1951 — Golombek, Harry vs Prins, Lodewijk — 1/2-1/2 — Zonal Bad Pyrmont GER 1951 — Bosch van Rosenthal, Edzard vs Tartakower, Savielly — 0-1 — Birmingham ENG 1951 — Donner, Jan-Hein vs Prins, Lodewijk — 1-0 — Match partij 1957 — Taylor, Jack vs Ridout, Howard — 1-0 — Vancouver BC CAN 1958 — Spitzenberger, E. vs Gosch, F. — 1-0 — cr.
4.Nf3 — 28.0% (496 parties)
1961 — Polugaevsky, Lev vs Gurgenidze, Bukhuti — 1-0 — Baku ch-URS 1964 — Doroshkievich, Vladimir K vs Gheorghiu, Florin — 1/2-1/2 — Sochi RUS 1964 — Solmundarson, Magnus vs Vyzantiadis, Lazaros — 1/2-1/2 — Tel Aviv ISR 1965 — Cruz, Raul C. vs Gheorghiu, Florin — 1/2-1/2 — Mar del Plata ARG 1967 — Bilyap, Siracettin vs Gheorghiu, Florin — 0-1 — Vrnjacka Banja SRB
4.g3 — 22.8% (405 parties)
1951 — Stahlberg, Gideon vs Tartakower, Savielly — 1/2-1/2 — Birmingham ENG 1961 — Sokolsky, Boris vs Gorenstein, Yaacov — 1/2-1/2 — cr. 1964 — Krogius, Nikolai V vs Vasiukov, Evgeni — 1/2-1/2 — Kiev ch-URS 1964 — Borisenko, Aleksei V vs Tal, Mikhail — 1/2-1/2 — Kiev ch-URS 1964 — Vranesic, Zvonko vs Larsen, Bent Ravn — 0-1 — Amsterdam izt
4.Bg5 — 4.4% (78 parties)
1962 — Staw, Philippe vs Roethel, Michel — 1/2-1/2 — Paris FRA 1964 — Whitcutt vs Jamieson, Peter M — 0-1 — Glorney Cup 1972 — Appleberry, Martin vs Gheorghiu, Florin — 1/2-1/2 — Atlantic City 1973 — Bauman, Judson vs Wall, Alejandro — 0-1 — U Tapao, Thailand 1973 — Bauman, Judson vs Wall, Bill — 0-1 — ?
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 1 partie
1951 — Bosch van Rosenthal, Edzard vs Tartakower, Savielly — 0-1 — Birmingham ENG
1951 — Donner, Jan-Hein vs Prins, Lodewijk — 1-0 — Match partij
1957 — Taylor, Jack vs Ridout, Howard — 1-0 — Vancouver BC CAN
1958 — Spitzenberger, E. vs Gosch, F. — 1-0 — cr.
1964 — Doroshkievich, Vladimir K vs Gheorghiu, Florin — 1/2-1/2 — Sochi RUS
1964 — Solmundarson, Magnus vs Vyzantiadis, Lazaros — 1/2-1/2 — Tel Aviv ISR
1965 — Cruz, Raul C. vs Gheorghiu, Florin — 1/2-1/2 — Mar del Plata ARG
1967 — Bilyap, Siracettin vs Gheorghiu, Florin — 0-1 — Vrnjacka Banja SRB
1961 — Sokolsky, Boris vs Gorenstein, Yaacov — 1/2-1/2 — cr.
1964 — Krogius, Nikolai V vs Vasiukov, Evgeni — 1/2-1/2 — Kiev ch-URS
1964 — Borisenko, Aleksei V vs Tal, Mikhail — 1/2-1/2 — Kiev ch-URS
1964 — Vranesic, Zvonko vs Larsen, Bent Ravn — 0-1 — Amsterdam izt
1964 — Whitcutt vs Jamieson, Peter M — 0-1 — Glorney Cup
1972 — Appleberry, Martin vs Gheorghiu, Florin — 1/2-1/2 — Atlantic City
1973 — Bauman, Judson vs Wall, Alejandro — 0-1 — U Tapao, Thailand
1973 — Bauman, Judson vs Wall, Bill — 0-1 — ?