KNSB FIDE
TS

Theo Slisser

Rated since January 2023

1825 Classic
1808 Rapid
1808 Blitz

Team Competition

Current teams
BSG 1
1A · 2025-2026 · 1 game
BSG 2
Klasse 4C · 2025-2026 · 8 games
BSG 2
1D · 2025-2026 · 6 games
Past teams
BSG 2
HKC · 2024-2025
3 games
BSG 2
Klasse 4C · 2024-2025
6 games
BSG 1
HKB · 2023-2024
8 games
BSG 2
Klasse 4E · 2023-2024
8 games
BSG 1
HKB · 2022-2023
7 games
BSG 2
Klasse 4E · 2022-2023
6 games
BSG 1
HKB · 2021-2022
5 games
BSG 2
Klasse 4C · 2021-2022
7 games
Larense S.C. 1
1B · 2020-2021
1 game
BSG 1
1B · 2019-2020
1 game

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HAGEMAN, G.M.J. (GER) 1944
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
GEERTSMA, F.J. (FOLKERT-JAN) 1919
6556 KNSB competitie 2022-2023 Klasse 4 ronde 6 · Saturday 11 February 2023
SCHOOTBRUGGE VAN DE, G.V. (GABRI) 1857
9799 KNSB competitie 2024-2025 Klasse 4 ronde 3 · Saturday 9 November 2024
KUIKEN, J.C. (HANS) 1843
8599 KNSB competitie 2023-2024 Klasse 4 ronde 8 · Saturday 23 March 2024
KOK, L.H.F. (LENNART) 1770
6967 KNSB competitie 2022-2023 Klasse 4 ronde 8 · Saturday 1 April 2023
Worst losses
DIEPENDAAL, H. (HENK) 1481
5715 SOS Competitie 2022/2023 April 2023(HK) · Monday 17 April 2023
EIGENRAAM, A.E. (SANDER) 1671
12991 KNSB competitie 2025-2026 Klasse 4 ronde 7 · Saturday 7 February 2026
BETTMAN, J. (JAN) 1711
7805 KNSB competitie 2023-2024 Klasse 4 ronde 4 · Saturday 25 November 2023
SCHAKEL, T. (TIJMEN) 1762
5716 SOS Competitie 2022/2023 Mei · Friday 26 May 2023
TOOREN VAN, B.F. (BART) 1789
8101 SOS Competitie 2023/2024 April 2024 · Monday 25 March 2024
No FIDE-rated tournaments found.
SGS Viertallencompetitie 2025-2026 2026-02 Wednesday 1 October 2025 +0–0=1 -4.9
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +1–0=0 +17.1
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–0=1 +6.9
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +0–0=1 +0.8
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–1=0 -17.7
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +0–0=1 +3.0
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +0–0=1 -2.7
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–1=0 -6.5
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +0–1=0 -11.7
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–0=1 -0.7
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–1=0 -7.6
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–1=0 -9.1
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–0=1 -1.3
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 -1.3
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–1=0 -9.7
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–0=1 -0.8
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +0–1=0 -12.5
KNSB competitie 2024-2025 Klasse 4 ronde 4 Saturday 21 September 2024 +0–0=1 +1.1
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +1–0=0 +11.6
KNSB competitie 2024-2025 Klasse 4 ronde 2 Saturday 21 September 2024 +0–0=1 +1.5
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +0–1=0 -10.7
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +0–1=0 -11.1
SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +0–0=1 -0.8
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +0–1=0 -1.3
KNSB competitie 2023-2024 Klasse 4 ronde 8 Saturday 16 September 2023 +1–0=0 +10.1
KNSB competitie 2023-2024 Klasse 4 ronde 6 Saturday 16 September 2023 +0–0=1 -6.9
KNSB competitie 2023-2024 Klasse 4 ronde 5 Saturday 16 September 2023 +0–1=0 -13.2
KNSB competitie 2023-2024 Klasse 4 ronde 4 Saturday 16 September 2023 +0–1=0 -19.6
KNSB competitie 2023-2024 Klasse 4 ronde 3 Saturday 16 September 2023 +0–1=0 -12.4
KNSB competitie 2023-2024 Klasse 4 ronde 2 Saturday 16 September 2023 +0–0=1 -1.6
KNSB competitie 2023-2024 Klasse 4 ronde 1 Saturday 16 September 2023 +1–0=0 +4.1
SOS Competitie 2023/2024 Mei 2024 Friday 1 September 2023 +0–1=0 -12.6
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +0–1=0 -16.7
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +0–0=1 -1.3
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +0–0=1 -4.0
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +0–1=0 -11.7
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–1=0 -9.6
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–0=1 -0.6
SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +1–0=0 +7.0
KNSB competitie 2022-2023 Klasse 4 ronde 9 Saturday 17 September 2022 +0–0=1 -3.1
KNSB competitie 2022-2023 Klasse 4 ronde 8 Saturday 17 September 2022 +1–0=0 +6.2
KNSB competitie 2022-2023 Klasse 4 ronde 7 Saturday 17 September 2022 +0–0=1 +0.5
KNSB competitie 2022-2023 Klasse 4 ronde 6 Saturday 17 September 2022 +1–0=0 +10.4
KNSB competitie 2022-2023 Klasse 4 ronde 5 Saturday 17 September 2022 +0–1=0 -16.6
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +0–1=0 -18.4
SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–1=0 -23.9
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–1=0 -17.0
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–1=0 -10.2
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +0–0=1 0.0
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +0–0=1 -4.4

Rating History

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Peak Ratings

Classic 1980 Jan. 1, 2023
Rapid 1808 May 1, 2026
Blitz 1808 May 1, 2026

Games

Wins 7
Losses 22
Draws 21
Win Rate 14%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 14 7 16%
Black 3 7 15 12%

Recent Matches

Hageman, G.M.J. (Ger) (1944) Saturday 11 April 2026 WIN +17.1
Schwartz, A.J. (Arie) (2017) Saturday 28 March 2026 DRAW +6.9
Leeuwenkamp van, P. (Paul) (1782) Friday 20 March 2026 DRAW -0.7
Rijn van, V. (Vincent) (1823) Saturday 7 March 2026 DRAW +0.8
Koning, M.D.O. (Milan) (1973) Monday 9 February 2026 LOSS -7.6
Eigenraam, A.E. (Sander) (1671) Saturday 7 February 2026 LOSS -17.7
Pel van, J. (Johan) (1693) Monday 19 January 2026 DRAW -4.9
Smedema, E.J. (Erik Jan) (1942) Friday 16 January 2026 LOSS -9.1
Samper, S. (Santiago) (1926) Saturday 13 December 2025 DRAW +3.0
Beurskens, M. (Maus) (1801) Monday 1 December 2025 DRAW -1.3
Leijgraaff, P. (Peter) (1769) Saturday 22 November 2025 DRAW -2.7
Woudenberg, F.H. (Frank) (1812) Monday 10 November 2025 DRAW -1.3
Naaijer, M. (Martijn) (2032) Saturday 1 November 2025 LOSS -6.5
Kate ten, G. (Gustav) (1950) Friday 26 September 2025 LOSS -9.7
Dijk van, G. (Dominic) (1893) Saturday 20 September 2025 LOSS -11.7
Rooijen van, A.J.C. (Ton) (1848) Saturday 10 May 2025 DRAW -0.8
Westra, S. (Sape) (1922) Tuesday 7 January 2025 LOSS -11.1
Pel van, D. (Daan) (1894) Saturday 14 December 2024 LOSS -12.5
Aart van, H.A.P. (Eric) (1871) Wednesday 4 December 2024 DRAW -0.8
Hooning, F.H. (Freek) (1913) Saturday 23 November 2024 DRAW +1.1