E12j - 4…Bb7 - Petrosian (1934)

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E12j — Petrosian (1934)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7
Les coups candidats
Ambassadeurs : Agathiyan Susil (85x), Bakheet Farag (74x), Raessler, Arndt (54x), Karpov, Anatoly (48x), Browne, Walter Shawn (44x), Rozentalis, Eduardas (43x), ? (41x), Romanishin, Oleg M (40x)
5.Bf4 — 2.1% (379 parties)
Ambassadeurs : Zhou, Jianchao (10x), Orekhov, Dmitry Vjacheslavov (9x), Parligras, Mircea-Emilian (8x), Sorensen, Hampus (7x), Fedoseev, Vladimir (6x), Janda, Krzysztof (6x), Assaubayeva, Bibisara (5x), Raijmaekers, Cees H W (5x)
5.e3 — 1.3% (223 parties)
Ambassadeurs : Franco Valencia, Beatriz Irene (4x), Baumbach, Friedrich, Dr. (3x), Flament, JM. (2x), Sekulic, Despot (2x), Millar, Charles F (1x), Anderson Harris (1x), Massengale, J. (1x), Choyke, J. (1x)
5.Bg5 — 0.9% (157 parties)
Ambassadeurs : Schmitz, Manuela (9x), Ulms, Sandra (8x), Jahn, Constanze (3x), Adorjan, Andras (2x), Vagovsky, Jozef (2x), Mohanakrishnan Balaram (2x), Ratkovic, Miloje (2x), Campbell, Franklin J (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nc3 5.Bf4 5.e3 5.Bg5
<1800 741 90% 1% 4% 2%
1800-2200 6204 94% 2% 2% 1%
2200-2600 8332 97% 2% 0% 0%
2600+ 608 96% 4% — —
Évolution par décennie (% des parties)
Décennie N parties 5.Nc3 5.Bf4 5.e3 5.Bg5
1950s 3 67% — 33% —
1960s 28 100% — — —
1970s 199 98% — 1% 2%
1980s 1482 99% — 1% 0%
1990s 2635 97% 0% 2% 1%
2000s 5007 97% 0% 2% 1%
2010s 6316 96% 2% 1% 1%
2020s 1992 86% 12% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nc3 96% 86% ▼ -9.7%
5.Bf4 2% 12% ▲ +10.6%
5.e3 1% 1% -0.5%
5.Bg5 1% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 8 parties
Tal, Mikhail — 5 parties
Botvinnik, Mikhail — 5 parties
Ju, Wenjun — 4 parties
Ding, Liren — 2 parties
Gukesh D — 2 parties
Karpov, Aleksandr — 1 partie
Parties historiques
5.Nc3 — 95.3% (16828 parties)
1950 — Primavera, Giuseppe vs Napolitano, Mario — 0-1 — Sorrento ch ITA
1959 — Rodriguez, Alberto vs Visconti, Adriano — 1-0 — Argentina
1962 — Bolbochan, Julio vs Golombek, Harry — 1-0 — Varna BUL
1962 — Bolbochan, Jacobo vs Golombek, Harry — 1-0 — Varna BUL
1963 — Sanner, Michel vs Rolland, Pierre — 1/2-1/2 — Paris FRA
5.Bf4 — 2.1% (379 parties)
1990 — ? vs Polgar 5 mhz — 1/2-1/2 — 4+4
1993 — Knol, Wolter, Dr vs Dunkel, Horst — 1/2-1/2 — Bad Wildbad GER
1997 — Alessandro, Sergio vs Prudente, Antonio — 1-0 — ?
2002 — Savina, Anastasia vs Warakomska, Anna — 1-0 — Peniscola
2002 — Broman, Hannu vs Wilen, Eero — 1-0 — Finland
5.e3 — 1.3% (223 parties)
1951 — Millar, Charles F vs Anderson Harris — 0-1 — Vancouver
1979 — Jablonowski, Zbigniew vs Serwinski, Benedykt — 0-1 — Tarnow
1982 — Semenova, Lidia K vs Hund, Barbara — 1-0 — Bad Kissingen GER
1983 — Massengale, J. vs Choyke, J. — 1-0 — E Detroit Motor City op
1983 — Gilbert, Erick vs Rousseau, Daniel — 1/2-1/2 — Montreal CAN
5.Bg5 — 0.9% (157 parties)
1970 — Gerusel, Mathias vs Hecht, Hans-Joachim — 1/2-1/2 — Voelklingen ch GER
1977 — Petursson, Margeir vs Chandler, Murray G — 1-0 — Groningen NED
1978 — Fernandez Velasquez, Julian Felix vs Santos Garcia, Fernando — 1/2-1/2 — Valladolid
1982 — Kovacs, Laszlo vs Adorjan, Andras — 0-1 — ?
1982 — Kovacs, Laszlo M vs Adorjan, Andras — 0-1 — Magyarorszag HUN