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E63l — Fianchetto, Panno
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.d5
Les coups candidats
Ambassadeurs : Ribli, Zoltan (17x), Kirov, Nino (16x), Cvitan, Ognjen (13x), Ciocaltea, Victor (9x), Schmidt, Wlodzimierz (9x), Ornstein, Axel (9x), Barsov, Alexei (8x), Matamoros Franco, Carlos S. (8x)
8…Nb8 — 0.8% (29 parties)
Ambassadeurs : Vontina, Maria (2x), Kaczorowska, Barbara (1x), Strzalka, Joanna (1x), Kozlowski, Zbigniew (1x), Kruskic, Mirsad (1x), Chetverik, Maxim (1x), Szirmai, Eduard (1x), Vo Thanh Phong (1x)
8…Na7 — 0.5% (17 parties)
Ambassadeurs : Baklan, Vladimir (2x), Szekely, Peter (1x), Bastas, Grigorios (1x), Lamb, Harry M (1x), Eichner, Sebastian (1x), Cafferty, Bernard (1x), Anderton, Matthew N (1x), Heck, Norbert (1x)
8…Ne5 — 0.4% (14 parties)
Ambassadeurs : Mescheder, Wolfgang (1x), Stephan, Eberhard (1x), Stempin, Andrzej (1x), Trisic, Aleksandar (1x), Kengis, Edvins (1x), Blimke-Deren, Dalia (1x), Campagnoni, Diego (1x), Alvarez, Roberto (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Na5 8…Nb8 8…Na7 8…Ne5
<1800 82 88% 9% 1% 2%
1800-2200 1159 98% 1% 1% 1%
2200-2600 2026 99% 0% 0% 0%
2600+ 46 98% 2%
Évolution par décennie (% des parties)
Décennie N parties 8…Na5 8…Nb8 8…Na7 8…Ne5
1950s 36 100%
1960s 104 100%
1970s 214 100% 0%
1980s 323 99% 0% 0%
1990s 730 98% 1% 1% 0%
2000s 927 98% 1% 1% 1%
2010s 1135 98% 1% 1% 1%
2020s 278 97% 2% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Na5 98% 97% -0.3%
8…Nb8 1% 2% ▲ +0.7%
8…Na7 1% 0% -0.2%
8…Ne5 1% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 3 parties
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Parties historiques
8…Na5 — 98.4% (3686 parties)
1952 — Fridstein, German vs Chaplinsky, Edgar — 0-1 — Riga LAT
1956 — Tal, Mikhail vs Kampenuss, Peteris — 1/2-1/2 — Riga LAT
1956 — Khasin, Abram vs Byvshev, Vasily — 0-1 — Leningrad ch-URS
1956 — Groiss, Werner vs Baumbach, Friedrich, Dr. — 0-1 — Zittau
1956 — Averbakh, Yuri L vs Alexander Tadala — 1-0 — Leningrad ch-URS
8…Nb8 — 0.8% (29 parties)
1987 — Kaczorowska, Barbara vs Strzalka, Joanna — 1-0 — Wroclaw ch-POL wmn
1990 — Papenbrock, Juergen vs Amar, Peterson — 1/2-1/2 — ?
1992 — Hernandez Medina, Bruno vs Vila, P. — 1-0 — Benasque ESP
1993 — Kozlowski, Zbigniew vs Kruskic, Mirsad — 0-1 — Darmstadt
1994 — Chetverik, Maxim vs Szirmai, Eduard — 1-0 — Zalakaros op
8…Na7 — 0.5% (17 parties)
1977 — Szekely, Peter vs Bastas, Grigorios — 1-0 — Kallithea,GRE Int 3rd,Greece
1996 — Edzgveradze, Natalia vs Piankov, Evgenij — 1/2-1/2 — Moscow RUS
1997 — Heck, Norbert vs Eckard, Markus — 1/2-1/2 — Hessen
1998 — Lamb, Harry M vs Eichner, Sebastian — 1-0 — Leipzig GER
1998 — Cafferty, Bernard vs Anderton, Matthew N — 1-0 — Birmingham tt
8…Ne5 — 0.4% (14 parties)
1987 — Mescheder, Wolfgang vs Stephan, Eberhard — 1-0 — ?
1990 — Stempin, Andrzej vs Trisic, Aleksandar — 1/2-1/2 — Lyngby open
2000 — Kengis, Edvins vs Blimke-Deren, Dalia — 1-0 — Open Polanica Zdroj POL
2005 — Campagnoni, Diego vs Alvarez, Roberto — 1-0 — Villa Ballester ARG
2005 — Guisado, Francisco vs Bevilacqua, Marco — 1-0 — ?