B34v - 8.O-O - Accelerated Fianchetto, Modern

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B34v — Accelerated Fianchetto, Modern
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.O-O
Les coups candidats
Ambassadeurs : Brodie, Hugh (13x), Radulov, Ivan (11x), Eberth, Zoltan Bela (9x), Grau Carreras, Monica (7x), Veselsky, Jozef (7x), Szekeres, Sandor (5x), Hoiberg, Nina (5x), Cafferty, Bernard (4x)
Ambassadeurs : Radulov, Ivan (5x), Rantanen, Yrjo A. (4x), Garrido Fernandez, Daniel (4x), Nguyen, Ngoc Khanh (4x), Braga, Cicero Nogueira (3x), Fatalibekova, Elena (3x), Bojovic, Dusan (3x), Rajkovic, Dusan (3x)
8…a6 — 1.7% (72 parties)
Ambassadeurs : Vekony, Andrea (2x), Jacob, Karl (1x), Altpeter, Horst (1x), Sukkau, Don (1x), Rahder, Harro (1x), Oostenbrink, Betty (1x), Rieder, Anita (1x), Semmelhaack, Erwin (1x)
8…b6 — 0.5% (23 parties)
Ambassadeurs : Emeriau, Boris (1x), Sat, Laurent (1x), Huistra, Heikel (1x), Groot, Marjoke (1x), Hasan, Eunus (1x), Buerger, Ed (1x), Hamelink, Desiree (1x), Lammens, Tijs (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…d5 8…d6 8…a6 8…b6
<1800 504 64% 29% 3% 1%
1800-2200 2173 67% 30% 1% 0%
2200-2600 776 64% 36% 0% —
2600+ 10 60% 40% — —
Évolution par décennie (% des parties)
Décennie N parties 8…d5 8…d6 8…a6 8…b6
1950s 20 95% 5% — —
1960s 99 84% 16% — —
1970s 110 70% 29% 1% —
1980s 134 57% 39% 3% —
1990s 799 68% 28% 2% 1%
2000s 1381 65% 31% 2% 1%
2010s 1409 64% 33% 1% 0%
2020s 275 66% 32% 0% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…d5 64% 66% ▲ +1.9%
8…d6 33% 32% -0.1%
8…a6 1% 0% ▼ -1.1%
8…b6 0% 0% -0.5%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Parties historiques
8…d5 — 65.8% (2783 parties)
1950 — Scherbakov, Lev vs Simagin, Vladimir — 0-1 — Ch Moscow Moscow RUS
1951 — Bannik, Anatolij vs Katalymov, Boris — 1-0 — ?
1952 — Djurasevic, Bozidar vs Milic, Borislav — 1/2-1/2 — Belgrado ch YUG
1952 — Pilnik, Herman vs Petrosian, Tigran V. — 1/2-1/2 — Stockholm izt
1953 — Alexander Tadala vs Petrosian, Tigran V. — 1/2-1/2 — Bucharest ROU
8…d6 — 30.9% (1305 parties)
1957 — Rossetto, Hector vs Panno, Oscar — 1/2-1/2 — Mar del Plata ARG
1962 — Storch, Lawrence A. vs Baumbach, Friedrich, Dr. — 1-0 — Gera
1962 — Szapiro, Grzegorz vs Wade, Robert G — 1/2-1/2 — Varna BUL
1963 — Ofstad, Per vs Trifunovic, Petar — 0-1 — Halle zt
1963 — Rellstab, Ludwig vs Ankerst, Mihael — 1/2-1/2 — Beverwijk NED
8…a6 — 1.7% (72 parties)
1973 — Sukkau, Don vs Rahder, Harro — 1/2-1/2 — Kelowna CAN
1980 — Oostenbrink, Betty vs Rieder, Anita — 0-1 — Groningen NED
1982 — Jacob, Karl vs Altpeter, Horst — 1-0 — Saarlouis-Roden
1988 — Chiu, Yum San vs Rolle, Pascal — 1/2-1/2 — Thessaloniki GRE
1989 — Semmelhaack, Erwin vs Luckow, Hans-Juergen — 1-0 — Landes-Einzelmeister
8…b6 — 0.5% (23 parties)
1995 — Schneider, Leonhard vs Ehret, Benjamin — 0-1 — Wuerttemberg
1997 — Huistra, Heikel vs Groot, Marjoke — 1-0 — Leiden NED
1998 — Emeriau, Boris vs Sat, Laurent — 0-1 — France
1998 — Hasan, Eunus vs Buerger, Ed — 1/2-1/2 — ?
1998 — Hamelink, Desiree vs Lammens, Tijs — 0-1 — Hengelo NED