B40c - 3.b3 - French Variation, Westerinen Attack (1925)

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B40c — French Variation, Westerinen Attack (1925)
1.e4 c5 2.Nf3 e6 3.b3
Les coups candidats
Ambassadeurs : Miezis, Normunds (15x), Cabarkapa, Novak (12x), Barbu, George-Viorel (11x), Dragojlovic, Andjelko (8x), Boehnisch, Manfred (7x), Kostov, Kosta Georgiev (6x), Sperdokli, Elli (6x), Choisy, Mathilde (6x)
3…b6 — 23.2% (2393 parties)
Ambassadeurs : Antipov, Mikhail Al. (22x), Onyshchuk, Volodymyr (14x), Kovalevskaya, Ekaterina (11x), Ardeleanu, Alin (11x), Mammadova, Gulnar (10x), Schneider, David (8x), Pedzich, Dominik (8x), Pikula, Dejan (8x)
Ambassadeurs : Barbu, George-Viorel (17x), Boehnisch, Manfred (14x), Velikov, Petar (11x), Miljanic, Boro (9x), Oral, Tomas (8x), Westerinen, Heikki M.J. (7x), Fette, Martin (7x), Rublevsky, Sergei (7x)
3…a6 — 16.4% (1698 parties)
Ambassadeurs : Mammadova, Gulnar (11x), Iotov, Valentin (8x), Bousios, Hristos (6x), Kaenel, Hansjuerg (6x), Skripchenko, Almira (6x), Pedzich, Dominik (6x), Tunik, Gennady (6x), Perunovic, Milos (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Nc6 3…b6 3…d6 3…a6
<1800 427 33% 11% 15% 13%
1800-2200 3744 32% 18% 14% 15%
2200-2600 5574 22% 29% 18% 18%
2600+ 149 14% 29% 18% 30%
Évolution par décennie (% des parties)
Décennie N parties 3…Nc6 3…b6 3…d6 3…a6
1950s 6 33% — — —
1960s 10 40% — 30% 10%
1970s 159 24% 8% 31% 3%
1980s 441 23% 12% 30% 12%
1990s 1302 26% 20% 22% 12%
2000s 2812 25% 22% 20% 14%
2010s 3802 26% 26% 15% 18%
2020s 1796 29% 26% 8% 23%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Nc6 26% 29% ▲ +3.4%
3…b6 26% 26% ▲ +0.6%
3…d6 15% 8% ▼ -7.3%
3…a6 18% 23% ▲ +4.7%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 10 parties
Kasparov, Garry — 8 parties
Tal, Mikhail — 7 parties
Smyslov, Vladimir — 2 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Hou, Yifan — 1 partie
Parties historiques
3…Nc6 — 26.1% (2698 parties)
1958 — Bhend, Edwin vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Chaumont Neuchatel
1958 — Simagin, Vladimir vs Gipslis, Aivars — 1/2-1/2 — Tashkent ch URS sf
1964 — Tal, Mikhail vs Peters, Alexander John — 1/2-1/2 — Kiev ch-SU
1964 — Tal, Mikhail vs Peterson, Andrejs — 1/2-1/2 — Kiev ch-URS
1967 — Muhutdinov, Marat vs Mnatsakanian, Eduard A — 1/2-1/2 — Moscow RUS
3…b6 — 23.2% (2393 parties)
1971 — Westerinen, Heikki M.J. vs Capelan, Guenter — 1-0 — Berlin West
1975 — Seret, Jean-Luc vs Mariotti, Sergio — 1-0 — Ostende tt
1977 — Westerinen, Heikki M.J. vs Benjamin, Joel — 0-1 — New York, NY USA
1977 — Lein, Andreas vs Garcia Palermo, Carlos Horacio — 1-0 — Lone Pine open
1978 — Gurieli, Nino vs Sternina, Vera E — 1-0 — USSR Wch
3…d6 — 16.8% (1732 parties)
1965 — Bhend, Edwin vs Cuijpers, Frans Andre — 0-1 — Berlin GER
1966 — Rocha, Antonio vs Rubinetti, Jorge — 1/2-1/2 — Rio Hondo zt
1969 — Kholmov, Ratmir D vs Tukmakov, Vladimir B — 1-0 — Moskou ch-URS
1970 — Westerinen, Heikki M.J. vs Huebner, Robert — 0-1 — Sombor
1971 — Boehnisch, Manfred vs Donnert, Milan — 0-1 — Leipzig GER
3…a6 — 16.4% (1698 parties)
1960 — Moppett, Arthur vs Collins, Richard — 0-1 — Hayes
1973 — Makarichev, Sergey vs Beliavsky, Alexander G — 0-1 — Riga jr
1973 — Boehnisch, Manfred vs Boehlig, Heinz, Dr. — 1-0 — Olomouc CZE
1973 — Chekhov, Valery A vs Kozlov, Vladimir N — 1-0 — Odessa UKR
1977 — Biriescu, Ioan vs Illijin, Neboisa — 1/2-1/2 — Timisoara