B56b —
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5
Eval: [+0.65]
Les coups candidats
Ambassadeurs : Pandavos, Panayotis (13x), Mamatov, Melis (12x), Nikolaou, Georgios (10x), Haluschka Rainer (9x), Dantas, Artur F C Pinto (9x), Bator, Robert (8x), Dobosz, Henryk (8x), Ostermeyer, Peter, Dr. (8x)
6.Nb3 — 26.3% (625 parties)
Ambassadeurs : Martin Del Campo Cardenas, Roberto Abel (7x), Pandavos, Panayotis (4x), Svatos, Jan (4x), Dobosz, Henryk (4x), Braskin, Ivica (3x), Ornithopoulos, Nikolaos (3x), Tairova, Elena (3x), Riek, Wolfgang (3x)
6.Nf3 — 13.4% (319 parties)
Ambassadeurs : Dobosz, Henryk (4x), Pandavos, Panayotis (3x), Vesely, Tomas (3x), Panesso Rivera, Henry (3x), Barry Bertomeu, Enrique (2x), Braskin, Ivica (2x), Podlesnik, Bogdan (2x), Gavrilakis, Nikolaos (2x)
6.Ndb5 — 9.8% (233 parties)
Ambassadeurs : Dobosz, Henryk (5x), Kwatschewsky, Leo (4x), Homola, Jiri (3x), Haluschka Rainer (3x), de Wall, Robert (2x), Barsalou, Norm (2x), Borkenhagen, Andreas (2x), Papadopoulos, Christos KOZ (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bb5+ 6.Nb3 6.Nf3 6.Ndb5
<1800 144 37% 33% 15% 13%
1800-2200 852 45% 30% 10% 12%
2200-2600 581 65% 17% 11% 4%
2600+ 11 73% 18% 9%
Évolution par décennie (% des parties)
Décennie N parties 6.Bb5+ 6.Nb3 6.Nf3 6.Ndb5
1880s 1 100%
1940s 3
1950s 46 48% 17% 9% 4%
1960s 41 61% 22% 10% 2%
1970s 29 38% 38% 7% 3%
1980s 157 59% 15% 18% 4%
1990s 378 41% 25% 20% 12%
2000s 720 43% 29% 13% 12%
2010s 823 47% 28% 12% 9%
2020s 180 62% 19% 9% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bb5+ 47% 62% ▲ +14.8%
6.Nb3 28% 19% ▼ -9.5%
6.Nf3 12% 9% ▼ -2.7%
6.Ndb5 9% 7% ▼ -2.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
6.Bb5+ — 47.2% (1122 parties)
1881 — Wainwright George Edward vs Thursby, John Ormerod S — 1/2-1/2 — St Georges CC
1950 — Ullrich Bruno vs Herrmann, Ludwig — 0-1 — Soemmerda GER
1950 — Michel, Pascal vs Rossetto, Hector — 1/2-1/2 — Mar del Plata ARG
1952 — Ravinsky, Grigory vs Cherepkov, Alexander V — 1/2-1/2 — Riga LAT
1952 — Byvshev, Vasily vs Kots, Yuri I — 1-0 — Leningrad RUS
6.Nb3 — 26.3% (625 parties)
1951 — Williams, J.Noel vs Zalys, Ignas — 1-0 — Montreal CAN
1953 — Szily, Jozsef vs Dely, Peter — 0-1 — HUN-ch Budapest HUN
1954 — Czerniak, Moshe vs Petek, Anamarija — 0-1 — Zagreb CRO
1956 — Pedersen, Eigil vs Norman Hansen, Holger — 1-0 — Copenhagen DEN
1957 — Johner, Hans vs Leinweber Thaddaeus — 1/2-1/2 — Bern SUI
6.Nf3 — 13.4% (319 parties)
1952 — Kucera, Jan vs Zita, Frantisek — 1/2-1/2 — Tatranska Lomnica
1957 — Engel, Jindrich vs Zalys, Ignas — 0-1 — Montreal CAN
1958 — Bekavac V vs Bradvarevic, Aleksandar — 0-1 — Tuzla
1959 — Rubtsova, Olga vs Lazarevic, Milunka — 1-0 — Plovdiv BUL
1962 — Sakharov, Yuri N vs Levitsky, SV. — 1/2-1/2 — Kiev UKR
6.Ndb5 — 9.8% (233 parties)
1952 — Tal, Mikhail vs Zilber, Israel — 0-1 — Riga LAT
1952 — Fuderer, Andrija vs Auer, Franz — 1/2-1/2 — Helsinki olm
1963 — Blackstone, John vs Dorsch, Thomas — 0-1 — No. CA
1978 — de Wall, Robert vs Watt, Billy — 1-0 — Taylorsville,NC
1980 — Moody, David W vs Smith Walter — 1-0 — Dearborn, Mich.