E69a - 9…* - Fianchetto, Classical (1938)

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E69a — Fianchetto, Classical (1938)
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.h3
Les coups candidats
Ambassadeurs : Senzacqua, Fabrizio (17x), Miguel, Nahuel (13x), Marovic, Drazen (13x), Uhlmann, Wolfgang (13x), Conterno, Dominique (13x), Geller, Efim P. (11x), Mason, Ian J (10x), Portisch, Lajos (9x)
Ambassadeurs : Pott, Brian (15x), Portisch, Ferenc (9x), Fancsy, Imre (6x), Csulits, Anton (6x), Banikas, Hristos (5x), Greenfeld, Alon (5x), Ivkov, Borislav (4x), Tatai, Stefano (4x)
Ambassadeurs : Strikovic, Aleksa (7x), Rapaka Samuel Paul (5x), Fancsy, Imre (5x), Konopka, Michal (5x), Barlov, Dragan (4x), Borriss, Claudia (4x), Hillarp Persson, Tiger (4x), Cuellar Gacharna, Miguel (3x)
Ambassadeurs : ? (21x), McNab, Colin A (11x), Oratovsky, Michael (11x), Polugaevsky, Lev (10x), Soltis, Andrew (7x), Podgaets, Mikhail (5x), Guimard, Carlos E (5x), Ippolito, Dean (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Qb6 9…Re8 9…exd4 9…Qa5
<1800 353 41% 19% 10% 8%
1800-2200 4110 32% 26% 10% 6%
2200-2600 5282 39% 20% 13% 11%
2600+ 72 46% 17% 6% 24%
Évolution par décennie (% des parties)
Décennie N parties 9…Qb6 9…Re8 9…exd4 9…Qa5
1950s 252 13% 27% 16% 10%
1960s 371 31% 17% 8% 21%
1970s 423 43% 23% 6% 11%
1980s 760 47% 20% 9% 6%
1990s 2951 39% 21% 12% 6%
2000s 2653 32% 24% 12% 8%
2010s 3348 36% 23% 11% 11%
2020s 748 30% 22% 11% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Qb6 36% 30% ▼ -6.1%
9…Re8 23% 22% -0.2%
9…exd4 11% 11% -0.2%
9…Qa5 11% 11% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 7 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie
Parties historiques
9…Qb6 — 35.7% (4110 parties)
1951 — Keller, Hanna vs Wade, Robert G — 1/2-1/2 — Reggio Emilia ITA
1951 — Enevoldsen, Jens vs Ravn, Palle — 1-0 — Copenhagen DEN
1952 — Geller, Efim P. vs Wade, Robert G — 1-0 — Saltsjobaden SWE
1953 — Bulat, Ante vs Bogdanovic, Rajko — 0-1 — Zagreb CRO
1954 — Toran Albero, Roman vs Wade, Robert G — 1-0 — Munich GER
9…Re8 — 22.2% (2557 parties)
1950 — Bolbochan, Julio vs Schmid, Lothar — 1-0 — Dubrovnik olm
1950 — Schmid, Lothar vs Niephaus, Walter — 1-0 — Wiesbaden GER
1950 — Fridstein, German vs Petrosian, Tigran V. — 1/2-1/2 — Moscow RUS
1950 — Schmid, Lothar vs Niephaus, Walter — 1-0 — Wiesbaden GER
1951 — Muilwijk, Jaap vs Beye — 1-0 — Netherlands tt
9…exd4 — 11.2% (1293 parties)
1950 — Szabo, Laszlo vs Lilienthal, Andor — 0-1 — Budapest HUN
1950 — Pirc, Dora vs Skold, Kent-Ake — 1-0 — YUG-Sweden
1950 — Bosch van Rosenthal, Edzard vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1950 — Eken, Max vs Barda, Olaf — 1/2-1/2 — Nederland radio
1950 — Füster, Géza vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
9…Qa5 — 8.8% (1017 parties)
1953 — Cuellar Gacharna, Miguel vs Jauregui, Carlos — 1/2-1/2 — Mar del Plata ARG
1953 — Guimard, Carlos E vs Jauregui, Carlos — 1/2-1/2 — Mar del Plata ARG
1954 — Guimard, Carlos E vs Boleslavsky, Isaac — 1-0 — USSR vs Argentina
1954 — Batalla, Gimar Jr vs Boleslavsky, Isaac — 1/2-1/2 — Buenos Aires ARG
1954 — Guimard, Carlos E vs Boleslavsky, Isaac — 1/2-1/2 — Buenos Aires ARG