C06d - 9.O-O - Tarrasch, Closed, Leningrad (1952)

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C06d — Tarrasch, Closed, Leningrad (1952)
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 Nb6 9.O-O
Les coups candidats
Ambassadeurs : Hecht, Hans-Joachim (12x), Ciobanu, Camelia-Adriana (10x), Hook, William (8x), Reefschlaeger, Helmut, Dr. (6x), Schmidt, Bodo (6x), Golz, Werner (5x), Knott, Simon J B (5x), Werle, Iozefina (5x)
Ambassadeurs : Antunac, Goran (2x), Bukal, Vladimir Jr. (2x), Eveleens, Wim (2x), Berlinsky, Vladimir (2x), Poliak, Evsey (1x), Zagorovsky, Vladimir (1x), Pribyl, Josef (1x), Agdestein, Simen (1x)
9…Be7 — 6.5% (45 parties)
Ambassadeurs : Schubert, Werner (5x), Medic, Mirjana (3x), Szmetan, Ricardo (2x), Novak, Radomir (2x), Gurieli, Nino (2x), Endisch, Peter (2x), Grgic, Neomi (2x), De Souza Mendes, Joao (1x)
9…Nb4 — 1.3% (9 parties)
Ambassadeurs : Hennings, Artur (1x), Hoppensack, Manfred (1x), Elliott, Tom (1x), Burlant, Richard (1x), Djeno, Snjezana (1x), Vnucec, Marina (1x), Tortora, Paulo Cesar de Oliveira (1x), Nicolau, Luiz Fernando (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bd7 9…a5 9…Be7 9…Nb4
<1800 21 81% 5% 10% 5%
1800-2200 213 77% 9% 10% 2%
2200-2600 297 85% 11% 3% 0%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9…Bd7 9…a5 9…Be7 9…Nb4
1950s 38 92% 3% 3% 3%
1960s 20 95% — — —
1970s 72 86% 8% 6% —
1980s 100 80% 12% 6% —
1990s 142 79% 8% 11% 1%
2000s 178 81% 11% 5% 2%
2010s 134 81% 10% 7% 1%
2020s 12 83% 8% — 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bd7 81% 83% ▲ +2.7%
9…a5 10% 8% ▼ -1.4%
9…Be7 7% 0% ▼ -6.7%
9…Nb4 1% 8% ▲ +6.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
9…Bd7 — 81.9% (570 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…a5 — 9.3% (65 parties)
1955 — Poliak, Evsey vs Zagorovsky, Vladimir — 1-0 — Odessa UKR
1975 — Tauzin, Frederic vs Tang, Hongjun — 1-0 — Shanghai CHN
1977 — Antunac, Goran vs Bukal, Vladimir Jr. — 1/2-1/2 — ?
1978 — Matulovic, Milan vs Hulak, Krunoslav — 1-0 — Belgrade SRB
1979 — Zrzawy, Jan vs Zouzalik, Petr — 0-1 — Sumperk
9…Be7 — 6.5% (45 parties)
1952 — De Souza Mendes, Joao vs Beni, Alfred — 1/2-1/2 — Vienna AUT
1971 — Engert, Immo vs Huelsmann, Josef — 0-1 — Bottrop
1979 — Bosak, Jan vs Novak, Radomir — 1-0 — Loucovice
1979 — Riha, Jaroslav vs Novak, Radomir — 0-1 — Loucovice
1979 — Vormum, W. vs Kern, Marjan — 0-1 — cr.
9…Nb4 — 1.3% (9 parties)
1957 — Hennings, Artur vs Hoppensack, Manfred — 1/2-1/2 — Ruhla
1998 — Elliott, Tom vs Burlant, Richard — 1/2-1/2 — IECC corr
2000 — Tortora, Paulo Cesar de Oliveira vs Nicolau, Luiz Fernando — 1/2-1/2 — ?
2001 — Sierra Garcia, Jose Carlos vs Dolezal, Cristian — 1/2-1/2 — Alameda de Osuna VII op
2002 — Djeno, Snjezana vs Vnucec, Marina — 1-0 — Busevec