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A35h — Symmetrical, Four Knights (1945)
1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3
Les coups candidats
4…e6 — 47.9% (1695 parties)
Ambassadeurs : Horvath, Jozsef (18x), Parma, Bruno (11x), Karpov, Anatoly (11x), Hulak, Krunoslav (10x), Tal, Mikhail (8x), Langeweg, Kick (8x), Gelfand, Boris (8x), Ivkov, Borislav (7x)
4…g6 — 20.0% (708 parties)
Ambassadeurs : Ivanov, Jordan (8x), Hulak, Krunoslav (3x), Frey Beckman, Kenneth (3x), Hohler, Peter (3x), Van Riemsdijk, Herman C. (2x), Danielsen, Henrik (2x), Darga, Klaus (2x), Schulze, Ulrich (2x)
Ambassadeurs : Jaeger, Erich (6x), Diele, Ralf (6x), Berger, Gerhard (5x), Zielinski, Sergej (5x), Horvath, Jozsef (5x), Rade, Miroslav (5x), Tsesarsky, Ilya (3x), Voit, Daria (3x)
4…d5 — 11.8% (417 parties)
Ambassadeurs : Minaya, Juan (3x), Rogoff, Kenneth (2x), Cafferty, Bernard (2x), Ivkov, Borislav (2x), Sher, Miron (2x), Ruzic, Evgen (2x), Rodshtein, Maxim (2x), Gofshtein, Leonid (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…e6 4…g6 4…e5 4…d5
<1800 170 40% 19% 14% 14%
1800-2200 1008 41% 25% 11% 15%
2200-2600 1805 50% 19% 15% 10%
2600+ 178 77% 6% 13% 2%
Évolution par décennie (% des parties)
Décennie N parties 4…e6 4…g6 4…e5 4…d5
1950s 7 29% 14% — 43%
1960s 83 72% 6% 5% 13%
1970s 110 69% 15% 5% 10%
1980s 203 68% 11% 6% 8%
1990s 475 51% 18% 12% 13%
2000s 620 38% 21% 18% 14%
2010s 1238 47% 23% 12% 12%
2020s 801 45% 20% 18% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…e6 47% 45% ▼ -1.6%
4…g6 23% 20% ▼ -2.8%
4…e5 12% 18% ▲ +6.1%
4…d5 12% 9% ▼ -3.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Tal, Mikhail — 9 parties
Kramnik, Vladimir — 7 parties
Kasparov, Garry — 5 parties
Carlsen, Magnus — 4 parties
Botvinnik, Mikhail — 2 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Ding, Liren — 1 partie
Parties historiques
4…e6 — 47.9% (1695 parties)
1958 — Tal, Mikhail vs Milev, Zdravko — 1-0 — Munchen olm
1958 — Tal, Mikhail vs Milev, Zdravko — 1-0 — Munich GER
1960 — Petrosian, Tigran V. vs Suetin, Alexey S — 1-0 — Leningrad ch-URS
1960 — Petrosian, Tigran A. vs Suetin, Alexey S — 1-0 — Leningrad URS ch
1961 — Gianordoli Cesar vs Jose, Ribeiro — 0-1 — ?
4…g6 — 20.0% (708 parties)
1959 — Nei, Iivo vs Stein, Leonid — 1-0 — Moscow RUS
1960 — Rapaka Samuel Paul vs Szabo, Laszlo — 1/2-1/2 — Buenos Aires ARG
1964 — Darga, Klaus vs Evans, Larry — 1-0 — Amsterdam izt
1969 — Wilson, Garry vs McNally, Everett — 1-0 — ?
1969 — Kiffmeyer, Constanz vs Schulze, Ulrich — 1/2-1/2 — Hamburg GER
4…e5 — 13.5% (477 parties)
1960 — Yepez, Osvaldo vs Batlouni, Ralf — 1-0 — Leipzig GER
1967 — Fricker, Alfred vs Vacca, Georges — 1/2-1/2 — Dieppe FRA
1968 — Gamaliel Gonzales vs Soler Gonzalez, Juan Fernando — 1-0 — Lugano SUI
1968 — Gonzalez , Jorge Alfredo vs Galeb, Antoine — 1-0 — Lugano olm
1970 — Sznapik, Aleksander vs Wobozil, Janusz — 1-0 — Warsaw POL
4…d5 — 11.8% (417 parties)
1956 — Dolezal, Jiri vs Holas, Josef — 1-0 — Podebrady CZE
1957 — Conen, Friedrich vs Soelter, Reinhold — 1/2-1/2 — Brakel
1957 — Botta Durga Deepak vs Oette, H. — 0-1 — Stuttgart GER
1960 — Ujtelky, Maximilian vs Rejfir, Josef — 1/2-1/2 — Marianske Lazne
1962 — Pachman, Ludek vs Balcerowski, Witold — 1-0 — Varna olm