E66d - 9…e5 - Fianchetto, Yugoslav Panno (1957)

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E66d — Fianchetto, Yugoslav Panno (1957)
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 e5
Les coups candidats
10.a3 — 33.2% (243 parties)
Ambassadeurs : Gligoric, Sofija (3x), Gufeld, Eduard (3x), Stefanov, Josif Jovchev (2x), Tiemann, Christoph (2x), Vaganian, Rafael A (2x), Sziva, Erika (2x), Sahlender, Frank (2x), Butti, Enrique (2x)
10.e4 — 32.5% (238 parties)
Ambassadeurs : Vukic, Milan (15x), Velimirovic, Dragoljub (6x), Geller, Efim P. (5x), Gligoric, Sofija (5x), Gufeld, Eduard (5x), Smejkal, Jan (5x), Halasz, Tamas (4x), Huebner, Robert (3x)
10.Qc2 — 13.8% (101 parties)
Ambassadeurs : Plachetka, Jan (3x), Vukic, Milan (2x), Gligoric, Sofija (2x), Bukic, Enver (2x), Zhuravlev, Valery Ivanovich (2x), Donner, Jan-Hein (1x), Gligorić, Svetozar (1x), Kirilov, Valentins (1x)
10.b3 — 13.7% (100 parties)
Ambassadeurs : Csom, Istvan (3x), Gutman, Lev (3x), Kasparov, Garry (3x), Sigurjonsson, Gudmundur (2x), Berta, Botond (2x), Deak, Sandor (2x), Byvshev, Vasily (1x), Osnos, Viatcheslav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.a3 10.e4 10.Qc2 10.b3
<1800 11 36% 55% — —
1800-2200 141 45% 20% 9% 16%
2200-2600 440 30% 34% 16% 14%
2600+ 8 25% — 12% 62%
Évolution par décennie (% des parties)
Décennie N parties 10.a3 10.e4 10.Qc2 10.b3
1950s 12 58% 25% — 8%
1960s 40 38% 28% 20% 5%
1970s 105 27% 34% 12% 19%
1980s 122 28% 43% 11% 15%
1990s 223 33% 35% 14% 11%
2000s 145 34% 27% 19% 12%
2010s 69 41% 20% 9% 22%
2020s 16 50% 25% 6% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.a3 41% 50% ▲ +9.4%
10.e4 20% 25% ▲ +4.7%
10.Qc2 9% 6% ▼ -2.4%
10.b3 22% 12% ▼ -9.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
10.a3 — 33.2% (243 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 — Kalotay, Andrew vs Yanofsky, Daniel Abraham — 0-1 — Winnipeg CAN
1959 — Olafsson, Fridrik vs Fischer, Robert J — 1/2-1/2 — Bled/Zagreb/Belgrade
1959 — Stefanov, Josif Jovchev vs Kuettner, Uwe — 0-1 — Muenchenstein/Basel
10.e4 — 32.5% (238 parties)
1958 — Faleg, Alberto vs Sanguinetti, Raul — 1/2-1/2 — Argentina
1959 — Faleg, Alberto vs Garcia, Eder Raimundo — 0-1 — Buenos Aires CAVC In
1959 — Espinosa Flores, Rafael Emilio vs Dominguez, Cristobal — 1-0 — Argentina
1961 — Reuben, Stewart vs Barden, Leonard — 0-1 — Aberystwyth
1961 — Pachman, Ludek vs Gligoric, Sofija — 0-1 — It Bled SLO
10.Qc2 — 13.8% (101 parties)
1962 — Korchnoi, Viktor vs Bertok, Mario Jr. — 1-0 — Stockholm izt
1962 — Matanovic, Aleksandar vs De Greif, Boris — 1-0 — Havana CUB
1963 — Kirilov, Valentins vs Zelinsky, Yuri — 1/2-1/2 — Riga LAT
1963 — Joyner, Lionel vs Kalotay, Andrew — 1/2-1/2 — Winnipeg CAN
1966 — Donner, Jan-Hein vs Gligorić, Svetozar — 1/2-1/2 — Den Haag zt
10.b3 — 13.7% (100 parties)
1958 — Byvshev, Vasily vs Osnos, Viatcheslav — 1-0 — Tashkent UZB
1966 — Bjornsson, Tomas vs Hohler, Peter — 0-1 — Orebro SWE
1969 — Bak, Istvan vs Gligorić, Svetozar — 1-0 — Buesum
1970 — Wright, Daniel vs Barden, Leonard — 0-1 — Glasgow SCO
1970 — Unzicker, Ferdinand, Dr. vs Bertok, Mario Jr. — 1/2-1/2 — Bari it Bari ITA