Capablanca's Riddle

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Reti, Richard — Capablanca, Jose Raul Moscow · 1925.??.?? · 1/2-1/2
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Capablanca, Jose Raul — Alekhine, Alexander World Championship 13th · 1927.11.09 · 1/2-1/2
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Trifunovic, Petar — Pirc, Vasja Saltsjobaden Interzonal · 1948.??.?? · 1/2-1/2
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Pachman, Ludek — Podgorny, Jiri 1950.??.?? · 0-1
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Bobotsov, Milko G — Petrosian, Tigran V Lugano ol (Men) fin-A · 1968.10.26 · 0-1