A32h - 5…Qc7 - Symmetrical, Two Knights (1945)

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A32h — Symmetrical, Two Knights (1945)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qc7
Les coups candidats
6.Nc3 — 38.0% (343 parties)
Ambassadeurs : Sosonko, Gennadi (6x), Ljubojevic, Ljubomir (5x), Nielsen, Peter Heine (5x), Quinteros, Miguel A. (4x), Psakhis, Lev (4x), Alekseev, Evgeny (4x), Flear, Glenn C (3x), Rashkovsky, Nukhim N (3x)
6.Nd2 — 25.0% (226 parties)
Ambassadeurs : Rashkovsky, Nukhim N (9x), Nogueiras Santiago, Jesus (4x), Gurevich, Dmitry (3x), Haba, Petr (3x), Hracek, Zbynek (3x), Tukmakov, Vladimir B (3x), Adeyemi, Phebe Adesinuola (3x), Trifunovic, Petar (2x)
6.b3 — 19.9% (180 parties)
Ambassadeurs : Alekseev, Evgeny (3x), Kaposztas, Miklos (2x), Karpov, Anatoly (2x), Camarena Jimenez, Rufino (2x), Parligras, Mircea-Emilian (2x), Smagin, Sergey (1x), Bjork, Carl-Magnus (1x), Svensson, Bengt 1960 (1x)
6.Bg2 — 6.6% (60 parties)
Ambassadeurs : Knaak, Rainer (2x), Jahnel, Guenther (1x), Rashkovsky, Nukhim N (1x), Kapengut, Albert (1x), Kozma, Julius (1x), Djuric, Stefan (1x), Antonov, Vladimir (1x), Schaefer, Andreas (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Nc3 6.Nd2 6.b3 6.Bg2
<1800 11 45% — 18% —
1800-2200 167 34% 20% 23% 8%
2200-2600 593 37% 26% 21% 7%
2600+ 54 59% 26% 9% 4%
Évolution par décennie (% des parties)
Décennie N parties 6.Nc3 6.Nd2 6.b3 6.Bg2
1950s 3 — 100% — —
1960s 2 — 50% — —
1970s 47 49% 28% 4% 11%
1980s 108 40% 31% 13% 5%
1990s 117 31% 32% 21% 4%
2000s 235 35% 24% 22% 9%
2010s 312 41% 21% 22% 6%
2020s 79 38% 20% 25% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Nc3 41% 38% ▼ -3.4%
6.Nd2 21% 20% -0.3%
6.b3 22% 25% ▲ +3.5%
6.Bg2 6% 8% ▲ +1.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6.Nc3 — 38.0% (343 parties)
1973 — Heinig, Wolfram, Dr. vs Liebert, Heinz — 1/2-1/2 — Erfurt ch DDR
1973 — Rashkovsky, Nukhim N vs Suetin, Alexey S — 1-0 — USSR
1973 — Jonscher, Peter vs Hesselbarth, Karlheinz, Dr. — 0-1 — corr DDR-PZ
1974 — Chellstorp, Craig vs Kaplan, Julio — 1/2-1/2 — Houston Houston, TX USA
1976 — Rashkovsky, Nukhim N vs Vaganian, Rafael A — 1-0 — Moskou ch-URS
6.Nd2 — 25.0% (226 parties)
1951 — Udovcic, Mijo vs Trifunovic, Petar — 1/2-1/2 — Sarajevo BIH
1954 — Khalilbeili, Sultan vs Sidorov, Nikolai — 1/2-1/2 — Riga LAT
1959 — Trifunovic, Petar vs Ugrinovic, Dragan — 1-0 — Kragujevac ch14-YUG
1966 — Bachtiar, Arovah vs Ojanen, Kaarle S — 1/2-1/2 — Havana CUB
1973 — Furman, Semyon vs Kaplan, Julio — 1-0 — Madrid ESP
6.b3 — 19.9% (180 parties)
1976 — Kaposztas, Miklos vs Kertesz, Alfred — 1/2-1/2 — Satu-Mare ROU
1976 — Hansson, Ronald vs Korman, Ulf — 0-1 — ?
1980 — Bjork, Carl-Magnus vs Svensson, Bengt 1960 — 1/2-1/2 — ?
1980 — Luczak, Andrzej vs Vogt, Lothar — 0-1 — Polanica Zdroj POL
1980 — Kerkmeester, Jan vs Van der Sterren, Paul — 0-1 — Dieren NED
6.Bg2 — 6.6% (60 parties)
1972 — Rashkovsky, Nukhim N vs Kapengut, Albert — 1/2-1/2 — Baku ch-URS
1975 — Jahnel, Guenther vs Knaak, Rainer — 0-1 — Meissen
1975 — Kozma, Julius vs Knaak, Rainer — 0-1 — Leipzig GER
1975 — Govashelishvili, Genadij vs Guseinov, Aidyn — 0-1 — Baku AZE
1976 — Holst, Conny vs Thapper, Roland — 0-1 — corr SWE/K tt