A23g — Bremen Keres
1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 d6 5.Bg2
Eval: [+0.47]
Les coups candidats
5…Be7 — 59.6% (467 parties)
Ambassadeurs : Giffard, Nicolas (4x), Schuler, Georg (4x), Miralles, Gilles (3x), Freisler, Pavel (3x), Lengyel, Levente (2x), Tal, Mikhail (2x), Norman Hansen, Holger (2x), Spitzbarth, Frank (2x)
5…Nbd7 — 14.3% (112 parties)
Ambassadeurs : Torre, Eugenio (4x), Spassky, Boris V. (2x), Haskamp, Stephan (2x), Morales Petersen, Luis Daniel (2x), Djurhuus, Rune (2x), Hort, Vlastimil (1x), Maalouf, Carlos (1x), Bertok, Mario Jr. (1x)
5…Be6 — 10.5% (82 parties)
Ambassadeurs : Bleul, Peter (2x), Spiridonov, Nikola (1x), Dzindzichashvili, Roman (1x), Timman, Jan H (1x), Schlinkert, Karl (1x), Buch, Carsten (1x), Nielsen Fl (1x), Spiridonov, Nik. (1x)
5…g6 — 6.9% (54 parties)
Ambassadeurs : Botvinnik, Mikhail (2x), Bosboom, Manuel (2x), Alvarez Silva, Carlos Marcel (1x), Aguilera Rocha, Angelina (1x), Barcza, Gedeon (1x), Donner, Jan-Hein (1x), Bolbochan, J. (1x), Wexler, Eithan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Be7 5…Nbd7 5…Be6 5…g6
<1800 41 54% 10% 24% 5%
1800-2200 250 67% 8% 10% 7%
2200-2600 261 60% 25% 7% 4%
2600+ 7 71% 29%
Évolution par décennie (% des parties)
Décennie N parties 5…Be7 5…Nbd7 5…Be6 5…g6
1920s 1 100%
1950s 6 67% 33%
1960s 33 36% 24% 6% 24%
1970s 27 56% 41% 4%
1980s 61 52% 21% 5% 13%
1990s 191 63% 13% 10% 7%
2000s 191 61% 10% 14% 6%
2010s 212 60% 15% 11% 4%
2020s 61 64% 10% 13% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Be7 60% 64% ▲ +4.0%
5…Nbd7 15% 10% ▼ -4.8%
5…Be6 11% 13% ▲ +1.8%
5…g6 4% 3% -0.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 2 parties
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
5…Be7 — 59.6% (467 parties)
1925 — Euwe, Max vs Kersten, Alexander — 1-0 — NLD-ch Amsterdam NED
1955 — Averbakh, Yuri L vs Ragozin, Viacheslav — 1-0 — Moscow RUS
1957 — Sandor, Bela vs Filip, Marius Liviu — 1/2-1/2 — Bratislava SVK
1957 — Andersen, Borge vs Norman Hansen, Holger — 1/2-1/2 — Odense DEN
1959 — Lengyel, Levente vs Hevizi, Laszlo Dr — 1-0 — HUN-ch Budapest HUN
5…Nbd7 — 14.3% (112 parties)
1960 — Reshko, Aron vs Spassky, Boris V. — 0-1 — Rostov on Don
1961 — Hort, Vlastimil vs Maalouf, Carlos — 1-0 — The Hague NED
1961 — Khasin, Abram vs Spassky, Boris V. — 1/2-1/2 — Moscow RUS
1961 — Stekel Grunberg, Moises vs Ader Hausman, Walter — 0-1 — Santiago de Chile
1961 — Ilivitsky, Grigory vs Sergievsky, Vladimir — 1-0 — Russia
5…Be6 — 10.5% (82 parties)
1968 — Timman, Jan H vs Schlinkert, Karl — 1-0 — Biel open
1969 — Spiridonov, Nikola vs Dzindzichashvili, Roman — 0-1 — Tbilisi GEO
1982 — Velikov, Petar vs Rajkovic, Dalibor — 1-0 — Vrnjacka Banja SRB
1985 — Buch, Carsten vs Nielsen Fl — 1-0 — Aarhus DEN
1988 — Spiridonov, Nik. vs Despotovic, Marko — 1-0 — Belgrade open
5…g6 — 6.9% (54 parties)
1956 — Bolbochan, J. vs Wexler, Eithan — 1-0 — Mar del Plata ARG
1958 — Botvinnik, Mikhail vs Smyslov, Vladimir — 1/2-1/2 — Moskou wch-m
1960 — Krogius, Nikolai V vs Luik, Helmuth — 1-0 — Moscow RUS
1961 — Barcza, Gedeon vs Donner, Jan-Hein — 0-1 — Maroczy mem Budapest HUN
1961 — Suetin, Alexey S vs Rosenfeld, Isai K — 1-0 — Novgorod RUS