E66b - 9.Nd2 - Fianchetto, Yugoslav Panno (1954)

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E66b — Fianchetto, Yugoslav Panno (1954)
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 : Toth-Goczo, Melinda (12x), Freisler, Pavel (11x), Byrne, Robert E (9x), Ghitescu, Theodor (7x), Yanofsky, Daniel Abraham (6x), Bergraser, Volf (6x), Ivkov, Borislav (6x), Voyska, Margarita (6x)
Ambassadeurs : Vukic, Milan (17x), Gligoric, Sofija (8x), Gufeld, Eduard (8x), Huebner, Robert (6x), Bukic, Enver (6x), Velimirovic, Dragoljub (6x), Quinteros, Miguel A. (6x), Halasz, Tamas (6x)
9…e6 — 10.5% (418 parties)
Ambassadeurs : Kairbekova, Amina (5x), Filip, Miroslav (3x), Herraiz Hidalgo, Herminio (3x), Goldenberg, Edgardo (2x), Petrosian, Tigran V. (2x), Gligoric, Svetozar (2x), Bernal Moro, Luis Javier (2x), Gallego Jimenez, Victoriano (2x)
9…Rb8 — 5.9% (235 parties)
Ambassadeurs : Behrensen, Jorge (2x), Poliak, Evsey (2x), Jobava, Baadur (2x), Urytskyy, Arkadiy (2x), Avedisian, Alexander (2x), Esposito, Alfredo (1x), Idigoras Guisasola, Gregorio (1x), Faleg, Alberto (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 100 55% 11% 9% 8%
1800-2200 1232 62% 12% 13% 6%
2200-2600 2025 59% 22% 11% 6%
2600+ 22 50% 36% 9% 5%
Évolution par décennie (% des parties)
Décennie N parties 9…a6 9…e5 9…e6 9…Rb8
1950s 85 64% 14% 7% 7%
1960s 156 53% 26% 6% 6%
1970s 234 45% 45% 2% 3%
1980s 383 60% 32% 2% 4%
1990s 998 64% 22% 4% 6%
2000s 849 63% 17% 4% 10%
2010s 816 67% 8% 11% 6%
2020s 461 42% 3% 49% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…a6 67% 42% ▼ -25.5%
9…e5 8% 3% ▼ -5.0%
9…e6 11% 49% ▲ +37.9%
9…Rb8 6% 3% ▼ -3.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 4 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Parties historiques
9…a6 — 60.0% (2389 parties)
1950 — Simagin, Vladimir vs Borisenko, Georgy K — 1-0 — Ch URS (1/2 final), Tula RUS
1950 — Salm, Maxwell vs Brown, Walker Blake — 1-0 — Queensland ch
1950 — Ilivitsky, Georgy A vs Borisenko, Georgy K — 0-1 — URS-ch sf Tula
1952 — Flohr, Salo vs Borisenko Georgy K — 1-0 — Ch URS (1/2 final), Minsk (Be
1952 — Kashdan, Isaac vs Gligoric, Sofija — 0-1 — Hollywood
9…e5 — 18.4% (734 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 UZB
1958 — Kalotay, Andrew vs Yanofsky, Daniel Abraham — 0-1 — Winnipeg CAN
1958 — Faleg, Alberto vs Sanguinetti, Raul — 1/2-1/2 — Argentina
9…e6 — 10.5% (418 parties)
1955 — Efimov, Kondrat vs Furman, Semyon — 1-0 — Leningrad RUS
1956 — Petrosian, Tigran V. vs Gligoric, Svetozar — 0-1 — Belgrade SRB
1956 — Petrosian, Tigran V. vs Gligoric, Svetozar — 0-1 — ?
1957 — Turner, Abe J vs Rapaka Samuel Paul — 0-1 — New York ch-USA
1958 — Lombardy, William J vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
9…Rb8 — 5.9% (235 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, Kellan Adam — 1-0 — Long Beach, CA USA
1957 — Miguel, Nahuel vs Behrensen, Jorge — 1-0 — Mar del Plata ARG
1958 — Poliak, Evsey vs Satz — 1-0 — Kiev UKR