A29j - 4…Bb4 5.Bg2 - Four Knights [+0.10]

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A29j — Four Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2
Eval: [+0.10]
Les coups candidats
5…O-O — 88.7% (6056 parties)
Ambassadeurs : Zielinski, Sergej (91x), Belchev, Branimir Petrov (47x), Uhlmann, Wolfgang (36x), Beck, Georges (32x), Tsenkov, Ljubomir (28x), Morley, Paul (25x), Popov, Vladimir Valentinovich (22x), Chorfi, Khaled (21x)
5…Bxc3 — 6.4% (439 parties)
Ambassadeurs : Uhlmann, Wolfgang (6x), Sega, Carlos Alberto (4x), Hecht, Hans-Joachim (4x), Kholmov, Ratmir D (3x), Epishin, Vladimir (3x), Kovalenko, Igor (3x), Andriasian, Zaven (3x), Roesemann, Rainer (2x)
5…d6 — 4.3% (296 parties)
Ambassadeurs : Henneberg Olga (5x), Bartsch, Reinhard Andrea (3x), Zielinski, Sergej (3x), Dziedzic, Andrzej (3x), Nippula, Timo (2x), Franck, Rudolf (2x), Malmstroem, Jan Hendrik (2x), Maylott, Peter S. (2x)
5…d5 — 0.2% (13 parties)
Ambassadeurs : Legler, Derek (2x), Brantley (1x), GACHIRA LEONARD (1x), Moerschel, Natalie (1x), Koch, Stefanie (1x), Morawietz, Markus (1x), Berg, Juergen (1x), Chandler, Tom (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…Bxc3 5…d6 5…d5
<1800 190 81% 12% 6% —
1800-2200 2101 88% 7% 5% 0%
2200-2600 2599 91% 6% 2% —
2600+ 238 90% 7% 3% —
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…Bxc3 5…d6 5…d5
1920s 1 — — 100% —
1930s 2 100% — — —
1940s 3 67% 33% — —
1950s 4 75% 25% — —
1960s 28 89% 4% 7% —
1970s 330 95% 4% 1% —
1980s 389 93% 3% 3% 0%
1990s 1131 89% 7% 4% 0%
2000s 1851 89% 6% 4% 0%
2010s 2563 87% 7% 5% 0%
2020s 528 89% 7% 3% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 87% 89% ▲ +2.2%
5…Bxc3 7% 7% ▼ -0.7%
5…d6 5% 3% ▼ -2.0%
5…d5 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 9 parties
Karpov, Aleksandr — 3 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Carlsen, Magnus — 2 parties
Alekhine, Alexander — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5…O-O — 88.7% (6056 parties)
1938 — Hanauer, Anthony vs Reshevsky, Samuel — 0-1 — New York, NY USA
1939 — De Ronde, Chris vs Tautvaisas, Povilas — 1-0 — Buenos Aires ARG
1940 — Hanauer, Milton Loeb vs Bernstein, Sidney — 1/2-1/2 — Ventnor City
1949 — Piskov, Kamen Penev vs Dimitrov Krastev, Krastjo — 0-1 — Sofia BUL
1955 — Filip, Miroslav vs Barta, Jan — 0-1 — Sliac
5…Bxc3 — 6.4% (439 parties)
1940 — Zíta, František vs Hromadka, Karel — 0-1 — Rakovnik
1952 — Martello Panno, David vs Huguet, Horacio E — 1/2-1/2 — Buenos Aires ARG
1967 — Langeweg, Kick vs Krabbe, Thomas — 1-0 — Zierikzee ch-NED
1971 — Denman, Brian John vs Harman, Ronald F A — 1/2-1/2 — Blackpool ENG
1972 — Malich, Burkhard, Dr. vs Hecht, Hans-Joachim — 1/2-1/2 — Skopje ol final a
5…d6 — 4.3% (296 parties)
1922 — Alekhine, Alexander vs Villeneau — 1-0 — Paris FRA
1964 — Avner, Uri vs Adamski, Andrzej — 1/2-1/2 — Krakow POL
1969 — Yudovich, Mikhail M vs Volovich, Anatoly — 0-1 — Moscow RUS
1978 — Zahilas, Loukas N. vs Soilemezis, Anastasios — 1-0 — ?
1978 — Fesche, Svein Tore vs Walisiak, Roman — 1-0 — Bruges BEL
5…d5 — 0.2% (13 parties)
1980 — Brantley vs GACHIRA LEONARD — 1-0 — cr.
1995 — Chandler, Tom vs Gordon Sandra — 1-0 — ?
1997 — Horak, Miroslav vs Kostrhoun, Petr — 1-0 — Znojmo
1998 — Moerschel, Natalie vs Koch, Stefanie — 1-0 — Hamburg GER
1999 — Morawietz, Markus vs Berg, Juergen — 1-0 — Hassloch