E99c - 11.Nd3 - Mar del Plata (1957)

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E99c — Mar del Plata (1957)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.Ne1 Nd7 10.f3 f5 11.Nd3
Les coups candidats
Ambassadeurs : Lanz Calavia, José María (11x), Kuhne, Detlev (8x), ? (7x), Kurylo, Risard Dr (7x), Tsygankov, Evgeny Georgievich (7x), Kirkov, Toshko Dimitrov (7x), Frotscher, Thomas (7x), Langer, Raimund (7x)
Ambassadeurs : Yakimenko, Alexander A. (3x), Rada, Hannes (3x), Juncu, Margareta (2x), Gufeld, Eduard (2x), Gilbert, Christophe (2x), Hristodorescu, Daniel (2x), Milanovic, Danilo (2x), Brenjo, Slavisa (2x)
11…Kh8 — 4.8% (102 parties)
Ambassadeurs : Helmer, Janos (4x), Fritsche, Frank (2x), Chambers, Colin R (1x), Pasteiner, Johann (1x), Nickoloff, Bryon (1x), Coudari, Camille (1x), Heinich, Manfred (1x), Cabarkapa, Milenko (1x)
11…a5 — 1.2% (26 parties)
Ambassadeurs : Behrensen, Jorge (1x), Cuellar Gacharna, Miguel (1x), Acosta, Mariano (1x), Zelkind, Mike (1x), Kettner, Juergen (1x), Metz, Hartmut (1x), Csiszar, Csaba (1x), Grabics, Monika (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…f4 11…Nf6 11…Kh8 11…a5
<1800 95 80% 9% 3% 2%
1800-2200 831 74% 17% 5% 1%
2200-2600 863 75% 15% 6% 1%
2600+ 20 75% 15% 10% —
Évolution par décennie (% des parties)
Décennie N parties 11…f4 11…Nf6 11…Kh8 11…a5
1950s 26 96% — — 4%
1960s 18 78% 22% — —
1970s 32 69% 22% 3% —
1980s 116 68% 25% 2% 1%
1990s 325 55% 32% 7% 1%
2000s 302 70% 24% 4% 1%
2010s 921 79% 12% 6% 0%
2020s 378 82% 9% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…f4 79% 82% ▲ +3.4%
11…Nf6 12% 9% ▼ -2.5%
11…Kh8 6% 3% ▼ -2.7%
11…a5 0% 3% ▲ +3.0%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 4 parties
Gukesh D — 2 parties
Parties historiques
11…f4 — 74.0% (1567 parties)
1953 — Van Hoorde, Edouard vs Borodin, Vladimir — 0-1 — Antwerp BEL
1953 — Miguel, Nahuel vs Gligoric, Sofija — 0-1 — Mar del Plata ARG
1953 — Milic, Borislav vs Matanovic, Aleksandar — 1/2-1/2 — Opatija IT
1954 — Taimanov, Mark vs Evans, Larry — 0-1 — New York, NY USA
1954 — Lipiniks, Leonardo vs Sanguinetti, Renato — 1-0 — Buenos Aires ARG
11…Nf6 — 16.8% (356 parties)
1967 — Bilyap, Enis vs Hindle, Owen M — 0-1 — Vrnjacka Banja SRB
1968 — Koshnitsky, Gregory vs Lkhagva, Jambaldoo — 0-1 — Lugano olm
1968 — Littleton, Michael Flannan vs Hamilton, Douglas G — 0-1 — Lugano olm
1969 — Quinteros, Miguel A. vs Sumiacher, Carlos — 1-0 — Buenos Aires ch-ARG
1970 — Kudriashov, Alexander vs Shukov, Danil — 1/2-1/2 — Ashkhabad
11…Kh8 — 4.8% (102 parties)
1978 — Nickoloff, Bryon vs Coudari, Camille — 1/2-1/2 — Toronto CAN
1981 — Chambers, Colin R vs Pasteiner, Johann — 1/2-1/2 — Vienna AUT
1985 — Heinich, Manfred vs Cabarkapa, Milenko — 0-1 — Benidorm
1990 — Hauchard, Arnaud vs Tasic, Branislav — 1-0 — Cannes op2 Cannes FRA
1991 — Averkin, Orest vs Misailovic, Nebojsa — 1-0 — Arandjelovac tt
11…a5 — 1.2% (26 parties)
1957 — Behrensen, Jorge vs Cuellar Gacharna, Miguel — 1-0 — Mar del Plata ARG
1985 — Acosta, Mariano vs Zelkind, Mike — 0-1 — Midwest Masters Inv
1991 — Kettner, Juergen vs Metz, Hartmut — 1-0 — Waldshut MA
1992 — Jung Hardy vs Hell, Manfred — 1-0 — GER
1998 — Csiszar, Csaba vs Grabics, Monika — 1/2-1/2 — HUN-chT9899