D26b - 5.Bxc4 - QGA (1902)

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D26b — QGA (1902)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4
Les coups candidats
Ambassadeurs : Stevic, Hrvoje (91x), Ilyin, Pavel Egorovich (69x), Estrada Nieto, Julian (67x), ? (61x), Ibragimov, Ildar (50x), Korchut, Adam (48x), Magem Badals, Jordi (47x), Chukanov, Igor Anatolievich (44x)
Ambassadeurs : Guliyev, Namig (78x), Belenkaya, Dina (54x), Karjakin, Sergey (43x), Dominguez Perez, Leinier (41x), Postny, Evgeny (36x), Nester, Ihor (35x), Karpatchev, Aleksandr (28x), Velikov, Petar (27x)
5…Be7 — 2.2% (560 parties)
Ambassadeurs : Jakobi, Wilfried (14x), Neumann, Frank (10x), Shivika Rohilla (6x), Malyszek, Tomasz (5x), Flecher, Joseph (3x), Fedoseev, Vladimir (3x), Skytte, Rasmus (3x), Akshat Antil (3x)
5…Bb4+ — 1.0% (256 parties)
Ambassadeurs : Anderson, Len (6x), Mair, John (2x), Davide, Roberto (2x), Cocquemer, Pierre (1x), Menu, Edmond (1x), Sommovigo, Elia Giacomo (1x), Landini, Andrea (1x), Giulian, Philip M (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…c5 5…a6 5…Be7 5…Bb4+
<1800 1149 63% 19% 6% 5%
1800-2200 7546 69% 25% 3% 1%
2200-2600 13044 72% 27% 1% 0%
2600+ 981 71% 28% 1% —
Évolution par décennie (% des parties)
Décennie N parties 5…c5 5…a6 5…Be7 5…Bb4+
1950s 207 75% 23% 0% —
1960s 482 87% 11% 1% —
1970s 351 85% 12% 2% 0%
1980s 975 83% 15% 1% 0%
1990s 3798 77% 18% 2% 1%
2000s 7638 72% 21% 2% 1%
2010s 7981 67% 28% 2% 1%
2020s 4304 62% 34% 3% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…c5 67% 62% ▼ -4.1%
5…a6 28% 34% ▲ +6.3%
5…Be7 2% 3% +0.3%
5…Bb4+ 1% 0% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Gukesh D — 10 parties
Kasparov, Garry — 9 parties
Ju, Wenjun — 8 parties
Botvinnik, Mikhail — 7 parties
Carlsen, Magnus — 7 parties
Ding, Liren — 5 parties
Hou, Yifan — 4 parties
Smyslov, Vladimir — 3 parties
Parties historiques
5…c5 — 70.4% (18112 parties)
1950 — Honan, N. vs Akonde Marshall — 1-0 — England
1950 — Geller, Efim P. vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS
1950 — Smyslov, Vasily vs Keres, Paul Petrovich — 1/2-1/2 — Budapest HUN
1950 — Szabo, Laszlo vs Füster, Géza — 1-0 — Budapest HUN
1950 — Winter, William vs Newman, Richard — 1-0 — Buxton
5…a6 — 24.2% (6231 parties)
1950 — Vidmar, Milan Sr vs Rabar, Braslav — 1/2-1/2 — Bled SLO
1950 — Pirc, Vasja vs Pilnik, Herman — 1/2-1/2 — Bled SLO
1951 — Rabar, Braslav vs Abdi, Andreas — 1/2-1/2 — Sarajevo BIH
1951 — Makogonov, Vladimir vs Prokhorovich, Taras E — 1-0 — Baku AZE
1951 — Miguel, Nahuel vs Byrne, Robert E — 1/2-1/2 — New York, NY USA
5…Be7 — 2.2% (560 parties)
1956 — Oestreich, Reinhard vs Schubert, Fridolin — 1-0 — ?
1962 — Lopez, Fernando vs Ottati Sanchez, Alberto Andrey — 0-1 — Pichincha
1962 — Milev, Zdravko vs Gheorghiu, Florin — 1-0 — 15th Olympiad final A
1962 — Philippe, Georges vs Lantsias, Andreas — 1-0 — Varna BUL
1964 — Alves, Francisco H B Severino vs Madeira de Ley, Tancredo — 1-0 — Brasilia BRA
5…Bb4+ — 1.0% (256 parties)
1970 — Sommovigo, Elia Giacomo vs Landini, Andrea — 1-0 — cr.
1983 — Cocquemer, Pierre vs Menu, Edmond — 1-0 — ?
1984 — Cividali, Emilio vs Davide, Roberto — 1-0 — ?
1986 — Horch, Helmut vs Hirt, Benjamin — 1-0 — corr DDR
1987 — Giulian, Philip M vs Boyle, Aaron — 1-0 — ?