E66b - 8…Na5 9.Nd2 - Fianchetto Yugoslav Panno

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E66b — Fianchetto Yugoslav Panno
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O Nc6 8.d5 Na5 9.Nd2
Les coups candidats
Ambassadeurs : Krallmann, Matthias (12x), Freisler, Pavel (12x), Toth-Goczo, Melinda (12x), Byrne, Ray (8x), Tibensky, Robert (8x), Ghitescu, Theodor (7x), Yanofsky, Daniel Abraham (6x), Ivkov, Borislav (6x)
Ambassadeurs : Vukic, Milan (15x), Bukic, Enver (8x), Gufeld, Eduard (8x), Huebner, Robert (7x), Sziva, Erika (7x), Halasz, Tamas (7x), Gligorić, Svetozar (6x), Gligoric, Svetozar (6x)
9…e6 — 9.2% (354 parties)
Ambassadeurs : Kairbekova, Amina (5x), Deforel, Jorge Eduardo (4x), Herraiz Hidalgo, Herminio (3x), Woodward, Andy (3x), Voit, Daria (3x), Yakimova, Mariya (3x), Korley, Kassa (3x), Goldenberg, Edgardo (2x)
9…Rb8 — 6.0% (233 parties)
Ambassadeurs : Balogh, Tomas (3x), Jobava, Baadur (3x), Najdorf, Miguel (2x), Behrensen, Joern (2x), Poliak, Evsey (2x), Avedisian, Alexander (2x), Kottnauer, Cenek (1x), Davie, Alexander M (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…a6 9…e5 9…e6 9…Rb8
<1800 46 54% 9% 11% 4%
1800-2200 996 64% 10% 11% 7%
2200-2600 2001 60% 21% 10% 5%
2600+ 27 56% 37% 4% 4%
Évolution par décennie (% des parties)
Décennie N parties 9…a6 9…e5 9…e6 9…Rb8
1950s 87 62% 15% 7% 8%
1960s 156 53% 26% 6% 6%
1970s 234 45% 45% 2% 3%
1980s 381 59% 32% 2% 4%
1990s 994 64% 22% 4% 6%
2000s 846 63% 17% 4% 9%
2010s 812 67% 8% 11% 6%
2020s 349 44% 3% 46% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…a6 67% 44% ▼ -22.6%
9…e5 8% 3% ▼ -5.1%
9…e6 11% 46% ▲ +35.1%
9…Rb8 6% 3% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 5 parties
Kasparov, Garry — 4 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
9…a6 — 60.7% (2342 parties)
1950 — Salm, Maxwell vs Brown Chauran, William Antonio — 1-0 — Queensland ch
1950 — Ilivitsky, Georgy A vs Borisenko, Georgy K — 0-1 — URS-ch sf Tula
1950 — Simagin, Vladimir vs Borisenko, Georgy K — 1-0 — Ch URS (1/2 final), Tula RUS
1952 — Kashdan, Isaac vs Gligorić, Svetozar — 0-1 — Hollywood
1952 — Flohr, Salo vs Borisenko Georgy K — 1-0 — Ch URS (1/2 final), Minsk (Be
9…e5 — 18.9% (729 parties)
1957 — Larsen, Bent Ravn vs Gligorić, Svetozar — 0-1 — Dallas, TX USA
1957 — Larsen, Benjamin Holsko vs Gligoric, Sofija — 0-1 — Dallas, TX USA
1958 — Byvshev, Vasily vs Osnos, Viatcheslav — 1-0 — Tashkent ch URS sf
1958 — Foguelman, Alberto vs Sanguinetti, Raul — 1/2-1/2 — Buenos Aires ARG
1958 — Dunkelblum, Arthur vs Reshevsky, Samuel — 1/2-1/2 — Haifa/Tel Aviv
9…e6 — 9.2% (354 parties)
1955 — Kondratiev, Pavel E vs Furman, Semyon — 1-0 — Leningrad RUS
1956 — Petrosian, Tigran V. vs Gligorić, Svetozar — 0-1 — Belgrade SRB
1956 — Petrosian, Tigran V. vs Gligoric, Svetozar — 0-1 — Belgrade SRB
1957 — Turner, Abe J vs Reshevsky, Samuel — 0-1 — New York, NY USA
1958 — Lombardy, William J vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
9…Rb8 — 6.0% (233 parties)
1954 — Esposito, Alfredo vs Idigoras Guisasola, Gregorio — 1-0 — Buenos Aires ARG
1954 — Fenoglio, Virgilio vs Sanguinetti, Renato — 1-0 — Buenos Aires ARG
1955 — Byrne, Donald vs Colby, K. — 1-0 — Long Beach, CA USA
1957 — Najdorf, Miguel vs Behrensen, Jorge — 1-0 — ?
1957 — Najdorf, Miguel vs Behrensen, Joern — 1-0 — Mar del Plata ARG