KNSB FIDE
TK

Twan Kastelijn

Rated since January 2023

1855 Classic
1985 Rapid
1985 Blitz

RIVALRY

Nemesis
Gergin, I. (Isafara)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
SOURAL, JAN 2176
PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open · Wednesday 28 June 2023
JONG DE, L. (LODE) (CM) 2170
11375 85e Daniel Noteboomtoernooi Groep A · Friday 20 February 2026
KUMAR, P.S. (PRAJIT SAI) 2163
8016 83e Noteboomtoernooi Groep A · Saturday 17 February 2024
GERBER, PETER 2143
PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open · Saturday 24 June 2023
MATERS, A.F. (ARTHUR) 2129
6354 82e Noteboomtoernooi Groep A · Saturday 25 February 2023
Worst losses
KRYVENKO, DARYNA 1522
6248 Chess Festival Groningen Open B · Tuesday 27 December 2022
SIOZOS, FILIPPOS 1660
35th OPEN CHESS TOURNAMENT OF KAVALA 2026 VASILIS THEODORIDIS B · Tuesday 4 August 2026
SHE, SICHENG 1674
35th OPEN CHESS TOURNAMENT OF KAVALA 2026 VASILIS THEODORIDIS B · Tuesday 28 July 2026
GKOUNTROUMPIS, IOANNIS 1682
35th OPEN CHESS TOURNAMENT OF KAVALA 2026 VASILIS THEODORIDIS B · Wednesday 29 July 2026
STAPERSMA, D. (DICK) 1697
6248 Chess Festival Groningen Open B · Thursday 22 December 2022
35th OPEN CHESS TOURNAMENT OF KAVALA 2026 VASILIS THEODORIDIS B Monday 27 July 2026 +3–5=1 -104.8
18de BPB Limburg Open 2026 Groep B Friday 22 May 2026 +2–4=1 -52.9
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +1–2=3 +11.4
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +2–6=1 -8.5
Chessfestival Groningen Open B Sunday 21 December 2025 +4–3=2 -4.6
17e BPB Limburg Open 2025 Groep B Friday 6 June 2025 +5–2=0 +22.6
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +5–1=2 +56.4
Chess Festival Groningen Open B Saturday 21 December 2024 +4–4=1 -13.2
16e BPB Limburg Open 2024 Groep B Friday 17 May 2024 +3–4=0 -30.1
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +3–4=1 -10.2
Chess Festival Groningen Open B Thursday 21 December 2023 +5–3=1 -13.9
PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open Thursday 22 June 2023 +4–4=1 +56.9
15e BPB Limburg Open 2023 Groep B Friday 26 May 2023 +3–2=2 +24.8
Tata Steel Chess Tournament 2023 Tienkampen Friday 13 January 2023 +2–4=2 -14.1
KNSB competitie 2026-2027 Klasse 3 ronde 1 Saturday 19 September 2026 +1–0=0 +13.3
KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +1–0=0 +14.3
KNSB competitie 2025-2026 Klasse 3 ronde 6 Saturday 20 September 2025 +1–0=0 +8.2
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +0–1=0 -13.0
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–1=0 -4.4
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +0–1=0 -12.3
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +1–0=0 +15.1
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +0–1=0 -12.2
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +1–0=0 +13.8
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–1=0 -10.5
XLIV OPEN INTERNACIONAL "VILLA DE BENASQUE" Friday 4 July 2025 +5–5=0 -52.7
84e Noteboomtoernooi Groep A Friday 21 February 2025 +2–4=0 -1.3
KNSB competitie 2024-2025 Klasse 3 ronde 9 Saturday 21 September 2024 +1–0=0 +16.2
KNSB competitie 2024-2025 Klasse 3 ronde 8 Saturday 21 September 2024 +0–1=0 -7.8
KNSB competitie 2024-2025 Klasse 3 ronde 7 Saturday 21 September 2024 +0–0=1 +1.7
KNSB competitie 2024-2025 Klasse 3 ronde 6 Saturday 21 September 2024 +1–0=0 +13.1
KNSB competitie 2024-2025 Klasse 3 ronde 5 Saturday 21 September 2024 +0–1=0 -14.0
KNSB competitie 2024-2025 Klasse 3 ronde 4 Saturday 21 September 2024 +1–0=0 +13.0
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Saturday 21 September 2024 +1–0=0 +11.6
KNSB competitie 2024-2025 Klasse 3 ronde 1 Saturday 21 September 2024 +1–0=0 +14.6
S: Zadar Chess Festival, B-turnir Tuesday 16 July 2024 +4–3=2 +4.0
OGD-Prinsenstadtoernooi Groep B Friday 29 March 2024 +2–2=2 -26.6
83e Noteboomtoernooi Groep A Friday 16 February 2024 +3–3=0 +32.7
Regionale competitie Leidse Schaakbond 2023 - 2024 1e Klasse Sunday 8 October 2023 +0–1=0 -17.4
KNSB competitie 2023-2024 Klasse 3 ronde 9 Saturday 16 September 2023 +0–1=0 -6.3
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +0–1=0 -9.5
KNSB competitie 2023-2024 Klasse 3 ronde 7 Saturday 16 September 2023 +1–0=0 +11.9
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +1–0=0 +17.4
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +0–0=1 -0.8
KNSB competitie 2023-2024 Klasse 3 ronde 3 Saturday 16 September 2023 +1–0=0 +6.2
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor decemberlijst Saturday 16 September 2023 +0–1=0 -10.4
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +1–0=0 +9.4
82e Noteboomtoernooi Groep A Friday 24 February 2023 +3–3=0 +36.0
Chess Festival Groningen Open B Wednesday 21 December 2022 +5–4=0 -27.9
Regionale competitie LeiSB 2022-2023 Hoofdklasse april 2023 Saturday 1 October 2022 +0–0=1 +3.1
Regionale competitie LeiSB 2022-2023 Hoofdklasse maart 2023 Saturday 1 October 2022 +0–1=1 -6.3
Regionale competitie LeiSB 2022-2023 Hoofdklasse februari Saturday 1 October 2022 +0–1=0 -10.4
Regionale competitie LeiSB 2022-2023 Hoofdklasse december 2022 Saturday 1 October 2022 +1–0=0 +11.6
KNSB competitie 2022-2023 Klasse 3 ronde 9 Saturday 17 September 2022 +1–0=0 +11.9
KNSB competitie 2022-2023 Klasse 3 ronde 8 Saturday 17 September 2022 +0–0=1 +3.2
KNSB competitie 2022-2023 Klasse 3 ronde 7 Saturday 17 September 2022 +0–1=0 -11.9
KNSB competitie 2022-2023 Klasse 3 ronde 6 Saturday 17 September 2022 +0–1=0 -12.4
KNSB competitie 2022-2023 Klasse 3 ronde 5 Saturday 17 September 2022 +0–0=1 +5.5
KNSB competitie 2022-2023 Klasse 3 ronde 4 Saturday 17 September 2022 +0–1=0 -9.5

Team Competition

Current team
ASC 1
Klasse 3D · 2025-2026 · 9 games
Past teams
ASC 1
Klasse 3B · 2024-2025
ASC 1
Klasse 3D · 2023-2024
ASC 1
Klasse 3E · 2022-2023
ASC 1
Klasse 3E · 2021-2022

Rating History

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Peak Ratings

Classic 2055 July 1, 2025
Rapid 1990 March 1, 2026
Blitz 1990 March 1, 2026

Games

Wins 86
Losses 88
Draws 28
Win Rate 43%

Performance by Color

Color Wins Draws Losses Win Rate
White 52 16 35 50%
Black 34 12 53 34%

Recent Matches

Sennema, R. (Remy) (1969) Saturday 19 September 2026 WIN +13.3
Siozos, Filippos (1660) Tuesday 4 August 2026 LOSS -21.0
Sgouros Niarchos, Ioannis (1626) Monday 3 August 2026 DRAW -9.2
Badrakova, K. (Ksenia) (1707) Sunday 2 August 2026 LOSS -20.0
Wu, Xing (1533) Saturday 1 August 2026 WIN +1.9
Acikbas, Ege (1636) Friday 31 July 2026 WIN +3.5
Gkountroumpis, Ioannis (1682) Wednesday 29 July 2026 LOSS -20.6
Cicek, Baris (1504) Tuesday 28 July 2026 WIN +1.5
She, Sicheng (1674) Tuesday 28 July 2026 LOSS -20.7
Sveinsson, Gudmundur Peng (1700) Monday 27 July 2026 LOSS -20.1
Cartanya, P. (Pau) (1897) Monday 25 May 2026 WIN +9.0
Halmans, L. (Leopold) (1875) Monday 25 May 2026 WIN +8.3
Luong, A. (Thao) (1754) Sunday 24 May 2026 LOSS -20.1
Porteman, E. (Eric) (1845) Sunday 24 May 2026 DRAW -5.1
Pasterkamp, B. (Bas) (1915) Saturday 23 May 2026 LOSS -15.4
Bettman, J. (Jan) (1948) Saturday 23 May 2026 LOSS -14.3
Ye, Philipp (1917) Friday 22 May 2026 LOSS -15.3
Okita, S. (Shinsaku) (2036) Saturday 11 April 2026 WIN +14.3
Brugman, R.J.P. (Roman) (1862) Saturday 28 March 2026 WIN +8.2
Faber, R.M. (Roel) (1976) Saturday 7 March 2026 LOSS -13.0