E66e - 9…a6 - Fianchetto, Yugoslav Panno (1954)

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E66e — 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 a6
Les coups candidats
Ambassadeurs : Freisler, Pavel (11x), Vukic, Milan (8x), Krallmann, Matthias (7x), Ghitescu, Theodor (6x), Ivkov, Borislav (6x), Byrne, Robert E (6x), Csom, Istvan (5x), Forintos, Gyozo V (5x)
Ambassadeurs : Adrian, Claude (9x), Gauglitz, Gernot (6x), Toth-Goczo, Melinda (6x), Voyska, Margarita (5x), Karahmetovic, Adnan (4x), Moehring, Guenther (3x), Byrne, Robert E (3x), Matlak, Marek (3x)
10.a3 — 4.6% (111 parties)
Ambassadeurs : Moiseev, Oleg (1x), Sherbakov, L (1x), Unger, Albert (1x), Tiemann, Christoph (1x), Cuellar Gacharna, Miguel (1x), Yanofsky, Daniel Abraham (1x), Borngaesser, Rene (1x), Schulze, Ulrich (1x)
10.a4 — 3.0% (71 parties)
Ambassadeurs : Lilja, Richard (3x), Winkelmann, Max (2x), Mertens, Gabriel (1x), Slepoy, Yosef (1x), Byvshev, Vasily (1x), Cazzaniga, Walter (1x), Ilic, Dragan (1x), Van Gelder Jan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Qc2 10.Rb1 10.a3 10.a4
<1800 55 65% 15% 11% 5%
1800-2200 767 66% 19% 5% 4%
2200-2600 1195 72% 20% 4% 2%
2600+ 11 55% 36% — 9%
Évolution par décennie (% des parties)
Décennie N parties 10.Qc2 10.Rb1 10.a3 10.a4
1950s 54 61% 11% 13% 2%
1960s 84 90% 4% 4% 1%
1970s 106 84% 7% 6% 2%
1980s 228 74% 16% 3% 2%
1990s 642 75% 18% 3% 2%
2000s 537 65% 23% 5% 2%
2010s 550 67% 18% 6% 5%
2020s 192 61% 26% 4% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Qc2 67% 61% ▼ -6.0%
10.Rb1 18% 26% ▲ +7.9%
10.a3 6% 4% ▼ -2.0%
10.a4 5% 7% ▲ +2.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
10.Qc2 — 70.4% (1684 parties)
1950 — Simagin, Vladimir vs Borisenko, Georgy K — 1-0 — Ch URS (1/2 final), Tula RUS
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
1954 — Gereben, Erno vs Johannsson, Isak Gunnsteinn — 1-0 — Amsterdam olm
1954 — Benko, Pal vs Polijevktov, V — 1-0 — Budapest HUN
10.Rb1 — 18.3% (437 parties)
1954 — Vladimir Sergeevich Saigin vs Tal, Mikhail — 1/2-1/2 — Riga LAT
1956 — Cuellar Gacharna, Miguel vs Uhlmann, Wolfgang — 1/2-1/2 — Moskou olm
1959 — Stefanov, Josif Jovchev vs Hohler, Peter — 1-0 — Muenchenstein/Basel
1959 — Wexler, Bernardo vs Garcia R., Luis Ernesto — 1-0 — Buenos Aires ARG
1959 — Stefanov, Josif Jovchev vs Aahan Sarin — 1/2-1/2 — Muenchenstein/Basel
10.a3 — 4.6% (111 parties)
1950 — Ilivitsky, Georgy A vs Borisenko, Georgy K — 0-1 — URS-ch sf Tula
1954 — Cuellar Gacharna, Miguel vs Yanofsky, Daniel Abraham — 1/2-1/2 — Amsterdam olm
1954 — Alexander Tadala vs Skotorenko, Vasily — 1/2-1/2 — Leningrad ch22-SU sf
1956 — Moiseev, Oleg vs Sherbakov, L — 1-0 — Leningrad RUS
1958 — Fazekas, Stephan vs Wade, Robert G — 0-1 — Leamington
10.a4 — 3.0% (71 parties)
1956 — Slepoy, Yosef vs Byvshev, Vasily — 0-1 — Leningrad RUS
1966 — Winkelmann, Max vs Mertens, Gabriel — 1-0 — Bad Timmendorf
1976 — Winkelmann, Max vs Van Gelder Jan — 1/2-1/2 — Kuortane
1977 — Shamkovich, Leonid vs Fedorowicz, John — 1-0 — New York, NY USA
1981 — Wada, D Russell vs Bogner, Harold — 1-0 — Palo Alto