B52n - 5.O-O - Sicilian (1949)

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B52n — Sicilian (1949)
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O
Les coups candidats
Ambassadeurs : ? (30x), Barbu, George-Viorel (29x), Ortiz Galvan, Manuel Eliu (24x), Roeder, Matthias (22x), Glek, Igor (21x), Wharrier, Jonathon A (20x), Gufeld, Eduard (16x), Schneider, Hans-J. (15x)
5…Nf6 — 28.4% (4397 parties)
Ambassadeurs : Karjakin, Sergey (14x), Fressinet, Laurent (13x), Glek, Igor (10x), Guliyev, Namig (9x), Hernandez Leon, Alberto (9x), Pogonina, Natalija (8x), Chan, Wei Xuan Timothy (8x), Ortiz Galvan, Manuel Eliu (8x)
5…g6 — 4.0% (621 parties)
Ambassadeurs : Berczes, David (3x), Starostits, Ilmars (3x), Tocklin, Tomi (3x), Ungnad, Rainer (2x), Longwitz, Andreas (2x), Fuglsang, Flemming (2x), Hubert, Ralf (2x), Dyce, Andrew (2x)
5…e6 — 2.6% (399 parties)
Ambassadeurs : Loginov, Valery A (12x), Georgiev, Kiril (7x), Andersson, Ulf (7x), Orgovan, Sandor (6x), Gross, Stefan (5x), Fette, Martin (5x), Petrosian, Arshak B (5x), Stean, Michael F (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nc6 5…Nf6 5…g6 5…e6
<1800 1028 64% 26% 6% 3%
1800-2200 6448 66% 25% 5% 3%
2200-2600 6208 62% 33% 3% 2%
2600+ 222 43% 55% 1% 0%
Évolution par décennie (% des parties)
Décennie N parties 5…Nc6 5…Nf6 5…g6 5…e6
1950s 92 66% 26% 3% 2%
1960s 142 74% 20% 3% 2%
1970s 321 71% 20% 5% 4%
1980s 586 70% 17% 3% 10%
1990s 2104 70% 20% 5% 4%
2000s 4763 65% 28% 4% 2%
2010s 5814 63% 31% 4% 2%
2020s 1638 58% 37% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nc6 63% 58% ▼ -5.2%
5…Nf6 31% 37% ▲ +6.5%
5…g6 4% 3% ▼ -0.7%
5…e6 2% 1% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Hou, Yifan — 8 parties
Tal, Mikhail — 6 parties
Kasparov, Garry — 6 parties
Carlsen, Magnus — 5 parties
Ju, Wenjun — 4 parties
Karpov, Anatoly — 3 parties
Botvinnik, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
5…Nc6 — 64.4% (9953 parties)
1950 — Rossolimo, Nicolas vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
1950 — Canal, Esteban vs Mastichiadis, Fotis — 1/2-1/2 — Dubrovnik olm
1950 — Kostic, Boris vs Matanovic, Anto — 0-1 — Bled SLO
1950 — Book, Eero vs Gligoric, Sofija — 0-1 — Dubrovnik olm
1950 — Pilnik, Herman vs Rapaka Samuel Paul — 1/2-1/2 — Amsterdam NED
5…Nf6 — 28.4% (4397 parties)
1950 — Boleslavsky, Isaac vs Miguel, Nahuel — 1/2-1/2 — Budapest HUN
1950 — Lilienthal, Andor vs Miguel, Nahuel — 0-1 — Budapest HUN
1951 — Milic, Borislav vs Simonovic, Borko — 1-0 — Ljubljana
1951 — Szilagyi, Gyorgy Laszlo vs Kapu, Jeno — 1-0 — Hungary ch
1951 — Kozomara, Vlado vs Udovcic, Mijo — 1/2-1/2 — Ljubljana ch YUG
5…g6 — 4.0% (621 parties)
1953 — Bak, Istvan vs Hevizi, Janos — 1-0 — Charousek
1957 — Llado vs Dreyer, Andre — 1-0 — Dublin zt
1957 — Llado Lumbera, Jaime vs Dreyer, Kurt — 1-0 — Dublin zt
1962 — Muhutdinov, Marat vs Mosionzhik, Ilya — 0-1 — Novosibirsk RUS
1965 — Abrica, Stephen T vs Griffiths, Peter Charles — 1/2-1/2 — Whitby
5…e6 — 2.6% (399 parties)
1956 — Clarke, Peter vs Jezek, Jaroslav — 1/2-1/2 — Moscow RUS
1959 — Bykova, Elizaveta vs Nedeljkovic, Verica — 1/2-1/2 — Kiev UKR
1967 — Knezevic, Milorad vs Buljovcic, Ivan — 1/2-1/2 — Kraljevo
1967 — Giorgadze, Tamaz vs Slutzky, Leonid — 1-0 — Moscow RUS
1967 — Orbaan, Constant vs Littlewood, Norman — 1-0 — Eersel NED