A36e - 4.Bg2 - Symmetrical (1960)

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A36e — Symmetrical (1960)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2
Les coups candidats
Ambassadeurs : Miezis, Normunds (129x), Arkell, Keith C (38x), Weyerstrass, Ronald (31x), Zwardon, Vojtech (26x), Forintos, Gyozo V (25x), ? (21x), Kube, Hannelore (17x), Markowski, Tadeusz (17x)
4…Nf6 — 0.4% (58 parties)
Ambassadeurs : Fersterer, Katharina (2x), Bukhalaf, Khalil (2x), Portisch, Lajos (1x), Momo, Suren (1x), Della Mea, H. (1x), Braso, Jorge (1x), Habek, Juraj Vilim (1x), Cierny, Lubomir (1x)
4…d6 — 0.2% (34 parties)
Ambassadeurs : Hall, Jesper (3x), Heller, Simon (1x), Petr, Martin (1x), Biro, Karol (1x), Castiglione, Mario (1x), Kreuzer, Gerhard (1x), Borovik, Irina (1x), Chernikova, Svetlana (1x)
4…e5 — 0.1% (19 parties)
Ambassadeurs : Bernath, Robert (2x), Widziszewski, Franciszek (1x), Forsell, T (1x), Ivarsson, Stefan (1x), Joensson, Lennart (1x), Yee, Lorne (1x), Jung, Hans, Dr. (1x), Manouck, Thierry (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bg7 4…Nf6 4…d6 4…e5
<1800 1014 98% 1% 0% 0%
1800-2200 6487 99% 0% 0% 0%
2200-2600 5437 99% 0% 0% 0%
2600+ 115 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 4…Bg7 4…Nf6 4…d6 4…e5
1950s 57 100% — — —
1960s 235 100% 0% — —
1970s 350 99% 1% — —
1980s 634 99% 0% — 0%
1990s 2287 99% 0% 0% 0%
2000s 3831 99% 0% 0% 0%
2010s 5754 99% 0% 0% 0%
2020s 1841 99% 0% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bg7 99% 99% -0.2%
4…Nf6 0% 0% +0.1%
4…d6 0% 0% -0.1%
4…e5 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 6 parties
Carlsen, Magnus — 4 parties
Kramnik, Vladimir — 3 parties
Gukesh D — 3 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
4…Bg7 — 99.0% (14839 parties)
1952 — Heinicke, Herbert vs Ehrat, Jules — 1-0 — Lucerne SUI
1954 — Moiseev, Oleg vs Lebedev, Sergey — 1-0 — Erevan ARM
1954 — Petrosian, Tigran V. vs Bisguier, Arthur B — 1-0 — New York, NY USA
1954 — Raizman, Maurice vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
1955 — Bisguier, Arthur B vs Reiter, Alexander — 1-0 — New York, NY USA
4…Nf6 — 0.4% (58 parties)
1960 — Portisch, Lajos vs Momo, Suren — 1-0 — Leipzig GER
1971 — Grunberg, Sergiu-Henric vs Adam, Valerian — 1-0 — Bucharest ROU
1975 — Habek, Juraj Vilim vs Cierny, Lubomir — 1-0 — Rimavska Sobota SVK
1985 — Della Mea, H. vs Braso, Jorge — 0-1 — Uruguay
1988 — Lodes, Hermann vs Sievers, Stefan — 1/2-1/2 — Duitsland tt
4…d6 — 0.2% (34 parties)
1992 — Kreuzer, Gerhard vs Hall, Jesper — 1/2-1/2 — Budapest open
1996 — Stanec, Nikolaus vs Hall, Jesper — 0-1 — Wenen open
1997 — Biro, Karol vs Castiglione, Mario — 1-0 — SVK
1997 — Borovik, Irina vs Chernikova, Svetlana — 0-1 — Kolontaevo
1998 — Heller, Simon vs Petr, Martin — 0-1 — Svetla nad Sazavou
4…e5 — 0.1% (19 parties)
1981 — Ivarsson, Stefan vs Joensson, Lennart — 1-0 — Ystad
1985 — Widziszewski, Franciszek vs Forsell, T — 1/2-1/2 — ?
1994 — Yee, Lorne vs Jung, Hans, Dr. — 0-1 — London CAN
1994 — Jahr, Dieter vs Schenk, Dieter, Dr. — 1-0 — SC Schwedt-USV Potsd
1996 — Manouck, Thierry vs Pira, Davoud — 0-1 — Auxerre FRA