A21t — Kramnik-Shirov (1990)
1.c4 e5 2.Nc3 Bb4 3.Nd5 Be7
Les coups candidats
Ambassadeurs : Hector, Jonny (13x), Shirov, Alexei (10x), Lautier, Joel (5x), Sivan, Yaacov (5x), Williams, Simon K (5x), Semcesen, Daniel (5x), Grant, Jonathan I M (4x), Wolter, Uwe (4x)
4.Nf3 — 21.2% (251 parties)
Ambassadeurs : Mainka, Romuald (3x), Mamedyarov, Shakhriyar (3x), Hovhannisyan, Razmik (3x), Caruana, Fabiano (3x), Poldauf, Dirk (2x), Terrie, Henry (2x), Ribli, Zoltan (2x), Grant, Jonathan I M (2x)
4.g3 — 12.4% (147 parties)
Ambassadeurs : Kvisla, Johannes Luangtep (3x), Gunter, David W W (2x), Richards, Heather S (2x), Komliakov, Viktor (2x), Lalic, Bogdan (2x), Milne, Arthur (2x), Mainka, Romuald (2x), Moberg, Karl Johan (2x)
4.e3 — 3.0% (36 parties)
Ambassadeurs : Shirov, Alexei (2x), Vuilleumier, Alexandre (2x), Nevednichy, Vladislav (2x), Sowinski, Pawel (2x), Cortes Mamblona, Josep Manel (1x), Gonzalez De La Torre, Santiago (1x), Mares, Jaroslav (1x), Provaznik, Michal (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.d4 4.Nf3 4.g3 4.e3
<1800 50 44% 12% 18% 2%
1800-2200 358 50% 17% 19% 3%
2200-2600 632 63% 22% 9% 3%
2600+ 69 49% 43% 1% 4%
Évolution par décennie (% des parties)
Décennie N parties 4.d4 4.Nf3 4.g3 4.e3
1970s 3 67% 33% — —
1980s 4 50% 25% 25% —
1990s 181 59% 17% 16% 3%
2000s 227 61% 12% 15% 2%
2010s 322 57% 16% 15% 3%
2020s 445 53% 31% 8% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.d4 57% 53% ▼ -3.6%
4.Nf3 16% 31% ▲ +15.6%
4.g3 15% 8% ▼ -7.6%
4.e3 3% 4% +0.5%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 4 parties
Carlsen, Magnus — 3 parties
Karpov, Anatoly — 1 partie
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
4.d4 — 56.5% (668 parties)
1977 — Katalymov, Boris vs Popov, Nemanja G — 0-1 — Erevan ARM
1978 — Miltner, Arndt vs Engel, Berthold — 1-0 — Ketsch
1983 — Karner, Hillary vs Gavrikov, Viktor — 0-1 — Tbilisi GEO
1988 — Kamp, Christoph vs Mainka, Gregor — 1/2-1/2 — GER
1992 — Ovsejevitsch, Sergei vs Chytilek, Roman — 1-0 — Rimavska Sobota SVK
4.Nf3 — 21.2% (251 parties)
1977 — Brandao, Geraldo vs Altin, Duran — 1-0 — ?
1986 — Skrobek, Ryszard vs Kostyra, Stanislaw — 0-1 — Rzeszow
1990 — Ehlvest, Jaan vs Shirov, Alexei — 1-0 — Manila PHI
1991 — Lautier, Joel vs Gavrikov, Viktor — 1/2-1/2 — Biel SUI
1991 — Miralles, Gilles vs Fayard, Alain — 1-0 — Montpellier FRA
4.g3 — 12.4% (147 parties)
1989 — Fant, Goran vs Schmittdiel, Eckhard — 0-1 — Peer Gynt Gausdal NOR
1992 — Schmidt, Jan-Peter, Dr. vs Capris, Marius — 1/2-1/2 — GER
1993 — Jones, Charles vs Gulko, Boris — 0-1 — Las Vegas, NV USA
1993 — Kishnev, Sergey vs Mainka, Romuald — 0-1 — Muenster GER
1994 — Todor, Razvan vs Pavasovic, Dusko — 0-1 — Budapest HUN
4.e3 — 3.0% (36 parties)
1993 — Psakhis, Lev vs Afek, Yochanan — 1/2-1/2 — Herzliya
1994 — Mares, Jaroslav vs Provaznik, Michal — 1/2-1/2 — Prerov,CZE ch-Moravia open
1994 — Azmaiparashvili, Zurab vs Shirov, Alexei — 0-1 — Moskou olm
1995 — Salov, Valery vs Shirov, Alexei — 0-1 — Amsterdam NED
1999 — Cortes Mamblona, Josep Manel vs Gonzalez De La Torre, Santiago — 0-1 — ESP-chJ U18 Masculino