E39a — Classical Variation, Berlin Variation, Pirc Variation (1950)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O
Les coups candidats
Ambassadeurs : Nikolov, Momchil (24x), Forintos, Gyozo V (21x), Macieja, Bartlomiej (20x), Seirawan, Yasser (15x), Arlandi, Ennio (12x), Horvath, Tamas (11x), Bakheet Farag (10x), Doroshkievich, Vladimir K (9x)
Ambassadeurs : Knezevic, Milorad (17x), Haik, Aldo (7x), ? (7x), Annakov, Babakuli (5x), Rodriguez Lopez, Rafael (5x), Blomqvist, Erik 2006 (5x), Khismatullin, Denis (4x), Iturrizaga Bonelli, Eduardo (4x)
Ambassadeurs : Gerusel, Mathias (12x), Whiteley, Andrew Jonathan (10x), Forintos, Gyozo V (6x), Toth, Bela (6x), Taimanov, Mark (6x), Csom, Istvan (5x), Gipslis, Aivars (5x), Eken, Max (4x)
6.Bg5 — 4.5% (239 parties)
Ambassadeurs : Navarovszky, Laszlo (2x), Podgorny, Jiri (2x), Wood, Baruch (2x), ? (2x), Savitskaya, Ekaterina P. (2x), Savva, Panikos (2x), Hildebrand, Gerald (2x), Vladimirov, Boris T (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.a3 6.Nf3 6.Bf4 6.Bg5
<1800 153 61% 23% 6% 5%
1800-2200 1263 59% 28% 5% 5%
2200-2600 2790 63% 28% 4% 3%
2600+ 188 75% 22% 3%
Évolution par décennie (% des parties)
Décennie N parties 6.a3 6.Nf3 6.Bf4 6.Bg5
1950s 121 24% 31% 16% 17%
1960s 99 7% 34% 44% 9%
1970s 178 30% 16% 44% 3%
1980s 452 56% 21% 12% 6%
1990s 994 59% 25% 7% 7%
2000s 1757 72% 20% 2% 4%
2010s 1227 60% 34% 1% 3%
2020s 456 56% 37% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.a3 60% 56% ▼ -4.1%
6.Nf3 34% 37% ▲ +3.5%
6.Bf4 1% 2% +0.3%
6.Bg5 3% 2% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 4 parties
Kramnik, Vladimir — 4 parties
Ju, Wenjun — 3 parties
Tal, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6.a3 — 60.1% (3176 parties)
1950 — Tikovsky, Augustin vs Filip, Miroslav — 0-1 — Zlin ch CZE
1950 — Bosch van Rosenthal, Edzard vs O'Kelly de Galway, Alberic — 1/2-1/2 — Amsterdam NED
1950 — Van den Berg, Carel B vs Ivkov, Borislav — 0-1 — Utrecht NED
1951 — Eken, Max vs Jonsson, Eric — 1/2-1/2 — Goteborg SWE
1951 — Eken, Max vs Unzicker, Ferdinand, Dr. — 1-0 — Duesseldorf GER
6.Nf3 — 26.2% (1387 parties)
1950 — Rapaka Samuel Paul vs Eken, Max — 1/2-1/2 — Amsterdam NED
1950 — Szilagyi, Gyorgy Laszlo vs Benko, Pal — 0-1 — Budapest HUN
1950 — Keller-Hermann, Edith vs Heemskerk, Fenny — 1-0 — Moscow RUS
1950 — Flohr, Salo vs Miguel, Nahuel — 1/2-1/2 — Budapest HUN
1950 — Golombek, Harry vs Pirc, Vasja — 0-1 — Amsterdam NED
6.Bf4 — 6.4% (336 parties)
1953 — Eken, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1953 — Eken, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1954 — Eken, Max vs Kupper, Josef — 1/2-1/2 — Zurich SUI
1954 — Andersen, Borge vs Fuderer, Andrija — 0-1 — Amsterdam olm
1955 — Muhring, Willem Jan vs Pines, Moshe — 1-0 — Johannesburg Public Library
6.Bg5 — 4.5% (239 parties)
1950 — Boleslavsky, Isaac vs Lilienthal, Andor — 1-0 — Budapest HUN
1950 — Schmidt, Paul Felix vs Mueller, Hans — 1/2-1/2 — Saarbruecken
1951 — Gadalinski, Jan vs Troianescu, Octav — 1/2-1/2 — Sopot
1951 — Harris, Peter A vs Aguero, Cruz — 0-1 — Birmingham/Coventry
1951 — Harris, Frederic K vs Cruz, Raul C. — 0-1 — Birmingham ENG