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A34b — Symmetrical
1.c4 c5 2.Nc3 b6
Eval: [+0.45]
Les coups candidats
Ambassadeurs : Heinbuch, Detlef Ulrich (9x), Kanovsky, David (5x), Hambleton, Aman (5x), Damaso, Rui (4x), Helmbold, Irene (4x), Beltz, Franziska (4x), Watson, Roland (4x), Zueger, Beat (3x)
3.e4 — 25.4% (386 parties)
Ambassadeurs : Wister, Finn Arild (5x), Bukal, Vladimir Jr. (4x), Tochtermann, Georg, Dr. (4x), Metaxasz, Vaszilisz (4x), Schuchardt, Guenter (3x), Csom, Istvan (3x), Vehi Bach, Victor Manuel (3x), Kovacevic, Slobodan (2x)
3.g3 — 7.1% (108 parties)
Ambassadeurs : Miezis, Normunds (6x), Sehner, Norbert (3x), Mera Cedeno, Angel (3x), Maslak, Sulejman (3x), Emir, Emirhan (3x), Maslikova, Veronika (2x), Kursova, Maria (2x), Langlois-Remillard, Alexis (2x)
3.e3 — 4.9% (74 parties)
Ambassadeurs : Rajkovic, Dusan (2x), Kovacevic, Slobodan (2x), Heimberg, Guenter (2x), Tschauner, Klaus (1x), Steinbacher, Matthias, Dr. (1x), Lagane, Lionel (1x), Prie, Eric (1x), Schischke, Reinhard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Nf3 3.e4 3.g3 3.e3
<1800 58 78% 3% 14% 2%
1800-2200 617 57% 27% 8% 3%
2200-2600 581 56% 29% 7% 5%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 3.Nf3 3.e4 3.g3 3.e3
1930s 2 50% 50%
1970s 29 66% 21% 7% 7%
1980s 107 63% 23% 6% 7%
1990s 318 58% 26% 8% 5%
2000s 548 58% 26% 7% 4%
2010s 467 58% 25% 8% 4%
2020s 51 53% 25% 6% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Nf3 58% 53% ▼ -5.1%
3.e4 25% 25% +0.0%
3.g3 8% 6% ▼ -1.8%
3.e3 4% 14% ▲ +9.7%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 2 parties
Parties historiques
3.Nf3 — 58.5% (890 parties)
1935 — Golombek, Harry vs Abrahams, Gerald — 1-0 — Great Yarmouth
1973 — Pomar Salamanca, Arturo vs Ljubojevic, Ljubomir — 0-1 — Madrid ESP
1975 — Rantanen, Yrjo A. vs Koelbaek, Jens — 0-1 — Hindas
1977 — Seirawan, Yasser vs Grefe, John A — 1/2-1/2 — Lone Pine open
1977 — Quinteros, Miguel A. vs Sanguinetti, Renato — 1/2-1/2 — Sao Paulo BRA
3.e4 — 25.4% (386 parties)
1938 — Schmitt, Ludwig vs Richter, Kurt — 1/2-1/2 — Bad Oeynhausen GER
1974 — Lipnowski, Irwin vs Sanguinetti, Raul — 0-1 — Winnipeg CAN
1975 — Crouch, Colin S vs Krygelmans, Johan — 0-1 — Eeklo
1978 — Raicevic, Vladimir vs Rajkovic, Dusan — 0-1 — Vrnjacka Banja SRB
1978 — Ludgate, Alan vs Goormachtigh, Johan — 1-0 — Middlesborough (Teesside)
3.g3 — 7.1% (108 parties)
1976 — Cramling, Pia vs Petursson, Magnus V. — 1-0 — Wattignies wch-jr
1978 — Gurevich, Mikhail vs Psakhis, Lev — 0-1 — Baku Azerbaijan
1980 — Weinberger, Tibor vs Whitehead, Jay E — 0-1 — Saratoga Springs, NY USA
1982 — Leitner, Maximilian vs Bischoff, Klaus — 1/2-1/2 — Bayern-ch Tirschenreuth
1987 — Sehner, Norbert vs Vegh, Endre — 1/2-1/2 — Budapest HUN
3.e3 — 4.9% (74 parties)
1978 — Ivkov, Borislav vs Rajkovic, Dusan — 1/2-1/2 — Belgrade SRB
1979 — Szabo, Laszlo vs Rajkovic, Dusan — 1-0 — Belgrade SRB
1982 — Tschauner, Klaus vs Steinbacher, Matthias, Dr. — 0-1 — Duitsland tt
1983 — Gunev, Zlatan vs Kovacevic, Slobodan — 1/2-1/2 — Ruse
1984 — Lagane, Lionel vs Prie, Eric — 0-1 — France