The 4th Chess Olympiad (Czech: 4. Šachová olympiáda), organized by the Fédération Internationale des Échecs (FIDE) and comprising an open^[1] and (unofficial) women's tournament, as well as several events designed to promote the game of chess, took place between July 11 and July 26, 1931, in Prague, Czechoslovakia. The 3rd Women's World Chess Championship also took place during the Olympiad.

#	Country	Players	Points
1	United States	Kashdan, Marshall, Dake, Horowitz, Steiner H.	48
2	Poland	Rubinstein, Tartakower, Przepiórka, Makarczyk, Frydman	47
3	Czechoslovakia	Flohr, Gilg, Rejfíř, Opočenský, Skalička	46½
4	Yugoslavia	Vidmar, Asztalos, Kostić, Pirc, König	46
5	Germany	Bogoljubow, Ahues, Wagner, Richter, Helling	45½
6	Latvia	Matisons, Apšenieks, Petrovs, Feigins, Hasenfuss	45½
7	Sweden	Ståhlberg, Stoltz, Berndtsson, Lundin	45½
8	Austria	Grünfeld, Spielmann, Kmoch, Becker, Lokvenc	45
9	Great Britain	Sultan Khan, Yates, Thomas, Winter, Wahltuch	44
10	Hungary	Steiner E., Steiner L., Vajda, Havasi, Sterk	39½
11	Netherlands	Weenink, Noteboom, Van den Bosch, Addicks, Van Doesburgh	35
12	Switzerland	Johner H., Naegeli, Zimmermann, Rivier, Michel	34
13	Lithuania	Mikėnas, Šeinbergas, Vistaneckis, Abramavičius, Luckis	30½
14	France	Alekhine, Gromer, Kahn, Betbeder, Duchamp	29½
15	Romania	Erdélyi, Balogh, Baratz, Gudju, Wechsler	28
16	Italy	Rosselli del Turco, Monticelli, Romi, Hellmann	24
17	Denmark	Andersen, Cruusberg, Ruben, Lie, Larsen	19½
18	Norway	Christoffersen, Hansen, Halvorsen, Hovind, Gulbrandsen	15½
19	Spain	Golmayo, Vilardebó, Soler, Marín y Llovet, Sanz Aguado	15½

Place	Country	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19		+	−	=	Points
1	United States	-	2	3½	1½	2	1½	2½	1½	2½	2½	2½	2	3	3	3½	3½	4	4	3		12	3	3	48
2	Poland	2	-	2½	2	3	1½	2	2	1½	3½	2½	2	3	3½	3	4	2½	4	2½		11	2	5	47
3	Czechoslovakia	½	1½	-	2½	1½	2½	2	2½	1½	3	2½	3	2½	2½	3½	3½	4	3½	4		13	4	1	46½
4	Yugoslavia	2½	2	1½	-	1	1½	2	2½	3½	2½	1½	2½	2½	3½	3	3	3½	3½	4		12	4	2	46
5	Germany	2	1	2½	3	-	2½	2	1½	½	2½	2½	3	2½	3	3	3	4	3½	3½		13	3	2	45½
6	Latvia	2½	2½	1½	2½	1½	-	2	2½	1½	1	3	2½	3	3	2½	2½	4	3½	4		13	4	1	45½
7	Sweden	1½	2	2	2	2	2	-	1	2	2½	3	4	3	2	3½	3	3½	3	3½		9	2	7	45½
8	Austria	2½	2	1½	1½	2½	1½	3	-	2½	1½	2½	2½	3	2½	4	3½	3	2½	3		13	4	1	45
9	Great Britain	1½	2½	2½	½	3½	2½	2	1½	-	2½	2½	3	1½	1½	3	3	3½	3½	3½		12	5	1	44
10	Hungary	1½	½	1	1½	1½	3	1½	2½	1½	-	1½	3	2	3	3	2½	3½	3½	3		9	8	1	39½
11	Netherlands	1½	1½	1½	2½	1½	1	1	1½	1½	2½	-	0	3½	2	2	2½	3	2	4		6	9	3	35
12	Switzerland	2	2	1	1½	1	1½	0	1½	1	1	4	-	3	2½	1	2½	2½	3	3		7	9	2	34
13	Lithuania	1	1	1½	1½	1½	1	1	1	2½	2	½	1	-	2	1	3	3	3	3		5	11	2	30½
14	France	1	½	1½	½	1	1	2	1½	2½	1	2	1½	2	-	1½	1½	3	3	2½		4	11	3	29½
15	Romania	½	1	½	1	1	1½	½	0	1	1	2	3	3	2½	-	3	1½	2	3		5	11	2	28
16	Italy	½	0	½	1	1	1½	1	½	1	1½	1½	1½	1	2½	1	-	2½	3½	2		3	14	1	24
17	Denmark	0	1½	0	½	0	0	½	1	½	½	1	1½	1	1	2½	1½	-	3½	3		3	15	0	19½
18	Norway	0	0	½	½	½	½	1	1½	½	½	2	1	1	1	2	½	½	-	2		0	15	3	15½
19	Spain	1	1½	0	0	½	0	½	1	½	1	0	1	1	1½	1	2	1	2	-		0	16	2	15½

For the first time, medals were awarded to the top three individual players on each board.

Board 1		Board 2		Board 3		Board 4		Reserve
Alexander Alekhine	13½ / 18 75.0	Gösta Stoltz	13½ / 18 75.0	Vladimirs Petrovs	11½ / 16 71.9	Albert Becker	10½ / 14 75.0	Karel Skalička	10½ / 14 75.0
Efim Bogoljubow	12½ / 17 73.5	Savielly Tartakower	13½ / 18 75.0	George Alan Thomas	12½ / 18 69.4	Vasja Pirc	12½ / 17 73.5	Herman Steiner	8½ / 12 70.8
Isaac Kashdan	12 / 17 70.6	Lajos Steiner	12 / 17 70.6	Josef Rejfiř	11 / 16 68.8	Kurt Richter	10½ / 15 70.0	Wolfgang Hasenfuss	7½ / 11 68.2

• 4th Chess Olympiad: Prague 1931 OlimpBase