A92g - 6.O-O d5 - Stonewall Variation (1932)

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A92g — Stonewall Variation (1932)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5
Les coups candidats
Ambassadeurs : Newton, Hobart (16x), Karlsson, Lars 1937 (12x), Gleizerov, Evgeny (12x), Marcotulli, Giancarlo (10x), Malmstroem, Jan Hendrik (10x), Taner, Harun (10x), Guimard, Carlos E (9x), Csoma, Robert (9x)
Ambassadeurs : Marcotulli, Giancarlo (9x), Karlsson, Lars 1937 (5x), Vandersluys, Paul (3x), Newton, Hobart (3x), Subramanian, Ravichandran (3x), Zwaneveld, Ansel (3x), Lloyd, David Edward (2x), Heemsoth, Hermann (2x)
Ambassadeurs : Karlsson, Lars 1937 (6x), Puntunet, David (5x), Subramanian, Ravichandran (5x), Nabokov, Ivan (5x), Guimard, Carlos E (4x), Vandersluys, Paul (4x), Fichte, Wolfgang, Dr. (4x), Schmidt-Schaeffer, Sebastian, Dr. (4x)
Ambassadeurs : Zwaneveld, Ansel (13x), Lheureux, Joseph (6x), Guimard, Carlos E (5x), Bakheet Farag (4x), Mariotti, Sergio (4x), Rapaka Samuel Paul (3x), Stoppel, Franz (3x), Chistiakov, Alexander (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.b3 7.Nc3 7.Nbd2 7.Qc2
<1800 137 45% 23% 9% 12%
1800-2200 907 51% 19% 12% 11%
2200-2600 873 55% 13% 14% 14%
2600+ 16 50% 19% 19% 12%
Évolution par décennie (% des parties)
Décennie N parties 7.b3 7.Nc3 7.Nbd2 7.Qc2
1950s 121 44% 25% 15% 14%
1960s 97 36% 21% 18% 22%
1970s 156 37% 19% 21% 19%
1980s 300 45% 16% 21% 13%
1990s 652 54% 15% 14% 10%
2000s 744 53% 17% 12% 10%
2010s 535 51% 21% 10% 13%
2020s 86 44% 21% 12% 19%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.b3 51% 44% ▼ -6.5%
7.Nc3 21% 21% -0.2%
7.Nbd2 10% 12% ▲ +1.5%
7.Qc2 13% 19% ▲ +5.9%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 3 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
7.b3 — 49.6% (1336 parties)
1950 — Gligoric, Sofija vs Guimard, Carlos E — 1/2-1/2 — Mar del Plata ARG
1950 — Bahro, Tom vs Van den Tol, Theo — 1/2-1/2 — Vienna AUT
1950 — Rossetto, Hector vs Christoffel, Martin — 1-0 — SUI-ARG m Zurich SUI
1951 — Miguel, Nahuel vs Guimard, Carlos E — 1/2-1/2 — ARG Ch Argenti
1951 — Fuchs, Reinhart vs Budrich, Edmund — 1/2-1/2 — Leipzig GER
7.Nc3 — 17.8% (480 parties)
1950 — Willson, Alan John vs Barker, Malcolm Neil — 0-1 — Hastings ENG
1950 — Bruce, Rowena M vs Knight, Alexander Paul — 1/2-1/2 — Southsea
1950 — Schmidt, Paul Felix vs Sahlmann, Walter — 1/2-1/2 — Bad Pyrmont GER
1950 — Lohmann, Heinrich vs Kieninger, Georg — 0-1 — FRG-ch Bad Pyrmont GER
1950 — Schlieder, Rolf vs Herrmann, Ludwig — 1/2-1/2 — Soemmerda GER
7.Nbd2 — 13.9% (375 parties)
1952 — Anagnostou, Joannis vs Byrne, Robert E — 0-1 — Helsinki olm
1952 — Pytlakowski, Andrzej vs Partyka, Kazimierz — 1-0 — Katowice POL
1952 — Geller, Efim P. vs Szabo, Laszlo — 1-0 — Budapest HUN
1953 — Bolbochan, Jacobo vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1953 — Boey, Josef vs Siemms, Ross E — 1/2-1/2 — Wch U20 fin-A
7.Qc2 — 12.4% (335 parties)
1950 — Ricci, Giorgio vs Staldi, Cherubino — 0-1 — Sorrento ITA
1950 — Ricci, Marco vs Staldi, Cherubino — 0-1 — Sorrento ch
1951 — Rapaka Samuel Paul vs Byrne, Robert E — 1-0 — New York, NY USA
1951 — Rapaka Samuel Paul vs Byrne, Robert E — 1-0 — New York, NY USA
1952 — Geller, Efim P. vs Prado, Lucas Muller — 1-0 — Helsinki olm