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A48a —
1.d4 Nf6 2.Nf3 g6 3.Nbd2
Eval: [-0.07]
Les coups candidats
3…Bg7 — 46.5% (2772 parties)
Ambassadeurs : Troeger, Paul (23x), De Santis, Alessio (21x), Meduna, Eduard (21x), Mirzoev, Azer (19x), Rinaudo, Sergio (14x), Paniga, Danilo (13x), Chanda, Sandipan (13x), Ritter, Mark (12x)
3…d5 — 44.6% (2657 parties)
Ambassadeurs : Troeger, Paul (28x), Meduna, Eduard (25x), Mirzoev, Azer (19x), De Santis, Alessio (18x), Koellner, Ruben Gideon (18x), Delander, Adolf (15x), Cyborowski, Lukasz (15x), Ritter, Mark (14x)
3…c5 — 7.4% (443 parties)
Ambassadeurs : Meduna, Eduard (10x), Koellner, Ruben Gideon (6x), Troeger, Paul (4x), Arat, Ufuk Sezen (4x), Grachev, Boris (4x), Arnav Sourabh Puranik (4x), Manik, Mikulas (4x), De Santis, Alessio (3x)
3…d6 — 1.4% (85 parties)
Ambassadeurs : Curtacci, Sergio (2x), Nestler, Vincenzo (1x), Venni, Alberto (1x), Siqueira, Alexandre Carneiro (1x), Bobadilla Garrido, Natalia Nicoll (1x), Knoch, Liddy (1x), Winter, Irene (1x), Zalys, Ignas (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Bg7 3…d5 3…c5 3…d6
<1800 212 57% 34% 5% 3%
1800-2200 2255 50% 43% 5% 2%
2200-2600 2545 40% 49% 10% 1%
2600+ 179 49% 40% 11% 1%
Évolution par décennie (% des parties)
Décennie N parties 3…Bg7 3…d5 3…c5 3…d6
1920s 11 73% 27%
1930s 18 56% 33% 6%
1940s 21 62% 38%
1950s 67 42% 48% 6% 3%
1960s 95 49% 45% 3% 2%
1970s 83 58% 36% 5% 1%
1980s 136 59% 31% 10% 1%
1990s 590 51% 41% 6% 2%
2000s 1312 52% 41% 4% 2%
2010s 2515 45% 45% 9% 1%
2020s 1114 39% 52% 9% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Bg7 45% 39% ▼ -5.7%
3…d5 45% 52% ▲ +6.3%
3…c5 9% 9% +0.0%
3…d6 1% 1% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 9 parties
Euwe, Max — 2 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
3…Bg7 — 46.5% (2772 parties)
1924 — Marshall, Frank vs Yates, Frederic D — 1/2-1/2 — New York, NY USA
1926 — Baratz, Abraham vs Morrison, John Harold — 1/2-1/2 — Scarborough/ North Yorkshire
1926 — Capablanca, Jose vs Marshall, Frank — 1/2-1/2 — Lake
1926 — Capablanca, Jose vs Marshall, Frank — 1/2-1/2 — Lake-Hopatcong (USA)
1926 — Capablanca, Jose vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Lake Hopatcong
3…d5 — 44.6% (2657 parties)
1930 — Flohr, Salo vs Koltanowski, George — 1/2-1/2 — Hastings ENG
1930 — Marshall, Frank vs Karl Berndtsson Kullberg — 0-1 — Hamburg GER
1930 — Marshall Viele, Fabrizio Aaron vs Berndtsson, Karl — 0-1 — Hamburg GER
1931 — Weissgerber, Gerhard vs Helling, Karl — 0-1 — Swinemuende
1935 — Lichtenstein, Bernhard vs Muller, Hans P — 0-1 — Vienna AUT
3…c5 — 7.4% (443 parties)
1923 — Addicks, J. vs Euwe, Max — 1/2-1/2 — Amsterdam NED
1926 — Fontein, George vs Euwe, Max — 0-1 — Amsterdam NED
1927 — Tartakower, Savielly vs Reti, Richard — 1-0 — London ENG
1936 — Prins, Lodewijk vs Van den Bosch, Johannes — 0-1 — Amsterdam VVGA
1951 — Gentil Le Roux, Loevan vs Eliskases, Erich — 1/2-1/2 — San Rafael
3…d6 — 1.4% (85 parties)
1951 — Siqueira, Alexandre Carneiro vs Bobadilla Garrido, Natalia Nicoll — 1-0 — Fortaleza BRA
1956 — Nestler, Vincenzo vs Venni, Alberto — 1-0 — ITA-ch18 Rovigo
1960 — Knoch, Liddy vs Winter, Irene — 0-1 — Leipzig GER
1964 — Zalys, Ignas vs Brandts, P — 1/2-1/2 — Worcester US op
1977 — Hock, Alfred vs Boeller Georg — 1-0 — Pang