Buuxi weedha soo socota: Wuxuu wakiil uga ahaa dalkiisa uu soo qaatay guddiga afaraad ee Olombikada 3aad ee Chess-ka ee Hamburg 1930 (+5 <unk>7 =3), iyo guddiga labaad ee
Olombikada 7aad ee Chess ee Stockholm 1937 (+5 <unk>2 =8).