E89b - 9.cxd5 a6 - Saemisch, Orthodox Main Line (1954)

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E89b — Saemisch, Orthodox Main Line (1954)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Nge2 cxd5 9.cxd5 a6
Les coups candidats
10.Qd2 — 45.8% (120 parties)
Ambassadeurs : Lokvenc, Josef (4x), Gligoric, Sofija (4x), Geller, Efim P. (2x), Szabo, Laszlo (2x), Petrosian, Tigran V. (2x), Popov, Vladimir L. (2x), Rubinetti, Jorge (2x), Panno, Oscar (2x)
10.g4 — 27.1% (71 parties)
Ambassadeurs : Popov, Luben (3x), Botvinnik, Mikhail (3x), Milev, Zdravko (2x), Bertok, Mario Jr. (2x), Moehring, Guenther (2x), Bobotsov, Milko G (2x), Barden, Leonard (2x), Caminade, Christian (2x)
10.a4 — 10.7% (28 parties)
Ambassadeurs : Graf, Alexander (2x), Ghoneim, Ahmed Mohamed (2x), Scholl, Eddie C (1x), Richardson, Keith B (1x), Pratten, Wilfred Henry (1x), Matchett, Harry Gethin Thorp (1x), Behnick, Eckhard (1x), Huebner, Robert (1x)
10.Ng3 — 7.6% (20 parties)
Ambassadeurs : Kroll, Ove (1x), Jacobsen, Benjamin Hojvang (1x), Wunderlich, Daniel (1x), Friedrich, Adam (1x), Lilienthal, Andor (1x), Skjoeld, C. (1x), Dienne, Jean (1x), Eeckhout, Jean-louis (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Qd2 10.g4 10.a4 10.Ng3
<1800 9 33% 22% 11% 33%
1800-2200 87 39% 26% 13% 5%
2200-2600 70 63% 17% 9% 7%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10.Qd2 10.g4 10.a4 10.Ng3
1950s 13 92% — — —
1960s 49 33% 53% 8% —
1970s 11 45% 27% 18% 9%
1980s 17 35% 41% — 12%
1990s 61 38% 20% 13% 18%
2000s 56 54% 23% 4% 7%
2010s 48 50% 19% 25% 2%
2020s 7 57% 14% — 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Qd2 50% 57% ▲ +7.1%
10.g4 19% 14% ▼ -4.5%
10.a4 25% 0% ▼ -25.0%
10.Ng3 2% 14% ▲ +12.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 1 partie
Parties historiques
10.Qd2 — 45.8% (120 parties)
1954 — Lokvenc, Josef vs Geller, Efim P. — 1/2-1/2 — Amsterdam NED
1954 — Lokvenc, Josef vs Geller, Efim P. — 1/2-1/2 — Amsterdam olm
1956 — Szabo, Laszlo vs Petrosian, Tigran V. — 1/2-1/2 — Amsterdam NED
1956 — Golombek, Harry vs Uhlmann, Wolfgang — 1/2-1/2 — Moscow RUS
1958 — Petrosian, Tigran V. vs Lokvenc, Josef — 1-0 — Munchen olm
10.g4 — 27.1% (71 parties)
1960 — Milev, Zdravko vs Bertok, Mario Jr. — 0-1 — Leipzig olm prel
1960 — Ghitescu, Theodor vs Jansa, Vlastimil — 0-1 — Marianske Lazne
1960 — Bobotsov, Milko G vs Miguel, Nahuel — 0-1 — Leipzig olm
1960 — Popov, Luben vs Bertok, Mario Jr. — 1/2-1/2 — Budapest HUN
1960 — Ungureanu, Emil vs Ciocaltea, Victor — 1-0 — Bucharest ROU
10.a4 — 10.7% (28 parties)
1961 — Behnick, Eckhard vs Huebner, Robert — 0-1 — Haslach im Kinzigtal
1963 — Scholl, Eddie C vs Richardson, Keith B — 0-1 — Groningen NED
1963 — Pratten, Wilfred Henry vs Matchett, Harry Gethin Thorp — 1-0 — Bognor Regis, Butlins
1965 — Lemaire, Robert vs Rooze, Jan — 1-0 — Antwerp BEL
1973 — Betancort Curbelo, Juan Rafael vs Visier Segovia, Fernando — 0-1 — Las Palmas ESP
10.Ng3 — 7.6% (20 parties)
1971 — Lilienthal, Andor vs Skjoeld, C. — 1-0 — telex
1988 — Wunderlich, Daniel vs Friedrich, Adam — 1/2-1/2 — corr DDR
1989 — Kroll, Ove vs Jacobsen, Benjamin Hojvang — 1/2-1/2 — Aarhus DEN
1990 — Comp Portorose vs Kindermann, Stefan — 1-0 — Berlin GER
1990 — Charlee, Porthor vs Kindermann, Sergio — 1-0 — Berlin Summer