D42c - 8.O-O O-O - Semi-Tarrasch (1936)

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D42c — Semi-Tarrasch (1936)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 Be7 8.O-O O-O
Les coups candidats
9.a3 — 60.9% (414 parties)
Ambassadeurs : Averbakh, Yuri L (9x), Ribli, Zoltan (8x), Bisguier, Arthur B (6x), Portisch, Lajos (6x), Korchnoi, Viktor (4x), Tal, Mikhail (4x), Olafsson, Fridrik (4x), Bakheet Farag (4x)
9.Re1 — 16.0% (109 parties)
Ambassadeurs : Pachman, Ludek (5x), Uhlmann, Wolfgang (3x), Taimanov, Mark (3x), Bisguier, Arthur B (3x), Popov, Luben (3x), Averbakh, Yuri L (2x), Djurasevic, Bozidar (2x), Robatsch, Karl (2x)
9.Nxd5 — 9.1% (62 parties)
Ambassadeurs : Tukmakov, Vladimir B (3x), Bewersdorff, Oliver (3x), Averbakh, Yuri L (2x), Tal, Mikhail (2x), Krogius, Nikolai V (2x), Eingorn, Vereslav S (2x), Karolyi, Tibor (2x), Berg, Klaus (2x)
9.Qe2 — 8.7% (59 parties)
Ambassadeurs : Szabo, Laszlo (4x), Udovcic, Mijo (2x), Ivkov, Borislav (2x), Milev, Zdravko (2x), Rejfir, Josef (1x), Brach, Julius Jr (1x), Peterson, Andrejs (1x), Abramov, Roman (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.a3 9.Re1 9.Nxd5 9.Qe2
<1800 20 55% 10% 15% 5%
1800-2200 96 58% 17% 10% 11%
2200-2600 323 63% 15% 12% 6%
2600+ 42 57% 5% 5% 21%
Évolution par décennie (% des parties)
Décennie N parties 9.a3 9.Re1 9.Nxd5 9.Qe2
1950s 38 55% 18% 3% 18%
1960s 93 54% 27% 3% 13%
1970s 63 70% 17% 6% 2%
1980s 91 66% 13% 14% 2%
1990s 72 64% 17% 8% 3%
2000s 99 56% 27% 10% 3%
2010s 153 59% 7% 12% 14%
2020s 71 66% 7% 10% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.a3 59% 66% ▲ +6.7%
9.Re1 7% 7% ▲ +0.5%
9.Nxd5 12% 10% ▼ -1.9%
9.Qe2 14% 15% ▲ +1.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 7 parties
Karpov, Anatoly — 4 parties
Carlsen, Magnus — 3 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
9.a3 — 60.9% (414 parties)
1951 — Chestnov, Vitaliy A. vs Sokolsky, Alexey — 1-0 — Tbilisi GEO
1952 — Eliskases, Erich vs Trifunovic, Petar — 1/2-1/2 — Rio de Janeiro BRA
1954 — Furman, Semyon vs Nezhmetdinov, Rashid — 1-0 — Kiev ch-URS
1954 — Horberg, Bengt-Eric vs Oren, Menachem — 0-1 — Amsterdam NED
1954 — Miguel, Nahuel vs Salomon, Jean Jacques — 1-0 — Montevideo URU
9.Re1 — 16.0% (109 parties)
1954 — Bannik, Anatolij vs Kholmov, Ratmir D — 1/2-1/2 — Kiev ch-URS
1954 — Lisitsin, Georgy vs Bannik, Anatolij — 1/2-1/2 — Kiev ch-URS
1956 — Lipnitsky, Isaac vs Serebrisky, Alexander S — 1-0 — Kiev UKR
1956 — Taimanov, Mark vs Korchnoi, Viktor — 1/2-1/2 — Leningrad ch-URS
1958 — Taimanov, Mark vs Djurasevic, Bozidar — 1/2-1/2 — Yugoslavia
9.Nxd5 — 9.1% (62 parties)
1959 — Keres, Paul Petrovich vs Tal, Mikhail — 1/2-1/2 — Zurich SUI
1960 — Averbakh, Yuri L vs Krogius, Nikolai V — 1/2-1/2 — Leningrad ch-URS
1961 — Averbakh, Yuri L vs O'Kelly de Galway, Alberic — 1/2-1/2 — Baden-Vienna
1965 — Jansson, Borje vs Kinnmark, Ove — 0-1 — Falkoeping
1972 — Stein, Leon Rico vs Tukmakov, Vladimir B — 1/2-1/2 — Reykjavik Reykjavik ISL
9.Qe2 — 8.7% (59 parties)
1951 — Kramer, Haije vs Kieninger, Georg — 1/2-1/2 — Beverwijk NED
1951 — Ivkov, Borislav vs Harris, Peter — 1-0 — Birmingham/Coventry
1952 — Wexler, Bernardo vs Pinzon Solis, Felipe — 1/2-1/2 — Mar del Plata ARG
1952 — Bouwmeester, Hans vs Eken, Max — 1/2-1/2 — Beverwijk NED
1954 — Horberg, Bengt-Eric vs Averbakh, Yuri L — 0-1 — Stockholm SWE