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A44q — Old Benoni: Czech (1920)
1.d4 c5 2.d5 e5 3.e4 d6 4.Nc3
Les coups candidats
Ambassadeurs : Piesik, Piotr (19x), Kosanovic, Goran A (15x), Ivanovic, Bozidar (13x), Moravec, Michal (12x), Vokac, Marek (11x), Arkell, Keith C (11x), Daudzvardis, Janis (10x), Gheorghiu, Florin (8x)
Ambassadeurs : Rahls, Peter (23x), Ostojic, Predrag (6x), Shchukin, Dmitry (6x), Rashkovsky, Nukhim N (5x), Kosanski, Stanko (5x), Kucera, Petr (5x), Gasztonyi, Endre (4x), Arbakov, Valentin (4x)
Ambassadeurs : Gaprindashvili, Nona (9x), Kosikov, Andrey (7x), Chernyshov, Konstantin (6x), Asilkefeli, Metin (4x), Qalagashvili, Pridon (4x), Larsen, Bent Ravn (3x), Siebrecht, Sebastian (3x), Akesson, Ralf (3x)
Ambassadeurs : Auchenberg, Per (3x), Chavarro, Hugo (3x), Izquierdo, Daniel (3x), Camara, Helder (2x), Bellon Lopez, Juan Manuel (2x), Brameyer, Hermann (2x), Starosek, Konstantin (2x), Bellin, Jana M (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be7 4…a6 4…g6 4…Nf6
<1800 102 35% 23% 15% 13%
1800-2200 1336 42% 21% 18% 10%
2200-2600 1734 50% 26% 13% 6%
2600+ 5 80% 20%
Évolution par décennie (% des parties)
Décennie N parties 4…Be7 4…a6 4…g6 4…Nf6
1950s 24 33% 29% 8%
1960s 77 17% 31% 35% 4%
1970s 67 39% 12% 21% 10%
1980s 195 38% 33% 15% 4%
1990s 754 44% 25% 16% 7%
2000s 1183 45% 25% 16% 5%
2010s 1015 46% 21% 15% 11%
2020s 207 47% 20% 11% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be7 46% 47% ▲ +1.2%
4…a6 21% 20% ▼ -1.2%
4…g6 15% 11% ▼ -3.7%
4…Nf6 11% 14% ▲ +2.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Parties historiques
4…Be7 — 44.0% (1549 parties)
1962 — Gligoric, Sofija vs Jovic Sherin — 1-0 — Vrnjacka Banja SRB
1963 — Malich, Burkhard, Dr. vs Pietzsch, Wolfgang — 1-0 — Aschersleben GER
1964 — Kluger, Gyula vs Bak, Istvan — 1/2-1/2 — Budapest ch-HUN
1964 — Ader Hausman, Walter vs Zwaig, Arne — 0-1 — Tel Aviv olm fin-B
1965 — Furman, Semyon vs Simagin, Vladimir — 1-0 — Tallinn ch-URS
4…a6 — 24.0% (844 parties)
1950 — Golombek, Harry vs Trifunovic, Petar — 0-1 — Amsterdam NED
1951 — Bajec, Ivo vs Akash Langer — 1-0 — ?
1954 — Dittmann, Sieghart vs Malich, Burkhard, Dr. — 1-0 — Schkopau
1955 — Troeger, Rainer vs Malich, Burkhard, Dr. — 1/2-1/2 — Schkopau
1956 — Kahn, Manfred vs Malich, Burkhard, Dr. — 1/2-1/2 — Leipzig GER
4…g6 — 16.0% (563 parties)
1954 — Zagorovsky, Vladimir vs Vatnikov, Josif E — 1-0 — Moscow RUS
1954 — Arnold, Dietmar vs Eising, Johannes — 0-1 — Schkopau
1955 — Richter Becerra, Hans vs Thal, Olaf — 1-0 — Zittau
1957 — Szukszta, Janus vs Orbaan, Constant — 1/2-1/2 — Szczawno Zdroj
1958 — Van Den Broeck, Hans vs Nilsson, Zandor — 0-1 — Munich GER
4…Nf6 — 8.0% (282 parties)
1951 — Ader Hausman, Walter vs Kalkstein, Rodolfo — 1-0 — San Rafael
1957 — Furman, Slavomir vs Aronson, Lev — 0-1 — Leningrad RUS
1964 — Milev, Zdravko vs Mititelu, Gheorghe — 1-0 — Tel Aviv olm
1969 — Veresov, Gavriil vs Osnos, Viatcheslav — 1-0 — Grozny
1969 — Timmer, Hendrika G vs Bellin, Jana M — 0-1 — ?