D40i - 6.a3 - Semi-Tarrasch (1905)

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D40i — Semi-Tarrasch (1905)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3
Les coups candidats
Ambassadeurs : Tal, Mikhail (12x), Bakheet Farag (9x), Parma, Bruno (8x), Ivkov, Borislav (8x), Polugaevsky, Lev (7x), Unzicker, Ferdinand, Dr. (7x), Wedberg, Tom (7x), Knezevic, Milorad (6x)
Ambassadeurs : Ivkov, Borislav (11x), Sveshnikov, Evgeny (9x), Bakheet Farag (7x), Forintos, Gyozo V (5x), Guimard, Carlos E (5x), Oestreich, Reinhard (5x), Daurelle, Herve (5x), Letelier Martner, Rene (4x)
Ambassadeurs : Ivkov, Borislav (5x), Nepomniachtchi, Ian (5x), Fressinet, Laurent (4x), Ljubojevic, Ljubomir (3x), Gelfand, Boris (3x), Kanyamarala, Tarun (3x), Shimanov, Aleksandr (3x), Petrosian, Tigran V. (2x)
Ambassadeurs : Ivkov, Borislav (5x), Petrosian, Tigran V. (4x), Hort, Vlastimil (4x), Kiik, Kalle (4x), Teschner, Rudolf (3x), Benko, Pal (3x), Miguel, Nahuel (3x), Vaisser, Anatoli (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…a6 6…cxd4 6…dxc4 6…Ne4
<1800 274 35% 18% 8% 4%
1800-2200 1637 41% 28% 10% 5%
2200-2600 2623 49% 25% 11% 9%
2600+ 144 53% 10% 28% 7%
Évolution par décennie (% des parties)
Décennie N parties 6…a6 6…cxd4 6…dxc4 6…Ne4
1950s 86 26% 37% 15% 13%
1960s 204 30% 40% 11% 6%
1970s 277 40% 26% 8% 17%
1980s 458 50% 31% 4% 10%
1990s 960 41% 28% 7% 10%
2000s 1243 41% 28% 7% 8%
2010s 1482 49% 23% 9% 5%
2020s 737 41% 18% 30% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…a6 49% 41% ▼ -8.8%
6…cxd4 23% 18% ▼ -5.5%
6…dxc4 9% 30% ▲ +20.5%
6…Ne4 5% 4% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Anand, Viswanathan — 7 parties
Kasparov, Garry — 6 parties
Gukesh D — 4 parties
Botvinnik, Mikhail — 3 parties
Ding, Liren — 3 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 1 partie
Parties historiques
6…a6 — 43.4% (2363 parties)
1950 — Boulahanis, Ioannis vs Rossetto, Hector — 1-0 — Dubrovnik CRO
1950 — Pinzon Solis, Felipe vs Helle, Soini — 1/2-1/2 — Dubrovnik olm
1951 — Herrmann, Ludwig vs Koch, Berthold — 1/2-1/2 — Sopot
1953 — Pirc, Vasja vs Porreca, Giorgio — 1-0 — Bled SLO
1953 — Schlieder, Rolf vs Pakulla, Rudolf — 1/2-1/2 — Jena GER
6…cxd4 — 26.0% (1416 parties)
1950 — Trifunovic, Petar vs Horowitz, Albert Israel — 1/2-1/2 — USA
1950 — Ufimtsev, Anatoly vs Abramovich Furman, Semyon — 1-0 — URS-ch sf Gorky
1950 — Guimard, Carlos E vs Trifunovic, Petar — 1/2-1/2 — Mar del Plata ARG
1951 — Barda, Olaf vs Pytlakowski, Andrzej — 1-0 — Marianske Lazne zt
1951 — Florian, Tibor vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
6…dxc4 — 10.9% (594 parties)
1950 — Ullrich, Bruno vs Krause, Kurt — 0-1 — Soemmerda GER
1951 — Ader Hausman, Walter vs Letelier Martner, Rene — 0-1 — Santiago de Chile
1952 — Pirc, Vasja vs O'Kelly, Albéric de Galway — 1-0 — Belgrade SRB
1952 — Petrosian, Tigran V. vs Prins, Lodewijk — 1/2-1/2 — Stockholm izt
1952 — Pytlakowski, Andrzej vs Oren, Menachem — 0-1 — Helsinki olm
6…Ne4 — 7.6% (414 parties)
1951 — Makarczyk, Kazimierz vs Karastoichev, Emil — 1/2-1/2 — Bucharest ROU
1951 — Trifunovic, Petar vs Kostic, Boris — 1-0 — Yugoslavia
1953 — Makogonov, Vladimir vs Lipnitsky, Isaac — 0-1 — Baku AZE
1953 — Makogonov, Vladimir vs Lipnitsky, Isaac — 0-1 — Leningrad RUS
1953 — Ivkov, Borislav vs Olafsson, Fridrik — 1-0 — Copenhagen DEN