A31i — Symmetrical, Two Knights (1947)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 g6
Les coups candidats
Ambassadeurs : Chiku-Ratte, Olivier-Kenta (9x), Timofeev, Artyom (6x), Salokangas, Hannu (4x), Nordstrom, Felix (3x), Hamilton, Douglas G (3x), Gulko, Boris (3x), Kraidman, Yair (3x), Porath, Yosef (2x)
5.g3 — 17.4% (301 parties)
Ambassadeurs : Fazekas, Stephan (2x), Minero Pineda, Sergio (2x), Veron, Cyprien (2x), Ozturk Orenli, Kubra (2x), Cournoyer, Dominic (2x), Filip, Miroslav (1x), Korchnoi, Viktor (1x), Carvajal Montoya, Juan Camilo (1x)
5.e3 — 1.7% (29 parties)
Ambassadeurs : Grzinic, Danica (1x), Vujanovic, Tatjana (1x), Burger, Robert (1x), Oppedal, David (1x), Wilms, L (1x), Van Gool, Rudi (1x), Pendergrass, Harry (1x), Sadoway, Steven (1x)
5.b3 — 0.8% (13 parties)
Ambassadeurs : Dilger, Michael (1x), Windhofer, Johann (1x), Weiss, Martin (1x), Wall, Alejandro (1x), Gomez, Luis Fernando (1x), Gomez, Samael (1x), Beelen, K. (1x), Veldkamp, N. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nc3 5.g3 5.e3 5.b3
<1800 120 71% 17% 8% 1%
1800-2200 816 78% 19% 1% 1%
2200-2600 534 83% 16% — 0%
2600+ 18 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 5.Nc3 5.g3 5.e3 5.b3
1950s 12 67% 33% — —
1960s 30 77% 13% — —
1970s 72 82% 10% 3% 1%
1980s 72 81% 17% 1% 1%
1990s 260 77% 20% 1% 1%
2000s 489 79% 16% 2% 1%
2010s 650 80% 18% 1% 1%
2020s 148 75% 20% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nc3 80% 75% ▼ -4.8%
5.g3 18% 20% ▲ +2.7%
5.e3 1% 2% ▲ +0.8%
5.b3 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Parties historiques
5.Nc3 — 78.9% (1367 parties)
1950 — Decker, Arnold Sheldon vs Rabar, Braslav — 1-0 — telex
1951 — Laszlo, Csaba vs Koberl, Ferenc — 0-1 — ?
1952 — Smyslov, Vladimir vs Kortchnoi, V. — 0-1 — Moskou ch-URS
1955 — Juergens, Helmut vs Bertholdt, Dieter — 1/2-1/2 — Zittau GER
1956 — Porath, Yosef vs Fallone, Michael — 1-0 — Moskou olm
5.g3 — 17.4% (301 parties)
1954 — Filip, Miroslav vs Korchnoi, Viktor — 1/2-1/2 — Oslo NOR
1954 — Larsen, Bent vs Andersen, Henry — 0-1 — Copenhagen DEN
1959 — Hallmark, AM. vs Fazekas, Stephan — 1-0 — York ch-BCF
1959 — Hallmark vs Fazekas, Stephan — 1-0 — ENG
1964 — Carvajal Montoya, Juan Camilo vs Thill, Frederic — 1/2-1/2 — Tel Aviv olm
5.e3 — 1.7% (29 parties)
1971 — Grzinic, Danica vs Vujanovic, Tatjana — 0-1 — Pula CRO
1972 — Burger, Robert vs Oppedal, David — 0-1 — ?
1984 — Wilms, L vs Van Gool, Rudi — 1/2-1/2 — Venlo
1991 — Sandvik, Anders vs Nerland, Trond — 0-1 — Norway
1996 — Pendergrass, Harry vs Sadoway, Steven — 1/2-1/2 — Corr compuserve
5.b3 — 0.8% (13 parties)
1979 — Weiss, Martin vs Wall, Alejandro — 0-1 — Statesville,NC
1988 — Dilger, Michael vs Windhofer, Johann — 0-1 — Eppingen AT1
1991 — Beelen, K. vs Veldkamp, N. — 1/2-1/2 — Nijmegen NED
1995 — Gomez, Luis Fernando vs Gomez, Samael — 0-1 — Barranquilla COL
1999 — Ciuntuc, Daniel vs Clesiu, Radu — 1/2-1/2 — Eforie Nord