E42b - 5…d5 - Nimzo-Indian (1946)

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E42b —
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 d5
Les coups candidats
6.a3 — 89.8% (838 parties)
Ambassadeurs : Matanovic, Aleksandar (9x), Hulak, Krunoslav (9x), Andersson, Ulf (7x), Ghitescu, Theodor (5x), O'Kelly de Galway, Alberic (4x), Botvinnik, Mikhail (4x), Tolush, Alexander V (4x), Parma, Bruno (4x)
6.cxd5 — 7.9% (74 parties)
Ambassadeurs : Vaisser, Anatoly (4x), Karpov, Anatoly (4x), Mititelu, Gheorghe (2x), Krogius, Nikolai V (2x), Bilsel, Sabahaddin (2x), Toranzo Fernandez, Dionisio (2x), Kramer, George (1x), Ulvestad, Olaf (1x)
6.dxc5 — 1.9% (18 parties)
Ambassadeurs : Blanco Cruz, Wara (1x), Luckis, Marcos (1x), Primavera, Roberto (1x), Wostyn, Hendrik (1x), Latko, Alex (1x), Beerheide Walther (1x), Selvas Aguirre, Silverio (1x), Gonzalez, Roberto (1x)
6.Bd2 — 0.3% (3 parties)
Ambassadeurs : Reshevsky, Samuel (1x), Margolits, Z. (1x), Cuneo, Raymond J (1x), Leidner, Mike (1x), Zobel, Wolfgang (1x), Kahsnitz Hans (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.a3 6.cxd5 6.dxc5 6.Bd2
<1800 5 80% 20% — —
1800-2200 183 87% 9% 3% —
2200-2600 488 92% 7% 1% —
2600+ 38 95% 5% — —
Évolution par décennie (% des parties)
Décennie N parties 6.a3 6.cxd5 6.dxc5 6.Bd2
1930s 1 100% — — —
1940s 4 50% 25% 25% —
1950s 52 87% 8% 4% 2%
1960s 45 84% 13% — 2%
1970s 42 100% — — —
1980s 137 96% 4% — —
1990s 174 91% 6% 2% 1%
2000s 203 87% 9% 3% —
2010s 183 87% 11% 2% —
2020s 92 90% 9% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.a3 87% 90% ▲ +3.3%
6.cxd5 11% 9% ▼ -2.2%
6.dxc5 2% 1% ▼ -1.1%
6.Bd2 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 7 parties
Botvinnik, Mikhail — 4 parties
Karpov, Aleksandr — 2 parties
Carlsen, Magnus — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
6.a3 — 89.8% (838 parties)
1938 — Landau, Salo vs Michell, Reginald — 1-0 — Hastings ENG
1946 — Seidman, Herbert vs Strang — 1-0 — Pittsburgh
1947 — Wood, Gabriel Jacquin vs Golombek, Harry — 1/2-1/2 — Harrogate
1950 — Fine, Reuben vs Reshevsky, Samuel — 0-1 — New York, NY USA
1951 — Evans, Larry vs Smith, Kenneth — 1-0 — Forth Worth
6.cxd5 — 7.9% (74 parties)
1948 — Kramer, George vs Ulvestad, Olaf — 1/2-1/2 — US op Baltimore, MD USA
1950 — O'Kelly de Galway, Alberic vs Matanovic, Aleksandar — 1/2-1/2 — Bled SLO
1952 — Johnsen, Larus vs Weichselbaumer, Ernst — 0-1 — Helsinki olm
1955 — Turner, Abe J vs Klugman, Reuben — 0-1 — New York, NY USA
1959 — Krogius, Nikolai V vs Lutikov, Anatoly S — 1/2-1/2 — Voronezh RUS
6.dxc5 — 1.9% (18 parties)
1949 — Blanco Cruz, Wara vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG
1957 — Latko, Alex vs Beerheide Walther — 1-0 — Brakel
1959 — Primavera, Roberto vs Wostyn, Hendrik — 0-1 — Muenchenstein/Basel
1994 — Selvas Aguirre, Silverio vs Gonzalez, Roberto — 0-1 — MEX
1996 — Volak, Michal vs Munk, Lubomir — 1-0 — Stary Smokovec SVK
6.Bd2 — 0.3% (3 parties)
1958 — Reshevsky, Samuel vs Margolits, Z. — 0-1 — Haifa simultaan
1964 — Cuneo, Raymond J vs Leidner, Mike — 0-1 — Oakland
1993 — Zobel, Wolfgang vs Kahsnitz Hans — 0-1 — CIF TT-93-0206A