22nd Chess Olympiad - Open Event

Forty-eight nations played 13 rounds. In the event of a draw, the tie-break was decided first by match points, then by using the Buchholz system.

Open event

#	Country	Players	Average rating	Points
1	United States	Byrne, Kavalek, Evans, Tarjan, Lombardy, Commons	2535	37
2	Netherlands	Timman, Sosonko, Donner, Ree, Ligterink, Kuijpers	2490	36½
3	England	Miles, Keene, Hartston, Stean, Mestel, Nunn	2463	35½

#	Country	Average rating	Points	MP	Buchholz
4	Argentina	2513	33
5	West Germany	2485	31
6	Israel	2490	29½
7	Switzerland	2391	29
8	Canada	2428	28½	15
9	Spain	2399	28½	12
10	Colombia	2365	28
11	Norway	2331	27½	16
12	Sweden	2453	27½	15	376.5
13	Italy	2385	27½	15	361.5
14	Wales	2355	27½	15	359.0
15	Paraguay	2216	27½	14
16	Chile	2356	27½	13	380.5
17	Australia	2390	27½	13	367.5
18	Austria	2405	27½	13	366.0
10	Finland	2374	27½	13	346.5
20	Philippines	2418	27	17
21	New Zealand	2216	27	15
22	Iceland	2426	27	13
23	Venezuela	2275	26½	13
24	Belgium	2326	26½	11
25	Denmark	2340	26½	10
26	France	2320	26	14	351.0
27	Dominican Republic	2200	26	14	300.5
28	Uruguay	2203	26	13
29	Honduras	2200	26	9
30	Thailand	2200	25½	12
31	Iran	2303	25½	11	367.5
32	Costa Rica	2200	25½	11	324.0
33	Scotland	2321	25½	10
34	Guernsey	2200	25	14
35	Ireland	2214	25	12
36	Luxembourg	2250	24½	13
37	Guatemala	2200	24½	12	321.0
38	Japan	2200	24½	12	296.0
39	Hong Kong	2245	24½	12	291.5
40	Bolivia	2200	24½	11
41	Bermuda	2200	24
42	Andorra	2200	23
43	Monaco	2200	22
44	Faroe Islands	2201	21½
45	Papua New Guinea	2200	18
46	United States Virgin Islands	2200	15½
47	British Virgin Islands	2203	13½
48	Netherlands Antilles	2200	7½