E21g - 5.Qb3 - Nimzo-Queen’s Hybrid (1925)

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E21g — Nimzo-Queen’s Hybrid (1925)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.Qb3
Les coups candidats
Ambassadeurs : Seirawan, Yasser (22x), Sokolov, Ivan (12x), Barsov, Alexei (11x), Van Wely, Loek (11x), Timman, Jan H (8x), Adams, Michael (8x), Arnason, Jon L (7x), Yrjola, Jouni (7x)
Ambassadeurs : Edouard, Romain (7x), Barsov, Alexei (5x), Miles, Anthony J (4x), Gretarsson, Helgi Ass (4x), Huss, Andreas (3x), Khalifman, Alexander (3x), Shishkin, Vadim (3x), Tunik, Gennady (3x)
5…Bxc3+ — 11.2% (202 parties)
Ambassadeurs : Barsov, Alexei (5x), Szeberenyi, Adam (3x), Ghitescu, Theodor (2x), Giorgadze, Tamaz (2x), Kavalek, Lubomir (2x), Ambroz, Jan (2x), Wójcik, Wieslaw (2x), Gholami, Aryan (2x)
5…Qe7 — 9.5% (172 parties)
Ambassadeurs : Karpov, Anatoly (5x), Ubilava, Elizbar (3x), Stromer, Alexander (2x), Plachetka, Jan (2x), Ghitescu, Theodor (2x), Sokolov, Andrei (2x), Sokolov, Ivan (2x), Fraschini, Mariano (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…c5 5…a5 5…Bxc3+ 5…Qe7
<1800 57 72% 4% 21% 2%
1800-2200 472 61% 10% 18% 7%
2200-2600 1007 59% 21% 7% 11%
2600+ 97 71% 16% — 11%
Évolution par décennie (% des parties)
Décennie N parties 5…c5 5…a5 5…Bxc3+ 5…Qe7
1950s 18 33% 11% 28% 28%
1960s 17 59% — 18% 24%
1970s 5 20% 40% 40% —
1980s 164 49% 24% 10% 15%
1990s 351 60% 20% 9% 10%
2000s 634 63% 15% 12% 9%
2010s 470 66% 13% 12% 8%
2020s 143 59% 20% 11% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…c5 66% 59% ▼ -6.3%
5…a5 13% 20% ▲ +7.0%
5…Bxc3+ 12% 11% ▼ -0.9%
5…Qe7 8% 7% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 7 parties
Kasparov, Garry — 4 parties
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
5…c5 — 61.2% (1102 parties)
1950 — Bosch van Rosenthal, Edzard vs Mitchell, George — 1-0 — corr Wch1
1951 — O'Kelly de Galway, Alberic vs Roelle, Philipp — 0-1 — Southsea
1952 — Filip, Miroslav vs Kucera, Jan — 1-0 — Tatranska ch CZE
1952 — Keres, Paul Petrovich vs Tolush, Alexander — 0-1 — USSR
1953 — Keres, Paul vs Alexander Tadala — 0-1 — Garga
5…a5 — 16.3% (293 parties)
1951 — Gligorić, Svetozar vs Kramer, Haije — 1-0 — Bad Pyrmont GER
1955 — Goldenov, Boris P vs Sokolsky, Alexey — 1/2-1/2 — Minsk BLR
1970 — Ghitescu, Theodor vs Johansson, Gunnar — 1-0 — Siegen GER
1971 — Bosch van Rosenthal, Edzard vs Hecht, Hans-Joachim — 0-1 — Wijk aan Zee NED
1980 — Barczay, Laszlo vs Petran, Pal — 1-0 — Budapest HUN
5…Bxc3+ — 11.2% (202 parties)
1950 — Donner, Jan-Hein vs Golombek, Harry — 1-0 — Venice ITA
1950 — Van den Tol, Theo vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1951 — Wade, Robert G vs Alice, Millena Miguelina de Souza — 1/2-1/2 — Reggio Emilia ITA
1951 — O'Kelly de Galway, Alberic vs Keller, Edith — 1-0 — It Dortmund GER
1957 — Alster, Ladislav vs Hanninen, Veikko — 0-1 — Wageningen NED
5…Qe7 — 9.5% (172 parties)
1950 — Barendregt, Johan vs Spanjaard, Eduard — 1/2-1/2 — Amsterdam ch-NED
1951 — Flores Alvarez, Rodrigo vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Mar del Plata ARG
1958 — Szabo, Laszlo vs Sliwa, Bogdan — 1-0 — Munich GER
1958 — Parr, Frank vs Cafferty, Bernard — 1/2-1/2 — corr
1958 — Bosch van Rosenthal, Edzard vs Eugenio, Sarah De Oliveira — 1-0 — Chaumont Neuchatel