KNSB FIDE
SD

Siem van Dael

Rated since January 2023

2321 Classic
2289 Rapid
2265 Blitz

RIVALRY

Nemesis
Casares Cabanas, Carlos
Games: 3 · Win rate: 33%
Kryptonite
Lenaerts, L. (Lennert)
Games: 3 · Win rate: 0%
Easy Target
Kokje, J.J.I. (Joris)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
BEERDSEN, T.A. (THOMAS) (GM) 2500
9795 KNSB competitie 2024-2025 Meesterklasse ronde 3 · Saturday 9 November 2024
PIJPERS, A. (ARTHUR) (IM) 2460
11262 NK kwalificatie Groep A · Sunday 25 May 2025
LEENHOUTS, K. (KOEN) (GM) 2443
IX Open Internacional Ciudad de Oviedo · Tuesday 25 July 2023
COLOVIC, ALEKSANDAR (GM) 2441
CE CECLUB SEGUNDA DIVISION 2023 · Friday 18 August 2023
LOPEZ, J.J. (JASEL JUSTO) (IM) 2434
6549 Tata Steel Chess Tournament 2023 Qualifiers · Wednesday 25 January 2023
Worst losses
BORIC, JAKOV 1804
S: Split Chess Open 2023 · Sunday 6 August 2023
KOZLOVIC, JERNEJ (FM) 1878
27. Hit open 2023-A · Tuesday 21 March 2023
UBER GRACIA, HUGO (CM) 1931
IX Chessable Sunway Sitges Chess Festival - Group A · Tuesday 13 December 2022
KRNIC, IVAN 1972
S: Split Chess Open 2023 · Sunday 6 August 2023
GRAHN, VIDAR (FM) 1980
Rilton Cup 2022-2023 · Tuesday 27 December 2022
Belgian Interclubs Round 2025-2026 Ronde 10 Sunday 29 March 2026 +1–0=0 +8.0
Belgian Interclubs Round 2025-2026 Ronde 9 Sunday 15 March 2026 +1–0=0 +1.1
Belgian Interclubs Round 2025-2026 Ronde 7 Sunday 8 February 2026 +2–0=0 +18.2
Belgian Interclubs Round 2025-2026 Ronde 5 Sunday 7 December 2025 +0–0=1 -2.6
Belgian Interclubs Round 2025-2026 Ronde 4 Sunday 23 November 2025 +1–0=0 +5.3
Belgian Interclubs Round 2025-2026 Ronde 3 Sunday 16 November 2025 +1–0=0 +2.8
Belgian Interclubs Round 2025-2026 Ronde 2 Sunday 12 October 2025 +0–1=0 -9.0
KNSB competitie 2025-2026 Meesterklasse ronde 9 Saturday 20 September 2025 +0–1=0 -3.1
KNSB competitie 2025-2026 Meesterklasse ronde 6 Saturday 20 September 2025 +2–0=0 +15.3
KNSB competitie 2025-2026 Meesterklasse ronde 8 Saturday 20 September 2025 +2–0=0 +14.5
KNSB competitie 2025-2026 Meesterklasse ronde 7 Saturday 20 September 2025 +2–0=0 +17.7
KNSB competitie 2025-2026 Meesterklasse ronde 4 Saturday 20 September 2025 +1–0=0 +7.8
KNSB competitie 2025-2026 Meesterklasse ronde 2 Saturday 20 September 2025 +1–0=0 +5.6
KNSB competitie 2025-2026 Meesterklasse ronde 1 Saturday 20 September 2025 +0–1=0 -9.3
Hoogeveen Schaaktoernooi Open Groep Saturday 26 October 2024 +3–4=1 -35.2
KNSB competitie 2024-2025 Meesterklasse ronde 9 Saturday 21 September 2024 +0–0=1 -0.3
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +0–1=0 -5.9
KNSB competitie 2024-2025 Meesterklasse ronde 7 Saturday 21 September 2024 +0–1=0 -5.9
KNSB competitie 2024-2025 Meesterklasse ronde 5 Saturday 21 September 2024 +1–0=0 +8.4
KNSB competitie 2024-2025 Meesterklasse ronde 4 Saturday 21 September 2024 +0–1=0 -10.3
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +1–0=0 +12.6
KNSB competitie 2024-2025 Meesterklasse ronde 2 Saturday 21 September 2024 +0–1=0 -4.4
16e BPB Limburg Open 2024 tienkamp Groep A Wednesday 15 May 2024 +1–7=1 -17.5
Hoogeveen 2023 Open Groep A Saturday 21 October 2023 +5–1=2 +29.0
KNSB competitie 2023-2024 Meesterklasse ronde 9 Saturday 16 September 2023 +0–1=0 -3.4
KNSB competitie 2023-2024 Meesterklasse ronde 8 Saturday 16 September 2023 +1–0=0 +7.4
KNSB competitie 2023-2024 Meesterklasse ronde 6 Saturday 16 September 2023 +0–0=1 +0.3
KNSB competitie 2023-2024 Meesterklasse ronde 4 Saturday 16 September 2023 +0–1=0 -7.7
KNSB competitie 2023-2024 Meesterklasse ronde 3 Saturday 16 September 2023 +1–0=0 +6.1
KNSB competitie 2023-2024 Meesterklasse ronde 2 Saturday 16 September 2023 +0–0=1 +0.3
KNSB competitie 2023-2024 Meesterklasse ronde 1 Saturday 16 September 2023 +0–0=1 +3.6
15e BPB Limburg Open 2023 Groep A Friday 26 May 2023 +2–2=2 -24.0
European Individual Chess Championship 2023. Friday 3 March 2023 +5–5=1 +1.9
Tata Steel Chess Tournament 2023 Qualifiers Friday 13 January 2023 +5–2=2 +22.7
Liga Galega por Equipos de Club 2026 - Division de Honra Rondas 1-4-8 Sunday 1 March 2026 +1–0=0 +3.4
Belgian Interclubs Round 2025-2026 Ronde 1 Sunday 28 September 2025 +1–0=0 +3.1
KNSB competitie 2025-2026 KNSB Beker ronde 3 voor maart rating Saturday 20 September 2025 +0–2=0 -12.3
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor januari rating Saturday 20 September 2025 +0–1=0 -10.6
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +1–0=0 +4.2
NK kwalificatie Groep A Saturday 24 May 2025 +6–6=1 +4.7
Liga Galega por Equipos de Club 2025 - Division de Honra Rondas 10-11 Friday 2 May 2025 +1–0=0 +6.0
Liga Galega por Equipos de Club 2025 - Division de Honra Rondas 8-9 Friday 4 April 2025 +0–1=0 -5.1
Belgian Interclubs 2024-2025 Round 9 Sunday 16 March 2025 +0–0=1 -0.7
Belgian Interclubs 2024-2025 Round 8 Sunday 16 February 2025 +1–0=0 +5.7
Liga Galega por Equipos de Club 2025 - Division de Honra Rondas 1-3 Saturday 1 February 2025 +0–0=1 +3.3
Belgian Interclubs 2024-2025 Round 6 Sunday 26 January 2025 +1–0=0 +4.5
Belgian Interclubs 2024-2025 Round 5 Sunday 1 December 2024 +1–0=0 +8.2
Belgian Interclubs 2024-2025 Round 4 Sunday 17 November 2024 +1–0=0 +3.0
Belgian Interclubs 2024-2025 Round 3 Sunday 3 November 2024 +1–0=0 +6.2
BSV Open Groep A Monday 28 October 2024 +2–0=0 +2.0
Belgian Interclubs 2024-2025 Round 2 Sunday 6 October 2024 +1–0=0 +0.9
Belgian Interclubs 2024-2025 Round 1 Sunday 29 September 2024 +1–0=0 +4.4
KNSB competitie 2024-2025 KNSB Beker ronde 2 voor januarilijst Saturday 21 September 2024 +1–0=0 +9.1
Campeonato de Espana por Equipos de Club de Segunda Division 2024 Sunday 11 August 2024 +2–0=2 +8.4
S: Solta Chess Open 2024 Saturday 29 June 2024 +5–1=3 +7.8
Liga Galega por Equipos de Club 2024 Primeira Division Grupo A Rondas 9-11 Friday 3 May 2024 +1–0=0 +0.9
Belgian Interclubs 2023-2024 Round 11 Sunday 21 April 2024 +1–0=0 +2.2
Liga Galega por Equipos de Club 2024 Primeira Division Grupo A Rondas 6-8 Saturday 6 April 2024 +2–0=0 +3.6
GRENKE Chess Open 2024 A-Open Thursday 28 March 2024 +4–3=2 -26.5
Belgian Interclubs 2023-2024 Round 10 Sunday 24 March 2024 +0–1=0 -10.1
2023-24 4NCL Division 1 Rounds 7-8 Saturday 16 March 2024 +0–1=1 -10.0
Liga Galega por Equipos de Club 2024 Primeira Division Grupo A Rondas 2-5 Friday 1 March 2024 +3–0=0 +4.2
Liga Galega por Equipos de Club 2024 Primeira Division Grupo A Rondas 1 Saturday 17 February 2024 +1–0=0 +1.7
2023-24 4NCL Division 1 Rounds 5-6 Saturday 10 February 2024 +0–1=1 -3.9
Belgian Interclubs 2023-2024 Round 7 Sunday 4 February 2024 +1–0=0 +3.5
IV elllobregat Open Chess Tournament 2023 Group A Thursday 30 November 2023 +2–5=2 -31.9
BSV Open Groep A Monday 20 November 2023 +1–0=0 +0.0
Belgian Interclubs 2023-2024 Round 4 Sunday 19 November 2023 +0–0=1 -0.9
6. Sparkassen-Schach-Open Leer A-Open Saturday 28 October 2023 +5–1=0 +15.1
Belgian Interclubs 2023-2024 Round 3 Sunday 22 October 2023 +1–0=0 +3.8
Belgian Interclubs 2023-2024 Round 2 Sunday 15 October 2023 +0–0=1 -1.5
European Open Club Cup 2023 Sunday 1 October 2023 +4–2=1 +13.3
Belgian Interclubs 2023-2024 Round 1 Saturday 23 September 2023 +0–0=1 +1.8
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor decemberlijst Saturday 16 September 2023 +0–1=0 -9.7
CE CECLUB SEGUNDA DIVISION 2023 Sunday 13 August 2023 +4–0=1 +23.2
S: Split Chess Open 2023 Saturday 5 August 2023 +4–2=0 -24.5
IX Open Internacional Ciudad de Oviedo Monday 24 July 2023 +4–0=5 +21.2
XXXVIII Cidade de Ferrol Thursday 13 July 2023 +5–2=2 -5.3
S: 6th International Chess Amateur Tournament Solta Chess Open 2023 Tuesday 27 June 2023 +5–1=3 -4.5
XIX Torneo Cidade de Lugo Friday 16 June 2023 +4–0=1 -0.3
Liga Galega por Equipos de Club 2023 Division de Honra Rondas 8-11 Friday 5 May 2023 +2–2=0 -2.8
Liga Galega por Equipos de Club 2023 Division de Honra Rondas 5-7 Friday 14 April 2023 +2–1=0 +5.9
27. Hit open 2023-A Thursday 16 March 2023 +5–3=1 -6.9
Belgian Interclubs 2022-2023 Ronde 7 Sunday 12 February 2023 +0–0=1 +2.1
Rilton Cup 2022-2023 Tuesday 27 December 2022 +2–3=4 -22.0
BSV Open 2022/2023 Groep A Monday 12 December 2022 +2–1=0 -11.7
IX Chessable Sunway Sitges Chess Festival - Group A Monday 12 December 2022 +4–4=2 -43.2
Belgian Interclubs 2022-2023 Ronde 5 Sunday 4 December 2022 +0–0=1 +0.4
XVII Torneo Cidade de Lugo Friday 25 November 2022 +5–0=0 +5.4
Belgian Interclubs 2022-2023 Ronde 3 Sunday 6 November 2022 +0–1=0 -4.9
Uppsala Young Champions 2022 Friday 28 October 2022 +5–3=1 +8.4
KNSB competitie 2022-2023 Meesterklasse ronde 8 Saturday 17 September 2022 +0–1=0 -2.2
KNSB competitie 2022-2023 Meesterklasse ronde 7 Saturday 17 September 2022 +1–0=0 +4.9

Rating History

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Peak Ratings

Classic 2351 Jan. 1, 2023
Rapid 2289 June 1, 2025
Blitz 2265 March 1, 2026

Games

Wins 146
Losses 80
Draws 54
Win Rate 52%

Performance by Color

Color Wins Draws Losses Win Rate
White 79 29 35 55%
Black 67 25 45 49%

Recent Matches

GM Vrolijk, L.N. (Liam) (2536) Saturday 11 April 2026 LOSS -3.1
FM Panjer, S. (Sidney) (2295) Sunday 29 March 2026 WIN +8.0
FM Kokje, J.J.I. (Joris) (2281) Saturday 28 March 2026 WIN +7.7
FM Kokje, J.J.I. (Joris) (2281) Saturday 28 March 2026 WIN +7.7
Lagendijk, I. (Ivo) (1872) Sunday 15 March 2026 WIN +1.1
Rootselaar van, R. (Rik) (2262) Saturday 7 March 2026 WIN +7.2
Rootselaar van, R. (Rik) (2262) Saturday 7 March 2026 WIN +7.2
Leiros Vila, Avelino (2066) Sunday 1 March 2026 WIN +3.4
FM Zouaghi, A. (Amir) (2341) Sunday 8 February 2026 WIN +9.1
FM Zouaghi, A. (Amir) (2341) Sunday 8 February 2026 WIN +9.1
FM Lenaerts, L. (Lennert) (2365) Sunday 8 February 2026 LOSS -6.1
FM Lenaerts, L. (Lennert) (2365) Sunday 8 February 2026 LOSS -6.1
FM Ritzerveld, N. (Noah) (2329) Saturday 7 February 2026 WIN +8.8
FM Ritzerveld, N. (Noah) (2329) Saturday 7 February 2026 WIN +8.8
Kshirsagar, P.V. (Pranav) (2155) Sunday 14 December 2025 LOSS -10.6
WFM Bashylina, L. (Luisa) (2166) Sunday 7 December 2025 DRAW -2.6
Allaert, D. (Dimitri) (2168) Sunday 23 November 2025 WIN +5.3
FM Rijnaarts, S. (Sjef) (2284) Saturday 22 November 2025 WIN +7.8
Rogiers, Jan (2026) Sunday 16 November 2025 WIN +2.8
Huibers, P. (Peter) (2109) Saturday 1 November 2025 WIN +4.2