B91k - 7…Nbd7 - Najdorf (1951)

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B91k — Najdorf (1951)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Nbd7
Les coups candidats
8.Bg2 — 61.3% (415 parties)
Ambassadeurs : Papp, Sarah (5x), Ghaem Maghami, Ehsan (3x), Stoynov, Ivan (3x), Bogner, Sebastian (3x), Inkiov, Ventzislav (3x), Ojanen, Kaarle S (2x), Grigorov, Jordan N (2x), Rivas Pastor, Manuel (2x)
8.a4 — 37.7% (255 parties)
Ambassadeurs : Kholmov, Ratmir D (10x), Ivanov, Alexander (9x), Kagan, Shimon (4x), Aleksic, Nenad (4x), Bates, Richard A (4x), Savon, Vladimir (3x), Browne, Walter Shawn (3x), Polugaevsky, Lev (3x)
8.h3 — 0.4% (3 parties)
Ambassadeurs : Neulinger, Manfred (1x), Womacka, Mathias (1x), Gardner, Robert (1x), Haessel, Dave (1x), Rodriguez Vila, Andres (1x), Gascon Del Nogal, Jose Rafael (1x)
8.Bh3 — 0.3% (2 parties)
Ambassadeurs : Benko, Pal (1x), Sajtar, Jaroslav (1x), Matulovic, Milan (1x), ? (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bg2 8.a4 8.h3 8.Bh3
<1800 23 65% 35% — —
1800-2200 163 63% 36% — —
2200-2600 410 61% 38% 1% —
2600+ 16 56% 44% — —
Évolution par décennie (% des parties)
Décennie N parties 8.Bg2 8.a4 8.h3 8.Bh3
1950s 10 70% 20% — 10%
1960s 10 60% 30% — 10%
1970s 19 63% 37% — —
1980s 68 40% 59% — —
1990s 110 58% 41% 1% —
2000s 233 67% 32% 0% —
2010s 189 66% 33% 1% —
2020s 38 45% 55% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bg2 66% 45% ▼ -21.4%
8.a4 33% 55% ▲ +22.5%
8.h3 1% 0% ▼ -0.5%
8.Bh3 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
8.Bg2 — 61.3% (415 parties)
1950 — Schmid, Lothar vs Ojanen, Kaarle S — 1/2-1/2 — Dubrovnik olm
1951 — Book, Eero vs Ojanen, Kaarle S — 1-0 — Tournament Helsinki FIN
1951 — Olafsson, Fridrik vs Eikrem, Arnold — 1-0 — Birmingham/Coventry
1952 — Al Osaimi, Kaiid Ahmad vs Sajtar, Jaroslav — 1/2-1/2 — Helsinki olm
1954 — Klovans, Janis vs Furman, Semyon — 0-1 — Riga LAT
8.a4 — 37.7% (255 parties)
1952 — Kan, Ilya vs Moiseev, Oleg — 1/2-1/2 — Moskou ch-URS
1953 — Lipnitsky, Isaac vs Furman, Semyon — 1-0 — Leningrad RUS
1965 — Ciric, Dragoljub M vs Polugaevsky, Lev — 1-0 — URS
1965 — Ciric, Dragoljub M vs Polugaevsky, Lev — 1-0 — Yugoslavia
1969 — Dueckstein, Andreas vs Jakobsen, Ole — 1/2-1/2 — Raach
8.h3 — 0.4% (3 parties)
1997 — Neulinger, Manfred vs Womacka, Mathias — 0-1 — Feffernitz
2000 — Gardner, Robert vs Haessel, Dave — 0-1 — Alberta Closed-ch
2012 — Rodriguez Vila, Andres vs Gascon Del Nogal, Jose Rafael — 1-0 — San Cristobal
8.Bh3 — 0.3% (2 parties)
1951 — Benko, Pal vs Sajtar, Jaroslav — 1/2-1/2 — Marianske Lazne zt
1965 — Matulovic, Milan vs ? — 1-0 — Belgrade SRB