KNSB FIDE
BA

Ben Ahlers

Rated since January 2023

2081 Classic
2081 Rapid
2081 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VLIET VAN, J. (JEFFREY) (FM) 2364
11991 KNSB competitie 2025-2026 Klasse 2 ronde 2 · Saturday 4 October 2025
HAVER, B.A. (BAS) (FM) 2306
10069 KNSB competitie 2024-2025 Klasse 2 ronde 5 · Saturday 14 December 2024
WESTENBERG, H. (HAN) 2154
7638 KNSB competitie 2023-2024 Klasse 2 ronde 2 · Saturday 7 October 2023
CHERNYKH, A. (ARKADY) 2141
7014 KNSB competitie 2022-2023 Klasse 2 ronde 9 · Saturday 22 April 2023
MAREL VAN DER, B. (LAMBERTUS) 2129
6551 KNSB competitie 2022-2023 Beker ronde 3 · Sunday 5 February 2023
Worst losses
ROOZENDAAL, M. (MARC) 1892
12591 KNSB competitie 2025-2026 Klasse 2 ronde 5 · Saturday 13 December 2025
MENSING, A.D. (ADRIAN) 1960
8371 KNSB competitie 2023-2024 Klasse 2 ronde 6 · Saturday 3 February 2024
KANTERS, C.J. (COR) 1980
7928 HSB competitie 2023-2024 Beker ronde 1 deel 1 · Saturday 25 November 2023
BROEK, T. (THOMAS) 2018
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Tuesday 20 January 2026
GEUS DE, G.J. (GERARD) 2046
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Monday 19 January 2026
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +0–3=0 -41.7
KNSB competitie 2025-2026 Klasse 2 ronde 5 Saturday 20 September 2025 +0–1=0 -18.5
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor december rating Saturday 20 September 2025 +0–0=1 -2.6
KNSB competitie 2025-2026 Klasse 2 Ronde 4 Saturday 20 September 2025 +0–0=1 +0.4
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +0–0=1 -3.5
KNSB competitie 2025-2026 Klasse 2 ronde 2 Saturday 20 September 2025 +1–0=0 +18.8
KNSB competitie 2025-2026 Klasse 2 ronde 1 Saturday 20 September 2025 +0–0=1 -3.6
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Monday 1 September 2025 +0–0=1 -3.7
HSB competitie 2025-2026 October 2025 Monday 1 September 2025 +1–0=0 +3.1
HSB competitie 2025-2026 September 2025 Monday 1 September 2025 +1–0=0 +9.3
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–0=1 +4.5
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +1–0=0 +9.3
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +10.4
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +1–0=0 +19.7
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–0=1 -2.5
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–1=0 -10.8
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +0–0=1 -0.1
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–0=1 +0.2
HSB competitie 2023-2024 Competitie april Monday 18 September 2023 +0–0=1 +2.0
HSB competitie 2023-2024 Competitie maart Monday 18 September 2023 +0–0=1 -5.7
HSB competitie 2023-2024 HSB Competitie 2023-2024 Januari en Februari Monday 18 September 2023 +0–0=1 -3.8
HSB competitie 2023-2024 December 2023 Monday 18 September 2023 +1–0=0 +4.5
HSB competitie 2023-2024 Beker ronde 1 deel 1 Monday 18 September 2023 +0–1=0 -16.6
HSB competitie 2023-2024 Hoofd en 2A ronde 3 Monday 18 September 2023 +1–0=0 +11.6
HSB competitie 2023-2024 competitie ronde Monday 18 September 2023 +0–0=1 -2.8
HSB competitie 2023-2024 Groep A Monday 18 September 2023 +0–0=1 +4.4
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +1–0=0 +9.4
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–0=1 +8.8
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +0–1=0 -17.2
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +1–0=0 +0.8
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor januarilijst Saturday 16 September 2023 +0–1=0 -3.4
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +0–1=0 -6.7
KNSB competitie 2023-2024 Klasse 2 ronde 3 Saturday 16 September 2023 +1–0=0 +10.0
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +1–0=0 +15.0
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +1–0=0 +12.4
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +1–0=0 +15.4
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +0–1=0 -7.7
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +0–0=1 -3.2
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–1=0 -8.1
KNSB competitie 2022-2023 Beker ronde 3 Saturday 17 September 2022 +1–0=0 +15.8
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +0–0=1 -4.0
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +1–0=0 +11.8
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +0–1=0 -7.8
HSB competitie 2022-2023 HSB competitie 2022-2023 ronde 6 en 7 Monday 29 August 2022 +1–0=0 +6.6
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 5 Monday 29 August 2022 +1–0=0 +4.7
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 4 Monday 29 August 2022 +1–0=0 +1.9
HSB competitie 2022-2023 HSB beker ronde 1 en 2 Monday 29 August 2022 +1–0=0 +13.5

Rating History

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Peak Ratings

Classic 2150 Nov. 1, 2025
Rapid 2081 March 1, 2026
Blitz 2081 March 1, 2026

Games

Wins 20
Losses 12
Draws 17
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 12 10 6 43%
Black 8 7 6 38%

Recent Matches

CM Bocquenet-Drouode, Hugo (2124) Wednesday 21 January 2026 LOSS -11.9
Broek, T. (Thomas) (2018) Tuesday 20 January 2026 LOSS -15.3
Geus de, G.J. (Gerard) (2046) Monday 19 January 2026 LOSS -14.5
Roozendaal, M. (Marc) (1892) Saturday 13 December 2025 LOSS -18.5
Drenthen, A. (Arjan) (2024) Wednesday 10 December 2025 DRAW -3.7
Teianu, M. (Maxim) (2067) Tuesday 25 November 2025 DRAW -2.6
Teianu, S. (Sabin) (2163) Saturday 22 November 2025 DRAW +0.4
Wijnberg, A. (Arjan) (2037) Saturday 1 November 2025 DRAW -3.5
Raan van, J.M. (Jos) (1808) Monday 13 October 2025 WIN +3.1
FM Vliet van, J. (Jeffrey) (2364) Saturday 4 October 2025 WIN +18.8
Dijk van, E. (Eduard) (2040) Monday 22 September 2025 WIN +9.3
Vlaming, J. (Jos) (2010) Saturday 20 September 2025 DRAW -3.6
Webbink, H.D. (Dinand) (2256) Saturday 5 April 2025 DRAW +4.5
Mulder, B.P. (Bart-Piet) (2022) Saturday 8 March 2025 WIN +9.3
Osterwald, E. (Elwin) (2038) Saturday 8 February 2025 WIN +10.4
FM Haver, B.A. (Bas) (2306) Saturday 14 December 2024 WIN +19.7
Sonneveld, D.W.A. (David) (2020) Saturday 23 November 2024 DRAW -2.5
Oudshoorn, A. (Arres) (2142) Saturday 9 November 2024 LOSS -10.8
Mil van, L.H.F. (Lucas) (2088) Saturday 12 October 2024 DRAW -0.1
Kommer, B. (Bas) (2097) Saturday 21 September 2024 DRAW +0.2