Cika wannan jumla: A 1933 da 1935, ya dauki 2nd a pre-Olympic gasa. Appel ya wakilci Poland a gasar Olympics ta Chess guda biyu. Ya buga wasa a tebur na huɗu (+ 4 -2 = 4) a Folkestone 1933. Ya taka leda a na huɗu hukumar (+7 -3 =4) a
Stockholm 1937, inda ya lashe lambar tagulla ta tawagar.