D47e - 8…a6 - Meran, Capablanca (1923)

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D47e — Meran, Capablanca (1923)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Be2 a6
Les coups candidats
9.e4 — 48.8% (263 parties)
Ambassadeurs : Tunik, Gennady (6x), Pytel, Krzysztof (4x), Korneev, Oleg (4x), Bartos, Jakub (4x), Jurka, Miroslav (3x), Khenkin, Igor (3x), Aleksandrov, Aleksej (3x), Szabo, Laszlo (2x)
9.O-O — 44.0% (237 parties)
Ambassadeurs : Atkins, Michael (2x), Moen, Andreas G.R. (2x), Keres, Paul (1x), Book, Eero (1x), Wotulo, Max (1x), Boutteville, Cesar (1x), Simonson, Albert (1x), Evans, Larry (1x)
9.a3 — 4.8% (26 parties)
Ambassadeurs : Melnichuk, Elena (2x), Hlavacek, Robert (2x), Savva, Panikos (1x), Constantinou, Agathoclis (1x), Bach, Felix (1x), Kuijf, Marinus (1x), Maksyutov, E. (1x), Somkin, Evgeni (1x)
9.a4 — 0.7% (4 parties)
Ambassadeurs : Letelier Martner, Rene (1x), Wade, Robert G (1x), Jakobsen, Odinn Orn (1x), Gretarsson, Hjorvar Steinn (1x), Mikrut, Dariusz (1x), Jakubowska, Anna (1x), Knors, Rudi (1x), Mattavelli, Italo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.e4 9.O-O 9.a3 9.a4
<1800 29 31% 48% 10% 3%
1800-2200 202 37% 54% 6% 0%
2200-2600 256 62% 34% 3% 0%
2600+ 7 57% 43% — —
Évolution par décennie (% des parties)
Décennie N parties 9.e4 9.O-O 9.a3 9.a4
1950s 5 40% 40% — 20%
1960s 3 67% 33% — —
1970s 12 75% 25% — —
1980s 12 67% 33% — —
1990s 135 70% 27% 3% —
2000s 162 43% 49% 7% 1%
2010s 185 40% 50% 5% —
2020s 25 20% 68% 4% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.e4 40% 20% ▼ -20.0%
9.O-O 50% 68% ▲ +17.7%
9.a3 5% 4% ▼ -1.4%
9.a4 0% 8% ▲ +8.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Karpov, Anatoly — 1 partie
Parties historiques
9.e4 — 48.8% (263 parties)
1952 — Szukszta, Janus vs Litmanowicz, Wladyslaw — 1-0 — Katowice POL
1957 — Dzieciolowski, Adam vs Partyka, Kazimierz — 1/2-1/2 — Warchau ch POL
1965 — Prieditis, Gints vs Kruhme — 1-0 — cr.
1966 — Szabo, Laszlo vs Brinck-Claussen, Bjorn — 1-0 — Havana olm
1970 — Goltsov, L. vs Moiseev, Viktor — 1-0 — Kaluga
9.O-O — 44.0% (237 parties)
1951 — Simonson, Albert vs Evans, Larry — 1/2-1/2 — New York ch-USA
1952 — Keres, Paul vs Book, Eero — 0-1 — Helsinki FIN
1960 — Wotulo, Max vs Boutteville, Cesar — 1/2-1/2 — Leipzig GER
1970 — Ljungquist, Lennart vs Ekenberg, Bengt — 1/2-1/2 — Nassjo
1970 — Rafter, P vs Brodie, Hugh — 0-1 — Fitchburg
9.a3 — 4.8% (26 parties)
1990 — Savva, Panikos vs Constantinou, Agathoclis — 1/2-1/2 — Cyprus
1997 — Bach, Felix vs Kuijf, Marinus — 0-1 — Sitges
1998 — Livner, Anders vs Andersson, Mats — 1/2-1/2 — Stockholm,SWE ELO
1999 — Maksyutov, E. vs Somkin, Evgeni — 0-1 — Ufa
2002 — Hlavacek, Robert vs Rydl, Frantisek — 1-0 — Czechia
9.a4 — 0.7% (4 parties)
1950 — Letelier Martner, Rene vs Wade, Robert G — 0-1 — Venice ITA
2006 — Jakobsen, Odinn Orn vs Gretarsson, Hjorvar Steinn — 1/2-1/2 — Copenhagen DEN
2021 — Mikrut, Dariusz vs Jakubowska, Anna — 1-0 — Katowice POL
2021 — Knors, Rudi vs Mattavelli, Italo — 1/2-1/2 — Arco ITA