C45q —
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6 7.Nc3
Eval: [+0.15]
Les coups candidats
7…d6 — 36.7% (313 parties)
Ambassadeurs : Van der Wiel, John T.H. (11x), Vajda, Levente (7x), Welz, Peter, Dr. (5x), Kowalska, Elzbieta (4x), Toth, Tamas (4x), Kucera, Petr (3x), Vajda, Albert (3x), Markus, Roland (3x)
Ambassadeurs : Welz, Peter, Dr. (6x), Toth, Tamas (5x), Brown, Paul (4x), Da Silva Filho, Alcindo Luz Bastos (4x), Kucera, Petr (3x), Markus, Roland (3x), Macak, Stefan (3x), Sawlin, Leonid (3x)
Ambassadeurs : Welz, Peter, Dr. (4x), Buisman, Albert (2x), Sowray, Peter J (2x), Stoica, Valentin (2x), Orlowski, Ryszard (2x), Hertel, Peter (2x), Kucera, Petr (2x), Lazarne Vajda, Szidonia (2x)
7…Nge7 — 12.8% (109 parties)
Ambassadeurs : Unzicker, Wolfgang (4x), Welz, Peter, Dr. (4x), Veroci, Zsuzsa (3x), Westerinen, Heikki M.J. (3x), Addison, Wiliam G (2x), Portisch, Lajos (2x), Botterill, George S. (2x), Brown, Paul (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…d6 7…Nf6 7…Qf6 7…Nge7
<1800 23 48% 30% 13% 4%
1800-2200 244 38% 30% 17% 13%
2200-2600 235 42% 26% 17% 15%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 7…d6 7…Nf6 7…Qf6 7…Nge7
1950s 7 14% 14% 57% 14%
1960s 24 21% 8% 25% 33%
1970s 78 29% 22% 29% 18%
1980s 128 27% 25% 26% 20%
1990s 222 37% 26% 26% 9%
2000s 251 46% 27% 16% 10%
2010s 133 36% 38% 14% 11%
2020s 9 33% 56% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…d6 36% 33% ▼ -2.8%
7…Nf6 38% 56% ▲ +18.0%
7…Qf6 14% 0% ▼ -13.5%
7…Nge7 11% 11% ▲ +0.6%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Parties historiques
7…d6 — 36.7% (313 parties)
1954 — Wade, Robert G vs Mulcahy, Edmond — 1-0 — Munich GER
1963 — Smejkal, Jan vs Kupka, Slavoj — 1/2-1/2 — Telnice/Usti
1964 — Barczay, Laszlo vs Sapi, Laszlo — 1/2-1/2 — Budapest HUN
1965 — Schuravlev vs Engel Christian — 1/2-1/2 — cr.
1968 — Czerniak, Moshe vs Boey, Josef — 0-1 — Lugano SUI
7…Nf6 — 27.2% (232 parties)
1956 — Yukhtman, Yakov vs Stein, Leonid — 1-0 — Moscow ch 8-final
1960 — Berenstein, Alexander vs Stein, Leonid — 0-1 — Kiev UKR
1969 — Bukal, Vladimir Jr. vs Lutikov, Anatoly S — 0-1 — Sarajevo BIH
1970 — Kratochvil, Jiri Sr vs Kraus, Jiri — 0-1 — Harrachov
1971 — Lehtinen, Antti vs Pietila, H. — 0-1 — cr.
7…Qf6 — 21.1% (180 parties)
1954 — Wade, Robert G vs Matanovic, Aleksandar — 0-1 — Belgrade SRB
1954 — Estrin, Yakov vs Uusi, Gunnar — 0-1 — Leningrad RUS
1954 — Shaposhnikov, Yury vs Alatortsev, Vladimir N. — 1/2-1/2 — Riga LAT
1957 — Khenkin, Igor vs Bonch-Osmolovsky, Mikhail — 1-0 — Moscow RUS
1960 — Berenstein, Alexander vs Ousatchi, Mark — 1-0 — Kiev UKR
7…Nge7 — 12.8% (109 parties)
1958 — Bilek, Istvan vs Andersen, Borge — 1/2-1/2 — Munchen olm
1965 — Wade, Robert G vs Robatsch, Karl — 1/2-1/2 — Havana CUB
1966 — Barczay, Laszlo vs Addison, Wiliam G — 1-0 — Havana CUB
1967 — Musil, Antonin vs Unzicker, Ferdinand, Dr. — 0-1 — Maribor
1968 — Boey, Josef vs Westerinen, Heikki M.J. — 1-0 — Lugano SUI