A63b - 10.Nd2 - Fianchetto (1953)

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A63b — Fianchetto (1953)
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
Les coups candidats
Ambassadeurs : Reefschlaeger, Helmut, Dr. (3x), Nikolic, Predrag (3x), Kozma, Julius (2x), Donner, Jan-Hein (2x), Fiensch, Guenter (2x), Lacrosse, Marc (2x), Piceu, Tom (2x), Golichenko, Ilija (2x)
Ambassadeurs : Donner, Jan-Hein (1x), Pachman, Ludek (1x), Uhlmann, Wolfgang (1x), Larsen, Bent Ravn (1x), Borisenko, Georgy K (1x), Gusakov, Vitaly (1x), Jankovec, Ivan (1x), Pacl, Vaclav (1x)
10…Nh5 — 12.7% (38 parties)
Ambassadeurs : De Firmian, Nick (5x), Ilincic, Zlatko (4x), Djuric, Stefan (2x), Velimirovic, Dragoljub (2x), Kveinys, Aloyzas (2x), Urban, Klaudiusz (2x), Solozhenkin, Evgeniy (2x), Glavina, Pablo (1x)
10…Ne8 — 7.7% (23 parties)
Ambassadeurs : Velimirovic, Dragoljub (5x), Miguel, Nahuel (2x), Portisch, Lajos (2x), Aperador Rubio, Ricardo (1x), Lombardy, William J (1x), Garcia, Eder Raimundo (1x), Stachowitz, Rolf (1x), Wolk, Sigmund (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…a6 10…Re8 10…Nh5 10…Ne8
<1800 9 33% 33% — 33%
1800-2200 58 52% 28% 5% 3%
2200-2600 139 29% 29% 24% 5%
2600+ 5 20% 20% 40% 20%
Évolution par décennie (% des parties)
Décennie N parties 10…a6 10…Re8 10…Nh5 10…Ne8
1950s 18 61% 6% — 17%
1960s 17 53% 12% — 29%
1970s 38 34% 21% — 24%
1980s 53 72% 15% 4% 2%
1990s 45 60% 13% 9% 7%
2000s 58 38% 22% 24% 2%
2010s 54 26% 44% 20% —
2020s 17 6% 41% 41% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…a6 26% 6% ▼ -20.0%
10…Re8 44% 41% ▼ -3.3%
10…Nh5 20% 41% ▲ +20.8%
10…Ne8 0% 6% ▲ +5.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Parties historiques
10…a6 — 45.0% (135 parties)
1954 — Donner, Jan-Hein vs Keres, Paul — 0-1 — Hastings ENG
1955 — Eliskases, Erich vs Wexler, Francisco — 0-1 — Buenos Aires ARG
1955 — Donner, Jan-Hein vs Esposito, Alfredo — 1-0 — Buenos Aires ARG
1956 — Sanguinetti, Raul vs Wexler, Bernardo — 1-0 — Mar del Plata ARG
1956 — Borisenko, Georgy K vs Derviz, Oleg — 0-1 — Leningrad RUS
10…Re8 — 23.0% (69 parties)
1954 — Donner, Jan-Hein vs Pachman, Ludek — 0-1 — Hastings ENG
1960 — Borisenko, Georgy K vs Gusakov, Vitaly — 1-0 — Perm RUS
1961 — Uhlmann, Wolfgang vs Larsen, Bent Ravn — 0-1 — Beverwijk NED
1970 — Trmal, Jaroslav vs Joukl, Zdenek — 1-0 — Harrachov
1971 — Partos, Charles vs Pavlov, Mircea-Sergiu-Aurelian — 1/2-1/2 — Bucharest ROU
10…Nh5 — 12.7% (38 parties)
1986 — De Firmian, Nick vs Djuric, Stefan — 1-0 — New York, NY USA
1986 — Djuric, Stefan vs De Firmian, Nick — 1-0 — New York, NY USA
1990 — Akopian, Vladimir vs De Firmian, Nick — 1/2-1/2 — Moscow RUS
1993 — Glavina, Pablo vs De Firmian, Nick — 1-0 — Oviedo rapid
1998 — Ilincic, Zlatko vs Velimirovic, Dragoljub — 0-1 — Belgrade ch-YUG
10…Ne8 — 7.7% (23 parties)
1955 — Stachowitz, Rolf vs Wolk, Sigmund — 1-0 — Hoechst ch-GER
1957 — Aperador Rubio, Ricardo vs Lombardy, William J — 0-1 — Mar del Plata ARG
1958 — Gorenstein, Rafail Yakovlevich vs Platonov, Igor V — 1/2-1/2 — Kiev UKR
1960 — Borisenko, Georgy K vs Vladimirov, Boris T — 1-0 — Perm RUS
1961 — Portisch, Lajos vs Ivkov, Bojidar — 1/2-1/2 — Beverwijk NED