KNSB FIDE
EK

Erwin de Kleijn

Rated since January 2023

1784 Classic
1878 Rapid
1784 Blitz

RIVALRY

Nemesis
Vreeken, C.N. (Kees)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
WIERSMA, C.A.S. (CAMIEL) 2047
8600 KNSB competitie 2023-2024 Klasse 5 ronde 7 · Saturday 23 March 2024
MANSCHOT, T. (THOMAS) 1983
10705 KNSB competitie 2024-2025 Klasse 5 ronde 6 · Saturday 8 March 2025
GOUMA, R. (RONALD) 1930
10496 KNSB competitie 2024-2025 Klasse 5 ronde 5 · Saturday 8 February 2025
SLISSER, T. (THEO) 1906
8102 SOS Competitie 2023/2024 Mei 2024 · Friday 24 May 2024
WEISE, D. (DANIEL) 1893
9647 SOS Competitie 2024/2025 2024-10 · Friday 18 October 2024
Worst losses
VORONAYA, EVA 1673
Open Menorca 2024 · Saturday 6 April 2024
WALLACE, M. (MITCHEL) 1748
7385 59e Vierkampentoernooi van Moira-Domtoren Groep A · Friday 29 September 2023
BERGER, LARS 1772
Open Menorca 2024 · Saturday 6 April 2024
HEERES, F.C. (FELIX) 1784
11275 MuConsult Open Apeldoorns Rapid­kampioen­schap Groep B · Saturday 17 May 2025
KALMIJN, T.F. (TOM) 1792
12776 SOS competitie 2025/2026 Lijst 1 apr · Friday 20 March 2026
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +2–0=1 +19.1
Chessfestival Groningen Vierkampen Groep A Monday 22 December 2025 +0–2=1 -17.8
Tata Steel Chess Tournament 2025 Weekendvierkampen Friday 17 January 2025 +1–1=1 -5.4
Tata Steel Chess Tournament 2024 Weekendvierkampen Friday 12 January 2024 +2–1=0 +17.1
Tata Steel Chess Tournament 2023 Weekendvierkampen Friday 13 January 2023 +2–0=1 +38.0
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +0–1=0 -5.1
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +0–1=0 -11.8
61e Vierkampentoernooi van Moira-Domtoren Groep A Friday 19 September 2025 +0–3=0 -38.5
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–1=0 -12.7
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–1=0 -7.7
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–0=1 -3.1
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -3.7
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–1=0 -11.5
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–1=0 -6.1
De Volewijckers Weekendvierkamp 2025 Groep 4 Friday 4 July 2025 +1–2=0 -15.2
MuConsult Open Apeldoorns Rapid­kampioen­schap Groep B Saturday 17 May 2025 +3–4=0 -32.1
60e Vierkampentoernooi van Moira-Domtoren Groep A Friday 27 September 2024 +2–1=0 +19.9
KNSB competitie 2024-2025 Klasse 5 ronde 7 Saturday 21 September 2024 +1–0=0 +5.4
KNSB competitie 2024-2025 Klasse 5 ronde 6 Saturday 21 September 2024 +1–0=0 +15.3
KNSB competitie 2024-2025 Klasse 5 ronde 5 Saturday 21 September 2024 +1–0=0 +13.8
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +0–0=1 +0.8
KNSB competitie 2024-2025 Klasse 5 ronde 3 Saturday 21 September 2024 +0–0=1 +0.6
KNSB competitie 2024-2025 Klasse 5 ronde 2 Saturday 21 September 2024 +1–0=0 +7.8
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–1=0 -10.9
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +0–1=0 -11.6
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–1=0 -7.1
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +1–0=0 +10.4
SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +0–1=0 -15.6
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +1–0=0 +8.7
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +1–1=0 +2.4
Volewijckers vierkampentoernooi 2024 groep E Friday 5 July 2024 +1–0=2 +13.1
Open Menorca 2024 Tuesday 2 April 2024 +1–7=0 -64.8
59e Vierkampentoernooi van Moira-Domtoren Groep A Friday 22 September 2023 +2–1=0 +17.3
KNSB competitie 2023-2024 Klasse 5 ronde 7 Saturday 16 September 2023 +1–0=0 +19.1
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +0–1=0 -14.3
KNSB competitie 2023-2024 Klasse 5 ronde 4 Saturday 16 September 2023 +1–0=0 +15.8
KNSB competitie 2023-2024 Klasse 5 ronde 3 Saturday 16 September 2023 +0–1=0 -9.8
KNSB competitie 2023-2024 Klasse 5 ronde 1 Saturday 16 September 2023 +0–0=1 +2.3
SOS Competitie 2023/2024 Mei 2024 Friday 1 September 2023 +1–0=0 +13.6
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +0–1=0 -15.4
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +0–0=1 +6.7
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +1–0=0 +18.1
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +1–0=0 +19.2
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–0=1 +3.1
SOS Competitie 2023/2024 September 2023 Friday 1 September 2023 +0–1=0 -9.9
Reykjavik Open 2023 Wednesday 29 March 2023 +3–3=1 -8.4
KNSB competitie 2022-2023 Klasse 5 ronde 4 Saturday 17 September 2022 +1–0=0 +22.9
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0 +10.7
SOS Competitie 2022/2023 April 2023(K1) Monday 12 September 2022 +1–0=0 +7.3
SOS Competitie 2022/2023 Maart 2023(K1) Monday 12 September 2022 +1–0=0 +13.8
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–0=1 -7.1
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +1–0=0 +2.4

Rating History

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Peak Ratings

Classic 1910 May 1, 2025
Rapid 1878 June 1, 2025
Blitz 1797 March 1, 2026

Games

Wins 37
Losses 41
Draws 14
Win Rate 40%

Performance by Color

Color Wins Draws Losses Win Rate
White 19 5 22 41%
Black 18 9 19 39%

Recent Matches

Kalmijn, T.F. (Tom) (1792) Friday 20 March 2026 LOSS -12.7
Eijk van der, D. (Dick) (2045) Saturday 7 February 2026 LOSS -5.1
Harmsen, M.E.N. (Melvin) (1955) Wednesday 4 February 2026 LOSS -7.7
Huften, T.A. (Thomas) (1708) Friday 23 January 2026 DRAW -3.1
Harlin, Patrick (1783) Sunday 18 January 2026 WIN +12.0
Kumar, D. (Dhruv) (1782) Saturday 17 January 2026 DRAW -0.3
Vledder, A.J.W. (Aad) (1646) Friday 16 January 2026 WIN +7.4
Zhou, Y. (Yanyang) (1867) Wednesday 24 December 2025 LOSS -5.6
Rabbers, L.H.D. (Daniel) (1845) Tuesday 23 December 2025 DRAW +0.6
Houtsma, S.H. (Sybrand) (1818) Monday 22 December 2025 LOSS -12.9
Sterrenburg, K. (Kees) (1848) Saturday 13 December 2025 LOSS -11.8
CM Apeldoorn van, J.A. (Janton) (2136) Friday 28 November 2025 LOSS -3.7
Stok, M.P.G. (Mattias) (1868) Tuesday 4 November 2025 LOSS -11.5
Oosterlaken, E. (Ed) (2082) Friday 10 October 2025 LOSS -6.1
Wallace, G. (Gavin) (1879) Friday 26 September 2025 LOSS -12.7
Dreu de, D. (Dies) (1873) Monday 22 September 2025 LOSS -12.9
Vreeken, C.N. (Kees) (1870) Friday 19 September 2025 LOSS -13.0
Waersegers, B.E. (Brent) (1863) Saturday 5 July 2025 LOSS -13.8
Nijenhuis, W. (Wim) (1897) Saturday 5 July 2025 LOSS -12.6
Deenen van, M. (Michiel) (1859) Friday 4 July 2025 WIN +11.1