse ronde 7 Wednesday 1 October 2025 +0–2=0 -19.2
SGA Competitie 2025-2026 Hoofdklasse ronde 6 en 7 Wednesday 1 October 2025 +2–0=0 +15.6
SGA Competitie 2025-2026 Hoofdklasse ronde 3 Wednesday 1 October 2025 +1–0=0 +12.2
SGA Competitie 2025-2026 Hoofdklasse ronde 2 Wednesday 1 October 2025 +1–0=0 +10.8
SGA Competitie 2025-2026 Hoofdklasse ronde 1 Wednesday 1 October 2025 +0–0=1 -0.6
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +1–0=0 +5.7
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +2–0=0 +6.9
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +0–0=1 -6.3
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +0–0=1 +0.1
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +1–0=0 +5.7
KNSB competitie 2025-2026 Klasse 5 ronde 1 Saturday 20 September 2025 +1–0=0 +6.2
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–1=0 -12.1
Brugse Meesters 2025 Open Saturday 9 August 2025 +5–2=2 +48.4
SGA Rapidcompetitie 2025 Hoofdklasse voorrondes Monday 19 May 2025 +0–2=1 -23.6
SGA Competitie 2024-2025 Hoofdklasse ronde 7 Monday 30 September 2024 +0–0=1 -1.3
SGA Competitie 2024-2025 Hoofdklasse ronde 6 en 7 Monday 30 September 2024 +0–0=1 -3.3
SGA Competitie 2024-2025 Hoofdklasse ronde 5 Monday 30 September 2024 +1–0=0 +11.9
SGA Competitie 2024-2025 Hoofdklasse ronde 4 Monday 30 September 2024 +1–0=0 +11.5
SGA Competitie 2024-2025 Hoofdklasse ronde 3 Monday 30 September 2024 +1–0=0 +14.3
SGA Competitie 2024-2025 Hoofdklasse ronde 2 Monday 30 September 2024 +0–0=1 +0.6
SGA Competitie 2024-2025 Hoofdklasse ronde 1 en 2 Monday 30 September 2024 +0–0=1 +2.1
KNSB competitie 2024-2025 Klasse 5 ronde 6 Saturday 21 September 2024 +1–0=0 +14.1
KNSB competitie 2024-2025 Klasse 5 ronde 5 Saturday 21 September 2024 +0–0=1 -2.6
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +1–0=0 +9.4
KNSB competitie 2024-2025 Klasse 5 ronde 3 Saturday 21 September 2024 +0–0=1 -4.4
KNSB competitie 2024-2025 Klasse 5 ronde 2 Saturday 21 September 2024 +0–0=1 -4.4
Brugse Meesters 2023 U1800 - Belgian Championship 2023 Open B Saturday 12 August 2023 +6–2=0 -77.2
SGA Competitie 2022-2023 2e Klasse B Ronde 5 Saturday 1 October 2022 +0–0=1 -23.2
KNSB competitie 2022-2023 Klasse 5 ronde 6 Saturday 17 September 2022 +1–0=0 +23.3
KNSB competitie 2021-2022 Klasse 5 - ronde 4 Saturday 18 September 2021 +1–0=0 +28.4

Rating History

Loading KNSB rating history...

Peak Ratings

Classic 2138 May 1, 2026
Rapid 1991 June 1, 2025
Blitz 2130 April 1, 2026

Games

Wins 46
Losses 23
Draws 22
Win Rate 51%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 30 12 6 62%
Black 16 10 17 37%

Recent KNSB Matches

Burgerhoff, J.T. (Tycho) (2196) Tuesday 28 April 2026 LOSS -9.6
Burgerhoff, J.T. (Tycho) (2196) Tuesday 28 April 2026 LOSS -9.6
Laan, K.J.A. (Kart) (2005) Thursday 2 April 2026 WIN +7.8
Laan, K.J.A. (Kart) (2005) Thursday 2 April 2026 WIN +7.8
Leeftink, G. (Gerbert) (1922) Saturday 7 March 2026 WIN +5.7
Elferink, D.A. (Duncan) (1817) Saturday 7 February 2026 WIN +3.4
Elferink, D.A. (Duncan) (1817) Saturday 7 February 2026 WIN +3.4
Elferink, L.A. (Leon) (2045) Sunday 18 January 2026 WIN +10.1
Leij van der, A. (Arjan) (2079) Saturday 17 January 2026 DRAW -1.1
Verhaeren, G. (Gertjan) (2180) Friday 16 January 2026 DRAW +2.4
Pathak, R. (Raghav) (2066) Wednesday 24 December 2025 LOSS -13.8
Oord, R. (Raymon) (2038) Tuesday 23 December 2025 WIN +9.7
Leest van der, B.G. (Bert) (2006) Monday 22 December 2025 DRAW -3.5
Schroën, F. (Ferry) (1912) Saturday 13 December 2025 DRAW -6.3
Pronk, S. (Sven) (2112) Tuesday 2 December 2025 WIN +12.2
Boersma, J. (Jan) (2098) Saturday 22 November 2025 DRAW +0.1
Koot van, W. (Wessel) (1881) Saturday 1 November 2025 WIN +5.7
Harmsen, M.M. (Michiel) (2019) Tuesday 28 October 2025 WIN +10.8
Krylov, P. (Philippe) (2177) Sunday 26 October 2025 WIN +16.2
Teianu, M. (Maxim) (2094) Sunday 26 October 2025 DRAW +0.9