D31d — Alatortsev
1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Bf4
Eval: [+0.28]
Les coups candidats
4…Nf6 — 90.9% (1017 parties)
Ambassadeurs : Kovalenko, Igor (9x), Sabuk, Piotr (8x), Sokolov, Ivan (7x), Zhou, Jianchao (7x), Beliavsky, Alexander G (5x), Lerner, Konstantin Z (5x), Vaganian, Rafael A (5x), Kasparov, Garry (5x)
4…c6 — 6.7% (75 parties)
Ambassadeurs : Jacobs, HansJrgen (2x), Martens, Rolf (2x), Kostina, Nadezhda (2x), Van Seters, Frits (1x), Tonoli, Jose (1x), Nadenau, Oskar (1x), Hafner, O. (1x), Botvinnik, Mikhail (1x)
4…a6 — 1.4% (16 parties)
Ambassadeurs : Thole, Markus (1x), Ly, Amadou (1x), Lutat, Walter (1x), Neher, Max (1x), Boulais, Regine (1x), Delorme, Laurie (1x), Seeger, Helmut (1x), Brandt, Fred (1x)
4…Bd6 — 0.4% (4 parties)
Ambassadeurs : Lisanti, Andre (1x), Kannenberg, Carl-Friedrich (1x), Walther, Jakob (1x), Luehning, Klaus (1x), Bourdeaux, Angele (1x), Bellay, Jean-pierre (1x), Mahia, Gustavo (1x), Souza, Gustavo Horokoski De (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nf6 4…c6 4…a6 4…Bd6
<1800 40 82% 10% 2% 2%
1800-2200 328 87% 9% 2% 1%
2200-2600 527 96% 3% 1%
2600+ 75 100%
Évolution par décennie (% des parties)
Décennie N parties 4…Nf6 4…c6 4…a6 4…Bd6
1900s 1 100%
1960s 9 89% 11%
1970s 10 90% 10%
1980s 49 96% 2% 2%
1990s 115 78% 14% 6%
2000s 216 82% 13% 2% 1%
2010s 601 95% 4% 0% 0%
2020s 118 97% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nf6 95% 97% ▲ +2.8%
4…c6 4% 3% ▼ -1.5%
4…a6 0% 0% -0.5%
4…Bd6 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Karpov, Anatoly — 3 parties
Carlsen, Magnus — 2 parties
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Parties historiques
4…Nf6 — 90.9% (1017 parties)
1905 — Svenonius A vs Fahlander H — 1-0 — Stockholm SWE
1964 — Kraidman, Yair vs Filip, Marius Liviu — 1/2-1/2 — Tel Aviv ISR
1964 — Benko, Pal vs Berger, Benedikt — 1/2-1/2 — Amsterdam NED
1964 — Farago, Ivan vs Antoshin, Vladimir S — 1-0 — Krakow POL
1967 — Larsen, Benjamin Holsko vs Portisch, Lajos — 1-0 — Palma de Majorca ESP
4…c6 — 6.7% (75 parties)
1964 — Van Seters, Frits vs Tonoli, Jose — 1-0 — Mechelen
1970 — Botvinnik, Mikhail vs Spassky, Boris V. — 1/2-1/2 — Oegstgeest NED
1988 — Nadenau, Oskar vs Hafner, O. — 1-0 — Eppingen sen
1991 — Cavli E vs Facchini O — 0-1 — Mamaia
1992 — Jarvela, Jari vs Lassila, Erkki — 0-1 — Turku,FIN
4…a6 — 1.4% (16 parties)
1988 — Thole, Markus vs Ly, Amadou — 1-0 — Thessaloniki GRE
1994 — Mano, Nuno vs Domingos, Bella B Bassi Chede — 1-0 — Portugal
1995 — Lutat, Walter vs Neher, Max — 1-0 — Bernkastel-Kues
1996 — Chapelle, Emilie vs Muller, Veronique — 1-0 — France
1998 — Olbricht, Wolfgang vs Hesselmann Hans — 0-1 — Kerpen
4…Bd6 — 0.4% (4 parties)
2004 — Lisanti, Andre vs Kannenberg, Carl-Friedrich — 1-0 — Frankfurt GER
2007 — Walther, Jakob vs Luehning, Klaus — 1-0 — Verden
2012 — Bourdeaux, Angele vs Bellay, Jean-pierre — 0-1 — Gorges FRA
2016 — Mahia, Gustavo vs Souza, Gustavo Horokoski De — 1-0 — Florianopolis BRA