
Name:	Jaco Koster
Federation:	United States
Sex:	Male
FIDE ID:	2015862 FIDE Profile
ELO Classic:	2074
Years:	1990 - 2003
Total Games:	8
Wins:	3 (37.5 %)
Draws:	2 (25 %)
Losses:	3 (37.5 %)
Score:	50 %

Repertoire with
white pieces

Repertoire with
black pieces

Jaco Koster

Last tournaments played

Tournament	Date	Elo Avg.	Country
Southend op	04/18/2003	1127	United Kingdom
Catania op 7th	08/10/1999	1762	Italy
Guernsey op	??/??/1990	262	Guernsey

Most Played Openings as White

ECO	Opening	Games
B20	Sicilian defence	1 games
B07	Pirc defence	1 games
C80	Ruy Lopez, open (Tarrasch) defence	1 games

Most Played Openings as Black

ECO	Opening	Games
A48	King's Indian, East Indian defence	1 games
D45	Queen's Gambit Declined semi-Slav, 5.e3	1 games
D46	Queen's Gambit Declined semi-Slav, 6.Bd3	1 games
D53	Queen's Gambit Declined, 4.Bg5 Be7	1 games

Games played by Jaco Koster

White	ELO W	Black	ELO B	Result	Moves	ECO	Date	Tournament	View
Koster, J	2128	Hawkins, J	2063	0-1	40	C80	2003	Southend op
Webster, R		Koster, J	2128	0-1	47	D46	2003	Southend op
Koster, J	2128	Evans, H		1-0	26	B07	2003	Southend op
Nelson, O	2069	Koster, J	2128	1-0	61	D45	2003	Southend op
Koster, J	2128	Seidel, J		1-0	32	B20	2003	Southend op
Ledger, S	2199	Koster, J	2128	1-0	36	A48	2003	Southend op
Naumkin, I	2489	Koster, J		½-½	27	D53	1999	Catania op 7th
Britton, R	2265	Koster, J		½-½	30	B08	1990	Guernsey op