E55d - 9.Qe2 - Main Line Bronstein [+0.16]

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E55d — Main Line Bronstein
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 Nbd7 9.Qe2
Eval: [+0.16]
Les coups candidats
Ambassadeurs : Knaak, Rainer (14x), Farago, Ivan (14x), Kholmov, Ratmir D (10x), Suba, Mihai (9x), Legemaat, Gert (9x), Estrin, Yakov (8x), Ribli, Zoltan (8x), Parma, Bruno (7x)
Ambassadeurs : Donner, Jan-Hein (6x), Portisch, Ferenc (5x), Antoshin, Vladimir S (4x), Panno, Oscar (4x), Thorbergsson, Freysteinn (4x), Unzicker, Wolfgang (4x), Balashov, Yuri (4x), Boleslavsky, Isaac (3x)
9…cxd4 — 15.7% (235 parties)
Ambassadeurs : Kholmov, Ratmir D (4x), Panno, Oscar (3x), Kozma, Julius (3x), Portisch, Lajos (3x), Hnatovsky, Nicholas (3x), Trevis, Robert (3x), Todorovic, Nenad I (3x), Farago, Ivan (2x)
9…Qe7 — 1.3% (19 parties)
Ambassadeurs : Ilivitsky, Georgy A (1x), Lisitsin, Georgy (1x), Spassky, Boris Vasily (1x), Reshevsky, Samuel (1x), Weinstein, Raymond (1x), Byrne, Ray (1x), Zsinka, Laszlo (1x), Mencinger, Vojko (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…b6 9…a6 9…cxd4 9…Qe7
<1800 17 59% 12% 18% 6%
1800-2200 331 67% 13% 19% 1%
2200-2600 703 62% 19% 17% 1%
2600+ 45 53% 22% 20% 4%
Évolution par décennie (% des parties)
Décennie N parties 9…b6 9…a6 9…cxd4 9…Qe7
1940s 1 — — — 100%
1950s 47 49% 34% 13% 2%
1960s 121 39% 51% 8% 1%
1970s 91 43% 44% 13% —
1980s 118 69% 20% 11% —
1990s 140 67% 16% 15% 1%
2000s 472 70% 10% 19% 1%
2010s 471 64% 17% 17% 2%
2020s 34 56% 21% 21% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…b6 64% 56% ▼ -7.8%
9…a6 17% 21% ▲ +3.4%
9…cxd4 17% 21% ▲ +4.0%
9…Qe7 2% 3% ▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 3 parties
Carlsen, Magnus — 3 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Euwe, Max — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9…b6 — 62.4% (933 parties)
1956 — Wade, Robert G vs Balanel, Ion — 1/2-1/2 — Marianske Lazne
1956 — Najdorf, Miguel vs Padevsky, Nikola — 1/2-1/2 — Moscow olm fin-A
1956 — Ivkov, Borislav vs Benko, Pal — 0-1 — Moscow RUS
1956 — Gligorić, Svetozar vs Unzicker, Wolfgang — 1-0 — Moscow RUS
1957 — Panno, Oscar vs Martinez, A. — 1-0 — Buenos Aires ARG
9…a6 — 20.1% (300 parties)
1955 — Udovcic, Mijo vs Karaklajic, Nikola — 1-0 — Zagreb CRO
1955 — Minev, Nikolay N vs Karaklajic, Nikola — 1/2-1/2 — Zagreb CRO
1956 — Middleton, Ian vs Karaklajic, Nikola — 0-1 — Moscow RUS
1957 — Geller, Efim P. vs Boleslavsky, Isaac — 1/2-1/2 — Kiev UKR
1957 — Turner, Abe J vs Bisguier, Arthur B — 1-0 — New York, NY USA
9…cxd4 — 15.7% (235 parties)
1956 — Mikenas, Vladas vs Khasin, Abram — 0-1 — Leningrad RUS
1957 — Panno, Oscar vs Albert, Horacio — 1-0 — ?
1957 — Panno, Oscar vs Albert Seguer, Eladio — 1-0 — Mar del Plata ARG
1957 — Averbach, J vs Estrin, Yakov — 1-0 — Moskvamasterskapet T
1957 — Bertholdt, Dieter vs Portisch, Lajos — 0-1 — Reykjavik ISL
9…Qe7 — 1.3% (19 parties)
1948 — Ilivitsky, Georgy A vs Lisitsin, Georgy — 1-0 — Moskou ch-URS
1958 — Weinstein, Raymond vs Byrne, Ray — 1/2-1/2 — New York, NY USA
1966 — Spassky, Boris Vasily vs Reshevsky, Samuel — 1/2-1/2 — Santa Monica, CA USA
1998 — Zsinka, Laszlo vs Mencinger, Vojko — 1/2-1/2 — Staatsliga B/Sus
1998 — Giorgadze, Giorgi Gel vs Timoscenko, Gennadij — 1-0 — Bad Woerishofen GER