A62b - 9.O-O - Fianchetto [+0.33]

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A62b — Fianchetto
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O
Eval: [+0.33]
Les coups candidats
Ambassadeurs : Gleizerov, Evgeny (41x), Yuffa, Daniil (33x), Nikolic, Predrag (18x), Cernousek, Lukas (17x), Simacek, Pavel (15x), Indjic, Aleksandar (15x), Korchmar, Vasiliy (14x), Ilincic, Zlatko (14x)
Ambassadeurs : Cebalo, Miso (19x), Ligterink, Gert (18x), Daurelle, Herve (18x), Drasko, Milan (15x), Birnboim, Nathan (14x), Tal, Mikhail (13x), Franco Ocampos, Zenon (13x), Mikhalevski, Victor (13x)
Ambassadeurs : Suba, Mihai (25x), Gleizerov, Evgeny (14x), Ionescu, Constantin (11x), Csom, Istvan (8x), Sosonko, Gennadi (8x), Alburt, Lev (7x), Razuvaev, Yuri S (7x), Mikhalevski, Victor (7x)
Ambassadeurs : Alekseev, Evgeny (22x), De Firmian, Nick (16x), Velimirovic, Dragoljub (11x), Sax, Gyula (10x), Nikolic, Predrag (10x), Grigoryan, Avetik (10x), Kubicki, Tadeusz (9x), Ilincic, Zlatko (9x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Re8 9…a6 9…Na6 9…Nbd7
<1800 153 38% 35% 13% 7%
1800-2200 3352 47% 34% 11% 5%
2200-2600 7529 50% 30% 11% 7%
2600+ 324 62% 18% 4% 15%
Évolution par décennie (% des parties)
Décennie N parties 9…Re8 9…a6 9…Na6 9…Nbd7
1920s 1 100% — — —
1940s 3 — 67% — —
1950s 124 27% 28% 24% 11%
1960s 198 18% 29% 33% 8%
1970s 453 25% 33% 16% 10%
1980s 897 31% 38% 14% 12%
1990s 1484 30% 39% 22% 6%
2000s 2316 35% 40% 15% 7%
2010s 5708 55% 30% 8% 6%
2020s 1645 74% 16% 4% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Re8 55% 74% ▲ +19.3%
9…a6 30% 16% ▼ -14.1%
9…Na6 8% 4% ▼ -3.0%
9…Nbd7 6% 4% ▼ -2.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 9 parties
Smyslov, Vladimir — 8 parties
Hou, Yifan — 3 parties
Gukesh D — 3 parties
Euwe, Max — 2 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9…Re8 — 47.3% (6071 parties)
1927 — Capablanca, Jose vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — New York, NY USA
1950 — Petrosian, Tigran A. vs Chistiakov, Alexander — 1/2-1/2 — Moscow RUS
1950 — Petrosian, Tigran V. vs Chistiakov, Alexander — 1/2-1/2 — Moscow RUS
1951 — Smyslov, Vladimir vs Tolush, Alexander — 1-0 — Leningrad RUS
1953 — Neishtadt, Yakov vs Simagin, Vladimir — 0-1 — Moscow Tch
9…a6 — 31.5% (4041 parties)
1949 — Benderev, Yurij vs Zvetkov, Aleksandar — 1/2-1/2 — Sofia BUL
1949 — Ilivitsky, Georgy A vs Liublinsky, Victor — 0-1 — Yaroslavl
1953 — Euwe, Max vs Kotov Lundqvist, Alex — 1-0 — Zurich SUI
1953 — Bolbochan, Jacobo vs Maderna, Carlos — 0-1 — Buenos Aires ARG
1953 — Ulvestad, Olaf vs Kottnauer, Cenek — 0-1 — Milan ITA
9…Na6 — 11.5% (1469 parties)
1951 — Zak, Vladimir Grigorievi vs Nezhmetdinov, Rashid — 0-1 — Baku AZE
1952 — Rubtsova, Olga vs Zvorykina, Kira Alekseyevna — 1/2-1/2 — Moscow RUS
1953 — Uusi, Gunnar vs Zilber, Israel — 0-1 — Leningrad RUS
1953 — Ujtelky, Maximilian vs Brat, Vaclaw — 1-0 — Prague CZE
1954 — Koberl, Ferenc vs Dely, P. — 1/2-1/2 — Hungary ch
9…Nbd7 — 6.7% (856 parties)
1954 — Antoshin, Vladimir S vs Veltmander, Iogannes — 0-1 — Leningrad RUS
1954 — Donner, Jan-Hein vs Pachman, Ludek — 0-1 — Hastings ENG
1954 — Donner, Jan-Hein vs Keres, Paul — 0-1 — Hastings ENG
1955 — Sliwa, Bogdan vs Spassky, Boris Vasily — 1/2-1/2 — Goteborg SWE
1955 — Rossolimo, Nicolas vs Fries, Thomas — 1-0 — Long Beach, CA USA