B31h - 4…Bg7 5.c3 - Rossolimo (1930)

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B31h — Rossolimo (1930)
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3
Les coups candidats
5…Nf6 — 66.9% (8169 parties)
Ambassadeurs : Yandemirov, Valeri (30x), Kovalevskaya, Ekaterina (20x), Pedzich, Dominik (18x), Pfretzschner, Roland (16x), Belkhodja, Slim (16x), Rozentalis, Eduardas (15x), Westerinen, Heikki M.J. (14x), Ciocaltea, Victor (13x)
Ambassadeurs : Brodowski, Piotr (8x), Radulov, Ivan (7x), Ardeleanu, Alin (7x), Pigusov, Evgeny (7x), Pogorelskikh, Sofia (6x), Roeder, Frank (5x), Cherniaev, Alexander (5x), Korchnoi, Viktor (4x)
5…a6 — 6.7% (814 parties)
Ambassadeurs : Lanc, Alois (5x), Sax, Gyula (4x), Yandemirov, Valeri (4x), Faibisovich, Vadim Z (4x), Taimanov, Mark (3x), Petersen, Finn (3x), Minasian, Artashes (3x), Szily, Jozsef (2x)
5…Qb6 — 3.2% (394 parties)
Ambassadeurs : Ciocaltea, Victor (3x), Apicella, Manuel (3x), Sehlstedt, Berndt (2x), Altschul, Milos (2x), Payne, Kwane (2x), Alvarez Efres, Franklin Rafael (2x), Botterill, George S. (2x), Bednarski, Jacek (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nf6 5…e5 5…a6 5…Qb6
<1800 604 60% 18% 8% 3%
1800-2200 4794 61% 19% 8% 4%
2200-2600 5426 74% 17% 5% 2%
2600+ 149 86% 11% 3% —
Évolution par décennie (% des parties)
Décennie N parties 5…Nf6 5…e5 5…a6 5…Qb6
1950s 48 48% 2% 8% 33%
1960s 159 62% 16% 9% 7%
1970s 451 65% 18% 10% 5%
1980s 613 67% 17% 8% 4%
1990s 2323 66% 17% 8% 4%
2000s 3457 69% 14% 7% 3%
2010s 2815 69% 14% 7% 3%
2020s 2338 64% 27% 4% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nf6 69% 64% ▼ -5.2%
5…e5 14% 27% ▲ +13.3%
5…a6 7% 4% ▼ -2.2%
5…Qb6 3% 2% ▼ -1.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Gukesh D — 10 parties
Carlsen, Magnus — 7 parties
Kramnik, Vladimir — 5 parties
Hou, Yifan — 5 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5…Nf6 — 66.9% (8169 parties)
1952 — Teschner, Rudolf vs Staahlberg, Gideon — 0-1 — Helsinki FIN
1953 — Larsen, Bent Ravn vs Sterner, Olof — 1-0 — Copenhagen DEN
1953 — Florian, Tibor vs Lengyel, Laszlo — 1-0 — Budapest ch-HUN
1956 — Florian, Jaromir vs Sajtar, Jaroslav — 1-0 — Podebrady CZE
1957 — Rautenstrauch, Hans Hubert vs Harnach Ruediger — 1/2-1/2 — Ruhla
5…e5 — 17.3% (2116 parties)
1957 — Llado Lumbera, Jaime vs Partyka, Kazimierz — 0-1 — Dublin zt
1960 — Liebert, Heinz vs Csiszar, Albert — 1/2-1/2 — Leningrad RUS
1960 — Keller, Manfred vs Niwergelt — 1-0 — Zurich SUI
1960 — Radovici, Corvin vs Drimer, Dolfi — 1-0 — Bucharest ROU
1960 — Boleslavsky, Isaac vs Luik, Helmuth — 1-0 — Rostov on Don
5…a6 — 6.7% (814 parties)
1951 — Schlieder, Rolf vs Nuesken, Fritz — 1/2-1/2 — Schwerin GER
1954 — Bak, Istvan vs Szily, Jozsef — 1-0 — Budapest HUN
1954 — Rosenblatt, Erwin vs Weiner, Milan — 0-1 — Jablonec nad Nisou
1958 — Dorawa, Bernhard vs Fiensch, Guenter — 1-0 — GDR-ch Schkopau GER
1960 — Knezevic, Milorad vs Mednis, Edmar J — 1-0 — Leningrad RUS
5…Qb6 — 3.2% (394 parties)
1951 — Bialas, Wolfram vs Rosen, Willy — 1/2-1/2 — Leipzig GER
1953 — Larsen, Bent Ravn vs Heikkila, Heikki — 1-0 — Copenhagen DEN
1954 — Kirchhammer, Rudolf vs Schlieder, Rolf — 0-1 — Meerane
1955 — Delachaux Jacques vs Vieillefond, Robert — 1/2-1/2 — Paris FRA
1956 — Hulgaard, Herluf vs Dinsen, Carl Krarup — 0-1 — ?