Whakaotihia te rerenga e whai ake nei: I takaro a Kupchik mo te kapa US i te
6th Chess Olympiad i Warsaw i te tau 1935. I eke ia (+6 -0 =8) i runga i te poari tuatoru, ka wini i te mētara parahi takitahi me te mētara koura a te roopu. I purei ia i te Poari 9 i te whakataetae reo irirangi a USSR-USA i te tau 1945, i ngaro ia i te 1⁄2-11⁄2 ki a Vladimir Makogonov.