E69i - 9…Qb6 10.d5 - Fianchetto Classical [+0.49]

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E69i — Fianchetto Classical
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.h3 Qb6 10.d5
Eval: [+0.49]
Les coups candidats
10…Nc5 — 50.6% (324 parties)
Ambassadeurs : Vaulin, Alexander P. (5x), Uhlmann, Wolfgang (4x), Wexler, Bernardo (3x), Jelling, Erik (3x), Farago, Sandor (3x), O'Kelly, Albéric de Galway (2x), Kavalek, Lubomir (2x), Evans, Larry (2x)
10…cxd5 — 41.1% (263 parties)
Ambassadeurs : Lempert, Igor (4x), Poldauf, Dirk (3x), Vetemaa, Juri (3x), Weindl, Alfred (3x), Schaefer, Markus (3x), Barczay, Laszlo (2x), Roth, Peter (2x), Grabarczyk, Miroslaw (2x)
10…c5 — 6.6% (42 parties)
Ambassadeurs : Krogius, Nikolai V (2x), Bednarski, Jacek (2x), Cuartas, Jaime Alexander (2x), Botvinnik, Mikhail (1x), Faase, Rob (1x), De Coverly, Roger D (1x), Rudge, Jerry F (1x), Barcza, Gedeon (1x)
10…Ne8 — 0.9% (6 parties)
Ambassadeurs : Geller, Efim P. (1x), Wade, Robert G (1x), Neckar, Lubomir (1x), Pekarek, Ales (1x), Medic, Mirjana (1x), Jelica, Mara (1x), Konietzka, Lutz (1x), Matthaei, Alexander (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Nc5 10…cxd5 10…c5 10…Ne8
<1800 9 56% 22% 22% —
1800-2200 143 50% 39% 9% 1%
2200-2600 350 53% 41% 4% 1%
2600+ 5 40% 60% — —
Évolution par décennie (% des parties)
Décennie N parties 10…Nc5 10…cxd5 10…c5 10…Ne8
1950s 12 50% 33% 8% 8%
1960s 29 24% 62% 14% —
1970s 44 52% 25% 23% —
1980s 65 51% 38% 9% 2%
1990s 221 53% 42% 3% 1%
2000s 126 51% 40% 6% 1%
2010s 126 53% 40% 5% 1%
2020s 17 41% 59% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Nc5 53% 41% ▼ -12.0%
10…cxd5 40% 59% ▲ +18.3%
10…c5 5% 0% ▼ -4.8%
10…Ne8 1% 0% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
10…Nc5 — 50.6% (324 parties)
1957 — Korchnoi, Viktor vs Nezhmetdinov, Rashid — 1-0 — Moskou ch-URS
1958 — Korchnoi, Viktor vs Nezhmetdinov, Rashid — 1/2-1/2 — Vilnius LTU
1958 — Espinosa Flores, Rafael Emilio vs Wexler, Bernardo — 1-0 — Buenos Aires ARG
1958 — Kotov Lundqvist, Alex vs Polugaevsky, Lev — 0-1 — Riga ch-URS
1958 — Kotov, Alexander vs Polugaevsky, Lev — 0-1 — Riga LAT
10…cxd5 — 41.1% (263 parties)
1954 — Toran Albero, Roman vs Wade, Robert G — 1-0 — Munich GER
1957 — Petrosian, Tigran V. vs Shiyanovsky, Vladislav Ivanovich — 1-0 — Kiev UKR
1958 — Levin, Mikhail vs Shianovsky, Vladislav I — 1-0 — Kiev UKR
1959 — Heemsoth, Hermann vs Burger, Hein — 1/2-1/2 — Hastings ENG
1960 — Krogius, Nikolai V vs Luik, Helmuth — 1-0 — Moscow RUS
10…c5 — 6.6% (42 parties)
1958 — Botvinnik, Mikhail vs Faase, Rob — 0-1 — Vlaardingen simultaan
1969 — De Coverly, Roger D vs Rudge, Jerry F — 0-1 — Rhyl
1969 — Barcza, Gedeon vs Tringov, Georgi P — 0-1 — Ljubljana
1969 — Krogius, Nikolai V vs Bednarski, Jacek — 1-0 — Polanica Zdroj POL
1969 — Krogius, Nikolai V vs Bednarski, Jacek — 1-0 — Polanica Zdroj POL
10…Ne8 — 0.9% (6 parties)
1952 — Geller, Efim P. vs Wade, Robert G — 1-0 — Saltsjobaden SWE
1982 — Neckar, Lubomir vs Pekarek, Ales — 0-1 — Bohemians Prague CZE
1993 — Konietzka, Lutz vs Matthaei, Alexander — 0-1 — Cologne GER
1998 — Medic, Mirjana vs Jelica, Mara — 1/2-1/2 — Pula CRO
2003 — Toth-Goczo, Melinda vs Boros, Daniel — 0-1 — HUN