B70c - 7.Bg2 - Dragon (1936)

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B70c — Dragon (1936)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.g3 Nc6 7.Bg2
Les coups candidats
7…Nxd4 — 63.1% (977 parties)
Ambassadeurs : Popovic, Petar (14x), Benjamin, Joel (5x), Jirovsky, Pavel (5x), Lanzendoerfer, Johannes (4x), Voigt, Martin (4x), Mach, Holger, Dr. (4x), Kuttner, Jaromir (4x), Kieninger, Georg (3x)
7…Bd7 — 20.5% (317 parties)
Ambassadeurs : Czerniak, Moshe (3x), Kaushansky, Leonid (3x), Gurevich, Dmitry (3x), Fayzullaev, Akmal (3x), Onyshchuk, Volodymyr (3x), Penrose, Jonathan (2x), Gligoric, Svetozar (2x), Mititelu, Gheorghe (2x)
7…Bg7 — 11.0% (170 parties)
Ambassadeurs : Filipenko, Alexander V (3x), Abiolla James (2x), Heintze, Marion (2x), Kiss, Laszlo (2x), Mestel, A Jonathan (2x), Yrjola, Jouni (2x), Prudnikova, Svetlana (2x), Shogdzhiev, Roman (2x)
7…Bg4 — 4.5% (70 parties)
Ambassadeurs : Velimirovic, Dragoljub (2x), Popovic, Petar (2x), Martin Gonzalez, Angel (2x), Mueller, Matthias (2x), Schmidt-Schaeffer, Sebastian, Dr. (2x), Fletcher, Andrew (1x), Sarapu, Ortvin (1x), De Ruiter, Tom (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nxd4 7…Bd7 7…Bg7 7…Bg4
<1800 53 49% 8% 36% 4%
1800-2200 440 53% 27% 17% 2%
2200-2600 880 71% 17% 6% 6%
2600+ 28 75% 14% 4% 7%
Évolution par décennie (% des parties)
Décennie N parties 7…Nxd4 7…Bd7 7…Bg7 7…Bg4
1950s 42 48% 36% 10% 7%
1960s 26 54% 35% 4% 4%
1970s 28 46% 36% 11% 4%
1980s 148 73% 11% 6% 10%
1990s 381 65% 17% 13% 5%
2000s 368 61% 20% 13% 4%
2010s 383 60% 26% 10% 3%
2020s 173 70% 17% 11% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nxd4 60% 70% ▲ +10.2%
7…Bd7 26% 17% ▼ -8.5%
7…Bg7 10% 11% ▲ +1.1%
7…Bg4 3% 1% ▼ -2.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Hou, Yifan — 3 parties
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7…Nxd4 — 63.1% (977 parties)
1951 — Prins, Lodewijk vs Gligoric, Svetozar — 1-0 — ?
1952 — Bosch van Rosenthal, Edzard vs Fuderer, Andrija — 1/2-1/2 — Beverwijk NED
1952 — Evans, Larry vs Rapaka Samuel Paul — 0-1 — Havana CUB
1953 — Keres, Paul Petrovich vs Gligoric, Sofija — 1/2-1/2 — Zurich SUI
1954 — Czerniak, Moshe vs Nedeljkovic, Aleksandar — 0-1 — Belgrade SRB
7…Bd7 — 20.5% (317 parties)
1950 — Van Steenis, Hendrik Jan vs Nedeljkovic, Srecko M — 1/2-1/2 — ?
1951 — Pilnik, Herman vs Kopetzky, Karl — 1-0 — Vienna AUT
1951 — Matanovic, Aleksandar vs Gligoric, Svetozar — 1/2-1/2 — Ljubljana
1951 — Milic, Borislav vs Gligoric, Svetozar — 0-1 — Sarajevo BIH
1952 — Vlagsma, Chris vs Babel, Amay — 1-0 — Detmold
7…Bg7 — 11.0% (170 parties)
1951 — Barker, Malcolm Neil vs Harris, Peter A — 1-0 — Birmingham ENG
1954 — Abiolla James vs Keffler — 0-1 — Edinburgh SCO
1955 — Abiolla James vs Wheatcroft, George — 1-0 — Aberystwyth
1959 — Brzozka, Stefan vs Filipowicz, Andrzej — 1-0 — Lodz ch
1966 — Weiss, Augustin vs Padevsky, Nikola — 0-1 — Harrachov
7…Bg4 — 4.5% (70 parties)
1952 — Fletcher, Andrew vs Sarapu, Ortvin — 0-1 — New Zealand ch
1955 — Betak Miroslav vs Knapp, Jr — 1/2-1/2 — Prague CZE
1956 — Williams, Mike vs Szabo, Laszlo — 1-0 — Montreal CAN
1969 — De Ruiter, Tom vs Ree, Hans — 1-0 — Leeuwarden ch-NED
1977 — Romanishin, Oleg M vs Wockenfuss, Klaus — 1-0 — Mexico City MEX