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Gerard Oskam
Number of games in database: 139
Years covered: 1900 to 1951

Overall record: +31 -63 =34 (37.5%)*
   * Overall winning percentage = (wins+draws/2) / total games in the database. 11 exhibition games, blitz/rapid, odds games, etc. are excluded from this statistic.

With the White pieces:
 Vienna Opening (11) 
    C29 C25 C28
 Queen's Pawn Game (11) 
    D00 A46
 Sicilian (7) 
    B38 B40 B20 B23 B33
 French Defense (5) 
    C01 C00
 Ruy Lopez (5) 
    C67 C80 C77 C90
 King's Gambit Declined (4) 
    C31 C30
With the Black pieces:
 Ruy Lopez (12) 
    C80 C67 C63 C61 C60
 Alekhine's Defense (6) 
    B03 B02
 French Defense (6) 
    C13 C11 C01
 Petrov (5) 
    C42 C43
 Four Knights (5) 
    C49 C48
 French (5) 
    C13 C11
Repertoire Explorer

NOTABLE GAMES: [what is this?]
   G Oskam vs Euwe, 1919 1-0
   G Oskam vs Grosjean, 1930 1-0
   Maroczy vs G Oskam, 1923 0-1
   B Leussen vs G Oskam, 1905 1/2-1/2

NOTABLE TOURNAMENTS: [what is this?]
   Scheveningen (1905)

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(born Apr-12-1880, died May-07-1952, 72 years old) Netherlands

[what is this?]
Also known as Ezel, see Erelid / Ezel. He was unofficial Dutch champion in 1900.

Wikipedia article: Gerard Oskam

 page 1 of 6; games 1-25 of 139  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. G Oskam vs A Coenen  1-0331900The HagueC25 Vienna
2. Creyghton vs G Oskam  1-0421903HilversumB32 Sicilian
3. Loman vs G Oskam  ½-½291903Blindfold simul, 8bC42 Petrov Defense
4. G Oskam vs H J den Hertog  0-1191904LeeuwardenC29 Vienna Gambit
5. K Geus vs G Oskam  1-0321905Easter TournamentD32 Queen's Gambit Declined, Tarrasch
6. G Oskam vs Loman  0-1281905ScheveningenC44 King's Pawn Game
7. G Oskam vs D Bleijkmans  0-1431905ScheveningenC30 King's Gambit Declined
8. Marshall vs G Oskam 1-0261905ScheveningenD32 Queen's Gambit Declined, Tarrasch
9. G Oskam vs Reggio  ½-½641905ScheveningenC29 Vienna Gambit
10. G Schories vs G Oskam  1-0311905ScheveningenB34 Sicilian, Accelerated Fianchetto
11. Swiderski vs G Oskam  1-0271905ScheveningenD11 Queen's Gambit Declined Slav
12. G Oskam vs Spielmann  1-0411905ScheveningenC44 King's Pawn Game
13. G Oskam vs C Trimborn  0-1481905ScheveningenD51 Queen's Gambit Declined
14. Duras vs G Oskam  1-0261905ScheveningenC65 Ruy Lopez, Berlin Defense
15. G Oskam vs J Esser  0-1181905ScheveningenC54 Giuoco Piano
16. J W te Kolste vs G Oskam  0-1681905ScheveningenC82 Ruy Lopez, Open
17. G Oskam vs Leonhardt  ½-½321905ScheveningenC67 Ruy Lopez
18. B Leussen vs G Oskam  ½-½331905ScheveningenD32 Queen's Gambit Declined, Tarrasch
19. G Oskam vs Rubinstein  0-1631906OstendC01 French, Exchange
20. K Susholz vs G Oskam  ½-½181907R.S. - D.S.C63 Ruy Lopez, Schliemann Defense
21. J W te Kolste vs G Oskam 1-0231907AmsterdamC87 Ruy Lopez
22. J W te Kolste vs G Oskam  1-0471907UtrechtC80 Ruy Lopez, Open
23. G Oskam vs J Esser  0-1471908NSB HoofdklasseC25 Vienna
24. Lasker vs G Oskam 1-0201908Simul, 25bC21 Center Game
25. Lasker vs G Oskam 0-1351908Simul, 25bC78 Ruy Lopez
 page 1 of 6; games 1-25 of 139  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Oskam wins | Oskam loses  

Kibitzer's Corner
Sep-24-10  Eastfrisian: There is an article on Wikipedia:
Dec-29-10  Sem: There is the story of the great Akiba Rubinstein who when in Rotterdam got on the street car, saying to the conductor: 'I have to go to Oskam'. He was convinced that the man would know where this wellknown chess master would live.
Premium Chessgames Member
  GrahamClayton: Oskam played under the pseudonym "Ezel" in the 1918 Arnheim Hauptturnier A tournament. Does anyone know why he did this?
Jan-18-13  achieve: Maybe just for fun?

Do you know what "ezel" means in dutch?

Premium Chessgames Member
  perfidious: <achieve> Is 'ezel' the Dutch equivalent of the German 'Esel' (donkey)?
Mar-29-14  achieve: <perfidious> That is correct, yes -- the saying in Dutch goes like:

Hij is echt zo dom als een ezel = he really is as dumb as ...

But another saying, Een ezel stoot zich nooit tweemaal aan dezelfde steen, translates to: not making the same mistake twice...

So for obvious reasons it in fact is quite well chosen, ezel, as a pseudonym, and kinda witty, clever. ;)

Premium Chessgames Member
  Gejewe: Ezel has a second meaning, that is easel (of a painter). But donkey seems to be more appropriate in this context. Out of selfpity you often hear "Wat ben ik toch een ezel", of which I think you can guess the literal meaning ("what a donkey I am ", wondering about ones own stupidity)
Mar-29-14  achieve: I think the English phrase is:

"[I'm] as dumb as a mule."

This one's funny:

oliedom (very dumb, used to be often used in dutch) = oily dumb / dumb as oil

May-15-14  PJs Studio: In the US people accuse themselves of stupidity in a plethora of ways "I'm such a dumbass" being far more common than "...dumb as a mule". Well, in the Northeast anyway ;)
Apr-12-15  sneaky pete: A caricature of Oskam dating from 1942:

The artist may be (I can't read the text at the bottom) Anton Constandse, a Dutch anarchist and journalist. I found this great picture in reminiscences of Constandse, published in the magazine <De Gids> in 1979. In 1933 Oskam, who was a lawyer, had defended Constandse against a charge of blasphemy. Some 10 years later the two men met again in the prisoners camp St. Michielsgestel, where Dutch citizens of some importance were kept hostage by the occupying forces.

In St. Michielsgestel, in 1944, Oskam made a Dutch translation of Botvinnik's Choice of my best games (1926-1936) from the Russian original Izbrannije partii (1926-1936).

He also translated (from the Russian) A.O. Herbstman, The chess study in our days, and R.M. Kofman, The logical school in the chess problem.

Apr-12-15  Stonehenge: <I can't read the text at the bottom>

Ruwenberg (, the date is 31-01-43, I believe,

R Claproth, see

Apr-12-15  Stonehenge: Claproth was from the Dutch East Indies and arrived in The Hague in 1939:

Apr-12-15  sneaky pete: <Stonehenge> Thank you, you're right. The reproduction in <De Gids> is erroneously captioned Beekvliet, 1942. See (and read, very interesting stuff)

Many among the first batch of hostages were government officials on leave from the colonies, to safeguard - or revenge - the German citizens locked up there. Later hostages included the former minister of justice J. Donner, the father of the anti-blasphemy law that was rigged up to get Constandse in trouble, and also the father of you know who, the greatest blasphemist of all, and Evert Straat, a fitting chess partner for Oskam.

Apr-13-15  Stonehenge: Very interesting indeed.

Photo of Claproth:

I think he played a role in the formation of the State of East Indonesia (

Premium Chessgames Member
  TheFocus: Oskam's Razor?
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