B07a - 2.* - Pirc Defense (1957)

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B07a — Pirc Defense (1957)
1.e4 d6
Les coups candidats
Ambassadeurs : Pribyl, Josef (401x), ? (285x), Azmaiparashvili, Zurab (211x), Rukavina, Josip (155x), Kadonas, Kestutis (143x), Timman, Jan H (129x), Gipslis, Aivars (128x), Kireev, Aleksei (111x)
Ambassadeurs : Lyell, Mark (26x), Tochtermann, Georg, Dr. (17x), Mitkov, Nikola (17x), Short, Nigel D (15x), Larmuseau, Maarten (12x), Helin, Mikael (12x), Narciso Dublan, Marc (11x), Lundin, Jan (11x)
Ambassadeurs : Moody, David W (13x), Christensen, Esben (11x), Wall, Bill (10x), Vieth, Martin (9x), ? (9x), Wall, Alejandro (7x), Moerschel, Natalie (7x), Sorbun, Cristinel (7x)
Ambassadeurs : Braun, Gottfried, Dr. (8x), Vlassov, Nikolai (8x), Eisinger, Max Jr (6x), Rogers, Cathy (6x), Martin Gonzalez, Angel (6x), Lubczynski, Rafal (6x), Hojgaard, Samson (5x), Kopkan, Pavel (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.d4 2.Nc3 2.Nf3 2.f4
<1800 18129 85% 3% 6% 2%
1800-2200 96445 90% 3% 3% 1%
2200-2600 66306 94% 3% 1% 1%
2600+ 1477 96% 2% 0% 1%
Évolution par décennie (% des parties)
Décennie N parties 2.d4 2.Nc3 2.Nf3 2.f4
1950s 879 89% 2% 2% 5%
1960s 2164 93% 2% 2% 2%
1970s 4750 93% 2% 1% 1%
1980s 8442 93% 2% 2% 1%
1990s 40030 90% 3% 3% 2%
2000s 66960 90% 3% 3% 1%
2010s 74661 90% 3% 3% 1%
2020s 20025 91% 3% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.d4 90% 91% ▲ +1.0%
2.Nc3 3% 3% -0.4%
2.Nf3 3% 3% +0.2%
2.f4 1% 1% -0.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Gukesh D — 9 parties
Ju, Wenjun — 5 parties
Smyslov, Vladimir — 2 parties
Karpov, Aleksandr — 2 parties
Ding, Liren — 1 partie
Parties historiques
2.d4 — 90.0% (196223 parties)
1950 — Pfeiffer, Gerhard vs Trifunovic, Petar — 1/2-1/2 — Dubrovnik olm
1950 — Trifunovic, Petar vs Pirc, Vasja — 1/2-1/2 — Mar del Plata ARG
1950 — Castiglioni, Andre Lazzari vs Dantes La Primavera — 1-0 — Venice ITA
1950 — Henneberger, Walter vs Bachmann, Philipp — 1-0 — Lucerne SUI
1950 — Szily, Jozsef vs Monostori, Lajos — 1-0 — Budapest HUN
2.Nc3 — 3.2% (6916 parties)
1951 — German, Eugenio vs De Freitas, Marcio Elisio — 1/2-1/2 — Fortaleza ch BRA
1953 — Luczynowicz, Waclaw vs Partyka, Kazimierz — 1/2-1/2 — Krakow POL
1955 — Jezek, Jaroslav vs Bilozor, Olexander — 1-0 — Brno ch CZE sf
1957 — Demidovich, Nikolay vs Golubev, Vladimir — 1-0 — ?
1957 — Yepez, Osvaldo vs Saidy, Anthony — 0-1 — Reykjavik ISL
2.Nf3 — 3.0% (6437 parties)
1950 — Pogats, Jozsef Jr. vs Benko, Pal — 1-0 — Budapest HUN
1951 — Bogoljubow, Efim vs Meister, Alexander — 1-0 — France
1951 — Otto, Arnold vs Schlieder, Rolf — 0-1 — Schwerin GER
1952 — Rodriguez Camio, Adolfo vs Wexler, Bernardo — 0-1 — Rosario ARG
1953 — Watzal, Dennis vs Napolitano, Christian — 0-1 — cr.
2.f4 — 1.3% (2873 parties)
1950 — Johansson, Ingemar 1966 vs Pirc, Vasja — 0-1 — Dubrovnik olm
1951 — Donk, HJ. vs Donner, Jan-Hein — 1-0 — Winterwedstrijd
1951 — Eisinger, Max Jr vs Alfred, Le Bron — 1-0 — Duesseldorf GER
1951 — Corte, Cesar J vs Rebizzo, Cayetano — 1/2-1/2 — Buenos Aires ARG
1951 — Kinzel, Anton vs Mueller, Hans — 1-0 — Vienna AUT