D36a - 6.Qc2 - Exchange

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D36a — Exchange
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2
Eval: [+0.21]
Les coups candidats
Ambassadeurs : Horvath, Maria (12x), Baburin, Alexander (10x), Halliwell, Toni (10x), Kantorik, Marian (8x), Huang, Qiuyu (7x), Grazinys, Vidmantas (6x), Van der Sterren, Paul (6x), Rawlings, Alan J C (6x)
6…h6 — 13.1% (744 parties)
Ambassadeurs : Rawlings, Alan J C (16x), Boguszlavszkij, Jevgenyij (12x), Halliwell, Toni (7x), Sharpe, Sam (6x), Petersons, Indulis (5x), Burmeister, Ferdinand (4x), Mamedyarov, Shakhriyar (4x), L'Ami, Erwin (4x)
6…Nbd7 — 8.8% (500 parties)
Ambassadeurs : Lacrosse, Marc (8x), Cervello Tost, Roger (4x), Rivas Maceda, Juan (4x), Raicevic, Vladimir (3x), Ziabari, Morteza (3x), Kozlov, Oleg (3x), Horvath, Maria (3x), Plachetka, Jan (2x)
Ambassadeurs : Repkova, Eva (8x), Lengyel, Bela (6x), Rissotti, Laureano (5x), Lu, Shanglei (5x), Nenciulescu, Silviu (4x), Cobb, James (4x), Spassky, Boris V. (3x), Ljubojevic, Ljubomir (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Be7 6…h6 6…Nbd7 6…Na6
<1800 179 58% 13% 11% 1%
1800-2200 2234 59% 13% 9% 5%
2200-2600 2281 57% 13% 9% 11%
2600+ 157 55% 25% 2% 14%
Évolution par décennie (% des parties)
Décennie N parties 6…Be7 6…h6 6…Nbd7 6…Na6
1950s 33 58% 12% 15% 6%
1960s 31 55% 13% 3% 16%
1970s 23 74% — 13% 9%
1980s 140 59% 1% 14% 18%
1990s 808 68% 4% 10% 11%
2000s 1472 64% 6% 10% 9%
2010s 2339 58% 16% 8% 7%
2020s 817 44% 29% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Be7 58% 44% ▼ -14.1%
6…h6 16% 29% ▲ +13.6%
6…Nbd7 8% 6% ▼ -2.3%
6…Na6 7% 2% ▼ -4.7%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Kramnik, Vladimir — 5 parties
Carlsen, Magnus — 5 parties
Ju, Wenjun — 2 parties
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Parties historiques
6…Be7 — 58.9% (3333 parties)
1950 — Staldi, Cherubino vs Stalda, Giuseppe — 0-1 — Venice ITA
1951 — Reshevsky, Samuel vs Guimard, Carlos E — 1-0 — New York, NY USA
1951 — Reshevsky, Samuel vs Guimard, Carlos E — 1-0 — New York, NY USA
1952 — Kotov Lundqvist, Alex vs Yudovich, Mikhail M — 1/2-1/2 — Moscow RUS
1954 — Euwe, Max vs Beni, Alfred — 1-0 — Zurich SUI
6…h6 — 13.1% (744 parties)
1952 — Belem Luciano vs Santiago Oliveira Ernani — 1-0 — ?
1955 — Taimanov, Mark vs Averbakh, Yuri L — 1/2-1/2 — Moskou ch-URS
1958 — Lombardy, William J vs Sumar, Julio — 1-0 — Mar del Plata ARG
1959 — Incutto, Carlos vs Contreras Daza, Victor Samuel — 1-0 — Buenos Aires ARG
1960 — Gheorghiu, Florin vs Radulescu, Mihai — 1-0 — Bucharest ROU
6…Nbd7 — 8.8% (500 parties)
1956 — Khalilbeili, Sultan vs Chukaev, Egor — 1-0 — Tbilisi GEO
1957 — Reshevsky, Samuel vs Mogle, Al — 0-1 — Winnipeg CAN
1958 — Osbun, Erik vs McGinley, Charles — 1-0 — Oakland
1959 — Weber, Bernd, Dr. vs Etzold Werner — 1-0 — Leipzig GER
1959 — Zurakhov, Vladlen Y vs Feldman, Steven — 0-1 — Kiev UKR
6…Na6 — 7.8% (440 parties)
1956 — Spassky, Boris V. vs Szabo, Laszlo — 1/2-1/2 — Amsterdam NED
1956 — Spassky, Boris V. vs Szabo, Ladislav — 1/2-1/2 — Amsterdam NED
1960 — Antoshin, Vladimir S vs Mohrlok, Dieter — 1/2-1/2 — Hamburg WGER-USSR
1960 — Portisch, Lajos vs Barcza, Gedeon — 1/2-1/2 — Budapest HUN
1962 — Sliwa, Bogdan vs Fischer, Robert J — 0-1 — Warsaw POL