D31d — QGD: Alatortsev (1967)
1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Bf4
Les coups candidats
4…Nf6 — 91.2% (1074 parties)
Ambassadeurs : Mamedyarov, Shakhriyar (8x), Kovalenko, Gleb I (8x), Fridman, Daniel (7x), Beliavsky, Alexander G (5x), Sokolov, Ivan (5x), Ivanchuk, Vasyl (5x), Chernin, Alexander (4x), Granda Zuniga, Julio E (4x)
4…c6 — 6.5% (76 parties)
Ambassadeurs : Jacobs, Hans Juergen (2x), Alcorta, Martinez Leopoldo (2x), Van Seters, Frits (1x), Tonoli, Jose (1x), Nadenau, Oskar (1x), Hafner, Otto (1x), Patty, John (1x), Huckaby, Marvin R (1x)
4…a6 — 1.4% (16 parties)
Ambassadeurs : Thole, Markus (1x), Ly, Amadou (1x), Chapelle, Emilie (1x), Muller, Veronique (1x), Lutat, Walter (1x), Irmak, Nehir (1x), Boulais, Regine (1x), Delorme, Laurie (1x)
4…Bd6 — 0.3% (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 91 82% 10% 2% 2%
1800-2200 401 89% 8% 1% 0%
2200-2600 524 96% 3% 0% —
2600+ 72 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 4…Nf6 4…c6 4…a6 4…Bd6
1960s 9 89% 11% — —
1970s 8 100% — — —
1980s 49 96% 2% 2% —
1990s 115 78% 14% 6% —
2000s 216 82% 13% 2% 1%
2010s 613 95% 4% 0% 0%
2020s 168 96% 3% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nf6 95% 96% ▲ +1.6%
4…c6 4% 3% ▼ -0.9%
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
Ding, Liren — 1 partie
Parties historiques
4…Nf6 — 91.2% (1074 parties)
1964 — Benko, Pal vs Berger, Thomas — 1/2-1/2 — Amsterdam NED
1964 — Bakheet Farag vs Abanin, Vladimir — 1-0 — Krakow POL
1964 — Kraidman, Yair vs Filip, Miroslav — 1/2-1/2 — Tel Aviv olm
1967 — Larsen, Bent Ravn vs Portisch, Lajos — 1-0 — Palma de Majorca ESP
1968 — Brueggemann, Joachim vs Cilensek, Thomas — 1/2-1/2 — Neukieritzsch
4…c6 — 6.5% (76 parties)
1964 — Van Seters, Frits vs Tonoli, Jose — 1-0 — Mechelen
1988 — Nadenau, Oskar vs Hafner, Otto — 1-0 — Eppingen sen
1991 — Cavli, E vs Facchini, O — 0-1 — Mamaia
1992 — Jarvela, Jari vs Lassila, Erkki — 0-1 — Turku,FIN
1992 — Riiga, Aksel vs Billquist, Ulf — 1-0 — ?
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 Irmak, Nehir — 1-0 — Bernkastel-Kues
1996 — Chapelle, Emilie vs Muller, Veronique — 1-0 — France
1998 — Olbricht, Wolfgang vs Hesselmann, Hans — 0-1 — Kerpen
4…Bd6 — 0.3% (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