A25f - 3.e3 Nf6 - Closed (1902)

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A25f — Closed (1902)
1.c4 e5 2.Nc3 Nc6 3.e3 Nf6
Les coups candidats
Ambassadeurs : Suba, Mihai (7x), Jung, Reiner (6x), Miles, Anthony J (5x), Korchnoi, Viktor (5x), Rodgaard, John (5x), Rakhmanov, Aleksandr (5x), Adamski, Jan (4x), Stoma, Pawel (4x)
4.a3 — 24.6% (388 parties)
Ambassadeurs : Malakhatko, Vadim (20x), Dgebuadze, Alexandre (4x), Korchnoi, Viktor (3x), Conquest, Stuart C (3x), Hoorweg, Frits P.A. (3x), Kostanjsek, Zorko (3x), Lanzani, Mario Lorenzo (3x), Chernin, Alexander (2x)
4.d4 — 14.9% (236 parties)
Ambassadeurs : Al Kaoury, Mahdi (7x), Drobyshevsky, Vasily Vasilievich (3x), Costello, Colin A (2x), Biro, Karol (2x), Rieger, Emmanuel (2x), Rodriguez Matas, Enrique (2x), Shenker, Sabrina (2x), Saravanan, Mahitha (2x)
4.d3 — 4.9% (77 parties)
Ambassadeurs : Timofeev, Artyom (10x), Moehring, Guenther (2x), Becerra, Andres Mauricio (2x), Bak, Istvan (1x), Borloy, Karoly (1x), Rios Fo., Hilton Carlos da Silva (1x), Rosa, Carlos Roberto de Jesus (1x), Moskalenko, Viktor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nf3 4.a3 4.d4 4.d3
<1800 125 25% 18% 27% 7%
1800-2200 481 40% 19% 19% 4%
2200-2600 622 44% 35% 6% 4%
2600+ 69 20% 33% 4% 7%
Évolution par décennie (% des parties)
Décennie N parties 4.Nf3 4.a3 4.d4 4.d3
1950s 2 50% — — 50%
1960s 6 67% 33% — —
1970s 35 66% 9% 14% 3%
1980s 73 68% 18% 1% 4%
1990s 212 30% 23% 20% 6%
2000s 345 30% 22% 22% 6%
2010s 637 38% 29% 14% 5%
2020s 270 41% 23% 8% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nf3 38% 41% ▲ +3.1%
4.a3 29% 23% ▼ -5.8%
4.d4 14% 8% ▼ -6.7%
4.d3 5% 3% ▼ -2.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Kasparov, Garry — 3 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
4.Nf3 — 37.9% (599 parties)
1956 — Schroeder, Hannes vs Lieb, Harald — 0-1 — Hitzacker
1963 — Schallehn, Dieter vs Bauer, Erich — 1/2-1/2 — Leipzig GER
1963 — Taimanov, Mark vs Zakharov, Alexander V — 1/2-1/2 — Leningrad ch-URS
1968 — Korchnoi, Viktor vs Lehmann, Karl-Heinz — 1-0 — Palma de Majorca ESP
1968 — Korchnoi, Viktor vs Lehmann, Heinz — 1-0 — Palma de Majorca ESP
4.a3 — 24.6% (388 parties)
1962 — Veizaj, Mendim vs Navabi, Abdolhossein — 1-0 — Varna BUL
1966 — Overweg, Danny vs Timman, Jan H — 1-0 — Delft ch-NED jr
1975 — Andersen, Borge vs Iskov, Gert — 0-1 — Copenhagen DEN
1975 — Lebredo Zaragoitia, Gerardo vs Diaz, Joaquin, Dr. — 1/2-1/2 — Cienfuegos City CUB
1976 — Celorio vs Wozney, Tom — 0-1 — Cleveland-Miami Phn
4.d4 — 14.9% (236 parties)
1972 — Hobson, Ronald vs Niamdorzi — 0-1 — Skopje MKD
1974 — O Shea M vs O`sullivan, Ellen — 0-1 — ?
1978 — Gunev, Zlatan vs Atanasov, Petko — 0-1 — Ruse
1979 — Wacker, Peter vs Enklaar, Bert — 0-1 — Nijmegen NED
1979 — Garcia , Gandy vs Bronstein, Luis Marcos — 1/2-1/2 — Rio de Janeiro izt
4.d3 — 4.9% (77 parties)
1958 — Bak, Istvan vs Borloy, Karoly — 1-0 — Budapest HUN
1979 — Moehring, Guenther vs Zaitsev, Igor A — 0-1 — Sochi RUS
1984 — Moskalenko, Viktor vs Vainerman, Igor — 1/2-1/2 — Kharkov UKR
1987 — Rios Fo., Hilton Carlos da Silva vs Rosa, Carlos Roberto de Jesus — 1/2-1/2 — Rio de Janeiro BRA
1987 — Moehring, Guenther vs Strzelecki, Krzysztof — 1/2-1/2 — Olomouc CZE