A63f - 11.a4 - Fianchetto (1954)

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A63f — Fianchetto (1954)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 10.Nd2 a6 11.a4
Les coups candidats
Ambassadeurs : Cebalo, Miso (8x), Ilincic, Zlatko (7x), Mikhalevski, Victor (6x), Glavina, Pablo (5x), Allawi Rawlings (5x), Adeyemi, Phebe Adesinuola (4x), Ermenkov, Evgenij (3x), Tal, Mikhail (3x)
11…Rb8 — 18.9% (229 parties)
Ambassadeurs : Jezek, Jaroslav (3x), Kapengut, Albert (3x), Birnboim, Nathan (3x), Donner, Jan-Hein (2x), Littlewood, John E (2x), Wood, Baruch (2x), Smyslov, Vasily (2x), Velimirovic, Dragoljub (2x)
11…Ne8 — 5.0% (61 parties)
Ambassadeurs : Marovic, Drazen (6x), Kovacevic, Aleksandar (3x), Cebalo, Miso (2x), Benko, Pal (2x), Browne, Walter Shawn (2x), Velimirovic, Dragoljub (2x), Heinbuch, Detlef Ulrich (2x), Schulte, Oliver (2x)
11…Nh5 — 3.6% (44 parties)
Ambassadeurs : De Firmian, Nick (3x), Alexopoulos, Georgios 94 (2x), Reefschlaeger, Helmut, Dr. (1x), Kindermann, Stefan (1x), Youngworth, Perry (1x), Magrin, Antonio (1x), Zuckerman, Bernard (1x), Birnboim, Nathan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Re8 11…Rb8 11…Ne8 11…Nh5
<1800 24 71% 17% — —
1800-2200 325 62% 21% 4% 2%
2200-2600 648 69% 15% 5% 5%
2600+ 14 57% 21% 7% 7%
Évolution par décennie (% des parties)
Décennie N parties 11…Re8 11…Rb8 11…Ne8 11…Nh5
1950s 26 27% 69% 4% —
1960s 34 12% 68% 12% —
1970s 114 61% 20% 11% 4%
1980s 161 68% 17% 6% 5%
1990s 196 61% 21% 6% 3%
2000s 277 70% 16% 4% 4%
2010s 383 74% 12% 3% 4%
2020s 23 57% 26% 9% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Re8 74% 57% ▼ -17.6%
11…Rb8 12% 26% ▲ +13.8%
11…Ne8 3% 9% ▲ +5.8%
11…Nh5 4% 4% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Parties historiques
11…Re8 — 65.9% (800 parties)
1953 — Eken, Max vs Kotov, Alexander — 1-0 — Zurich SUI
1955 — Rossolimo, Nicolas vs Sherwin, James T — 1-0 — Long Beach, CA USA
1955 — Donner, Jan-Hein vs Esposito, Alfredo — 1-0 — Buenos Aires ARG
1956 — Szabo, Laszlo vs Unzicker, Ferdinand, Dr. — 1-0 — Moskou olm
1956 — Sanguinetti, Raul vs Wexler, Bernardo — 1-0 — Mar del Plata ARG
11…Rb8 — 18.9% (229 parties)
1954 — Donner, Jan-Hein vs Filip, Miroslav — 0-1 — Amsterdam olm
1954 — Smyslov, Vasily vs Pachman, Ludek — 1/2-1/2 — Amsterdam NED
1954 — Smyslov, Vasily vs Pachman Ludek — 1/2-1/2 — Olympiad, Amsterdam NED
1954 — Donner, Jan-Hein vs Keres, Paul — 0-1 — Hastings ENG
1955 — Eliskases, Erich vs Wexler, Francisco — 0-1 — Buenos Aires ARG
11…Ne8 — 5.0% (61 parties)
1956 — Horowitz, Albert Israel vs Rapaka Samuel Paul — 0-1 — New York, NY USA
1963 — Marovic, Drazen vs Udovcic, Mijo — 1/2-1/2 — Zenica ch YUG
1964 — Marovic, Ante vs Udovcic, Tibor — 1/2-1/2 — Yugoslavia
1967 — Marovic, Drazen vs Cebalo, Miso — 1-0 — Yugoslavia
1967 — Marovic, Drazen vs Cebalo, Miso — 1-0 — YUG
11…Nh5 — 3.6% (44 parties)
1970 — Magrin, Antonio vs Zuckerman, Bernard — 0-1 — Bari it Bari ITA
1970 — Marovic, Drazen vs Nicevski, Risto — 1/2-1/2 — Skopje MKD
1978 — Trikaliotis, Georgios vs Alexopoulos, Georgios 94 — 1/2-1/2 — Athens ch-GRE sf
1978 — Cvitan, Ognjen vs Alexopoulos, Georgios 94 — 0-1 — Baile Herculane
1981 — Youngworth, Perry vs De Firmian, Nick — 0-1 — Lone Pine open