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D06k — QGD: Marshall Defence (1900)
1.d4 d5 2.c4 Nf6 3.cxd5 Nxd5 4.e4
Les coups candidats
4…Nf6 — 52.3% (1747 parties)
Ambassadeurs : Dejonckheere, Didier (5x), Krajnak, Martin (4x), Shaffer, Aaron (4x), Albert Benson (4x), Poblete, Litos (3x), Girg, Rolf (3x), Gavrilovic, Milan (3x), Nittschalk, Karl (3x)
4…Nb6 — 45.3% (1516 parties)
Ambassadeurs : Vontina, Maria (10x), Grimm, Wolfgang, Dr. (6x), Linczer, Janos (3x), Castellano, Antonio Jr (3x), Vetter, Udo (3x), Letelier Martner, Rene (2x), Banguang Tap (2x), Tiihonen, Ilpo (2x)
4…Nb4 — 1.8% (59 parties)
Ambassadeurs : Thompson, Cedric (1x), Reussner, W. (1x), Lopez, Molinari Luciana (1x), MacDonald, Hugh (1x), Schwirz, Horst (1x), Pfeifer, Wilfried (1x), Dobmeier, Thomas (1x), Knoerrich, Peter (1x)
4…e6 — 0.2% (6 parties)
Ambassadeurs : Kruger, Bertus (1x), Wilkinson, Jim (1x), Aydogdu, Abdullah (1x), Akin, Emrah (1x), Todd, Adie (1x), Sommerville, Monica (1x), Bernardi, Philippe (1x), Albert, Stéphane (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nf6 4…Nb6 4…Nb4 4…e6
<1800 651 51% 47% 2%
1800-2200 1230 54% 46% 0%
2200-2600 185 61% 39% 1%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 4…Nf6 4…Nb6 4…Nb4 4…e6
1950s 9 44% 56%
1960s 21 38% 62%
1970s 31 29% 61% 6%
1980s 72 53% 47%
1990s 541 50% 47% 2% 0%
2000s 1075 53% 45% 2% 0%
2010s 1254 53% 45% 2% 0%
2020s 340 54% 43% 2% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nf6 53% 54% ▲ +0.9%
4…Nb6 45% 43% ▼ -1.6%
4…Nb4 2% 2% ▲ +0.5%
4…e6 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 8 parties
Anand, Viswanathan — 2 parties
Parties historiques
4…Nf6 — 52.3% (1747 parties)
1950 — Zirngibl, Albert vs Mueller, Claus — 1/2-1/2 — Soemmerda GER
1952 — Zalys, Ignas vs Tanguay, Alexandre — 1-0 — Montreal CAN
1955 — Bonham, Reginald Walter vs Griffiths Tagle Renato Alberto — 1-0 — Aberystwyth ch-BCF
1956 — Kotov, Alexander vs Ragozin, Viacheslav — 1-0 — Leningrad RUS
1960 — Abdou, William vs Fowell, Richard — 1-0 — San Jose, CA USA
4…Nb6 — 45.3% (1516 parties)
1953 — Darga, Klaus vs Herbin, J. — 1-0 — Copenhagen DEN
1956 — Berliner, Hans vs Rott, Fabian — 1-0 — Montreal CAN
1956 — Gereben, Erno vs Tipary, Lajos — 1-0 — Budapest HUN
1958 — OBrien, Erik Michael vs Baloyi Collins — 1-0 — Santa Barbara
1958 — Blackstone, John vs Fowell, Richard — 0-1 — San Jose, CA USA
4…Nb4 — 1.8% (59 parties)
1973 — Lopez, Molinari Luciana vs MacDonald, Hugh — 1-0 — Vancouver BC CAN
1974 — Thompson, Cedric vs Reussner, W. — 1-0 — Nice FRA
1991 — Christensen, Sascha vs Hansen, Kenneth Illum — 1-0 — Hedehusene B4 (0 (0
1992 — Fahrenholz, Natascha vs Prinz, Angelika — 1-0 — Bremen GER
1993 — Plachkinova, Tatjana vs Deleersnyder, Lieselot — 1-0 — Europe ch U12 girls
4…e6 — 0.2% (6 parties)
1994 — Kruger, Bertus vs Wilkinson, Jim — 1-0 — corr IECG Cat-D
2006 — Aydogdu, Abdullah vs Akin, Emrah — 1-0 — Izmir TUR
2009 — Todd, Adie vs Sommerville, Monica — 1-0 — Edmonton CAN
2012 — Bernardi, Philippe vs Albert, Stéphane — 1-0 — ICCF
2016 — Hussein, Ali vs Krishnamoorthy, Richiraj — 1-0 — Victoria, Mahe Island SEY