E87a - 7…* - Sämisch Variation, Closed Variation (1936)

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E87a — Sämisch Variation, Closed Variation (1936)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5
Les coups candidats
Ambassadeurs : Pott, Brian (31x), Gligoric, Sofija (15x), Kozul, Zdenko (13x), Polugaevsky, Lev (12x), Gheorghiu, Florin (12x), Timman, Jan H (11x), Ree, Hans (10x), Thipsay, Praveen M (10x)
Ambassadeurs : Uhlmann, Wolfgang (16x), Gheorghiu, Florin (12x), Bazant, Petr (10x), Poldauf, Dirk (9x), Liberzon, Vladimir M (8x), Gligoric, Sofija (8x), Mroczek, Jacek (8x), Sundqvist, Christer (8x)
Ambassadeurs : Berube, Antoine (3x), Schuster, Carlos (2x), Hampek, Miroslav (2x), Tibenszkyne Kiss, Emese (2x), Willitzkat, Torsten (2x), Hesse, Maria (2x), Dion, Jean-Francois (2x), Igaz, Peter (2x)
7…Ne8 — 5.8% (547 parties)
Ambassadeurs : Jenc, Milan (3x), Tkachuk, Konstantyn (3x), Kos, Igor (2x), Atze, Burkhard (2x), Tal, Mikhail (2x), Del Solar, W. (2x), Korchnoi, Viktor (2x), Uhlmann, Wolfgang (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…c6 7…Nh5 7…Nbd7 7…Ne8
<1800 672 32% 28% 14% 9%
1800-2200 3894 38% 34% 8% 7%
2200-2600 2151 50% 40% 2% 2%
2600+ 35 69% 31% — —
Évolution par décennie (% des parties)
Décennie N parties 7…c6 7…Nh5 7…Nbd7 7…Ne8
1950s 294 20% 33% 5% 12%
1960s 393 51% 36% 2% 3%
1970s 393 49% 34% 3% 3%
1980s 698 56% 30% 3% 4%
1990s 2920 46% 35% 7% 5%
2000s 2527 41% 32% 9% 7%
2010s 1923 37% 34% 8% 6%
2020s 288 23% 41% 9% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…c6 37% 23% ▼ -13.7%
7…Nh5 34% 41% ▲ +6.9%
7…Nbd7 8% 9% ▲ +1.0%
7…Ne8 6% 8% ▲ +1.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 8 parties
Botvinnik, Mikhail — 7 parties
Tal, Mikhail — 7 parties
Anand, Viswanathan — 3 parties
Ding, Liren — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 1 partie
Parties historiques
7…c6 — 42.3% (3989 parties)
1950 — Ratner, Boris vs Nezhmetdinov, Rashid — 1/2-1/2 — Gorky URS ch sf
1951 — Pfeiffer, Gerhard vs Heinincke — 1-0 — Augsburg GER
1951 — Parr, Frank vs Gilchrist, Jeff — 1-0 — England
1952 — Keller, Hans vs Barden, Leonard — 1-0 — Helsinki olm
1953 — Kwapisz, Stanislaw vs Grabczewski, Romuald — 0-1 — Krakow POL
7…Nh5 — 33.8% (3185 parties)
1950 — Chestnov, Vitaliy A. vs Sopkov — 1-0 — URS-ch sf Tartu
1950 — Simagin, Vladimir vs Gusev, Aleksandr — 1/2-1/2 — Tula RUS
1950 — Poliak, Evsey vs Franklin Kagoni — 1-0 — Kiev UKR
1950 — Myhre, Erling vs Book, Eero — 0-1 — Dubrovnik CRO
1950 — Myhre, Erling vs Gligoric, Sofija — 0-1 — Dubrovnik olm
7…Nbd7 — 6.9% (653 parties)
1953 — Barda, Olaf vs Anay Barche — 0-1 — Bucharest ROU
1953 — Lambert, Hans vs Bruckner, Gerhard — 1-0 — Vienna AUT
1954 — Visockis, Janis vs Machavariani, Alexandre — 0-1 — Leningrad RUS
1954 — Kapu, Jeno vs Macskasy, Elod — 1-0 — Budapest HUN
1954 — Sandrin, Albert vs Steinmeyer, Robert — 0-1 — New Orleans, LA USA
7…Ne8 — 5.8% (547 parties)
1951 — Del Solar, W. vs Almiron, Martin Alejandro — 0-1 — Santiago de Chile
1951 — Del Solar, W. vs Letelier Martner, Rene — 0-1 — Santiago de Chile
1952 — Keller, Hans vs Barendregt, Johan — 0-1 — Helsinki olm
1953 — Boleslavsky, Isaac vs Troianescu, Octav — 1/2-1/2 — Bucharest ROU
1953 — Ruester, Otto vs Atze, Burkhard — 1-0 — Jena GER