B25l — Closed (1960)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e6
Les coups candidats
Ambassadeurs : Starostits, Ilmars (89x), Rogulj, Branko (49x), Bohak, Janko (43x), Bastian, Herbert (31x), Larino Nieto, David (28x), Barkwell, Michael C (25x), ? (24x), Detela, Walter (24x)
7.Be3 — 3.1% (300 parties)
Ambassadeurs : Hidegh, Eszter (11x), Lerch, Patrice (7x), Jovanovic, Sasa Mi (6x), Ciruk, Jerzy (5x), Zumtobel, Thomas (3x), Arvidsson, Tomas (3x), Kuwaki, Gustavo Massaki (2x), Motyl, Tomasz (2x)
7.Nh3 — 1.4% (141 parties)
Ambassadeurs : Kasioura, Efrosini (5x), Ignatiadis, Anett (5x), Jacobsen, Bo (4x), Blatny, Frantisek (3x), Barnes, Craig (2x), Zavodny, Zdenek (2x), Halser, Walter (2x), Fuchs, Antje (2x)
7.Nge2 — 1.3% (123 parties)
Ambassadeurs : Desmarais, Emmanuel (5x), Ost-Hansen, Jacob (3x), Johansson, Adam (2x), Utrera Zunda, Evelio (2x), Calero, Ivan (1x), Arraya, Jorge (1x), Havansi, Erkki E.T. (1x), Jansa, Vlastimil (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nf3 7.Be3 7.Nh3 7.Nge2
<1800 539 94% 3% 1% 1%
1800-2200 4589 94% 3% 1% 1%
2200-2600 3175 95% 2% 1% 1%
2600+ 18 83% — 17% —
Évolution par décennie (% des parties)
Décennie N parties 7.Nf3 7.Be3 7.Nh3 7.Nge2
1950s 17 82% 12% 6% —
1960s 148 91% 4% 1% 3%
1970s 325 90% 2% 6% 2%
1980s 730 95% 2% 1% 1%
1990s 2541 93% 4% 1% 1%
2000s 3417 94% 3% 1% 1%
2010s 2173 95% 3% 1% 1%
2020s 482 94% 2% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nf3 95% 94% ▼ -0.9%
7.Be3 3% 2% ▼ -0.8%
7.Nh3 1% 2% +0.3%
7.Nge2 1% 2% ▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 6 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Parties historiques
7.Nf3 — 93.9% (9235 parties)
1950 — Henneberger, Walter vs Leepin, Peter — 0-1 — Lucerne SUI
1951 — Neikirkh, Oleg vs Ciejka, Tadeusz — 0-1 — Sopot
1954 — Seidman, Herbert vs Burger, PJ — 1-0 — New York ch-USA
1954 — Kakabadze, Eliso vs Alfeev, Dmitry — 1-0 — Riga LAT
1955 — Domanski, Jerzy vs Gniot, Tadeusz — 1-0 — Poland ch13
7.Be3 — 3.1% (300 parties)
1953 — Fuderer, Andrija vs Udovcic, Mijo — 1-0 — Zagreb CRO
1957 — Handel, Horst vs Kallas, Hans Joachim — 1/2-1/2 — Soemmerda
1960 — Knezevic, Milorad vs Kupka, Slavoj — 1/2-1/2 — Leningrad RUS
1962 — Joly, Pedro vs Detthow, Bo — 1-0 — Campinas
1965 — Quinlivan, M. vs Hoppe, Roy — 1/2-1/2 — Berkeley, CA
7.Nh3 — 1.4% (141 parties)
1952 — Reinhardt, Bahamonte vs Huguet, Horacio E — 1-0 — Buenos Aires ARG
1969 — Hartoch, Robert G vs Scholl, Eddie C — 0-1 — Wijk aan Zee NED
1969 — Baretic, Zvonimir vs Csom, Istvan — 0-1 — Vrsac SRB
1970 — Thawete Evans vs Bailey, R — 0-1 — Bearsden, Glasgow
1971 — Harper, Bruce vs Harry Setiawan — 0-1 — Burnaby
7.Nge2 — 1.3% (123 parties)
1961 — Havansi, Erkki E.T. vs Jansa, Vlastimil — 0-1 — Helsinki FIN
1961 — Karakas, Evrim vs Handstad, Asmund — 1-0 — Vrnjacka Banja SRB
1966 — Calero, Ivan vs Arraya, Jorge — 1-0 — Havana CUB
1968 — Fabian, Janos vs Kavalek, Lubomir — 0-1 — Luhacovice CZE
1968 — Benoit, Michel vs Fricker, Jean — 1-0 — Charbonnieres