E73h - 5…O-O 6.Be3 - Semi-Averbakh System (1929)

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E73h — Semi-Averbakh System (1929)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Be3
Les coups candidats
6…e5 — 42.6% (2380 parties)
Ambassadeurs : Ruckschloss, Karol (16x), Sadler, Matthew D (15x), Shishkin, Vadim (10x), Osmak, Yuliia (10x), Mitchell. Shawn M (10x), Riazantsev, Alexander (9x), Fernandez Romero, Ernesto (8x), Williams, Simon K (8x)
6…c5 — 17.0% (948 parties)
Ambassadeurs : Assaubayeva, Bibisara (9x), Belyakov, Bogdan (8x), Kamalidenova, Meruert (8x), Maroroa Jones, Gawain C B (6x), Buhmann, Rainer (6x), Parvanyan, Ashot (6x), Kokarev, Dmitry (6x), Muradli, Mahammad (6x)
6…Nc6 — 11.1% (620 parties)
Ambassadeurs : Dudin, Gleb (7x), Stearman, Josiah (6x), Van Dael, Siem (5x), Badacsonyi, Stanley (5x), Grutter, Tim (5x), Yakubboev, Nodirbek (5x), Galaviz Medina, Sion Radamantys (5x), Alexandri, Dimitra (5x)
6…Na6 — 10.6% (590 parties)
Ambassadeurs : Nesterov, Arseniy (10x), Kavutskiy, Kostya (8x), Rapport, Richard (6x), Riazantsev, Alexander (5x), Chigaev, Maksim (5x), Pipiras, Filipa Fortuna (5x), Secheres, Adrian-Simion (5x), Lupulescu, Constantin (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…e5 6…c5 6…Nc6 6…Na6
<1800 324 44% 10% 10% 7%
1800-2200 2141 46% 14% 10% 8%
2200-2600 2667 40% 21% 12% 13%
2600+ 121 26% 19% 18% 20%
Évolution par décennie (% des parties)
Décennie N parties 6…e5 6…c5 6…Nc6 6…Na6
1950s 23 43% 17% 4% —
1960s 24 62% 8% — —
1970s 34 59% 12% — 3%
1980s 60 52% 12% 13% —
1990s 367 51% 11% 9% 4%
2000s 470 46% 8% 8% 9%
2010s 1869 47% 19% 7% 10%
2020s 2739 38% 18% 15% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…e5 47% 38% ▼ -8.9%
6…c5 19% 18% ▼ -1.0%
6…Nc6 7% 15% ▲ +8.8%
6…Na6 10% 13% ▲ +2.6%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 6 parties
Gukesh D — 4 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6…e5 — 42.6% (2380 parties)
1953 — Alexander Tadala vs Geller, Efim P. — 0-1 — Gagra
1953 — Fazekas, Stephan vs Woolverton, H. — 1-0 — Hastings ch-BCF
1954 — Salas Romo, Julio vs Toran Albero, Roman — 1/2-1/2 — Montevideo URU
1955 — Sallay, Roland vs Ozsvath, Andras — 0-1 — Voros Lobogo
1955 — Wade, Robert G vs Beach, Thomas John — 1-0 — ?
6…c5 — 17.0% (948 parties)
1951 — Kunerth, Werner E vs Kohler, Anton — 0-1 — Retzstadt
1953 — Heinicke, Herbert vs Heemsoth, Hermann — 1/2-1/2 — Berlin GER
1958 — Fraidakis, Pantelis vs Golz, Werner — 1/2-1/2 — Sofia BUL
1958 — Sallay, Roland vs Szabo, Laszlo — 0-1 — HUN-ch Budapest HUN
1967 — Taimanov, Mark vs Suetin, Alexey S — 1/2-1/2 — USSR
6…Nc6 — 11.1% (620 parties)
1957 — Blacher, Fernand vs Roos, Michel — 0-1 — France 22ch corr
1981 — Laco, Giuseppe vs Moncher, Stefano — 1/2-1/2 — Levico
1982 — O'Donnell, Tom vs Woodley, James — 1-0 — Toronto CAN
1985 — Grey, Frank vs Baars Johan — 1-0 — ?
1985 — Johansson, Eva vs Hoiberg, Nina — 0-1 — ?
6…Na6 — 10.6% (590 parties)
1979 — Bergstrom, Magnus vs Gustavsson, Sven — 1-0 — Stockholm SWE
1991 — Bouton, Christophe vs Chevallier, Didier — 0-1 — FRA-ch Acc Montpellier FRA
1991 — Ruckschloss, Karol vs Kretek, Bretislav — 0-1 — Bratislava SVK
1991 — Aguilar, Victor vs Alonso Gracia, Antonio — 0-1 — ?
1992 — Eng, Holger, Dr. vs Zude, Erik, Dr. — 1-0 — GER