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A08h — KIA (1950)
1.Nf3 d5 2.g3 c5 3.Bg2 g6 4.O-O Bg7
Les coups candidats
Ambassadeurs : Petran, Pal (2x), Fancsy, Imre (2x), Appel, Ralf (2x), Jirka, Jiri (2x), Szenetra, Werner (2x), Durao, Joaquim (1x), Bergsma, KM. (1x), Petrosian, Aram (1x)
5.d4 — 24.5% (107 parties)
Ambassadeurs : Eberth, Zoltan Bela (2x), Mueller, Helge (1x), Letelier Martner, Rene (1x), Al Husari, Zita Fatima (1x), Lengyel, Levente (1x), Mista, Ladislav (1x), Espig, Lutz (1x), Drozd, Ryszard (1x)
5.c4 — 21.3% (93 parties)
Ambassadeurs : Kvist, Goesta (1x), Jongsma, Alexander (1x), Zhidkov, Valery S (1x), Kapengut, Albert (1x), Borisova, Borislava (1x), Garcia Padron, Jose (1x), Arevalo, Damian (hijo) (1x), Klaic, Marijan (1x)
5.c3 — 2.8% (12 parties)
Ambassadeurs : Kirov, Nino (1x), Ninov, Nikolai (1x), Pirisi, Gabor (1x), Kerek, Csaba (1x), Weil, Otto (1x), Stahl, Gerhard (1x), Majdan, Joanna (1x), Zdziarska-Zareba, Lidia (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.d3 5.d4 5.c4 5.c3
<1800 36 47% 19% 25% 8%
1800-2200 163 52% 25% 21% 2%
2200-2600 163 44% 28% 26% 2%
2600+ 10 30% 40% 30% —
Évolution par décennie (% des parties)
Décennie N parties 5.d3 5.d4 5.c4 5.c3
1950s 4 50% 50% — —
1960s 10 60% 20% 20% —
1970s 13 54% 23% 23% —
1980s 18 44% 28% 28% —
1990s 79 63% 20% 11% 4%
2000s 101 54% 21% 21% 4%
2010s 119 50% 24% 23% 3%
2020s 92 38% 32% 28% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.d3 50% 38% ▼ -12.4%
5.d4 24% 32% ▲ +7.2%
5.c4 23% 28% ▲ +5.6%
5.c3 3% 2% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Parties historiques
5.d3 — 51.1% (223 parties)
1955 — Ragozin, Viacheslav vs Flohr, Salo — 1-0 — Moscow RUS
1956 — Durao, Joaquim vs Bergsma, KM. — 0-1 — Beverwijk NED
1962 — Petrosian, Tigran V. vs Teschner, Rudolf — 1-0 — Stockholm izt
1962 — Hartoch, Robert G vs Tan, Hong Ghee — 1/2-1/2 — ?
1963 — Bilo, Heinz vs Stoppkotte, Gerhard — 1/2-1/2 — Buende
5.d4 — 24.5% (107 parties)
1950 — Mueller, Helge vs Letelier Martner, Rene — 0-1 — Venice ITA
1959 — Drozd, Ryszard vs Swiecicki, Wojciech — 1-0 — Lodz ch POL
1960 — Al Husari, Zita Fatima vs Lengyel, Levente — 1/2-1/2 — Balatonfured it
1969 — Mista, Ladislav vs Espig, Lutz — 1/2-1/2 — Zinnowitz GER
1971 — Avner, Uri vs Kusky, Abraham — 1-0 — Nathanya
5.c4 — 21.3% (93 parties)
1961 — Kvist, Goesta vs Jongsma, Alexander — 1/2-1/2 — Helsinki FIN
1969 — Zhidkov, Valery S vs Kapengut, Albert — 1-0 — ?
1970 — Vadasz, Laszlo vs Szukszta, Janus — 1-0 — Budapest HUN
1972 — Encinosa Gracia, Carlos Alberto vs Karpov, Anatoly — 0-1 — Chapultepec
1979 — Weiss, Augustin vs Luczak, Andrzej — 1-0 — Lodz POL
5.c3 — 2.8% (12 parties)
1995 — Kirov, Nino vs Ninov, Nikolai — 1/2-1/2 — Bulgaria
1996 — Pirisi, Gabor vs Kerek, Csaba — 1-0 — Budapest HUN
1997 — Weil, Otto vs Stahl, Gerhard — 0-1 — Weilburg GER
2002 — Majdan, Joanna vs Zdziarska-Zareba, Lidia — 1-0 — Lubniewice POL
2002 — Kahn, Evarth Dr. vs Horvath, Peter — 0-1 — Budapest HUN