Name:: Jon Halfdanarson
Federation:: Iceland
Sex:: Male
Born:: 1947
FIDE ID:: 2301830 FIDE Profile
ELO Classic:: 2116
ELO Blitz:: 2066
Years:: 1965 - 2005
Total Games:: 85
Wins:: 30 (35.29 %)
Draws:: 18 (21.18 %)
Losses:: 37 (43.53 %)
Score:: 45.88 %

Repertoire with white pieces Repertoire with black pieces

Jon Halfdanarson

Last tournaments played

Tournament	Date	Elo Avg.	Country
ISL-chT 0405	11/19/2004	1766	Iceland
ISL-chT 0001	11/17/2000	1600	Iceland
Bundesliga 8384	10/??/1983	1440	Germany
Bundesliga 8081	10/??/1980	1203	Germany

Most Played Openings as White

ECO	Opening	Games
A32	English, symmetrical variation	2 games
A07	Reti, King's Indian attack (Barcza system)	2 games
D36	Queen's Gambit Declined, exchange, positional line, 6.Qc2	1 games
D07	Queen's Gambit Declined, Chigorin defence	1 games

Most Played Openings as Black

ECO	Opening	Games
D35	Queen's Gambit Declined, 3...Nf6	3 games
C77	Ruy Lopez, Morphy defence	2 games
C04	French, Tarrasch, Guimard main line	2 games
D60	Queen's Gambit Declined, Orthodox defence	1 games

Games played by Jon Halfdanarson

White	Elo	Black	Elo	Result	Moves	ECO	Year	Tournament	Moves
Valtysson, T	2201	Halfdanarson, J		½-½	29	D60	2005	ISL-chT 0405
D602005ISL-chT 0405
Halfdanarson, J		Thorsteinsson, T	2283	½-½	25	D36	2005	ISL-chT 0405
D362005ISL-chT 0405
Sigurjonsson, J	2224	Halfdanarson, J		½-½	30	C04	2004	ISL-chT 0405
C042004ISL-chT 0405
Bjornsson, S	2339	Halfdanarson, J		0-1	40	C18	2004	ISL-chT 0405
C182004ISL-chT 0405
Oral, T	2555	Halfdanarson, J		1-0	48	C04	2001	ISL-chT 0001
C042001ISL-chT 0001
Sigurdsson, S		Halfdanarson, J		0-1	38	D35	2001	ISL-chT 0001
D352001ISL-chT 0001
Haakert, J	2305	Halfdanarson, J		0-1	33	A07	1983	Bundesliga 8384
A071983Bundesliga 8384
Halfdanarson, J		Treppner, G	2345	0-1	30	A41	1983	Bundesliga 8384
A411983Bundesliga 8384
Hecht, H	2475	Halfdanarson, J		1-0	39	A12	1981	Bundesliga 8081
A121981Bundesliga 8081
Halfdanarson, J		Huelsmann, J		½-½	52	C02	1981	Bundesliga 8081
C021981Bundesliga 8081
Halfdanarson, J		Dankert, P	2260	1-0	39	D34	1978	GER-N chT 7778
D341978GER-N chT 7778
Nippgen, G		Halfdanarson, J		1-0	32	A34	1978	GER-chT fin
A341978GER-chT fin
Halfdanarson, J		Kestler, H	2405	0-1	35	A53	1978	GER-chT fin
A531978GER-chT fin
Halfdanarson, J		Mohrlok, D		0-1	44	A46	1978	GER-chT fin
A461978GER-chT fin
Rhodin, C		Halfdanarson, J		0-1	37	C16	1977	GER-N chT 7778
C161977GER-N chT 7778
Jacoby, G		Halfdanarson, J		0-1	45	A01	1976	GER-N chT 7576
A011976GER-N chT 7576
Liverios, T		Halfdanarson, J		½-½			1970	WchT U26 17th
1970WchT U26 17th
Nykopp, M		Halfdanarson, J		0-1	36	D61	1970	WchT U26 17th
D611970WchT U26 17th
Halfdanarson, J		Liljedahl, L		1-0	46	B03	1970	WchT U26 17th
B031970WchT U26 17th
Bleiman, Y		Halfdanarson, J		1-0	28	A56	1970	WchT U26 17th
A561970WchT U26 17th
Maeder, K		Halfdanarson, J		1-0	43	C98	1970	WchT U26 17th
C981970WchT U26 17th
Halfdanarson, J		Wright, D		½-½	35	E24	1970	WchT U26 17th
E241970WchT U26 17th
Soltis, A		Halfdanarson, J		1-0	34	C85	1970	WchT U26 17th
C851970WchT U26 17th
Halfdanarson, J		Kende, R		1-0	27	D80	1970	WchT U26 17th
D801970WchT U26 17th
Glauser, H		Halfdanarson, J		½-½	33	C88	1970	WchT U26 17th
C881970WchT U26 17th
Gudmundsson, A		Halfdanarson, J		1-0	39	D04	1969	ISL-ch
D041969ISL-ch
Jonsson, H		Halfdanarson, J		½-½	84	E94	1969	ISL-ch
E941969ISL-ch
Thorbergsson, F		Halfdanarson, J		0-1	38	A86	1969	ISL-ch
A861969ISL-ch
Halfdanarson, J		Kristinsson, J		½-½	26	E18	1969	ISL-ch
E181969ISL-ch
Thorsteinsson, B		Halfdanarson, J		½-½	62	C09	1969	ISL-ch
C091969ISL-ch
Sigurjonsson, J		Halfdanarson, J		0-1	32	E87	1969	ISL-ch
E871969ISL-ch
Halfdanarson, J		Sigurjonsson, B		0-1	32	D78	1969	ISL-ch
D781969ISL-ch
Halfdanarson, J		Olafsson, F		½-½	41	A42	1969	ISL-ch
A421969ISL-ch
Halfdanarson, J		Sigurjonsson, G		0-1	53	A79	1969	ISL-ch
A791969ISL-ch
Halfdanarson, J		Angantysson, H		½-½	20	D82	1969	ISL-ch
D821969ISL-ch
Halfdanarson, J		Jonsson, J		1-0	28	B06	1969	ISL-ch
B061969ISL-ch
Farago, I		Halfdanarson, J		1-0	28	E90	1969	WchT U26 fin-B 16th
E901969WchT U26 fin-B 16th
Halfdanarson, J		Aijala, J		1-0	33	A59	1969	WchT U26 fin-B 16th
A591969WchT U26 fin-B 16th
Hernandez, R		Halfdanarson, J		1-0	35	A73	1969	WchT U26 fin-B 16th
A731969WchT U26 fin-B 16th
Halfdanarson, J		Marat, A		0-1	26	A07	1969	WchT U26 fin-B 16th
A071969WchT U26 fin-B 16th