Career
Kagan played for Israel in nine Chess Olympiads. In 1966, at fourth board in 17th Chess Olympiad in Havana (+4 –6 =1);
In 1968, at fourth board in 18th Chess Olympiad in Lugano (+9 –1 =3);
In 1970, at first board in 19th Chess Olympiad in Siegen (+10 –3 =3);
In 1972, at first board in 20th Chess Olympiad in Skopje (+5 –7 =5);
In 1974, at fourth board in 21st Chess Olympiad in Nice (+11 –1 =4);
In 1976, at first reserve board in 22nd Chess Olympiad in Haifa (+5 –2 =2);
In 1978, at third board in 23rd Chess Olympiad in Buenos Aires (+3 –4 =2);
In 1980, at first reserve board in 24th Chess Olympiad in Louisiana Valletta (+3 –3 =0);
In 1982, at second reserve board in 25th Chess Olympiad in Lucerne (+2 –1 =4). Kagan was awarded the International Master (IM) title in 1969.