KNSB FIDE
RW

Roland Wastiaux

Rated since January 2023

1842 Classic
1954 Rapid
1827 Blitz

RIVALRY

Nemesis
Slooten van, R. (Rob)
Games: 3 · Win rate: 67%
Easy Target
Steensma, F. (Frank)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
ALDENBERG, H. (HENDRIK) 1945
12265 KNSB competitie 2025-2026 Klasse 5 ronde 2 · Saturday 1 November 2025
DEKKER, C.C. (CASPER) 1922
13957 S.V. EsPion interne competitie 15-06-2026 t/m 06-08-2026 (080015) · Monday 8 June 2026
PELLEBOER, P. (PIETER) 1906
14213 S.V. EsPion interne competitie 03-08-2026 t/m 24-08-2026 (080015) · Monday 24 August 2026
VELDEN VAN, R. (RUDOLF) 1881
13135 S.V. EsPion interne competitie 11-05-2026 t/m 25-05-2026 (080015) · Monday 25 May 2026
HUMERCZYK, H.H. (HUBERT) 1842
14154 S.V. EsPion interne competitie 06-07-2026 t/m 27-07-2026 (080015) · Monday 27 July 2026
Worst losses
MERKUL, E. (EUGEN) 1660
11862 S.V. EsPion interne competitie 01-12-2025 t/m 22-12-2025 (080015) · Monday 1 December 2025
LINDE VAN DER, L. (LARS) 1769
13652 DecaChess Groep C · Sunday 12 April 2026
TIMMERMAN, J.T.J. (JAN) 1776
11743 SGA Veteranen rapid Groep A · Wednesday 19 November 2025
SNOEP, J. (JAAP) 1783
11743 SGA Veteranen rapid Groep A · Wednesday 19 November 2025
LANKVELD VAN, K.J.A. (KOEN) 1826
13748 Amsterdam Chess Festival 2026 + NK Studenten Klassiek Groep B · Monday 13 July 2026
Amsterdam Chess Festival 2026 + NK Studenten Klassiek Groep B Saturday 11 July 2026 +0–4=4 -49.6
51 Abierto Internacional Ciudad de Sevilla 2026 Friday 9 January 2026 +3–5=1 -29.0
S.V. EsPion interne competitie 14-09-2026 t/m 28-09-2026 (080015) Monday 14 September 2026 +1–0=0 +5.2
S.V. EsPion interne competitie 31-08-2026 t/m 31-08-2026 (080015) Monday 8 June 2026 +3–0=0 +21.6
S.V. EsPion interne competitie 03-08-2026 t/m 24-08-2026 (080015) Monday 8 June 2026 +10–1=0 +49.0
S.V. EsPion interne competitie 06-07-2026 t/m 27-07-2026 (080015) Monday 8 June 2026 +4–2=0 +15.2
S.V. EsPion interne competitie 15-06-2026 t/m 06-08-2026 (080015) Monday 8 June 2026 +1–2=0 +0.8
DecaChess Groep C Sunday 12 April 2026 +6–1=2 +33.0
S.V. EsPion interne competitie 11-05-2026 t/m 25-05-2026 (080015) Monday 2 February 2026 +1–1=0 +11.3
S.V. EsPion interne competitie 31-03-2026 t/m 20-04-2026 (080015) Monday 2 February 2026 +3–0=0 +30.9
S.V. EsPion interne competitie 02-03-2026 t/m 23-03-2026 (080015) Monday 2 February 2026 +1–2=0 -3.2
S.V. EsPion interne competitie 02-02-2026 t/m 23-02-2026 (080015) Monday 2 February 2026 +3–1=0 +9.0
SGA Veteranen rapid Groep A Wednesday 19 November 2025 +3–4=0 -18.0
18. Wormser Nibelungenopen B-Turnier Thursday 2 October 2025 +4–1=2 +12.3
SGA Competitie 2025-2026 2e Klasse A ronde 7 Wednesday 1 October 2025 +1–0=0 +5.1
SGA Competitie 2025-2026 2e Klasse A ronde 6 Wednesday 1 October 2025 +1–0=0 +12.6
SGA Competitie 2025-2026 2e Klasse A ronde 4 en 5 Wednesday 1 October 2025 +0–1=0 -12.3
SGA Competitie 2025-2026 2e Klasse A ronde 4 Wednesday 1 October 2025 +1–0=0 +8.2
SGA Competitie 2025-2026 2e Klasse A ronde 1 en 3 Wednesday 1 October 2025 +0–0=1 +0.5
SGA Competitie 2025-2026 2e Klasse A ronde 2 Wednesday 1 October 2025 +0–0=1 +4.3
S.V. EsPion interne competitie 05-01-2026 t/m 26-01-2026 (080015) Monday 22 September 2025 +0–1=0 -7.0
S.V. EsPion interne competitie 01-12-2025 t/m 22-12-2025 (080015) Monday 22 September 2025 +2–1=0 -5.2
S.V. EsPion interne competitie 03-11-2025 t/m 24-11-2025 (080015) Monday 22 September 2025 +1–1=2 -1.6
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +1–0=0 +9.7
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +1–0=0 +16.6

Team Competition

Current teams
EsPion 1
Klasse 5G · 2025-2026 · 2 games
EsPion 2
2e Klasse A · 2025-2026 · 7 games
Past teams
EsPion 1
2e Klasse A · 2024-2025
EsPion 1
Klasse 5F · 2024-2025
EsPion 2
2e Klasse B · 2024-2025
EsPion
Zilveren Beker · 2023-2024
EsPion 1
Klasse 5G · 2023-2024
EsPion 1
1e Klasse A · 2023-2024
EsPion 1
Klasse 5D · 2021-2022

Rating History

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Peak Ratings

Classic 1916 April 1, 2025
Rapid 1954 Oct. 1, 2026
Blitz 1833 March 1, 2026

Games

Wins 51
Losses 28
Draws 13
Win Rate 55%

Performance by Color

Color Wins Draws Losses Win Rate
White 25 7 14 54%
Black 26 6 14 57%

Recent Matches

Koolstra, J.R. (Jan) (1605) Monday 14 September 2026 WIN +5.2
Slooten van, R. (Rob) (1710) Monday 31 August 2026 WIN +6.8
Koolstra, J. (Jacques) (1691) Monday 31 August 2026 WIN +6.3
Steensma, F. (Frank) (1766) Monday 31 August 2026 WIN +8.5
Pelleboer, P. (Pieter) (1906) Monday 24 August 2026 WIN +13.3
Stokman, L.N. (Lennart) (1691) Monday 24 August 2026 WIN +6.3
Kerkhoff, F.C. (Frans) (1603) Monday 24 August 2026 WIN +4.1
Eijk van der, D. (Dick) (2041) Monday 17 August 2026 LOSS -7.3
Dernier, R.P. (Raymond) (1769) Monday 17 August 2026 WIN +8.6
Bezemer, C. (Casper) (1481) Monday 17 August 2026 WIN +2.0
Heima, H.J.M. (Henny) (1679) Monday 10 August 2026 WIN +5.9
Rijn van, A. (André) (1641) Monday 10 August 2026 WIN +5.0
Slooten van, R. (Rob) (1710) Monday 3 August 2026 WIN +6.8
Vaassen, M. (Mick) (1445) Monday 3 August 2026 WIN +1.6
Kips, D. (David) (1527) Monday 3 August 2026 WIN +2.7
Wieringa, E.A. (Ric) (1743) Monday 27 July 2026 WIN +8.3
Ran, M. (Mart) (1805) Monday 27 July 2026 WIN +10.4
Humerczyk, H.H. (Hubert) (1842) Monday 27 July 2026 WIN +11.6
Huijser, L.J. (Leon) (1883) Monday 20 July 2026 LOSS -11.9
Alexandrov, M. (Matvey) (1918) Monday 20 July 2026 LOSS -10.7