E51g - 7…a6 - Nimzo-Indian (1900)

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E51g — Nimzo-Indian (1900)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 Nc6 7.O-O a6
Les coups candidats
8.h3 — 33.3% (97 parties)
Ambassadeurs : Mitkov, Nikola (7x), Bakheet Farag (6x), Portisch, Lajos (3x), Knezevic, Milorad (3x), Kozma, Julius (2x), Gligoric, Sofija (2x), Kovacevic, Veljko (2x), Rotstein, Arkadij (2x)
8.a3 — 26.8% (78 parties)
Ambassadeurs : Mitkov, Nikola (8x), Bakheet Farag (4x), Bilyap, Siracettin (2x), Vaganian, Rafael A (2x), De Kleuver, Esther (2x), Kovacevic, Vlatko (2x), Gulko, Boris (2x), Agdamus, Jose Luis (1x)
8.Qc2 — 12.4% (36 parties)
Ambassadeurs : Kovacevic, Vlatko (2x), Furman, Boris (2x), Cafiero, Michael (1x), Emma, Jaime (1x), Rotstein, Jefim (1x), Platonov, Igor V (1x), Espinosa Flores, Rafael Emilio (1x), Canobra, Juvenal (1x)
8.Qe2 — 12.0% (35 parties)
Ambassadeurs : Donner, Jan-Hein (3x), Taimanov, Mark (2x), Vasiljevic, Dragan (2x), Plachetka, Jan (2x), Sydor, Andrzej (2x), Bellin, Robert (2x), Lokvenc, Josef (1x), Trifunovic, Petar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.h3 8.a3 8.Qc2 8.Qe2
<1800 11 36% 45% 9% —
1800-2200 60 30% 27% 20% 7%
2200-2600 157 34% 29% 8% 12%
2600+ 1 — — — 100%
Évolution par décennie (% des parties)
Décennie N parties 8.h3 8.a3 8.Qc2 8.Qe2
1950s 4 25% 25% 25% 25%
1960s 24 38% 21% 8% 17%
1970s 45 38% 18% 9% 16%
1980s 42 48% 14% 12% 14%
1990s 54 33% 39% 7% 7%
2000s 67 34% 33% 10% 12%
2010s 51 18% 27% 25% 10%
2020s 4 — 25% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.h3 18% 0% ▼ -17.6%
8.a3 27% 25% ▼ -2.5%
8.Qc2 25% 0% ▼ -25.5%
8.Qe2 10% 0% ▼ -9.8%
Parties historiques
8.h3 — 33.3% (97 parties)
1955 — Bannik, Anatolij vs Madaminov, Mukhiddin — 1/2-1/2 — Voroshilovgrad
1961 — Stupica, Janez vs Sofrevski, Jovan — 1-0 — Zagreb CRO
1962 — ? vs Zurakhov, Vladlen Y — 0-1 — Kiev UKR
1963 — Kozma, Julius vs Trapl, Jindrich — 1-0 — Prague CZE
1963 — Furman, Semyon vs Kholmov, Ratmir D — 0-1 — Sverdlovsk RUS
8.a3 — 26.8% (78 parties)
1955 — Lipiniks, Leonardo vs Sanguineti, Raúl Carlos — 0-1 — Buenos Aires ARG
1960 — Alexander Tadala vs Abanin, Vladimir — 0-1 — Vilnius LTU
1965 — Agdamus, Jose Luis vs Emma, Jaime — 0-1 — Buenos Aires ARG
1968 — Rodriguez, Ruben Jorge vs Bilyap, Siradzhetin — 1/2-1/2 — Lugano SUI
1969 — Cherepkov, Alexander V vs Vaganian, Rafael A — 1-0 — Sochi RUS
8.Qc2 — 12.4% (36 parties)
1957 — Espinosa Flores, Rafael Emilio vs Canobra, Juvenal — 1-0 — San Nicolas
1961 — Rotstein, Jefim vs Platonov, Igor V — 1/2-1/2 — Kiev UKR
1965 — Cafiero, Michael vs Emma, Jaime — 0-1 — Buenos Aires ch-ARG
1971 — Kapic, Ibrahim vs Kovacevic, Vlatko — 1/2-1/2 — Pula CRO
1972 — Debarnot, Roberto vs Rubinetti, Jorge — 1/2-1/2 — Buenos Aires ch-ARG
8.Qe2 — 12.0% (35 parties)
1958 — Trifunovic, Petar vs Lukic, Arsenije — 1/2-1/2 — Sarajevo BIH
1962 — Lokvenc, Josef vs Taimanov, Mark — 1/2-1/2 — Marianske Lazne
1964 — Donner, Jan-Hein vs Lengyel, Levente — 1/2-1/2 — Hoogovens Beverwijk NED
1964 — Donner, Jan-Hein vs Lengyel, Laszlo — 1/2-1/2 — Beverwijk NED
1969 — Rodriguez, Odysseus vs Alvarez, Jose-Luis — 1-0 — Mar del Plata ARG