E68l - 9.b3 - Fianchetto, Classical (1943)

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E68l — Fianchetto, Classical (1943)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.b3
Les coups candidats
9…Re8 — 46.1% (799 parties)
Ambassadeurs : Stohl, Igor (11x), Pigusov, Evgeny (8x), Krallmann, Matthias (7x), Vukic, Milan (6x), Baburin, Alexander (5x), Portisch, Ferenc (4x), Szekely, Peter (4x), Terekhov, Andrey (4x)
9…exd4 — 30.2% (523 parties)
Ambassadeurs : Stohl, Igor (11x), Ilincic, Zlatko (6x), Kurajica, Bojan (5x), Bagaturov, Giorgi (5x), Gruen, Gerd-Peter (4x), Badea, Bela (4x), Pigusov, Evgeny (4x), Akopian, Vladimir (4x)
9…Qb6 — 10.9% (189 parties)
Ambassadeurs : Kotronias, Vasilios (18x), Tukmakov, Vladimir B (3x), Guevara Pijoan, Josep (3x), Deforel, Jorge Eduardo (3x), Autenrieth, Michael, Dr. (2x), Kruppa, Yuri (2x), Lesiege, Alexandre (2x), Relange, Eloi (2x)
9…a6 — 3.6% (63 parties)
Ambassadeurs : Har-Zvi, Ronen (3x), Loginov, Valery A (3x), Iuldachev, Saidali (3x), Hendriks, Willy (3x), Baburin, Alexander (2x), Vadasz, Laszlo (2x), Wojtkiewicz, Aleksander (2x), Tregubov, Pavel V. (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Re8 9…exd4 9…Qb6 9…a6
<1800 52 48% 23% 6% 6%
1800-2200 481 53% 23% 12% 1%
2200-2600 1003 43% 34% 11% 5%
2600+ 28 25% 29% 36% 11%
Évolution par décennie (% des parties)
Décennie N parties 9…Re8 9…exd4 9…Qb6 9…a6
1950s 17 41% 35% — —
1960s 14 64% 29% — —
1970s 24 33% 50% 8% —
1980s 138 53% 36% 6% 1%
1990s 570 44% 36% 8% 3%
2000s 436 47% 26% 12% 5%
2010s 472 46% 25% 15% 4%
2020s 62 42% 24% 16% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Re8 46% 42% ▼ -4.3%
9…exd4 25% 24% ▼ -1.2%
9…Qb6 15% 16% ▲ +0.9%
9…a6 4% 3% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 6 parties
Gukesh D — 1 partie
Parties historiques
9…Re8 — 46.1% (799 parties)
1950 — Eugenio, Sarah De Oliveira vs Stalda, Giuseppe — 1/2-1/2 — Venice ITA
1953 — Shamaev, Leonid vs Kasparian, Genrikh — 1-0 — Rostov on Don
1954 — Kara, Neman vs Bruce, Rowena M — 0-1 — Nottingham ch-BCF
1956 — Thibaut, Georges vs Restrepo, Guillermo — 1-0 — ?
1958 — Garcia Vera, Romeo vs Eliskases, Erich — 0-1 — Argentina
9…exd4 — 30.2% (523 parties)
1950 — Eken, Max vs Bosch van Rosenthal, Edzard — 1-0 — Amsterdam ch-NED
1950 — GIDEON SUNDAY vs Boleslavsky, Isaac — 1/2-1/2 — Budapest HUN
1950 — GIDEON SUNDAY vs Boleslavsky, Isaac — 1/2-1/2 — Budapest HUN
1952 — Kunitz, R. vs Sadlowski, Lukasz — 0-1 — corr USA
1953 — Herbin, J vs Reichel, Ewald — 0-1 — Copenhagen DEN
9…Qb6 — 10.9% (189 parties)
1976 — Petran, Pal vs Hazai, Laszlo Dr. — 1/2-1/2 — Hungary ch
1977 — Tukmakov, Vladimir B vs Kochyev, Alexander — 1-0 — Baku AZE
1981 — Mochalov, Evgeny V vs Vetemaa, Juri — 1/2-1/2 — Minsk BLR
1984 — Gudmundsson, Elvar vs Angantysson, Haukur — 0-1 — Grindavik
1985 — Autenrieth, Michael, Dr. vs Seibold, Hubert, Dr. — 0-1 — Zirndorf
9…a6 — 3.6% (63 parties)
1986 — Hjartarson, Johann vs Strauss, David — 1-0 — London ENG
1987 — McNab, Colin A vs Buchanan, Walter F. — 1-0 — Hamilton
1991 — Davies, Nigel R vs Markzon, Gregory — 0-1 — New York open
1992 — Schlosser, Philipp vs Mainka, Romuald — 1/2-1/2 — Munchen open
1992 — Vadasz, Laszlo vs Loginov, Vladimir — 1/2-1/2 — Kecskemet HUN