A29m — Four Knights, Main Line 6.O-O (1938)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2 O-O 6.O-O
Les coups candidats
Ambassadeurs : Zielinski, Sergej (50x), Bakheet Farag (19x), Uhlmann, Wolfgang (17x), Tsenkov, Ljubomir (17x), Vetter, Udo (13x), Morley, Paul (12x), Smyslov, Vasily (10x), Chorfi, Khaled (10x)
6…d6 — 19.5% (1266 parties)
Ambassadeurs : Zielinski, Sergej (31x), Portych, Václav (16x), Popov, Vladimir Valentinovich (14x), Belchev, Branimir Petrov (12x), Beck, Georges (7x), Balogh, Csaba (6x), Szerlak, Andrzej (6x), Eldridge, Mark (6x)
6…Re8 — 19.5% (1262 parties)
Ambassadeurs : Uhlmann, Wolfgang (11x), Korchnoi, Viktor (7x), Portisch, Lajos (5x), Gulko, Boris (5x), Konjevic, Djordje (5x), Kaiszauri, Konstanty (4x), Kleinsorgen, Horst (4x), Behrensen, Jorge (3x)
6…Bxc3 — 9.8% (637 parties)
Ambassadeurs : Benko, Pal (4x), Uhlmann, Wolfgang (4x), Beckett, Phillip J (4x), Morley, Paul (4x), Ivanchuk, Vasyl (4x), Adorjan, Andras (3x), Salov, Valery (3x), Gulko, Boris (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…e4 6…d6 6…Re8 6…Bxc3
<1800 412 49% 25% 17% 6%
1800-2200 2335 48% 22% 19% 10%
2200-2600 2229 49% 17% 22% 11%
2600+ 176 32% 30% 18% 20%
Évolution par décennie (% des parties)
Décennie N parties 6…e4 6…d6 6…Re8 6…Bxc3
1950s 3 67% 33%
1960s 26 27% 62% 12%
1970s 307 49% 7% 32% 12%
1980s 393 61% 7% 21% 11%
1990s 1067 52% 11% 24% 11%
2000s 1813 54% 14% 21% 10%
2010s 2400 42% 32% 15% 9%
2020s 470 62% 16% 12% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…e4 42% 62% ▲ +19.6%
6…d6 32% 16% ▼ -16.7%
6…Re8 15% 12% ▼ -3.5%
6…Bxc3 9% 8% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 8 parties
Smyslov, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Ding, Liren — 2 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
6…e4 — 49.9% (3234 parties)
1962 — Eliskases, Erich vs Smyslov, Vasily — 1/2-1/2 — Mar del Plata ARG
1966 — Sliwa, Bogdan vs Smyslov, Vasily — 0-1 — Polanica Zdroj POL
1966 — Ujtelky, Maximilián Samuel Rudolf vs Smyslov, Vasily — 1/2-1/2 — Polanica Zdroj POL
1966 — Nei, Iivo vs Fuchs, Reinhart — 0-1 — Zinnowitz Zinnowitz GER
1967 — Sofrevski, Jovan vs Matulovic, Milan — 1/2-1/2 — Skopje MKD
6…d6 — 19.5% (1266 parties)
1970 — Baumbach, Friedrich, Dr. vs Walter, Guenter — 1-0 — DDR-ch 19th Freiberg
1971 — Wirthensohn, Heinz vs Gereben, Erno — 1/2-1/2 — Muttenz
1972 — Wirthensohn, Heinz vs Gereben, Erno — 0-1 — Basel SUI
1972 — Suetin, Alexey S vs Zilberstein, Valery I — 1-0 — Kislovodsk
1972 — Jansa, Vlastimil vs Bisguier, Arthur B — 1-0 — Skopje MKD
6…Re8 — 19.5% (1262 parties)
1959 — Petrosian, Tigran A. vs Keres, Paul Petrovich — 1/2-1/2 — Bled SLO
1959 — Bertok, Mario Jr. vs Ivkovic, Dusan — 0-1 — Kragujevac ch14-YUG
1960 — Eliskases, Erich vs Behrensen, Jorge — 1/2-1/2 — Buenos Aires ch-ARG
1961 — Uusi, Gunnar vs Kampenuss, Peteris — 0-1 — Riga LAT
1961 — Bielicki, Carlos vs Behrensen, Jorge — 1-0 — Balcarce
6…Bxc3 — 9.8% (637 parties)
1955 — Filip, Miroslav vs Barta, Jan — 0-1 — Sliac
1965 — Hansen, Victor vs Moe, Mogens — 1/2-1/2 — Aalborg DEN
1965 — Hansen, Victor vs Moe, Mogens — 1/2-1/2 — Aalborg DEN
1969 — Kaplan, Julio vs Urzica, Aurel — 0-1 — Stockholm SWE
1970 — Smejkal, Jan vs Hecht, Hans-Joachim — 1-0 — Siegen olm Siegen GER