A26m - 6.e4 Nf6 7.Nge2 - Botvinnik System (1957)

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A26m — Botvinnik System (1957)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nge2
Les coups candidats
7…O-O — 57.2% (353 parties)
Ambassadeurs : Zenyuk, Iryna (3x), Barlag, Christoph (3x), Zapata, Alonso (3x), Rabassa, Luis (1x), Primavera, Roberto (1x), Botvinnik, Mikhail (1x), Aditya Balu Jadhav (1x), Pogrebissky, Iosif (1x)
7…Be6 — 21.2% (131 parties)
Ambassadeurs : Cheng, Winter (2x), Gadia, Olicio (1x), Asfora, Eduardo Hasbum (1x), Botvinnik, Mikhail (1x), Soderborg, Berndt (1x), Muslimova, Aida (1x), Idelchik, Liubov M (1x), Byrne, David (1x)
7…Nd7 — 5.8% (36 parties)
Ambassadeurs : Nijboer, Friso (3x), Karlsson, Lars 1937 (2x), Pape, Manfred (2x), Djantar, Djordje (1x), Bertok, Mario Jr. (1x), Vukovic, Sava (1x), Gereben, Erno (1x), De Eccher, Stefano (1x)
7…Bg4 — 5.0% (31 parties)
Ambassadeurs : Verdnikov, Vladimir (1x), Zagrekov, Vladimir (1x), Saakova, Anzhelina (1x), Ranniku, Maaja (1x), Schuster, Michael (1x), Loimayr, Georg (1x), Jeske, Eckhard (1x), Thomaschke, Dirk (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…O-O 7…Be6 7…Nd7 7…Bg4
<1800 36 58% 22% 3% 11%
1800-2200 293 55% 25% 3% 5%
2200-2600 209 60% 16% 11% 3%
2600+ 4 75% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…O-O 7…Be6 7…Nd7 7…Bg4
1950s 4 50% — 50% —
1960s 11 36% 45% — —
1970s 5 40% 40% — 20%
1980s 19 47% 32% 11% 5%
1990s 93 57% 27% 1% 3%
2000s 174 56% 19% 6% 7%
2010s 254 60% 20% 7% 4%
2020s 57 56% 18% 5% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…O-O 60% 56% ▼ -4.1%
7…Be6 20% 18% ▼ -2.1%
7…Nd7 7% 5% ▼ -1.8%
7…Bg4 4% 7% ▲ +3.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Parties historiques
7…O-O — 57.2% (353 parties)
1956 — Botvinnik, Mikhail vs Aditya Balu Jadhav — 1/2-1/2 — Moscow RUS
1956 — Pogrebissky, Iosif vs Alexander, Ken R D — 1-0 — Kiev UKR
1963 — Wexler, Bernardo vs Herrera, Fernando — 1-0 — Buenos Aires ch-ARG
1964 — Rabassa, Luis vs Primavera, Roberto — 1-0 — Krakow POL
1966 — Lehmann, Heinz vs Cuijpers, Frans Andre — 1/2-1/2 — Beverwijk NED
7…Be6 — 21.2% (131 parties)
1961 — Byrne, David vs Kramer, Gerald — 1/2-1/2 — New York ch-USA
1962 — Botvinnik, Mikhail vs Soderborg, Berndt — 1-0 — Stockholm SWE
1965 — Gadia, Olicio vs Asfora, Eduardo Hasbum — 1-0 — ?
1968 — Muslimova, Aida vs Idelchik, Liubov M — 1/2-1/2 — Riga LAT
1969 — Perez Cascella, Julio vs Miana Eliana — 1-0 — Buenos Aires ch-ARG
7…Nd7 — 5.8% (36 parties)
1957 — Vukovic, Sava vs Gereben, Erno — 1/2-1/2 — San Benedetto
1959 — Djantar, Djordje vs Bertok, Mario Jr. — 1/2-1/2 — Kragujevac ch14-YUG
1981 — Karlsson, Lars 1937 vs Ciocaltea, Victor — 1/2-1/2 — Nice FRA
1988 — De Eccher, Stefano vs Topalov, Veselin — 0-1 — Forli open
1997 — Mena Borras, Mario vs Andreasson, Ingvar — 0-1 — Benasque ESP
7…Bg4 — 5.0% (31 parties)
1971 — Saakova, Anzhelina vs Ranniku, Maaja — 1-0 — Sochi RUS
1989 — Verdnikov, Vladimir vs Zagrekov, Vladimir — 1/2-1/2 — Simferopol UKR
1990 — Hold, Andre vs Forbrich, H. — 1/2-1/2 — RLNN 8990
1998 — Schuster, Michael vs Loimayr, Georg — 1/2-1/2 — Austria
1999 — Jeske, Eckhard vs Thomaschke, Dirk — 1/2-1/2 — GER