A05r — KIA Reti-Smyslov Variation
1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 5.Bb2
Eval: [-0.19]
Les coups candidats
4…O-O — 62.2% (905 parties)
Ambassadeurs : Auger, Bertrand (45x), Poleschi, Ricardo (20x), Poley, Vladimir (14x), Spiridonov, Nikola (12x), Soppe, Guillermo (11x), Arnaudov, Petar (11x), Smyslov, Vladimir (10x), Fluvia Poyatos, Jordi (10x)
4…d6 — 12.7% (185 parties)
Ambassadeurs : Spiridonov, Nikola (5x), Poley, Vladimir (5x), Poleschi, Ricardo (3x), Hartlaub, Marianne (3x), Pithart, Frantisek (2x), Jimenez Zerquera, Eleazar (2x), Eymann, Henri (2x), Davies, Nigel R (2x)
4…d5 — 10.8% (157 parties)
Ambassadeurs : Auger, Bertrand (7x), Poleschi, Ricardo (5x), Michalek, Christoph (3x), Akesson, Ralf (2x), Spiridonov, Nikola (2x), Sigurjonsson, Gudmundur (2x), Gruenfeld, Yehuda (2x), Muller II, Raymond W (2x)
4…c6 — 8.6% (125 parties)
Ambassadeurs : Soppe, Guillermo (9x), Bronstein, David I (3x), Spiridonov, Nikola (3x), Poleschi, Ricardo (3x), Werner, Gert (3x), Smyslov, Vladimir (2x), Tatai, Stefano (2x), Schlueter, Wolfgang (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…O-O 4…d6 4…d5 4…c6
<1800 31 65% 16% 16%
1800-2200 569 66% 12% 10% 6%
2200-2600 505 59% 13% 11% 11%
2600+ 4 50% 25% 25%
Évolution par décennie (% des parties)
Décennie N parties 4…O-O 4…d6 4…d5 4…c6
1930s 2 50% 50%
1950s 4 50% 25% 25%
1960s 86 65% 15% 7% 10%
1970s 69 62% 6% 10% 14%
1980s 118 59% 15% 14% 6%
1990s 373 58% 14% 13% 11%
2000s 424 65% 12% 10% 8%
2010s 315 66% 13% 8% 6%
2020s 65 52% 9% 18% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…O-O 66% 52% ▼ -13.7%
4…d6 13% 9% ▼ -3.5%
4…d5 8% 18% ▲ +10.5%
4…c6 6% 5% ▼ -1.4%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Parties historiques
4…O-O — 62.2% (905 parties)
1936 — Skalicka, Karel vs Frydman, Paulino — 0-1 — Podebrady CZE
1952 — Fazekas, Stephan vs Spears, Michael J A — 1-0 — Southsea
1957 — Otteson, Milton vs Fischer, Robert J — 1-0 — Milwaukee, WI USA
1961 — Urseanu, Veniamin vs Ciocaltea, Victor — 0-1 — Romania
1961 — Vatnikov, Joseph vs Cherepkov, Alexander V — 1-0 — Spartakiade
4…d6 — 12.7% (185 parties)
1930 — Noteboom, Daniel vs Landau, Salo — 1/2-1/2 — Amsterdam NED
1957 — Fazekas, Stephan vs Koberl, Ferenc — 1-0 — Hastings ENG
1961 — Lengyel, Laszlo vs Brzozka, Stefan — 0-1 — Warsaw POL
1963 — Smyslov, Vasily vs Littlewood H — 1/2-1/2 — ?
1964 — Malich, Burkhard, Dr. vs Sumar, Julio — 1/2-1/2 — Tel Aviv olm
4…d5 — 10.8% (157 parties)
1961 — Smyslov, Vladimir vs Korchnoi, Viktor — 1-0 — Moscow RUS
1965 — Sloth, Jorn vs Brinck-Claussen, Bjorn — 0-1 — ?
1965 — Keene, Raymond D vs Schoeneberg, Manfred — 1/2-1/2 — Barcelona wch-jr pre
1965 — Kozomara, Vlado vs Osmanagic, Dusan — 1-0 — Sarajevo BIH
1967 — Mecking, Henrique vs Pinto Paiva, Jose — 1/2-1/2 — Sao Paulo BRA
4…c6 — 8.6% (125 parties)
1955 — Olafsson, Thorir vs Gudmundsson, Arinbjorn — 0-1 — Reykjavik ISL
1964 — Smyslov, Vladimir vs Bronstein, David I — 1/2-1/2 — Amsterdam NED
1965 — Smyslov, Vladimir vs Zuidema, Coen — 1/2-1/2 — Hamburg GER
1966 — Keene, Raymond D vs Jakobsen, Ole — 1/2-1/2 — Orebro SWE
1967 — Matulovic, Milan vs Ivkov, Borislav — 1/2-1/2 — Palma de Majorca ESP