B11d - 5.Qxf3 - Two Knights (1931)

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B11d — Two Knights (1931)
1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3
Les coups candidats
Ambassadeurs : Dreev, Aleksey (41x), Dragnev, Valentin (17x), Lu, Shanglei (16x), Golombek, Harry (13x), Pomar Salamanca, Arturo (13x), ? (13x), Karpov, Anatoly (12x), Azarov, Sergei (11x)
Ambassadeurs : Fischer, Robert J (13x), Lu, Shanglei (13x), Klovans, Janis (12x), Guliev, Sarhan (10x), Hort, Vlastimil (9x), Simagin, Vladimir (8x), Khalilbeili, Sultan (8x), Petrosian, Tigran V. (8x)
Ambassadeurs : Arkell, Keith C (9x), Ragnarsson, Johann (4x), Vajda, Albert (3x), Sucikova, Svetlana (3x), Agnew, Alan (3x), Reilly, Brian (2x), Lange, Klaus (2x), Kuzin, Anton (2x)
5…d4 — 2.2% (229 parties)
Ambassadeurs : Zagoriansky, Evgeny (4x), Donnelly, Mike J Dr (2x), Ali Gatee (1x), Ron, Yuval (1x), Klovans, Janis (1x), Smyslov, Vasily (1x), Livshin, Iosif (1x), Pietrusiak, Bogdan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…e6 5…Nf6 5…dxe4 5…d4
<1800 526 69% 21% 6% 4%
1800-2200 3964 70% 22% 4% 4%
2200-2600 4743 73% 25% 1% 0%
2600+ 339 77% 23% — —
Évolution par décennie (% des parties)
Décennie N parties 5…e6 5…Nf6 5…dxe4 5…d4
1950s 156 54% 40% 2% 4%
1960s 244 26% 68% 3% 3%
1970s 202 29% 67% 2% 2%
1980s 201 38% 53% 6% 2%
1990s 990 57% 34% 4% 5%
2000s 1858 68% 25% 4% 3%
2010s 3983 71% 24% 3% 2%
2020s 2863 82% 15% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…e6 71% 82% ▲ +11.1%
5…Nf6 24% 15% ▼ -8.5%
5…dxe4 3% 2% ▼ -1.6%
5…d4 2% 1% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 9 parties
Carlsen, Magnus — 5 parties
Gukesh D — 5 parties
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Hou, Yifan — 3 parties
Smyslov, Vladimir — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5…e6 — 69.6% (7308 parties)
1950 — Aronin, Lev vs Flohr, Salo — 1-0 — Moscow RUS
1950 — Boleslavsky, Isaac vs Flohr, Salo — 1-0 — Moskou ch-URS
1950 — Rossolimo, Nicolas vs Kotov, Alexander — 0-1 — Venice ITA
1950 — Soloviev, Vladimir vs Petrosian, Tigran V. — 0-1 — Moscow RUS
1950 — Alexander Tadala vs Flohr, Salo — 1-0 — ch URS Moscow
5…Nf6 — 25.2% (2640 parties)
1950 — Bolbochan, Julio vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Dubrovnik CRO
1950 — Averbakh, Yuri L vs Flohr, Salo — 1/2-1/2 — Moscow RUS
1950 — Boleslavsky, Isaac vs Bronstein, David I — 1/2-1/2 — Moscow RUS
1950 — Henneberke, Frans vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Beverwijk NED
1950 — Smyslov, Vasily vs Flohr, Salo — 1/2-1/2 — Moskou ch-URS
5…dxe4 — 3.0% (314 parties)
1951 — Pietzsch, Wolfgang vs Kirchhammer — 1/2-1/2 — Schwerin GER
1953 — Wade, Robert G vs Golombek, Harry — 1/2-1/2 — Opatija
1954 — De Greif, Boris vs Reilly, Brian — 1-0 — Amsterdam olm
1960 — Filipovic, Adam vs Romi — 0-1 — Lerici tt
1962 — Druon, Roger vs Thiellement, Andre — 0-1 — Paris FRA
5…d4 — 2.2% (229 parties)
1953 — Livshin, Iosif vs Zagoriansky, Evgeny — 0-1 — Moscow RUS
1953 — Muehlberg, Siegfried vs Zinn, Lothar — 0-1 — Brandenburg/Havel
1953 — Novitsky, George vs Zalys, Ignas — 1-0 — Montreal CAN
1954 — Klovans, Janis vs Zagoriansky, Evgeny — 1/2-1/2 — Riga LAT
1954 — Byvshev, Vasily vs Zagoriansky, Evgeny — 1-0 — Riga LAT