A81k - 2…Nf6 3.Bg2 g6 4.Nf3

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A81k —
1.d4 f5 2.g3 Nf6 3.Bg2 g6 4.Nf3
Les coups candidats
4…Bg7 — 98.5% (16850 parties)
Ambassadeurs : Malaniuk, Vladimir P (143x), Pirs, Matjaz (78x), Hoang, Thanh Trang (71x), Sherwood, Russell (66x), Marten, Gero (51x), Hild, Harald (46x), Aalderink, Gerwin (45x), Kurowski, Andrzej (45x)
4…d6 — 1.2% (203 parties)
Ambassadeurs : Almarza Mato, Carlos (10x), Ringsborg, Allan (4x), Zwaig, Arne (3x), Kociscak, Jiri (3x), Abend, Peter (2x), Jenssen, Jens (2x), Aalderink, Gerwin (2x), Escribano, Jose (2x)
4…c6 — 0.1% (15 parties)
Ambassadeurs : Kholmov, Ratmir D (2x), Meijers, Viesturs (2x), Malich, Burkhard, Dr. (1x), Knezevic, Milorad (1x), Beim, Valeri (1x), Beum (1x), Stepien, G (1x), Objois, Pierre-henri (1x)
4…e6 — 0.1% (13 parties)
Ambassadeurs : Heilmann, Michael (4x), Holzhey, Beate (2x), Gantner, Ralf (2x), Allen, Richard (1x), Hoefer, Hans-Peter (1x), Leupold, Volker (1x), Pirs, Matjaz (1x), Oberpriller, Johannes (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bg7 4…d6 4…c6 4…e6
<1800 305 95% 3% 1% —
1800-2200 5370 98% 2% 0% 0%
2200-2600 8950 99% 1% 0% 0%
2600+ 241 99% 1% — —
Évolution par décennie (% des parties)
Décennie N parties 4…Bg7 4…d6 4…c6 4…e6
1910s 1 100% — — —
1920s 1 100% — — —
1930s 5 100% — — —
1940s 3 100% — — —
1950s 34 97% — — —
1960s 107 96% 4% — —
1970s 243 99% 1% 0% —
1980s 847 99% 1% 0% —
1990s 3552 99% 1% 0% —
2000s 4615 99% 1% 0% 0%
2010s 6449 98% 2% 0% 0%
2020s 1243 99% 1% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bg7 98% 99% ▲ +0.9%
4…d6 2% 1% ▼ -0.9%
4…c6 0% 0% +0.0%
4…e6 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 8 parties
Ju, Wenjun — 7 parties
Karpov, Anatoly — 6 parties
Anand, Viswanathan — 4 parties
Smyslov, Vladimir — 2 parties
Euwe, Max — 1 partie
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie
Parties historiques
4…Bg7 — 98.5% (16850 parties)
1913 — Danielan, E. vs Rublevsky, Sergei — 0-1 — Yurmala
1928 — Alonso de Blas, Alejandro vs Kletchinski — 1-0 — Warsaw POL
1930 — Saunders, Harold vs Seitz, Jakob Adolf — 0-1 — Scarborough ENG
1931 — Horowitz, Albert Israel vs Kostic, Boris — 1/2-1/2 — Prague CZE
1933 — Roedl, Ludwig vs Seitz, Jakob Adolf — 1-0 — Bad Pyrmont GER
4…d6 — 1.2% (203 parties)
1962 — Aloni, Itzchak vs Ghitescu, Theodor — 1/2-1/2 — Varna olm
1969 — Portisch, Lajos vs Zwaig, Arne — 1-0 — Raach
1969 — Uhlmann, Wolfgang vs Zwaig, Arne — 1-0 — Raach zt
1969 — Jakobsen, Ole vs Zwaig, Arne — 1/2-1/2 — Raach
1971 — Oppedal, David vs Vorpagel, Russell — 1/2-1/2 — ?
4…c6 — 0.1% (15 parties)
1976 — Malich, Burkhard, Dr. vs Knezevic, Milorad — 1-0 — Decin CZE
1982 — Beim, Valeri vs Kholmov, Ratmir D — 1-0 — Smolensk RUS
1982 — Beum vs Kholmov, Ratmir D — 1-0 — Smolensk RUS
1997 — Stepien, G vs Objois, Pierre-henri — 1-0 — Issy les Moulineaux
2002 — Canals Francesco vs Burdio Gracia, Delfin — 1/2-1/2 — Logrono
4…e6 — 0.1% (13 parties)
2002 — Allen, Richard vs Hoefer, Hans-Peter — 0-1 — IECC
2004 — Holzhey, Beate vs Heilmann, Michael — 1-0 — ?
2004 — Gantner, Ralf vs Heilmann, Michael — 1/2-1/2 — ?
2004 — Holzhey, Beate vs Heilmann, Michael — 1-0 — ?
2004 — Gantner, Ralf vs Heilmann, Michael — 1/2-1/2 — ?