D44g - 6.e4 b5 7.e5 h6 8.Bh4 g5 9.exf6 gxh4 10.Ne5 - Botvinnik, Ekstrom Variation (1946)

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D44g — Botvinnik Ekstrom Variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5 9.exf6 gxh4 10.Ne5
Les coups candidats
10…Qxf6 — 90.6% (701 parties)
Ambassadeurs : Moskalenko, Viktor (11x), Cramling, Pia (9x), Shabalov, Alexander (8x), Novikov, Igor (6x), Kuijf, Marinus (6x), Ikonnikov, Vyacheslav (6x), Starck, Bodo (6x), Soln, Primoz (5x)
10…Bb7 — 4.3% (33 parties)
Ambassadeurs : Lacrosse, Marc (2x), Hudecek, Jan (2x), Saborido Carre, Rafael (1x), Franco Raymundo, Eduardo (1x), Waites, Charlie (1x), Basman, Michael J (1x), Szilagyi, Gyorgy Laszlo (1x), Paoli, Enrico (1x)
10…Bb4 — 3.0% (23 parties)
Ambassadeurs : Rajkovic, Dusan (2x), Basagic, Zlatko (2x), Crompton, Charles (1x), Fox, Maurice (1x), Gerber, Vladimir (1x), Ivanenko Bogdan (1x), Andersson, Ulf (1x), Hedman Senarega, Jose Antonio (1x)
10…Qc7 — 0.8% (6 parties)
Ambassadeurs : Schindler, Leo (1x), Zirngibl, Albert (1x), Cole, Roland B (1x), Jensen, Jakob Bjerre (1x), Richter, Wolfgang (1x), Grund, Holger (1x), Gueneau, Christophe (1x), Mailfert, Jean-Pierre (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Qxf6 10…Bb7 10…Bb4 10…Qc7
<1800 2 100% — — —
1800-2200 173 85% 9% 3% 1%
2200-2600 422 93% 2% 3% 1%
2600+ 8 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10…Qxf6 10…Bb7 10…Bb4 10…Qc7
1940s 22 95% — 5% —
1950s 30 93% 3% — 3%
1960s 32 81% 12% 3% —
1970s 24 83% — 17% —
1980s 80 95% 2% 2% —
1990s 169 92% 3% 1% 2%
2000s 247 89% 6% 3% 0%
2010s 151 91% 3% 3% 1%
2020s 19 89% 5% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Qxf6 91% 89% ▼ -1.3%
10…Bb7 3% 5% ▲ +2.0%
10…Bb4 3% 5% ▲ +2.0%
10…Qc7 1% 0% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
10…Qxf6 — 90.6% (701 parties)
1946 — Giron Zak, David Alejandro vs Sorokin, Adones — 0-1 — Leningrad RUS
1946 — Budo Mayol, Albert vs Kopilov, Andrei — 0-1 — Leningrad RUS
1946 — Ragozin, Viacheslav vs Ali Beck, Bishr — 1-0 — Helsinki FIN
1946 — Podgorny, Jiri vs Foltys, Jan — 1-0 — Ostrava CZE
1946 — Toth, Vaclav vs Gereben, Erno — 1-0 — Budapest HUN
10…Bb7 — 4.3% (33 parties)
1959 — Saborido Carre, Rafael vs Franco Raymundo, Eduardo — 1/2-1/2 — Santa Cruz de Tenerife
1962 — Waites, Charlie vs Basman, Michael J — 1-0 — Whitby
1965 — Szilagyi, Gyorgy Laszlo vs Paoli, Enrico — 0-1 — Reggio Emilia ITA
1966 — Whiteley, Andrew Jonathan vs Timman, Jan H — 1/2-1/2 — Groningen Ech-jr fin
1967 — Martens, Rolf vs Ek, Hans — 1-0 — Stockholm SWE
10…Bb4 — 3.0% (23 parties)
1946 — Crompton, Charles vs Fox, Maurice — 1-0 — Toronto CAN
1963 — Gerber, Vladimir vs Ivanenko Bogdan — 0-1 — Kiev UKR
1970 — Van Seters, Frits vs Bonne, Marck — 1-0 — Ghent
1972 — Amos, Bruce M. vs Acosta Garcia, Rafael Isaac — 1-0 — Skopje MKD
1976 — Andersson, Ulf vs Hedman Senarega, Jose Antonio — 1-0 — Cienfuegos City CUB
10…Qc7 — 0.8% (6 parties)
1955 — Schindler, Leo vs Zirngibl, Albert — 1-0 — Zwickau
1993 — Richter, Wolfgang vs Grund, Holger — 1-0 — Berlin ch-U15 GER
1996 — Gueneau, Christophe vs Mailfert, Jean-Pierre — 0-1 — France
1997 — Cole, Roland B vs Jensen, Jakob Bjerre — 1-0 — Aarhus DEN
2009 — Teske, Henrik vs Reitz, Rolf — 1-0 — Bad Woerishofen GER