C64v - 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4 c6 8.Ba4 d6 9.Na3 - Classical [+0.42]

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C64v — Classical
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4 c6 8.Ba4 d6 9.Na3
Eval: [+0.42]
Les coups candidats
9…Nf6 — 53.9% (236 parties)
Ambassadeurs : Limbos, Paul (4x), Gaudineau, Eric (4x), Dvinskikh, Leonid (4x), Bonner, Gerald (3x), Granados Gomez, Manuel (3x), Wharrier, Jonathon A (3x), Volcko, Richard (3x), Savinykh, Sergey (3x)
9…exd4 — 19.9% (87 parties)
Ambassadeurs : Stewart, Ewan (3x), Emma, Jaime (2x), Szmetan, Jorge (2x), Wedberg, Tom (2x), Bronstein, Luis Marcos (2x), Lybin, Dmitry (2x), Sakovich, Igor (2x), Sepp, Olav (2x)
9…Bc7 — 10.0% (44 parties)
Ambassadeurs : Gelemerov, Yane (4x), Zuidema, Coen (2x), Sutterer, Robert (2x), Zhidkikh, Darja (2x), Kotan, Ladislav (2x), Peev, Georgi (1x), Pantaleev, Dimitar (1x), Parma, Bruno (1x)
9…Ne7 — 5.7% (25 parties)
Ambassadeurs : Niedermaier, Hans (2x), Ravinsky, Grigory (1x), Cherepkov, Alexander V (1x), Grzesik, Frank (1x), Norregaard, Claus (1x), Nielsen, Julius (1x), Ostojic, Predrag (1x), Mariotti, Sergio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Nf6 9…exd4 9…Bc7 9…Ne7
<1800 10 60% 10% — —
1800-2200 115 56% 15% 10% 3%
2200-2600 191 53% 25% 9% 7%
2600+ 9 56% 33% 11% —
Évolution par décennie (% des parties)
Décennie N parties 9…Nf6 9…exd4 9…Bc7 9…Ne7
1940s 1 100% — — —
1950s 11 73% — 9% 9%
1960s 25 60% — 20% —
1970s 34 44% 15% 18% 18%
1980s 51 35% 41% 16% 4%
1990s 81 42% 35% 5% 7%
2000s 113 58% 14% 10% 4%
2010s 104 65% 14% 7% 4%
2020s 18 61% 11% 11% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Nf6 65% 61% ▼ -4.3%
9…exd4 14% 11% ▼ -3.3%
9…Bc7 7% 11% ▲ +4.4%
9…Ne7 4% 6% ▲ +1.7%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
9…Nf6 — 53.9% (236 parties)
1949 — Bobotsov, Milko G vs Mechkarov, Stefan — 1-0 — Sofia BUL
1951 — Niephaus, Walter vs Rellstab, Ludwig — 1-0 — Duesseldorf GER
1952 — Janosevic, Dragoljub vs O'Kelly de Galway, Alberic — 1/2-1/2 — Belgrade SRB
1954 — Walther, Edgar vs Thibaut, Georges — 1-0 — Amsterdam NED
1955 — Limbos, Paul vs Milner Barry, Philip — 1/2-1/2 — Mont Pelerin sur Vevey
9…exd4 — 19.9% (87 parties)
1976 — Tal, Mikhail vs Lutikov, Anatoly S — 1/2-1/2 — Tbilisi GEO
1976 — Schneider, Lars-Ake vs Bonner, Gerald — 1-0 — Haifa ISR
1977 — Hammar, Bengt vs Carleson, Caspar — 1/2-1/2 — ?
1978 — Suradiradja, Herman vs Emma, Jaime — 1/2-1/2 — Buenos Aires ARG
1978 — Szmetan, Jorge vs Emma, Jaime — 0-1 — ARG-ch Buenos Aires ARG
9…Bc7 — 10.0% (44 parties)
1958 — Peev, Georgi vs Pantaleev, Dimitar — 0-1 — Sofia BUL
1961 — Kuyindzhi, Alexander A vs Zuidema, Coen — 1/2-1/2 — The Hague NED
1963 — Liebert, Heinz vs Fuchs, Reinhart — 1/2-1/2 — Bad Liebenstein
1964 — Parma, Bruno vs Zuidema, Coen — 1/2-1/2 — Hoogovens Beverwijk NED
1968 — Pytel, Krzysztof vs Lewi, Jerzy — 0-1 — Lodz POL
9…Ne7 — 5.7% (25 parties)
1955 — Ravinsky, Grigory vs Cherepkov, Alexander V — 1/2-1/2 — URS-ch sf Moscow RUS
1970 — Giubbolini, Ilio vs Norcia, Federico — 1-0 — Sottomarina ITA
1971 — Ekstrom, Folke vs Osterling, Gosta — 1-0 — corr SWE/K
1974 — Ostojic, Predrag vs Mariotti, Sergio — 1-0 — Venice ITA
1976 — Vehvilaeinen vs Walther, Edgar — 1-0 — corr ICCF/WT/M/GT