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Willem Koomen
Number of games in database: 32
Years covered: 1936 to 1946
Overall record: +10 -17 =5 (39.1%)*
   * Overall winning percentage = (wins+draws/2) / total games.

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Most played openings
D50 Queen's Gambit Declined (3 games)
D31 Queen's Gambit Declined (2 games)
D63 Queen's Gambit Declined, Orthodox Defense (2 games)
D55 Queen's Gambit Declined (2 games)
C53 Giuoco Piano (2 games)
C58 Two Knights (2 games)
D22 Queen's Gambit Accepted (2 games)
E33 Nimzo-Indian, Classical (2 games)
D49 Queen's Gambit Declined Semi-Slav, Meran (2 games)

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(born Apr-26-1909, died 1989, 80 years old) Netherlands

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In January of 1940, he married Fenny Heemskerk.

 page 1 of 2; games 1-25 of 32  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. Bary vs W Koomen  0-1231936non-FIDE Munich OlympiadC53 Giuoco Piano
2. W Koomen vs H Max 0-1261936non-FIDE Munich OlympiadD63 Queen's Gambit Declined, Orthodox Defense
3. Mecenas Magno da Cruz vs W Koomen  0-1371936non-FIDE Munich OlympiadE17 Queen's Indian
4. W Koomen vs C Staldi  0-1311936non-FIDE Munich OlympiadD68 Queen's Gambit Declined, Orthodox Defense, Classical
5. W Koomen vs H Kramer  ½-½431939MatchE33 Nimzo-Indian, Classical
6. W Koomen vs H Kramer  1-0481939MatchD55 Queen's Gambit Declined
7. W Koomen vs H Kramer  ½-½401939MatchD49 Queen's Gambit Declined Semi-Slav, Meran
8. H Kramer vs W Koomen  1-0301939MatchC53 Giuoco Piano
9. E Sapira vs W Koomen  0-1241939BEL-NEDA15 English
10. W Koomen vs Kmoch  0-1421941Baarn IE36 Nimzo-Indian, Classical
11. H Kramer vs W Koomen  1-0351941Baarn ID31 Queen's Gambit Declined
12. W Koomen vs J van den Bosch  ½-½441941Baarn ID55 Queen's Gambit Declined
13. Euwe vs W Koomen  1-0401941Baarn IC78 Ruy Lopez
14. W Koomen vs G van Doesburgh  1-0441941Baarn ID63 Queen's Gambit Declined, Orthodox Defense
15. W Koomen vs T de Jong  1-0301941Baarn IE37 Nimzo-Indian, Classical
16. K M Bergsma vs W Koomen  1-0411941Baarn ID31 Queen's Gambit Declined
17. W Koomen vs N Cortlever  ½-½371946HoogovensD80 Grunfeld
18. H van Steenis vs W Koomen 1-0331946HoogovensC58 Two Knights
19. T van den Tol vs W Koomen  1-0541946HoogovensD44 Queen's Gambit Declined Semi-Slav
20. W Koomen vs A D de Groot  1-0511946HoogovensD95 Grunfeld
21. C Vlagsma vs W Koomen  1-0331946HoogovensD49 Queen's Gambit Declined Semi-Slav, Meran
22. O'Kelly vs W Koomen 1-0391946HoogovensE20 Nimzo-Indian
23. T D van Scheltinga vs W Koomen  1-0441946HoogovensC58 Two Knights
24. W Koomen vs H Kramer  1-0411946HoogovensE33 Nimzo-Indian, Classical
25. W Koomen vs Stoltz  1-0431946HoogovensD32 Queen's Gambit Declined, Tarrasch
 page 1 of 2; games 1-25 of 32  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Koomen wins | Koomen loses  

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