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C22b — Normal Variation (1908)
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6
Les coups candidats
Ambassadeurs : Munoz, Miguel (40x), Rudd, Jack (34x), Renard, Stéphane (29x), Sanchez Castillo, Sarai Carolina (27x), Relyea, Alexander (24x), Dolzhykova, Kateryna (23x), Johnson, Aaron (20x), Michalek, Martin (20x)
4.Qa4 — 4.5% (383 parties)
Ambassadeurs : Lardot, Derik (19x), Andersson, Soren O (13x), Becher, Helmut, Dr. (8x), Levi, Eddy L (5x), Marko, Stanislaw (5x), Wall, Alejandro (4x), Just, Bent (4x), Gronroos, Matti (4x)
4.Qd1 — 2.7% (229 parties)
Ambassadeurs : McGuire, Paul (3x), Alexopoulos, Georgios 94 (2x), Abreu, Williams (2x), Wall, Bill (2x), Mitchell, T. T. (2x), Abdurahmanov, Afer (2x), Armstrong, John M (2x), Brumec, Fredi (2x)
4.Qd3 — 2.3% (192 parties)
Ambassadeurs : Suarez Vera, Angel Antonio (7x), Nadj Hedjesi, Balind (3x), Plug, Arjan (2x), Bezeyko, Olexander (2x), Page, Alan F (1x), Bortz, Jackie (1x), Floxus, Joakim (1x), Beland, Stephane (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Qe3 4.Qa4 4.Qd1 4.Qd3
<1800 1009 87% 5% 4% 2%
1800-2200 4043 92% 3% 1% 2%
2200-2600 1614 88% 4% 0% 3%
2600+ 40 85% — — —
Évolution par décennie (% des parties)
Décennie N parties 4.Qe3 4.Qa4 4.Qd1 4.Qd3
1950s 39 95% 5% — —
1960s 64 91% 6% 3% —
1970s 68 69% 21% 10% —
1980s 135 79% 17% 1% —
1990s 1393 87% 6% 3% 1%
2000s 3394 90% 5% 3% 1%
2010s 2595 93% 3% 3% 1%
2020s 845 66% 2% 3% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Qe3 93% 66% ▼ -26.4%
4.Qa4 3% 2% ▼ -0.9%
4.Qd1 3% 3% +0.1%
4.Qd3 1% 13% ▲ +12.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Kramnik, Vladimir — 1 partie
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Parties historiques
4.Qe3 — 87.7% (7483 parties)
1950 — Soloviev, Vladimir A vs Levenfish, Grigory — 1-0 — Gorky
1950 — Platz, Wilhelm vs Berner, Gerhard — 0-1 — Weingarten
1951 — Burstein, Sylvain vs Walsh, James J — 1/2-1/2 — Birmingham/Coventry
1951 — Amirkhanov, Rinat vs Novotelnov, Nikolai — 1-0 — Tbilisi GEO
1951 — Aadhitha Karikalan vs Kozomara, Vlado — 1/2-1/2 — Ljubljana ch YUG
4.Qa4 — 4.5% (383 parties)
1957 — Baile Jayvant vs Demuria, Alexandr — 1/2-1/2 — Tbilisi GEO
1959 — Bronstein, Anna vs ? — 1-0 — simul
1960 — Kramer Jernej vs Firmenich — 0-1 — cr.
1962 — Rostovtsev, Yuri vs Volchok, Alexandr — 1-0 — ?
1968 — Sokotow vs Michatek — 1-0 — cr.
4.Qd1 — 2.7% (229 parties)
1961 — James, Rodney E vs Tranmer, Eileen Betsy — 0-1 — Bognor Regis
1963 — Coleman, Alfie vs Barry Dickson — 0-1 — cr.
1970 — Giannopoulos, Christos vs Alexopoulos, Georgios 94 — 0-1 — Ilissia
1970 — Lambropoulos, Evangelos vs Alexopoulos, Georgios 94 — 0-1 — Parnitha,Greece
1972 — Miranda Ricky vs Teta Thompson — 0-1 — Berkeley
4.Qd3 — 2.3% (192 parties)
1991 — Marosi, Csaba vs Goller, Alexander — 0-1 — Kecskemet HUN
1993 — Munoz, Miguel vs Valdez, Daniel — 1-0 — Wch U20 Buenos Aires ARG
1994 — Salmela, Tuomo vs Koivu, Arto — 1-0 — Tampere
1996 — Skripchenko, Almira vs Xu, Yuhua — 1/2-1/2 — Medellin Wch-wjr
1996 — Markfeit, Richard vs Dadlhuber, Thomas — 1-0 — Bayern