E21d - 4…O-O - Three Knights (1925)

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E21d — Three Knights (1925)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 O-O
Les coups candidats
5.Bg5 — 52.3% (1970 parties)
Ambassadeurs : Chatalbashev, Boris (13x), Borisenko, Georgy K (9x), Batsiashvili, Nino (8x), Nakamura, Hikaru (7x), Nechaeva, Marina (7x), Mamedyarov, Shakhriyar (6x), Byrne, Robert E (5x), Rogozenco, Dorian (5x)
Ambassadeurs : Habes, Jiri (9x), Kolanek, Roman (9x), Vo, Thi Kim Phung (6x), Primrose, J.. (4x), O'Kelly de Galway, Alberic (3x), Zabransky, Frantisek (3x), Krkyasharyan, Sona (3x), Graham, Oliver (3x)
Ambassadeurs : Mamedyarov, Shakhriyar (7x), Ding, Liren (5x), Alarvo, Eero (2x), Vetter, Udo (2x), Jaszczowski, Zdzislaw (2x), Luik, Helmuth (1x), Heuer, Valter (1x), Meli, Mario (1x)
5.g3 — 8.4% (315 parties)
Ambassadeurs : Anton, Teodor (6x), Steponavicius, Stasys (5x), Akshat, Khamparia (3x), Smail, Benedict (3x), Hartleb, Glenn E (2x), Morovic Fernandez, Ivan (2x), Knezevic, Milorad (2x), Kiik, Kalle (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bg5 5.e3 5.Qc2 5.g3
<1800 346 41% 27% 11% 4%
1800-2200 1374 44% 25% 10% 10%
2200-2600 1374 64% 16% 7% 10%
2600+ 140 64% 8% 16% 1%
Évolution par décennie (% des parties)
Décennie N parties 5.Bg5 5.e3 5.Qc2 5.g3
1950s 43 33% 37% 7% 9%
1960s 80 45% 44% 4% 1%
1970s 36 67% 22% — —
1980s 146 70% 10% 5% 11%
1990s 405 49% 18% 10% 12%
2000s 852 54% 17% 9% 10%
2010s 1471 52% 22% 10% 7%
2020s 733 50% 25% 9% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bg5 52% 50% ▼ -2.8%
5.e3 22% 25% ▲ +2.6%
5.Qc2 10% 9% ▼ -0.6%
5.g3 7% 6% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Ding, Liren — 10 parties
Carlsen, Magnus — 9 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Parties historiques
5.Bg5 — 52.3% (1970 parties)
1950 — Enevoldsen, Harald vs Mueller, Hans — 1-0 — Dubrovnik CRO
1951 — Sharp, C. vs Kashdan, Isaac — 0-1 — Forth Worth
1951 — Miguel, Nahuel vs Wexler, Eithan — 1-0 — Buenos Aires ch-ARG
1952 — Enevoldsen, Harald vs Rossetto, Hector Decio — 0-1 — Helsinki FIN
1953 — Ladstaetter, Herbert vs Leepin, Peter — 1/2-1/2 — Lucerne SUI
5.e3 — 21.1% (795 parties)
1951 — Makogonov, Vladimir vs Kasparian, Genrikh — 0-1 — Baku AZE
1955 — Luczynowicz, Waclaw vs Pytlakowski, Andrzej — 1/2-1/2 — Poland ch13
1956 — Olafsson, Fridrik vs Horseman, DG. — 1-0 — Hastings ENG
1956 — Toran Albero, Roman vs Ballbe Anglada, Francisco — 1/2-1/2 — Barcelona ESP
1957 — Gligoric, Sofija vs Evans Lianda — 1-0 — Dallas, TX USA
5.Qc2 — 9.2% (345 parties)
1950 — Kauder, Hartmut vs Pietzsch, Wolfgang — 1/2-1/2 — Soemmerda GER
1950 — Gusev, Aleksandr vs Blagidze — 1-0 — Moscow RUS
1952 — Kuszelansky, Michael vs Goldstein, Maurice Edwards — 1-0 — Hobart
1964 — Luik, Helmuth vs Heuer, Valter — 1/2-1/2 — Estonia
1966 — Meli, Mario vs Renier, Renzo — 0-1 — Venice ITA
5.g3 — 8.4% (315 parties)
1952 — Wade, Robert G vs Russ, VJ. — 1-0 — Chester ch-BCF
1956 — Hartleb, Glenn E vs Avram, Herbert Mois — 1-0 — Oklahoma City, OK USA
1956 — Mueller, Rolf vs Tritzschler, Helmut — 1/2-1/2 — Zittau
1956 — Hartleb, Glenn E vs Nowak, John — 1/2-1/2 — Oklahoma City, OK USA
1965 — Katz, Norman vs Sarosy, Zoltan L — 0-1 — Toronto CAN