A47d - 3.Bf4 (2021)

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A47d —
1.d4 Nf6 2.Nf3 b6 3.Bf4
Les coups candidats
Ambassadeurs : Olejarczyk, Bogdan (8x), Romih, Max (6x), Birsa, Valter (6x), Gombocz, Ferenc Jr. (6x), Grachev, Boris (5x), Sengupta (5x), Gasanov, Eldar (5x), Enders, Peter (4x)
Ambassadeurs : Singliar, Anton (2x), Bandiera, Aurelio (2x), Franklin, Michael J (2x), Kistrup, Nicolai (2x), Seer, Alfred Hasso (2x), ? (2x), Meyer, John (1x), Fernandes Nash (1x)
3…Ba6 — 3.8% (76 parties)
Ambassadeurs : Aleksic, Nenad (4x), Kargoll, Peter (3x), Stoering, Volker (3x), Adamski, Jan (2x), Rakic, Tomislav (2x), Tatai, Stefano (2x), Gerber, Peter (2x), Kovacevic, Slobodan (2x)
3…g6 — 1.8% (37 parties)
Ambassadeurs : Szabo, Laszlo (2x), Konarkowska-Sokolov, Henrijeta (1x), Gresser, Gisela Kahn (1x), Sliwa, Bogdan (1x), Sliwa, Agata (1x), Enigl, Raymond Charles (1x), Koepf, Ulrich (1x), Trifunov, Momir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Bb7 3…e6 3…Ba6 3…g6
<1800 162 86% 10% 1% 1%
1800-2200 895 83% 10% 4% 2%
2200-2600 710 87% 6% 5% 1%
2600+ 15 87% 7% — —
Évolution par décennie (% des parties)
Décennie N parties 3…Bb7 3…e6 3…Ba6 3…g6
1950s 15 80% 7% — 13%
1960s 19 84% 11% — 5%
1970s 37 86% 5% 5% 3%
1980s 97 77% 9% 9% 2%
1990s 281 80% 12% 5% 2%
2000s 391 76% 15% 5% 1%
2010s 771 86% 8% 3% 2%
2020s 412 92% 3% 1% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Bb7 86% 92% ▲ +6.4%
3…e6 8% 3% ▼ -4.4%
3…Ba6 3% 1% ▼ -1.5%
3…g6 2% 2% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 2 parties
Hou, Yifan — 2 parties
Ju, Wenjun — 1 partie
Parties historiques
3…Bb7 — 84.2% (1703 parties)
1951 — Romi vs Gay, Alessandro — 1-0 — Venice ch
1951 — Romih, Max vs Eugenio, Sarah De Oliveira — 0-1 — Venice ITA
1952 — Romih, Max vs Eugenio, Sarah De Oliveira — 0-1 — Ferrara
1952 — Romih, Max vs Baldanello, Mario — 1-0 — Ferrara
1952 — Romih, Max vs Magrin, Antonio — 1-0 — Ferrara
3…e6 — 8.9% (181 parties)
1952 — Soules, Jorge vs Rodriguez, Camio A — 1/2-1/2 — ?
1967 — Meyer, John vs Fernandes Nash — 0-1 — Atlanta
1968 — Kerr, Peter vs Hechtlinger, John — 0-1 — Aspen
1972 — Aegerter, Martin vs Martz William R — 1/2-1/2 — Lone Pine, CA USA
1972 — Garcia, Luis E. vs De Greif, Boris — 1-0 — Barranquilla COL
3…Ba6 — 3.8% (76 parties)
1979 — Rakic, Tomislav vs Tatai, Stefano — 0-1 — Vrnjacka Banja SRB
1979 — Mariotti, Sergio vs Tatai, Stefano — 1-0 — Rome ITA
1981 — Rakic, Tomislav vs Simic, Radoslav K — 1/2-1/2 — Novi Sad SRB
1982 — Ouechtati, Mohamed vs Adamski, Jan — 0-1 — Luzern olm
1982 — Gasic, Bozidar vs Votruba, Pavel — 1/2-1/2 — Budapest HUN
3…g6 — 1.8% (37 parties)
1954 — Sliwa, Bogdan vs Szabo, Laszlo — 0-1 — Budapest HUN
1954 — Sliwa, Agata vs Szabo, Laszlo — 0-1 — Budapest HUN
1967 — Konarkowska-Sokolov, Henrijeta vs Gresser, Gisela Kahn — 1/2-1/2 — Subotica SRB
1972 — Trifunov, Momir vs Timman, Jan H — 0-1 — Sombor
1986 — Enigl, Raymond Charles vs Koepf, Ulrich — 1/2-1/2 — Munich Munich GER