C06b - 8…Nb6 - Tarrasch Variation, Leningrad Variation (1951)

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C06b — Tarrasch Variation, Leningrad Variation (1951)
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 Nb6
Les coups candidats
Ambassadeurs : Hecht, Hans-Joachim (12x), Medic, Mirjana (10x), Ciobanu, Camelia-Adriana (10x), Hook, William (8x), Schubert, Werner (7x), Schmidt, Bodo (7x), Reefschlaeger, Helmut, Dr. (6x), Golz, Werner (5x)
9.a3 — 7.2% (59 parties)
Ambassadeurs : Hecht, Hans-Joachim (4x), Estrin, Yakov (2x), Lobron, Eric (2x), Arapovic, Vitomir (2x), Sprecic, Mustafa (2x), Janosevic, Dragoljub (1x), Porrecca, Giorgio (1x), Gunsberger, Alexander (1x)
Ambassadeurs : Biebinger, Gerhard (3x), Berelowitsch, Alexander (3x), Winsnes, Rikard (2x), Goric, Esad (2x), Reich, Jens (1x), Hoppensack, Manfred (1x), Travnicek, Petr (1x), Rehak, Jan (1x)
9.f4 — 1.1% (9 parties)
Ambassadeurs : Delander, Adolf (1x), Pietruske, Siegfried (1x), Niephaus, Walter (1x), Weiss, Ernst (1x), Gelblum, Robert (1x), Dupuis, Claude (1x), Ornstein, Axel (1x), Friedgood, David (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.O-O 9.a3 9.Nf3 9.f4
<1800 23 87% 9% — —
1800-2200 245 86% 6% 6% 1%
2200-2600 372 80% 9% 10% 1%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9.O-O 9.a3 9.Nf3 9.f4
1950s 43 86% 7% 2% 5%
1960s 22 91% 5% 5% —
1970s 85 85% 6% 7% 2%
1980s 120 83% 9% 7% 1%
1990s 175 81% 10% 9% —
2000s 214 82% 6% 9% 1%
2010s 151 87% 6% 4% 1%
2020s 14 86% 7% 7% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.O-O 87% 86% ▼ -1.7%
9.a3 6% 7% ▲ +1.2%
9.Nf3 4% 7% ▲ +3.2%
9.f4 1% 0% ▼ -1.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
9.O-O — 83.9% (691 parties)
1950 — Makarov, Ilya vs Bannik, Anatolij — 1-0 — ?
1950 — Batchinsky, Basile vs Mueller, Philip — 0-1 — Lucerne SUI
1950 — Szabo, Laszlo vs Troianescu, Octav — 1-0 — Szcawno Zdroj
1951 — Mangini, Jose Henrique de Mello vs De Souza Mendes, Joao — 1-0 — Mar del Plata ARG
1951 — Mangini, Jose Henrique de Mello vs De Souza Mendes, Joao — 1-0 — Mar del Plata ARG
9.a3 — 7.2% (59 parties)
1951 — Estrin, Yakov vs Zagorovsky, Vladimir — 0-1 — ?
1954 — Janosevic, Dragoljub vs Porrecca, Giorgio — 0-1 — Belgrade SRB
1954 — Kalensky, Denis vs Levin, Mikhail — 1/2-1/2 — ?
1962 — Gunsberger, Alexander vs Hecht, Hans-Joachim — 0-1 — Varna BUL
1972 — Mariotti, Sergio vs Diez del Corral, Jesus — 1/2-1/2 — Olot ESP
9.Nf3 — 7.0% (58 parties)
1957 — Reich, Jens vs Hoppensack, Manfred — 1/2-1/2 — Ruhla
1964 — Travnicek, Petr vs Rehak, Jan — 1-0 — CSR-ch Army Prague CZE
1974 — Kruszynski, Wlodzimierz vs Pokojowczyk, Jerzy — 0-1 — POL-ch31 Zielona Gora
1975 — Ligterink, Gert vs Whiteley, Andrew Jonathan — 1/2-1/2 — Vlissingen NED
1977 — Tisdall, Jonathan D vs Cleghorn, Peter — 1-0 — Lone Pine open
9.f4 — 1.1% (9 parties)
1951 — Niephaus, Walter vs Weiss, Ernst — 1-0 — Duesseldorf GER
1954 — Delander, Adolf vs Pietruske, Siegfried — 1/2-1/2 — Zittau
1974 — Ornstein, Axel vs Friedgood, David — 0-1 — Nice olm prel
1979 — Zapata, Alonso vs Cuartas, Jaime Alexander — 1/2-1/2 — Santa Fe de Bogota
1981 — Gelblum, Robert vs Dupuis, Claude — 1-0 — World op