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A29q — Four Knights (1902)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Be6
Les coups candidats
7.O-O — 81.4% (1724 parties)
Ambassadeurs : Dueckstein, Andreas (9x), Roeder, Gerd, Dr. (8x), Tarnowski, Alfred (5x), Sarosy, Zoltan L (5x), Sedlacek, Jiri (4x), Cohen, David (4x), Preo, Nicolas A (3x), Taimanov, Mark (3x)
7.d3 — 13.0% (275 parties)
Ambassadeurs : Bujak, Michal (2x), Trushina, Marina (2x), Uhlmann, Wolfgang (1x), Golz, Werner (1x), Gabrys, Zygmunt (1x), Tarnowski, Alfred (1x), Pelikan, Jorge (1x), Incutto, Carlos (1x)
7.Qa4 — 1.8% (39 parties)
Ambassadeurs : Sliwa, Bogdan (1x), Tarnowski, Alfred (1x), Malliaros, Stavros (1x), Efthimiou, Efthimios (1x), Skopelitis, T. (1x), Grivas, Efstratios (1x), Deleyn, Gunter (1x), Tiller, Bjorn (1x)
7.d4 — 1.4% (30 parties)
Ambassadeurs : Laux, Philipp (2x), Ree, Hans (1x), Kovacs, Laszlo (1x), Dizdarevic, Emir (1x), Lecuyer, Christian (1x), Ost-Hansen, Jacob (1x), Borngaesser, Rene (1x), Pakmor W (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.d3 7.Qa4 7.d4
<1800 246 75% 18% 2% 2%
1800-2200 962 79% 15% 2% 1%
2200-2600 343 87% 8% 1% 2%
2600+ 5 80%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.d3 7.Qa4 7.d4
1950s 32 91% 9%
1960s 60 83% 12% 2% 2%
1970s 68 81% 12% 6% 1%
1980s 93 90% 6% 1% 1%
1990s 398 83% 11% 1% 1%
2000s 635 81% 13% 2% 1%
2010s 682 80% 15% 2% 1%
2020s 149 75% 18% 1% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 80% 75% ▼ -5.0%
7.d3 15% 18% ▲ +3.5%
7.Qa4 2% 1% -0.3%
7.d4 1% 2% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7.O-O — 81.4% (1724 parties)
1950 — Al Husari, Zita Fatima vs Tarnowski, Alfred — 0-1 — Schiavno Zdroj
1951 — De Carbonnel, Heinz vs Friedrich, Gerd — 1-0 — ?
1952 — Szabo, Laszlo vs Porrecca, Giorgio — 1-0 — Helsinki FIN
1953 — Moiseev, Oleg vs Lilienthal, Andor — 0-1 — Moscow RUS
1953 — Moiseev, Viktor vs Lilienthal, Andor — 0-1 — Moscow RUS
7.d3 — 13.0% (275 parties)
1954 — Rossetto, Hector vs Perez Alcocer, Jose — 1-0 — Mar del Plata ARG
1955 — Boutteville, Cesar vs Noradounghian, Georges — 1/2-1/2 — Toulouse FRA
1959 — Uhlmann, Wolfgang vs Golz, Werner — 1-0 — Dresden GER
1960 — Gabrys, Zygmunt vs Tarnowski, Alfred — 1/2-1/2 — Poland ch
1960 — Ritson-Morry, William vs Lavers, Norman — 1/2-1/2 — Paignton
7.Qa4 — 1.8% (39 parties)
1963 — Sliwa, Bogdan vs Tarnowski, Alfred — 0-1 — Glucholazy
1972 — Roos, Michel vs Thiellement, Andre — 1/2-1/2 — Rosny sous Bois
1975 — Deleyn, Gunter vs Tiller, Bjorn — 1-0 — Groningen NED
1977 — Malliaros, Stavros vs Efthimiou, Efthimios — 0-1 — Athens,Greece
1979 — Skopelitis, T. vs Grivas, Efstratios — 0-1 — Athens GRE
7.d4 — 1.4% (30 parties)
1965 — Ree, Hans vs Kovacs, Laszlo — 0-1 — ?
1971 — Ost-Hansen, Jacob vs Borngaesser, Rene — 0-1 — Groningen NED
1985 — Dizdarevic, Emir vs Lecuyer, Christian — 1-0 — Avoine op
1992 — Robles Cordero, David Rafael vs Ivan Granados — 1-0 — ?
1997 — Pakmor W vs Laux, Philipp — 0-1 — ?