KNSB FIDE
OE

Olaf Ephraim

Rated since January 2023

1957 Classic
1936 Rapid
1956 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BUTZEN, R. (ROBIN) 2146
13235 HWP Inholland Weekendtoernooi Groep A · Saturday 27 June 2026
NIET DE, G.M. (GERT-MICHIEL) 2045
13247 KNSB competitie 2025-2026 Klasse 4 ronde 8 · Saturday 7 March 2026
CRUYFF, R. (RAF) 1952
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Sunday 19 July 2026
LEE, J.M. (JUNG MIN) 1950
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Friday 17 July 2026
Worst losses
VALSTAR, J.M. (JASPER) 1878
12409 KNSB competitie 2025-2026 Klasse 4 Ronde 4 · Saturday 22 November 2025
MURALI, R. (RISHIADITHYA) 1932
13747 Amsterdam Chess Festival Weekendvierkampen 2026 Groep A · Saturday 18 July 2026
SCHOEN, H.A. (HUBERT) 1963
12757 16e Karel Kuip Vierkampen 2026 Groep A · Friday 17 April 2026
HAKVOORT, E.T. (ELCO) 2018
13528 KNSB competitie 2025-2026 Klasse 4 ronde 9 · Saturday 11 April 2026
EIJK VAN DER, D. (DICK) 2025
12484 SGA Competitie 2025-2026 2e Klasse A ronde 2 · Tuesday 11 November 2025
HWP Inholland Weekendtoernooi Groep A Saturday 27 June 2026 +1–2=0 +10.8
Amsterdam Chess Festival Weekendvierkampen 2026 Groep A Friday 17 July 2026 +2–1=0 +12.6
16e Karel Kuip Vierkampen 2026 Groep A Friday 17 April 2026 +0–1=2 -12.8
SGA Competitie 2025-2026 2e Klasse A ronde 2 Wednesday 1 October 2025 +0–1=0 -10.3
KNSB competitie 2025-2026 Klasse 4 ronde 9 Saturday 20 September 2025 +0–1=0 -10.4
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–0=1 -0.7
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +1–0=0 +16.1
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–0=1 +5.4
KNSB competitie 2025-2026 Klasse 4 Ronde 4 Saturday 20 September 2025 +0–1=0 -15.3
KNSB competitie 2025-2026 Klasse 4 ronde 3 Saturday 20 September 2025 +0–0=1 +1.9

Team Competition

Current teams
Caissa 3
Klasse 4E · 2025-2026 · 8 games
Caissa 3
2e Klasse A · 2025-2026 · 1 game
Past teams
Caissa 3
Klasse 4D · 2024-2025
Caissa 3
Klasse 3C · 2023-2024
Caissa 3
Klasse 4E · 2022-2023
Caissa 4
Klasse 5D · 2021-2022

Rating History

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Peak Ratings

Classic 1980 June 1, 2025
Rapid 1936 June 1, 2025
Blitz 1956 May 1, 2026

Games

Wins 4
Losses 7
Draws 5
Win Rate 25%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 3 2 38%
Black 1 2 5 12%

Recent Matches

Cruyff, R. (Raf) (1952) Sunday 19 July 2026 WIN +12.8
Murali, R. (Rishiadithya) (1932) Saturday 18 July 2026 LOSS -12.9
Lee, J.M. (Jung Min) (1950) Friday 17 July 2026 WIN +12.7
Schilstra, L. (Laurens) (2213) Sunday 28 June 2026 LOSS -4.1
Kleibeuker, M.D. (Mika) (2198) Saturday 27 June 2026 LOSS -4.4
Butzen, R. (Robin) (2146) Saturday 27 June 2026 WIN +19.3
Verhoeff, T.J. (Timardi) (1931) Saturday 18 April 2026 DRAW -0.9
Schaefer, M. (Menno) (1966) Saturday 18 April 2026 DRAW +0.4
Schoen, H.A. (Hubert) (1963) Friday 17 April 2026 LOSS -12.3
Hakvoort, E.T. (Elco) (2018) Saturday 11 April 2026 LOSS -10.4
Lust, E. (Erik) (1922) Saturday 28 March 2026 DRAW -0.7
Niet de, G.M. (Gert-Michiel) (2045) Saturday 7 March 2026 WIN +16.1
Go, B. (Benjamin) (2100) Saturday 7 February 2026 DRAW +5.4
Valstar, J.M. (Jasper) (1878) Saturday 22 November 2025 LOSS -15.3
Eijk van der, D. (Dick) (2025) Tuesday 11 November 2025 LOSS -10.3
Dam, T. (Thijs) (2014) Saturday 1 November 2025 DRAW +1.9