E08g - 8.Bf4 - Closed (1951)

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E08g — Closed (1951)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Bf4
Les coups candidats
Ambassadeurs : Burmeister, Ferdinand (41x), Allawi Rawlings (19x), Andrews, Graham (15x), Mason, Ian J (14x), Poelvoorde, Hugo (14x), Gelfand, Boris (13x), Lloyd, Geoffrey (13x), Gavrijski, Dimitar (12x)
Ambassadeurs : Mirzoev, Azer (14x), Neverov, Valeriy (14x), Otero Acosta, Diasmany (8x), Paichadze, Luka (7x), Podolchenko, Evgeniy (7x), Ustianovich, Nazar (6x), Mchedlishvili, Mikheil (5x), Alekseev, Evgeny (5x)
8…a5 — 11.7% (558 parties)
Ambassadeurs : Nikolov, Nikolay Petrov (9x), Smirnov, Ivan P (7x), Goganov, Aleksey (6x), Niemann, Hans Moke (6x), Goh, Zi Han (4x), Dotzer, Lukas (4x), Topalov, Veselin (3x), So, Wesley (3x)
Ambassadeurs : Vallejo Pons, Francisco (3x), Benko, Pal (2x), Larsen, Bent (2x), Goltseva, Ekaterina (2x), Arias, Lemnys A. (2x), Meshkovs, Nikita (2x), Ruiz Castillo, Joshua Daniel (2x), Arora, Tashika (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…b6 8…Nh5 8…a5 8…Ne4
<1800 182 70% 12% 4% 4%
1800-2200 1465 71% 10% 7% 6%
2200-2600 2706 58% 19% 14% 6%
2600+ 284 52% 17% 23% 3%
Évolution par décennie (% des parties)
Décennie N parties 8…b6 8…Nh5 8…a5 8…Ne4
1950s 5 60% — — 20%
1960s 21 38% 24% — 29%
1970s 16 25% 50% — 19%
1980s 48 29% 40% 2% 23%
1990s 173 34% 38% 6% 13%
2000s 340 46% 26% 11% 7%
2010s 1954 67% 16% 6% 6%
2020s 2218 63% 11% 17% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…b6 67% 63% ▼ -4.1%
8…Nh5 16% 11% ▼ -4.6%
8…a5 6% 17% ▲ +10.7%
8…Ne4 6% 4% ▼ -1.9%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Ding, Liren — 9 parties
Kramnik, Vladimir — 4 parties
Hou, Yifan — 4 parties
Ju, Wenjun — 3 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…b6 — 61.9% (2958 parties)
1951 — Novotelnov, Nikolai vs Averbakh, Yuri L — 0-1 — Moskou ch-URS
1951 — Novotelnov, Nikolai vs Averbakh, Yuri L — 0-1 — Moscow RUS
1952 — Opocensky, Karel vs Potucek, Ludovit — 1-0 — Tatranska ch CZE
1963 — Polugaevsky, Lev vs Averbakh, Yuri L — 1-0 — Leningrad ch-URS
1963 — Bak, Istvan vs Filep, Tibor — 1-0 — Budapest ch-HUN
8…Nh5 — 15.5% (738 parties)
1963 — Benko, Pal vs Mednis, Edmar J — 1-0 — New York ch-USA
1964 — Bak, Istvan vs Matanovic, Aleksandar — 1/2-1/2 — Bordeaux op Bordeaux FRA
1964 — Darga, Klaus vs Bak, Istvan — 1/2-1/2 — Bordeaux op Bordeaux FRA
1969 — Hort, Vlastimil vs Czerniak, Moshe — 1-0 — Zagreb CRO
1969 — Lombard, Andre vs Novak, Ivan — 1/2-1/2 — Stary Smokovec SVK
8…a5 — 11.7% (558 parties)
1982 — Andersson, Ulf vs Spassky, Boris Vasily — 1/2-1/2 — Turin ITA
1990 — Beliavsky, Alexander G vs Eingorn, Vereslav S — 1/2-1/2 — Leningrad ch-URS
1991 — Khalifman, Alexander vs Sokolov, Ivan — 1-0 — Bled SLO
1991 — Savchenko, Stanislav vs Alaa, Dema — 1-0 — Moscow7 op Moscow RUS
1992 — Schebler, Gerhard vs Thesing, Matthias — 0-1 — Dortmund open I
8…Ne4 — 5.8% (278 parties)
1956 — Larsen, Bent vs Nielsen, E Verner — 1-0 — Copenhagen DEN
1962 — Benko, Pal vs Medina-Garcia, Antonio — 1/2-1/2 — San Antonio, TX USA
1962 — Benko, Pal vs Korchnoi, Viktor — 1/2-1/2 — Stockholm izt
1963 — Khodos, German vs Dely, Peter — 1/2-1/2 — Budapest HUN
1963 — Petrosian, Tigran V. vs Botvinnik, Mikhail — 1/2-1/2 — Moskou wch-m