Tuhia he tomokanga mō tēnei wāhanga - I muri i te Pakanga Tuarua o te Ao, i reti atu a Dennis Morton Horne i te ope taua hei rangatira, ā, i ako ia ki te Whare Wānanga o Oxford, i reira i tino kaha ai ia ki te tākaro tēnehi. I te 1948 Plymouth International Chess Tournament, i wikitoria ia i te toa o mua o te ao, a Max Euwe. I te tau 1949 i wini ia i te waahi tuarua i te Swiss-system British Chess Championship. He kaitakaro taarua ia, i te nuinga o te wa e whakamahi ana i te whakatuwheratanga taatai penei i te King's Gambit. I tohu a Dennis Morton Horne i te kapa Ingarihi i te Chess Olympiad i te tau 1952
, i riro ai i a ia he mētara hiriwa takitahi. I te tau 1954, i uru tonu ia ki te Hastings International Chess Congress, ahakoa i kaha ake i a Friðrik Ólafsson, kei te tuunga whakamutunga tonu. I nga tau o muri mai, ko te iti ake o te wa o Dennis Morton Hornespent i te chess, ko te nui ake o tana hiahia ki te Bridge Contract.