A77i - 12.Qc2 - Classical, Main Line (1953)

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A77i — Classical, Main Line (1953)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Nbd7 11.a4 a6 12.Qc2
Les coups candidats
12…Ne5 — 38.4% (263 parties)
Ambassadeurs : Portisch, Lajos (3x), Velimirovic, Dragoljub (3x), Huss, Andreas (2x), Kahl, Fred (2x), Kottnauer, Cenek (1x), Rajan, HV. (1x), Carlsson, Ake (1x), Ahman, Ernst (1x)
12…Rb8 — 31.4% (215 parties)
Ambassadeurs : Hartoch, Robert G (3x), Darga, Klaus (2x), Purdy, Cecil J S (2x), Vardi, Ilan (2x), Nadeau, Renaud (2x), Sauermann, Wilfried (2x), Garcia Gonzales, Guillermo (2x), Miles, Anthony J (2x)
12…Qc7 — 9.8% (67 parties)
Ambassadeurs : Boensch, Uwe (2x), Pacheco, Marco (2x), Simons, Rudy (2x), Uhlmann, Wolfgang (1x), Soos, Bela (1x), Minaya, Juan (1x), Garcia, Lance Khian (1x), Petrosian, Tigran V. (1x)
12…Qe7 — 6.0% (41 parties)
Ambassadeurs : Sevillano, Enrico (2x), Franke, Rudolf (1x), Moody, David W (1x), Friedgood, David (1x), Sowray, Peter J (1x), Eckert, Doug (1x), Schiller, Wilfried (1x), Andrews, Todd (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…Ne5 12…Rb8 12…Qc7 12…Qe7
<1800 30 47% 33% — —
1800-2200 251 30% 37% 12% 7%
2200-2600 301 43% 27% 10% 6%
2600+ 5 — 80% — 20%
Évolution par décennie (% des parties)
Décennie N parties 12…Ne5 12…Rb8 12…Qc7 12…Qe7
1950s 7 29% 43% 14% —
1960s 3 67% 33% — —
1970s 32 38% 31% — 6%
1980s 91 59% 27% 7% —
1990s 104 39% 26% 9% 10%
2000s 175 30% 29% 17% 8%
2010s 211 36% 38% 8% 4%
2020s 62 37% 29% 6% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…Ne5 36% 37% ▲ +1.1%
12…Rb8 38% 29% ▼ -9.4%
12…Qc7 8% 6% ▼ -1.6%
12…Qe7 4% 10% ▲ +5.4%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 1 partie
Parties historiques
12…Ne5 — 38.4% (263 parties)
1955 — Scheipl, Ralf vs Hantke, Rolf — 1/2-1/2 — Hoechst ch-GER
1956 — Bakos, Eduard vs Berliner, Hans — 1-0 — Montreal CAN
1965 — Carlsson, Ake vs Ahman, Ernst — 0-1 — ?
1968 — Kottnauer, Cenek vs Rajan, HV. — 1-0 — London ENG
1971 — Haik, Aldo vs Arnason, Bjarni — 1-0 — Groningen NED
12…Rb8 — 31.4% (215 parties)
1955 — Darga, Klaus vs Fuller, Maxwell L — 1/2-1/2 — Hastings ENG
1955 — Darga, Klaus vs Fuller, John — 1/2-1/2 — Hastings ENG
1955 — Schweber, Samuel vs Johannessen, Svein — 0-1 — Antwerp BEL
1963 — Trapl, Jindrich vs Filipowicz, Andrzej — 1-0 — Budva MNE
1970 — Purdy, Cecil J S vs Hartoch, Robert G — 0-1 — Siegen olm AUS-NLD
12…Qc7 — 9.8% (67 parties)
1959 — Uhlmann, Wolfgang vs Soos, Bela — 1/2-1/2 — Balatonfured
1980 — Minaya, Juan vs Garcia, Lance Khian — 0-1 — ?
1982 — Kueng, Ursula vs Slavotinek, Anne — 0-1 — Lucerne SUI
1983 — Petrosian, Tigran V. vs Boensch, Uwe — 1/2-1/2 — Tallinn EST
1983 — Petrosian, Tigran A. vs Boensch, Uwe — 1/2-1/2 — Tallinn EST
12…Qe7 — 6.0% (41 parties)
1978 — Franke, Rudolf vs Moody, David W — 0-1 — ?
1979 — Friedgood, David vs Sowray, Peter J — 1-0 — London ENG
1990 — Meister, Peter vs Meier, Thomas, Dr. — 1-0 — Augsburg GER
1994 — Mont-Reynaud, Jordy vs Falzarano, James — 0-1 — Vermont Resort op
1995 — Schneider, Heiko vs Beck, Rudolf — 0-1 — Ulm