E00m — Catalan:
1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Qe7
Eval: [+0.39]
Les coups candidats
Ambassadeurs : Gleizerov, Evgeny (13x), Reefschlaeger, Helmut, Dr. (8x), Jirka, Jiri (8x), Hracek, Zbynek (8x), Grabuzova, Tatiana (8x), Gipslis, Aivars (7x), Adams, Michael (7x), Socko, Bartosz (7x)
Ambassadeurs : Gleizerov, Evgeny (10x), Sosonko, Gennadi (9x), Cernousek, Lukas (9x), Hecht, Hans-Joachim (7x), Kobylkin, Evgeni (6x), Kachiani-Gersinska, Ketino (6x), Schreiner, Peter (6x), Kaidanov, Gregory (5x)
5.Nc3 — 2.5% (93 parties)
Ambassadeurs : Macieja, Bartlomiej (3x), Villamayor, Buenaventura (2x), Goriatchkin, Jouri (2x), Florian, Tibor (1x), Flesch, Janos (1x), Krings, Christoph (1x), Topolewski, Dirk (1x), Vladimirov, Yevgeniy (1x)
5.a3 — 1.5% (54 parties)
Ambassadeurs : Rosin, Wolfgang (1x), Klaeger, Lutz (1x), Mason, Daniel (1x), Acosta Martin, Kevin (1x), Lamas, Pedro (1x), Al Shakarchi, Adnan (1x), Bousios, Hristos (1x), Noutsos, Achileas (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bg2 5.Nf3 5.Nc3 5.a3
<1800 76 66% 24% 5% 5%
1800-2200 1256 68% 27% 3% 2%
2200-2600 1914 66% 32% 2% 0%
2600+ 46 67% 30% 2%
Évolution par décennie (% des parties)
Décennie N parties 5.Bg2 5.Nf3 5.Nc3 5.a3
1930s 14 93% 7%
1940s 24 100%
1950s 22 82% 18%
1960s 17 82% 6% 6% 6%
1970s 58 81% 14% 2% 3%
1980s 158 78% 20% 2% 1%
1990s 496 75% 21% 1% 2%
2000s 721 75% 20% 3% 2%
2010s 1786 61% 35% 3% 1%
2020s 389 66% 30% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bg2 61% 66% ▲ +5.2%
5.Nf3 35% 30% ▼ -5.4%
5.Nc3 3% 3% ▲ +0.6%
5.a3 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 3 parties
Ju, Wenjun — 3 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
5.Bg2 — 67.7% (2495 parties)
1931 — Concepcion Villegas, Bryan Uriel vs Falcon, Enrique — 1-0 — Buenos Aires ARG
1937 — Alatortsev, Vladimir N. vs Chekhover, Vitaly — 1-0 — Tbilisi ch-URS
1938 — Troitsky, PN. vs Kopaev, Nikolay A — 1-0 — Leningrad RUS
1938 — Kopaev, Nikolay A vs Chekhover, Vitaly — 0-1 — Leningrad RUS
1938 — Troitsky, PN. vs Budo, Alexander Semenovich — 0-1 — Leningrad RUS
5.Nf3 — 28.2% (1038 parties)
1939 — Garcia Conde, Adrian vs Koenig, Imre — 1-0 — Bournemouth
1950 — Burkhardt, Erich vs Pietzsch, Wolfgang — 0-1 — Soemmerda GER
1951 — Alvarez Martin, Pedro vs Schroeder, Raik — 1-0 — Mar del Plata ARG
1951 — Alvarez Martin, Pedro vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG
1953 — Cross, James vs Spinner, Louis — 1-0 — Hollywood, CA
5.Nc3 — 2.5% (93 parties)
1965 — Florian, Tibor vs Flesch, Janos — 1/2-1/2 — Gyula HUN
1970 — Kobler, Peter vs Achatz Karl Hans — 1-0 — Lucerne SUI
1987 — Seirawan, Yasser vs Benjamin Bedell, Jr. — 0-1 — Estes Park ch-USA
1989 — Krings, Christoph vs Topolewski, Dirk — 1-0 — GER
1989 — Vladimirov, Yevgeniy vs Oll, Lembit — 1/2-1/2 — Moskou open
5.a3 — 1.5% (54 parties)
1967 — Rosin, Wolfgang vs Klaeger, Lutz — 0-1 — GER
1974 — Lamas, Pedro vs Al Shakarchi, Adnan — 1/2-1/2 — Nice FRA
1978 — Bousios, Hristos vs Noutsos, Achileas — 1-0 — Greece ch-CatA
1985 — Mason, Daniel vs Acosta Martin, Kevin — 1-0 — Westland SE MI op
1991 — Andersen, Dan vs Arkell, Keith C — 1-0 — Lyngby DEN