E46f - 6.a3 Bd6 - Nimzo-Indian Defense: Simagin Variation (1937)

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E46f — Simagin Variation (1937)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Bd6
Les coups candidats
7.Ng3 — 46.2% (716 parties)
Ambassadeurs : Eggleston, David J (7x), Fier, Alexandr (7x), Sowray, Peter J (6x), Graf, Alexander (5x), Cumming, David R (5x), Sands, David A (5x), Sjodahl, Pontus (5x), Roubalik, Jakub (4x)
7.c5 — 41.5% (644 parties)
Ambassadeurs : Simagin, Vladimir (5x), Costachi, Mihnea (5x), Brodsky, Michail (4x), Mendonca, Leon Luke (4x), Bisguier, Arthur B (3x), Saidy, Anthony (3x), Aleksandrov, Aleksej (3x), Epishin, Vladimir (3x)
7.cxd5 — 10.4% (162 parties)
Ambassadeurs : Van Elst, Andreas (2x), Naiditsch, Arkadij (2x), Tran Minh Thang (2x), Nguyen Van Huy (2x), Tal, Mikhail (1x), Bronstein, David I (1x), Mohrlok, Dieter (1x), Eisinger, Max Jr (1x)
7.Nf4 — 0.7% (11 parties)
Ambassadeurs : Graw, Christopher, Dr. (2x), Braun, Arik (2x), Santos (1x), Weseman, Frans J G (1x), Matsuura, Everaldo (1x), Delgado Ramirez, Neuris (1x), Sarrau, Jelle (1x), Weiss, Walter (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Ng3 7.c5 7.cxd5 7.Nf4
<1800 31 52% 45% 3% —
1800-2200 481 49% 38% 11% 0%
2200-2600 908 46% 41% 11% 1%
2600+ 76 38% 54% 8% —
Évolution par décennie (% des parties)
Décennie N parties 7.Ng3 7.c5 7.cxd5 7.Nf4
1950s 7 14% 57% 29% —
1960s 18 11% 89% — —
1970s 13 8% 77% 15% —
1980s 23 22% 65% 9% —
1990s 59 25% 64% 8% —
2000s 243 27% 58% 13% 0%
2010s 1066 54% 34% 10% 1%
2020s 122 43% 48% 9% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Ng3 54% 43% ▼ -11.3%
7.c5 34% 48% ▲ +13.7%
7.cxd5 10% 9% ▼ -1.2%
7.Nf4 1% 0% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Kramnik, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
7.Ng3 — 46.2% (716 parties)
1956 — Copping, Arthur David William vs Kitto, Francis E A — 0-1 — Paignton
1960 — Rodriguez Gonzales, Jesus vs Bisguier, Arthur B — 0-1 — Leipzig GER
1961 — Wade, Robert G vs Bisguier, Arthur B — 1/2-1/2 — Hastings ENG
1971 — Minev, Nikolay N vs Tompa, Janos — 1-0 — Baja
1984 — Piket, Jeroen vs Van Baarle, John — 1-0 — Amsterdam OHRA II
7.c5 — 41.5% (644 parties)
1952 — Aadhitha Karikalan vs Matanovic, Aleksandar — 1/2-1/2 — Belgrade SRB
1954 — Schroeder, Raymond vs Bauza, Lorenzo — 1-0 — Mar del Plata ARG
1956 — Ghitescu, Theodor vs Aadhitha Karikalan — 1-0 — Moskou olm
1959 — Lutikov, Anatoly S vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1960 — Peterson, Andrejs vs Simagin, Vladimir — 1/2-1/2 — Vilnius LTU
7.cxd5 — 10.4% (162 parties)
1958 — Tal, Mikhail vs Bronstein, David I — 1/2-1/2 — Portoroz SLO
1958 — Mohrlok, Dieter vs Eisinger, Max Jr — 1/2-1/2 — Bad Landau
1977 — Byrne, Robert E vs Zuckerman, Bernard — 1/2-1/2 — Mentor ch-USA
1977 — Segal, Alexandru Sorin vs Rocha, Antonio — 1/2-1/2 — Sao Paulo Sao Paulo BRA
1984 — Fedorowicz, John vs Browne, Walter Shawn — 1/2-1/2 — New York Int
7.Nf4 — 0.7% (11 parties)
2008 — Santos vs Weseman, Frans J G — 1/2-1/2 — ?
2011 — Graw, Christopher, Dr. vs Sowray, Peter J — 0-1 — Barcelo Hotel, Hinckley Island
2013 — Matsuura, Everaldo vs Delgado Ramirez, Neuris — 1/2-1/2 — Porto Alegre BRA
2013 — Graw, Christopher, Dr. vs Sarrau, Jelle — 0-1 — GER
2013 — Braun, Arik vs Weiss, Walter — 1-0 — Eppingen GER