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D36c — Exchange (1934)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2 Be7 7.Nf3
Les coups candidats
Ambassadeurs : Korneev, Oleg (25x), Arkell, Keith C (19x), Ivkov, Borislav (10x), Benko, Pal (8x), Dreev, Aleksey (8x), Portisch, Lajos (7x), Spassky, Boris Vasily (6x), Pietzsch, Wolfgang (4x)
Ambassadeurs : Kovacs, Arthur Dr. (5x), Le, Kieu Thien Kim (4x), Hala, Bohumil (3x), Kaposztas, Miklos (3x), Tuma, Jiri (3x), Filip, Miroslav (2x), Neikirkh, Oleg (2x), Kots, Yuri I (2x)
Ambassadeurs : ? (4x), Rapaka Samuel Paul (3x), Guimard, Carlos E (3x), Vooremaa, Andres (3x), Nogueiras Santiago, Jesus (3x), Varga, Peter (3x), Sapis, Witalis (3x), Savoglou, Nikolaos (3x)
7…Na6 — 6.3% (346 parties)
Ambassadeurs : Ivkov, Borislav (8x), Szabo, Laszlo (4x), Bisguier, Arthur B (4x), Dutreeuw, Marc (4x), Splosnov, Sergei (4x), Uhlmann, Wolfgang (3x), Gretarsson, Helgi Ass (3x), Varga, Peter (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…g6 7…O-O 7…Nbd7 7…Na6
<1800 210 25% 36% 18% 1%
1800-2200 2200 22% 35% 22% 4%
2200-2600 2459 46% 22% 18% 8%
2600+ 65 66% 6% 15% 11%
Évolution par décennie (% des parties)
Décennie N parties 7…g6 7…O-O 7…Nbd7 7…Na6
1950s 56 12% 32% 21% 18%
1960s 108 46% 20% 13% 17%
1970s 68 40% 29% 13% 7%
1980s 356 46% 20% 21% 8%
1990s 1185 26% 30% 23% 10%
2000s 1600 32% 29% 20% 5%
2010s 1685 35% 30% 18% 4%
2020s 423 47% 22% 17% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…g6 35% 47% ▲ +12.0%
7…O-O 30% 22% ▼ -7.8%
7…Nbd7 18% 17% ▼ -1.3%
7…Na6 4% 1% ▼ -3.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Tal, Mikhail — 3 parties
Kasparov, Garry — 2 parties
Carlsen, Magnus — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
7…g6 — 33.6% (1842 parties)
1956 — Szabo, Laszlo vs Filip, Miroslav — 0-1 — Moscow RUS
1956 — Korchnoi, Viktor vs Ivkov, Borislav — 1/2-1/2 — Belgrade SRB
1956 — Portisch, Lajos vs Szily, Jozsef — 1-0 — Budapest HUN
1957 — Taimanov, Mark vs Ivkov, Borislav — 1/2-1/2 — Leningrad RUS
1959 — Szily, Jozsef vs Pogats, Jozsef Jr. — 1/2-1/2 — HUN-ch Budapest HUN
7…O-O — 28.1% (1541 parties)
1950 — Neikirkh, Oleg vs Foltys, Jan — 1/2-1/2 — CSR-BUL Prague CZE
1950 — Liublinsky, Victor vs Konstantinopolsky, Alexander — 1/2-1/2 — Moscow RUS
1950 — Rapaka Samuel Paul vs Gudmundsson, Gudbjartur — 1-0 — Amsterdam NED
1952 — Cobo Arteaga, Eldis vs Aloni, Itzchak — 0-1 — Helsinki olm
1952 — Rapaka Samuel Paul vs Gligoric, Sofija — 1/2-1/2 — New York, NY USA
7…Nbd7 — 19.8% (1084 parties)
1950 — Füster, Géza vs Rethy, Pal — 1-0 — HUN
1951 — Rapaka Samuel Paul vs Guimard, Carlos E — 1-0 — New York, NY USA
1951 — Rapaka Samuel Paul vs Guimard, Carlos E — 1-0 — New York, NY USA
1951 — Szilagyi, Gyorgy Laszlo vs Herrmann, Ludwig — 1-0 — Sopot
1952 — Furman, Semyon vs Khasin, Abram — 1-0 — URS-ch sf Leningrad RUS
7…Na6 — 6.3% (346 parties)
1952 — Ivkov, Borislav vs Fuderer, Andrija — 1/2-1/2 — Belgrade SRB
1956 — Pachman, Ludek vs Filip, Miroslav — 1/2-1/2 — Marianske Lazne/Praha
1956 — Kotov, Alexander vs Spassky, Boris V. — 1/2-1/2 — Leningrad RUS
1957 — Incutto, Carlos vs Sanguinetti, Raul — 0-1 — Mar del Plata ARG
1957 — Incutto, Carlos vs Sanguineti, Raúl Carlos — 0-1 — Mar del Plata ARG