A55e - 5…Be7 6.g3 c6 7.Bg2 O-O 8.O-O Qc7 [+0.86]

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A55e —
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O Qc7
Eval: [+0.86]
Les coups candidats
9.h3 — 66.0% (417 parties)
Ambassadeurs : Espig, Lutz (4x), Grob, Henry (3x), Gruenfeld, Ernst (2x), Vadasz, Laszlo (2x), Osnos, Viatcheslav (2x), Osbun, Erik (2x), Ricardi, Pablo (2x), Spraggett, Kevin (2x)
9.b3 — 16.5% (104 parties)
Ambassadeurs : Schoenmann, Wilhelm (2x), Rubinstein, Akiba (2x), Chajes, Oscar (2x), Najdorf, Miguel (2x), Manea, Alexandru (2x), Florescu, Codrut-Constantin (2x), Bergkvist, Anders (1x), Ekenberg, Bengt (1x)
9.Re1 — 5.2% (33 parties)
Ambassadeurs : Facchetti, Gianni (2x), Skalik, Przemyslaw (1x), Orzechowski, Jacek (1x), Fuchs, Heinz (1x), von Kiedrowski, Klemens (1x), Leontiev, Aleksandr V. (1x), Aleksikov (1x), Bison, Beniamino (1x)
9.Be3 — 3.0% (19 parties)
Ambassadeurs : Korchnoi, Viktor (2x), Shashin, Boris (2x), Slapikas, Vytautas (2x), Monostori, Lajos (1x), Vajda, Arpad (1x), Andersson, Ulf (1x), Goransson, Rolf (1x), Quinteros, Miguel A. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.h3 9.b3 9.Re1 9.Be3
<1800 9 56% 11% — 11%
1800-2200 247 64% 17% 7% 1%
2200-2600 257 70% 14% 5% 4%
Évolution par décennie (% des parties)
Décennie N parties 9.h3 9.b3 9.Re1 9.Be3
1920s 4 50% 50% — —
1930s 3 33% 67% — —
1940s 7 57% 43% — —
1950s 15 80% 13% — 7%
1960s 20 70% 10% — 10%
1970s 17 71% 24% — 6%
1980s 25 52% 4% 4% 12%
1990s 119 61% 24% 6% 2%
2000s 172 62% 20% 7% 2%
2010s 210 71% 12% 4% 3%
2020s 40 80% — 10% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.h3 71% 80% ▲ +9.0%
9.b3 12% 0% ▼ -12.4%
9.Re1 4% 10% ▲ +5.7%
9.Be3 3% 0% ▼ -2.9%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
9.h3 — 66.0% (417 parties)
1925 — Rubinstein, Akiba vs Przepiorka, Dawid — 1-0 — Marienbad CZE
1925 — Gruenfeld, Ernst vs Kitaeff Mattison, Andres Constantin — 1-0 — Debrecen HUN
1936 — Botvinnik, Mikhail vs Tartakower, Savielly — 1-0 — Nottingham ENG
1947 — Euwe, Max vs Grob, Henry — 1-0 — Zurich SUI
1947 — Gligoric, Svetozar vs Bidev, Pavle — 1-0 — Ljubljana SLO
9.b3 — 16.5% (104 parties)
1923 — Rubinstein, Akiba vs Chajes, Oscar — 1/2-1/2 — Karlsbad Czech Repub
1923 — Rubinstein, Akiba vs Chajes, Oscar — 1/2-1/2 — Carlsbad CZE
1938 — Bergkvist, Anders vs Ekenberg, Bengt — 1/2-1/2 — Stockholm SWE
1938 — Eliskases, Erich vs Kieninger, Georg — 0-1 — Bad Harzburg
1946 — Maicherczyk, Georg vs Schoenmann, Wilhelm — 0-1 — Hamburg GER
9.Re1 — 5.2% (33 parties)
1988 — Skalik, Przemyslaw vs Orzechowski, Jacek — 1/2-1/2 — Bielsko Biala
1995 — Herdin, Hans-Ulrich vs Fischer, Emil — 0-1 — Bayern RLNW
1996 — Leontiev, Aleksandr V. vs Aleksikov — 1-0 — Moscow RUS
1997 — Fuchs, Heinz vs von Kiedrowski, Klemens — 1/2-1/2 — Baunatal GER
1998 — Vernersson, Per vs Nilsson, Bengt — 1-0 — Sweden
9.Be3 — 3.0% (19 parties)
1950 — Monostori, Lajos vs Vajda, Arpad — 1-0 — Budapest HUN
1965 — Korchnoi, Viktor vs Shashin, Boris — 1-0 — Yerevan URS
1965 — Korchnoi, Viktor vs Shashin, Boris — 1-0 — Erevan ARM
1975 — Quinteros, Miguel A. vs Grefe, John A — 1-0 — Cleveland, OH USA
1982 — Andersson, Ulf vs Goransson, Rolf — 1-0 — Simferopol UKR