
Name:	Willem Koomen
Federation:
Years:	1936 - 1946
Total Games:	36
Wins:	10 (27.78 %)
Draws:	6 (16.67 %)
Losses:	20 (55.56 %)
Score:	36.11 %

Repertoire with
white pieces

Repertoire with
black pieces

Willem Koomen

Last tournaments played

Tournament	Date	Elo Avg.	Country
Hoogovens	??/??/1946	0	Netherlands
Leiden-C	10/??/1946	0	Netherlands
Baarn	05/??/1941	0	Netherlands
Munich ol (Men)	08/16/1936	0	Germany

Most Played Openings as White

ECO	Opening	Games
D95	Gruenfeld with e3 & Qb3	2 games
E33	Nimzo-Indian, classical, 4...Nc6	1 games
D40	Queen's Gambit Declined, Semi-Tarrasch defence	1 games
D53	Queen's Gambit Declined, 4.Bg5 Be7	1 games

Most Played Openings as Black

ECO	Opening	Games
C58	two knights defence	2 games
D22	Queen's Gambit Accepted, Alekhine defence	2 games
A84	Dutch defence	2 games
D44	Queen's Gambit Declined semi-Slav, 5.Bg5 dc	1 games

Games played by Willem Koomen

White	ELO W	Black	ELO B	Result	Moves	ECO	Date	Tournament	View
Koomen, W		Cortlever, N		½-½	37	D95	1946	Hoogovens
Koomen, W		De Groot, A		1-0	51	D95	1946	Hoogovens
Van Scheltinga, T		Koomen, W		1-0	44	C58	1946	Hoogovens
O'Kelly de Galway, A		Koomen, W		1-0	39	E20	1946	Hoogovens
Vlagsma, C		Koomen, W		1-0	33	D49	1946	Hoogovens
Van den Tol, T		Koomen, W		1-0	54	D44	1946	Hoogovens
Van Steenis, H		Koomen, W		1-0	33	C58	1946	Hoogovens
Koomen, W		Stoltz, G		1-0	43	D40	1946	Hoogovens
Koomen, W		Kramer, H		1-0	41	E33	1946	Hoogovens
Koomen, W		Van Doesburgh, G		1-0	32	D60	1946	Leiden-C
Van Oosterwijk Bruyn, J		Koomen, W		1-0	32	D22	1946	Leiden-C
Koomen, W		Kramer, H		0-1	55	E16	1946	Leiden-C
Van den Bosch, J		Koomen, W		1-0	46	A80	1946	Leiden-C
Koomen, W		Sammelius, C		0-1	56	D36	1946	Leiden-C
Koomen, W		Been, J		½-½	54	D53	1946	Leiden-C
Tummers, L		Koomen, W		1-0	39	D22	1946	Leiden-C
Euwe, M		Koomen, W		1-0	40	C78	1941	Baarn
Kramer, H		Koomen, W		1-0	35	A84	1941	Baarn
Koomen, W		De Jong, T		1-0	30	E37	1941	Baarn
Koomen, W		Kmoch, H		0-1	42	E11	1941	Baarn
Koomen, W		Van Doesburgh, G		1-0	44	D63	1941	Baarn
Koomen, W		Van den Bosch, J		½-½	44	A85	1941	Baarn
Bergsma, K		Koomen, W		1-0	41	A84	1941	Baarn
Koomen, W		Staldi, C		0-1	31	D68	1936	Munich ol (Men)
Koomen, W		Max, H		0-1	26	D55	1936	Munich ol (Men)
Koomen, W		Veerkamp, J		0-1			1936	NED-ch09
Koomen, W		Cortlever, N		½-½			1936	NED-ch09
Koomen, W		Prins, L		0-1			1936	NED-ch09
Koomen, W		Landau, S		½-½			1936	NED-ch09
Blok, H		Koomen, W		1-0			1936	NED-ch09
Van Schelfhout, W		Koomen, W		0-1			1936	NED-ch09
Van Scheltinga, T		Koomen, W		½-½			1936	NED-ch09
Van Doesburgh, G		Koomen, W		1-0			1936	NED-ch09
Geyser, W		Koomen, W		0-1			1936	NED-ch09
Bary,		Koomen, W		0-1	23	C53	1936	Munich ol (Men)
Cruz, J		Koomen, W		0-1	37	E17	1936	Munich ol (Men)