B42h - 5…Nf6 - Kan (1959)

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B42h — Kan (1959)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6
Les coups candidats
Ambassadeurs : Gheorghiu, Florin (119x), Kovacevic, Slobodan (67x), Adamski, Jan (65x), Ionescu, Constantin (56x), Chuchelov, Vladimir (51x), Rimkus, Bronius I (49x), Bakheet Farag (46x), Velikov, Petar (41x)
6.Nc3 — 5.3% (706 parties)
Ambassadeurs : Rossi, Giampiero (5x), Bakheet Farag (4x), Herrera, Milena (4x), Tomic, Aleksandar (4x), Chuchelov, Vladimir (3x), Ivan-Gal, Hanna Krisztina (3x), Drozdowski, Kacper (3x), Bronstein, Luis Marcos (2x)
6.Qe2 — 4.7% (622 parties)
Ambassadeurs : Socko, Bartosz (7x), Giaccio, Alfredo (7x), Horvath, Adam (6x), Podzielny, Karl-Heinz (5x), Spraggett, Kevin (5x), Chomet, Pascal (4x), Varga, Zoltan (4x), Tsuboi, Edson Kenji (4x)
Ambassadeurs : Bellin, Jana M (4x), Eingorn, Vereslav S (3x), Hulak, Krunoslav (3x), Hernandez Fonseca, Maria Paula (3x), Lorenz, Gerd (2x), Kondou, Eva (2x), Diaz, Joaquin, Dr. (2x), Bischoff, Klaus (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.Nc3 6.Qe2 6.c4
<1800 518 75% 8% 5% 6%
1800-2200 4783 80% 7% 5% 5%
2200-2600 6754 87% 4% 5% 3%
2600+ 160 93% — 6% 1%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.Nc3 6.Qe2 6.c4
1950s 8 50% 12% — —
1960s 103 90% 6% — —
1970s 348 87% 5% 1% 3%
1980s 989 90% 3% 1% 4%
1990s 2329 87% 5% 3% 4%
2000s 4198 84% 5% 4% 4%
2010s 4412 81% 6% 7% 4%
2020s 869 80% 5% 10% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 81% 80% ▼ -0.6%
6.Nc3 6% 5% ▼ -1.3%
6.Qe2 7% 10% ▲ +3.0%
6.c4 4% 3% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 9 parties
Anand, Viswanathan — 7 parties
Tal, Mikhail — 6 parties
Karpov, Anatoly — 6 parties
Ding, Liren — 5 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
6.O-O — 83.9% (11117 parties)
1957 — Durão, Joaquim Manuel vs Benko, Pal — 1/2-1/2 — Dublin zt
1957 — Skuja, Roberts vs Shagalovich, Abo — 1-0 — Minsk BLR
1959 — Pietzsch, Wolfgang vs Gipslis, Aivars — 1/2-1/2 — Riga LAT
1959 — Stein, Leonid vs Klavins, Janis — 0-1 — Tallinn EST
1960 — Bazan, Osvaldo vs ABDELMUNEM SAAD — 1-0 — Mar del Plata ARG
6.Nc3 — 5.3% (706 parties)
1957 — Donner, Jan-Hein vs Hein-O'Kelly de Galway, Alberic — 1/2-1/2 — Beverwijk Beverwijk NED
1961 — Pogats, Jozsef Jr. vs Portisch, Lajos — 0-1 — Maroczy mem Budapest HUN
1966 — Ishchenko, E. vs Gipslis, Aivars — 0-1 — Riga LAT
1967 — Jimenez Alastre Jorge Ernesto vs Doda, Zbigniew — 1-0 — Leningrad RUS
1968 — Torre, Eugenio vs Estimo, Nilo — 1-0 — Manila PHI
6.Qe2 — 4.7% (622 parties)
1973 — Koskinen, Erkki vs Jaatinen, Pertti — 0-1 — I NuSM/2 (Kirjeshakki
1975 — Browne, Walter Shawn vs Popov, Vladimir L. — 1-0 — Wijk aan Zee NED
1978 — Gruenfeld, Yehuda vs Liberzon, Vladimir M — 1/2-1/2 — Tel Aviv ISR
1978 — Hartmann, Wolfram vs Hoffmann, Fabian — 1-0 — Mitropa Cup
1978 — Hartmann Xavier vs Castagna, Renzo — 1-0 — Mitropa Cup
6.c4 — 3.7% (489 parties)
1971 — Polgar, Istvan vs Portisch, Lajos — 1/2-1/2 — Budapest HUN
1971 — Lorenz, Gerd vs Hesse, Peter — 0-1 — Leipzig GER
1971 — Romm, Meir vs Guti, Emanuel — 1-0 — Haifa/Tel Aviv
1972 — Ordonez, JA. vs Quinteros, Miguel A. — 0-1 — Buenos Aires ch-ARG
1972 — Juarez, Carlos Eleodoro vs Debarnot, Roberto — 1/2-1/2 — Sao Paulo BRA