A50e - 2…Nc6 3.Nf3 e6 - Mexican Defence (1932)

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A50e — Mexican Defence (1932)
1.d4 Nf6 2.c4 Nc6 3.Nf3 e6
Les coups candidats
Ambassadeurs : Vlassov, Nikolai (31x), Simmelink, Joop Theo (25x), Orlov, Georgi (22x), Bologan, Victor (16x), Meszaros, Gyula (11x), Yermolinsky, Alex (11x), Gurgenidze, Bukhuti (9x), Hagesather, Pal Vegard (9x)
Ambassadeurs : Vlassov, Nikolai (49x), Simmelink, Joop Theo (21x), Gupta, Abhijeet (16x), Bologan, Victor (16x), Rozentalis, Eduardas (14x), Caruana, Fabiano (11x), Sulava, Nenad (10x), Orlov, Georgi (10x)
4.g3 — 20.8% (1307 parties)
Ambassadeurs : Vlassov, Nikolai (35x), Ales Ferenc (13x), Arnaudov, G. Petar (13x), Meszaros, Gyula (10x), Orlov, Georgi (9x), Paronen, Petteri (8x), Blatny, Pavel (7x), Hausrath, Daniel (7x)
4.e3 — 4.8% (301 parties)
Ambassadeurs : Vlassov, Nikolai (6x), Simmelink, Joop Theo (5x), Hausrath, Daniel (5x), Gurgenidze, Bukhuti (3x), Anay Barche (2x), Paronen, Petteri (2x), Brunner, Hermann (2x), Gardner, Robert (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nc3 4.a3 4.g3 4.e3
<1800 325 45% 23% 16% 6%
1800-2200 2262 41% 27% 20% 5%
2200-2600 3091 34% 33% 24% 4%
2600+ 81 23% 43% 26% 6%
Évolution par décennie (% des parties)
Décennie N parties 4.Nc3 4.a3 4.g3 4.e3
1950s 8 38% 12% 12% 25%
1960s 7 57% — 14% —
1970s 7 71% 14% 14% —
1980s 40 45% 10% 20% 12%
1990s 713 47% 20% 19% 3%
2000s 2269 40% 31% 17% 5%
2010s 2670 36% 31% 23% 5%
2020s 578 32% 31% 28% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nc3 36% 32% ▼ -4.2%
4.a3 31% 31% -0.2%
4.g3 23% 28% ▲ +5.0%
4.e3 5% 5% -0.5%
Joueurs célèbres
Champions du monde dans cette position
Gukesh D — 3 parties
Kramnik, Vladimir — 2 parties
Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
4.Nc3 — 38.4% (2415 parties)
1950 — Shapira, Lilia vs Keres Paul Petrovich — 0-1 — ?
1950 — Al Balushi, Shuaib Abdul Wahab vs Keres, Paul — 0-1 — Szcawno Zdroj
1951 — Kozomara, Vlado vs Janosevic, Dragoljub — 1/2-1/2 — Ljubljana
1961 — Saborido Carre, Rafael vs Anay Barche — 0-1 — Oberhausen etc
1964 — Hadi, Adrian vs Jongsma, Alexander — 1/2-1/2 — Krakow POL
4.a3 — 29.5% (1855 parties)
1954 — Zimmermann, Otto vs Kremer, Paul — 1-0 — Amsterdam olm
1979 — Kojder, Konrad vs Miesowicz, Adam — 1-0 — Bydgoszcz POL
1983 — Certek, Pavel vs Brestak, Jan — 0-1 — Nova Bana
1986 — Zaichik, Gennadi vs Gurgenidze, Bukhuti — 1-0 — Tbilisi Tbilisi GEO
1986 — An, Yanfeng vs Vilas Boas, Luz — 1-0 — Dubai UAE
4.g3 — 20.8% (1307 parties)
1958 — Malich, Burkhard, Dr. vs Anay Barche — 1/2-1/2 — Asztalos Mem
1967 — Reefschlaeger, Helmut, Dr. vs Jongsma, Alexander — 1/2-1/2 — Detmold GER
1974 — Commons, Kim S vs Karklins, Andrew — 1-0 — Chicago ch-USA
1983 — Priehoda, Vitezslav vs Brestak, Jan — 1-0 — Nova Bana
1985 — Polgar, Susan vs Benjamin, Joel — 1/2-1/2 — Dortmund GER
4.e3 — 4.8% (301 parties)
1954 — Gereben, Erno vs Anay Barche — 1/2-1/2 — Hungary ch
1957 — Emden, Hermann vs Anay Barche — 0-1 — San Benedetto
1984 — Ehlvest, Jaan vs Gurgenidze, Bukhuti — 0-1 — Sverdlovsk
1988 — Thijssen, Freek vs Hoekstra, Wietse — 1/2-1/2 — ?
1988 — Tibensky, Robert vs Brestak, Jan — 1-0 — SVK-ch Trnava SVK