KNSB FIDE
AL

Aat Liefbroer

Rated since March 2026

1938 Classic
1938 Rapid
1938 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
GRAAF DE, D. (DICK) 2137
12052 SOS competitie 2025/2026 Lijst 1 Dec · Friday 14 November 2025
HENDRIKX, N. (NIELS) 2135
9654 SOS Competitie 2024/2025 2025-05 · Friday 23 May 2025
BALKE, B. (BERT) 1923
12775 SOS competitie 2025/2026 Lijst 1 mrt · Thursday 5 February 2026
Worst losses
ROSEBOOM, M.W.J. (MARTIN) 1849
11993 KNSB competitie 2025-2026 Klasse 4 ronde 2 · Saturday 4 October 2025
JAARSVELD VAN, H.G. (HENK) 1903
13314 KNSB competitie 2025-2026 Klasse 4 ronde 6 · Saturday 28 March 2026
ZWAMBORN, T. (THOM) 1931
12471 SOS competitie 2025/2026 Lijst 1 jan · Thursday 27 November 2025
DIJK, W.R. (ROGIER) 2017
12777 SOS competitie 2025/2026 Lijst 1 mei · Friday 24 April 2026
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–1=0 -13.8
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +0–1=0 -15.6
SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +0–1=0 -9.6
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–0=1 +6.3
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +1–0=0 +12.3
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -12.2
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +1–0=0 +19.4
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 -0.1
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +1–0=0 +19.4

Rating History

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Peak Ratings

Classic 1938 March 1, 2026
Rapid 1938 March 1, 2026
Blitz 1938 March 1, 2026

Games

Wins 3
Losses 4
Draws 2
Win Rate 33%

Performance by Color

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

Recent Matches

Dijk, W.R. (Rogier) (2017) Friday 24 April 2026 LOSS -9.6
Jaarsveld van, H.G. (Henk) (1903) Saturday 28 March 2026 LOSS -13.8
Mil van, L.H.F. (Lucas) (2136) Monday 9 March 2026 DRAW +6.3
Balke, B. (Bert) (1923) Thursday 5 February 2026 WIN +12.3
Zwamborn, T. (Thom) (1931) Thursday 27 November 2025 LOSS -12.2
Graaf de, D. (Dick) (2137) Friday 14 November 2025 WIN +19.4
Roseboom, M.W.J. (Martin) (1849) Saturday 4 October 2025 LOSS -15.6
Janse, E.W. (Erik) (1934) Thursday 2 October 2025 DRAW -0.1
Hendrikx, N. (Niels) (2135) Friday 23 May 2025 WIN +19.4