C81f - 9…Be7 10.Rd1 O-O - Open, Keres (1965)

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C81f — Open, Keres (1965)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 Be7 10.Rd1 O-O
Les coups candidats
Ambassadeurs : Buj, Pablo (10x), Jansa, Vlastimil (10x), Timman, Jan H (9x), Peli, Giora Dr (8x), Mikhalevski, Victor (7x), Burridge, Raymond John (7x), ? (6x), Rosino, Antonio (5x)
Ambassadeurs : Tiemann, Christoph (3x), Buj, Pablo (2x), Arregui, Jose Luis (2x), Matulovic, Milan (2x), Markus, John Raymond (2x), Gyimesi, Zoltan (2x), Carlsen, Magnus (2x), Manish Anto Cristiano F (2x)
11.Be3 — 2.8% (34 parties)
Ambassadeurs : Blackstone, John (2x), Matulovic, Milan (2x), Sydor, Andrzej (2x), ? (2x), Nieuwelink, Kees (2x), Weiss, Augustin (1x), Kristinsson, Jon (1x), Garcia Belio, Alfonso (1x)
11.Nbd2 — 1.1% (13 parties)
Ambassadeurs : Balshan, Amikam (1x), Illi, Hans-Joerg (1x), Nakic, Aleksandar (1x), Kapic, Ibrahim (1x), Gonzalez , Brandom (1x), Molinari, Amedeo (1x), Dovzik, Juri (1x), Hajdu, Istvan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11.c4 11.c3 11.Be3 11.Nbd2
<1800 38 89% 8% 3% —
1800-2200 283 88% 7% 3% 1%
2200-2600 454 85% 11% 2% 2%
2600+ 42 81% 19% — —
Évolution par décennie (% des parties)
Décennie N parties 11.c4 11.c3 11.Be3 11.Nbd2
1950s 12 83% 17% — —
1960s 76 71% 8% 16% 3%
1970s 196 92% 4% 2% 1%
1980s 208 92% 6% 1% —
1990s 220 86% 9% 3% 2%
2000s 133 86% 8% 4% 2%
2010s 205 87% 9% 1% 1%
2020s 171 82% 16% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11.c4 87% 82% ▼ -4.9%
11.c3 9% 16% ▲ +7.0%
11.Be3 1% 1% -0.3%
11.Nbd2 1% 1% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Carlsen, Magnus — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Parties historiques
11.c4 — 86.8% (1060 parties)
1950 — Bosch van Rosenthal, Edzard vs Cuadrado Pastor, Antonio — 1/2-1/2 — ?
1950 — Goldberg, Daniel vs Matokhin, A. — 0-1 — RSFSR ch sf
1952 — Aabel Thomas Eapen vs Tayler, RJ. — 1/2-1/2 — Chester ch-BCF
1952 — Thomas Andrew vs Taylor, A (tony) — 1/2-1/2 — England
1953 — Ziembinski, Marian vs Szymanski, Aleksander — 1-0 — Krakow POL
11.c3 — 8.5% (104 parties)
1957 — Ragozin, Viacheslav vs Ravinsky, Grigory — 0-1 — Moscow ch
1958 — Ozsvath, Andras vs Honfi, Gyorgy — 0-1 — Budapest HUN
1965 — Maseev, Leon Iosifovich vs Altshuler, Roman Zinovievich — 1/2-1/2 — ?
1965 — Schoisswohl, Alexander vs Nyman, Sture V — 0-1 — ICCF
1967 — Donner, Jan-Hein vs Boersma, Paul — 1-0 — Groningen NED
11.Be3 — 2.8% (34 parties)
1964 — OBrien, Erik Michael vs Kane, George Francis — 1/2-1/2 — Oakland
1965 — Krantz, Kjell vs Ek, Hans — 1/2-1/2 — Falkoeping
1966 — Bogdanovic, Rajko vs Matanovic, Anto — 1/2-1/2 — Titovo Uzice
1967 — Garcia Belio, Alfonso vs Moran, Pablo — 0-1 — ?
1967 — Blackstone, John vs Frank, Tena, Dr. — 0-1 — San Francisco, Ca
11.Nbd2 — 1.1% (13 parties)
1968 — Balshan, Amikam vs Illi, Hans-Joerg — 1-0 — Ybbs
1968 — Nakic, Aleksandar vs Kapic, Ibrahim — 0-1 — JUG corr
1979 — Gonzalez , Brandom vs Molinari, Amedeo — 1-0 — cr.
1991 — NoksoKoivisto, Antt vs Beikert, Guenther, Dr. — 1/2-1/2 — Cappelle la Grande FRA
1992 — Markzon, Gregory vs Flear, Glenn C — 0-1 — San Sebastian rapid