KNSB FIDE
AB

Aart Baas

Rated since January 2023

1989 Classic
1989 Rapid

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
SEGERS, J.C.M. (HANS) 1962
Snelschaak Teams (tijdens NK 2024) · 2024-07-13
VIERGEVER, M.A. (MAX) 1943
7603 SOS Competitie 2023/2024 September 2023 · 2023-09-11
KOELEMAN, F.A. (FEDOR) 1903
9647 SOS Competitie 2024/2025 2024-10 · 2024-10-08
CLITEUR, O.P. (OLAF) 1900
Snelschaak Teams (tijdens NK 2024) · 2024-07-13
FAVEREY, E.S. (EDDY) 1885
9654 SOS Competitie 2024/2025 2025-05 · 2025-05-23
Worst losses
BEKIUS, T. (TOM) 1708
6236 KNSB competitie 2022-2023 Klasse 5 ronde 4 · 2022-12-17
SLOTBOOM, T. (TEUS SR) 1746
Snelschaak Teams (tijdens NK 2024) · 2024-07-13
TOORN VAN DER, R. (RICK) 1762
9650 SOS Competitie 2024/2025 2025-01 · 2025-01-15
EGMOND VAN, T.S. (TOM) 1771
6557 KNSB competitie 2022-2023 Klasse 5 ronde 5 · 2023-02-11
KLOPPENBORG, J. (JOS) 1787
7604 SOS Competitie 2023/2024 Oktober 2023 · 2023-10-03
No FIDE-rated tournaments found.
SGS Bekercompetitie 2025-2026 SGS Beker 2025-12 Wed, Oct 1, 2025 +1–0=0
KNSB competitie 2025-2026 Klasse 6 ronde 6 Sat, Sep 20, 2025 +1–0=0 +1.6
KNSB competitie 2025-2026 Klasse 6 ronde 4 Sat, Sep 20, 2025 +1–0=0
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Sat, Sep 20, 2025 +1–0=0 +6.0
KNSB competitie 2025-2026 Klasse 6 ronde 2 Sat, Sep 20, 2025 +1–0=0 +5.4
KNSB competitie 2025-2026 Klasse 6 ronde 1 Sat, Sep 20, 2025 +1–0=0
SOS competitie 2025/2026 Lijst 1 feb Mon, Sep 1, 2025 +0–0=1 +2.9
SOS competitie 2025/2026 Lijst 1 jan Mon, Sep 1, 2025 +1–0=0 +5.8
SOS competitie 2025/2026 Lijst 1 Dec Mon, Sep 1, 2025 +1–0=0 +7.3
SOS competitie 2025/2026 Lijst 1 Nov Mon, Sep 1, 2025 +1–0=0 +8.2
SGS Bekercompetitie 2024-12 Fri, Nov 1, 2024 +0–1=0 -13.6
KNSB competitie 2024-2025 Klasse 6 ronde 7 Sat, Sep 21, 2024 +0–1=0
KNSB competitie 2024-2025 Klasse 6 ronde 6 Sat, Sep 21, 2024 +1–0=0 +8.3
KNSB competitie 2024-2025 Klasse 6 ronde 4 Sat, Sep 21, 2024 +1–0=0 +5.7
KNSB competitie 2024-2025 Klasse 6 ronde 2 Sat, Sep 21, 2024 +1–0=0 +0.9
KNSB competitie 2024-2025 Klasse 6 ronde 1 Sat, Sep 21, 2024 +0–0=1 -5.9
SOS Competitie 2024/2025 2025-05 Sun, Sep 1, 2024 +1–0=0 +9.8
SOS Competitie 2024/2025 2025-03 Sun, Sep 1, 2024 +1–0=0 +6.1
SOS Competitie 2024/2025 2025-02 Sun, Sep 1, 2024 +1–0=0 +9.4
SOS Competitie 2024/2025 2025-01 Sun, Sep 1, 2024 +0–1=0 -18.8
SOS Competitie 2024/2025 2024-11 Sun, Sep 1, 2024 +1–0=0 +6.4
SOS Competitie 2024/2025 2024-10 Sun, Sep 1, 2024 +2–0=0 +19.8
Snelschaak Teams (tijdens NK 2024) Sat, Jul 13, 2024 +7–7=2 -12.2
SGS Bekercompetitie 2023/2024 2024-03 Sun, Oct 1, 2023 +0–0=1 +0.1
SGS Bekercompetitie 2023/2024 2023-12 Sun, Oct 1, 2023 +0–1=0 -13.2
SGS Bekercompetitie 2023/2024 2023-11 Sun, Oct 1, 2023 +1–0=0 +11.5
KNSB competitie 2023-2024 Klasse 6 ronde 7 Sat, Sep 16, 2023 +1–0=0 +8.1
KNSB competitie 2023-2024 Klasse 6 ronde 6 Sat, Sep 16, 2023 +1–0=0 +5.3
KNSB competitie 2023-2024 Klasse 6 ronde 5 Sat, Sep 16, 2023 +0–0=1 -10.5
KNSB competitie 2023-2024 Klasse 6 ronde 3 Sat, Sep 16, 2023 +1–0=0 +5.5
KNSB competitie 2023-2024 Klasse 6 ronde 2 Sat, Sep 16, 2023 +1–0=0 +1.0
KNSB competitie 2023-2024 Klasse 6 ronde 1 Sat, Sep 16, 2023 +1–0=0 +1.4
SOS Competitie 2023/2024 Mei 2024 Fri, Sep 1, 2023 +0–0=1 -1.7
SOS Competitie 2023/2024 April 2024 Fri, Sep 1, 2023 +1–0=0 +9.5
SOS Competitie 2023/2024 Maart 2024 Fri, Sep 1, 2023 +0–1=0 -9.3
SOS Competitie 2023/2024 Februari 2024 Fri, Sep 1, 2023 +1–0=0 +3.4
SOS Competitie 2023/2024 Januari 2024 Fri, Sep 1, 2023 +1–0=0 +6.6
SOS Competitie 2023/2024 December 2023 Fri, Sep 1, 2023 +0–0=1 -1.8
SOS Competitie 2023/2024 November 2023 Fri, Sep 1, 2023 +0–0=1 -3.7
SOS Competitie 2023/2024 Oktober 2023 Fri, Sep 1, 2023 +0–1=0 -16.5
SOS Competitie 2023/2024 September 2023 Fri, Sep 1, 2023 +1–0=0 +14.3
SGS Bekercompetitie feb 2023 Mon, Oct 17, 2022 +0–1=0 -14.3
KNSB competitie 2022-2023 Klasse 5 ronde 6 Sat, Sep 17, 2022 +1–0=0 +6.7
KNSB competitie 2022-2023 Klasse 5 ronde 5 Sat, Sep 17, 2022 +0–1=0 -16.8
KNSB competitie 2022-2023 Klasse 5 ronde 4 Sat, Sep 17, 2022 +0–1=0 -18.6
KNSB competitie 2022-2023 Klasse 5 ronde 3 Sat, Sep 17, 2022 +1–0=0 +9.9
SOS Competitie 2022/2023 Mei Mon, Sep 12, 2022 +0–0=1 -5.7
SOS Competitie 2022/2023 April 2023(K1) Mon, Sep 12, 2022 +1–0=0 +11.7
SOS Competitie 2022/2023 Maart 2023(K1) Mon, Sep 12, 2022 +1–0=0 +10.2
SOS Competitie 2022/2023 December 2022 Mon, Sep 12, 2022 +1–0=0 +11.4

Rating History

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Peak Ratings

Classic 2010 March 1, 2026
Rapid 2010 March 1, 2026
Blitz 1933 Oct. 1, 2024

Games

Wins 40
Losses 16
Draws 10
Win Rate 61%

Performance by Color

Color Wins Draws Losses Win Rate
White 24 8 11 56%
Black 16 2 5 70%

Recent Matches

Eswar, A. (Aadith) (1575) 2026-02-07 WIN +1.6
Spies, H. (Henk) (2083) 2026-01-13 DRAW +2.9
Wolf, A.T. (Amelie) 2025-12-13 WIN
Veer, W.N. (Willem) 2025-11-30 WIN
Koot, G.C.A. (Jory) (1769) 2025-11-25 WIN +5.8
Stroosma, H. (Harry) (1779) 2025-11-22 WIN +6.0
Dreu de, D. (Dies) (1822) 2025-11-07 WIN +7.3
Ozbakan, B. (Burak) (1756) 2025-11-01 WIN +5.4
Amaechi, L.C. (Lotanna) 2025-10-04 WIN
Zelst van, P. (Peter) (1845) 2025-09-30 WIN +8.2
Faverey, E.S. (Eddy) (1885) 2025-05-23 WIN +9.8
Schouten, N.M. (Nick) 2025-04-05 LOSS
Heusden van, E. (Eric) (1751) 2025-03-10 WIN +6.1
Blommestein van, F.A.V. (Victor) (1824) 2025-03-08 WIN +8.3
Wingerden van, A.T. (André) (1848) 2025-02-04 WIN +9.4
Toorn van der, R. (Rick) (1762) 2025-01-15 LOSS -18.8
Spruit, T.C.M. (Theo) (1751) 2024-12-14 WIN +5.7
Busstra, F. (Freek) (1928) 2024-11-30 LOSS -13.6
Plukkel, G. (Guus) (1449) 2024-11-09 WIN +0.9
Reeders, R.F.K. (Remy) (1771) 2024-11-06 WIN +6.4