Larsen won at Lugano 1970 with 9½/14, ahead of Olafsson. In the USSR vs Rest of the World match at Belgrade 1970, he played first board for the World side, ahead of Fischer, and scored 2½/4 against Spassky and Leonid Stein. At Leiden 1970, he shared 3rd–4th places with 5½/12, (Spassky won). He defeated Lubomir Kavalek in a 1970 exhibition match at Solingen by 6–2. He won at Vinkovci 1970 with 10½/15, ahead of David Bronstein, Hort, and Gligorić. At Palma de Mallorca 1970, he shared 6th–7th places with 9/15 (Panno and Ljubomir Ljubojević were joint winners). Larsen shared 8th–9th places at San Antonio 1972 on 8½/15 (Portisch, Petrosian, and Karpov triumphed). He won at Teesside 1972 with 11/15, ahead of Ljubojević and Portisch. At Las Palmas 1972, he shared 2nd–3rd places on 11/15 (Portisch won).