E34a - 5.* - Classical Variation, Noa Variation (1928)

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E34a — Classical Variation, Noa Variation (1928)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5
Les coups candidats
Ambassadeurs : Dreev, Aleksey (41x), Short, Nigel D (27x), Romanishin, Oleg M (25x), ? (25x), Beliavsky, Alexander G (20x), Anand, Viswanathan (20x), Kotanjian, Tigran (19x), Adams, Michael (18x)
Ambassadeurs : Karpov, Anatoly (16x), Kopasov, Evgeny (15x), Golod, Vitali (14x), Lysyj, Igor (14x), Likavsky, Tomas (13x), Carlsen, Magnus (13x), Gajewski, Grzegorz (12x), Adams, Michael (12x)
Ambassadeurs : Aloni, Itzchak (6x), Gareyev, Timur (5x), Kolanek, Roman (4x), Krawcewicz, Lucyna (3x), Pavlidou, Ekaterini (3x), Sidenko, Anatoly Viktorovich (3x), White, Richard (3x), Bidhar, Rutumbara (3x)
5.Bg5 — 4.2% (502 parties)
Ambassadeurs : Jevtic, Miroljub (4x), Andrejevic, Miladin (3x), de Carvalho, Igor Lorenzon (3x), Godesar, Ralph (3x), Toth, Peter (2x), Minko, Vladimir (2x), Avery, Bryce (2x), Elancheralathan P (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.cxd5 5.a3 5.e3 5.Bg5
<1800 652 38% 24% 17% 9%
1800-2200 4005 45% 32% 13% 6%
2200-2600 5183 60% 34% 2% 2%
2600+ 732 59% 39% 1% 0%
Évolution par décennie (% des parties)
Décennie N parties 5.cxd5 5.a3 5.e3 5.Bg5
1950s 146 39% 43% 16% 1%
1960s 115 41% 40% 18% —
1970s 107 37% 39% 12% 6%
1980s 222 55% 32% 5% 4%
1990s 1406 53% 27% 9% 7%
2000s 3553 52% 32% 8% 4%
2010s 4321 51% 32% 8% 4%
2020s 2136 51% 37% 5% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.cxd5 51% 51% +0.4%
5.a3 32% 37% ▲ +4.9%
5.e3 8% 5% ▼ -3.6%
5.Bg5 4% 3% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 5 parties
Gukesh D — 5 parties
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Ding, Liren — 3 parties
Smyslov, Vladimir — 1 partie
Parties historiques
5.cxd5 — 51.3% (6161 parties)
1950 — Platz, Hans vs Ullrich, Bruno — 0-1 — Soemmerda
1950 — Kotov, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — Budapest HUN
1950 — O'Hanlon, John vs Schmid, Lothar — 0-1 — Southsea
1950 — Boleslavsky, Isaac vs Borisenko, Georgy K — 1/2-1/2 — Moscow RUS
1950 — Kable, J vs Salm, Maxwell — 0-1 — Queensland ch
5.a3 — 32.7% (3931 parties)
1950 — Bogoljubow, Efim vs Unzicker, Ferdinand, Dr. — 0-1 — Bad Pyrmont GER
1950 — Morcken, Otto B vs Porrecca, Giorgio — 0-1 — Dubrovnik CRO
1950 — Kieninger, Georg vs Bogoljubow, Efim — 0-1 — Schwelm
1950 — Donner, Jan-Hein vs Barzin, Marcel — 1/2-1/2 — Antwerp BEL
1950 — Kotov, Alexander vs Szabo, Laszlo — 1-0 — Budapest HUN
5.e3 — 7.8% (937 parties)
1950 — Walther, Edgar vs Mevel, Alberic — 1-0 — cr.
1950 — Henriksen, Palle V. vs Hansen, Asgar — 0-1 — Aalborg DEN
1950 — Dunareanu vs Urseanu — 1-0 — Rumania
1950 — Morcken, Otto B vs Kramer, George — 0-1 — Dubrovnik olm
1950 — Machate, Gottlieb vs Eisinger, Max Jr — 1/2-1/2 — FRG-ch Bad Pyrmont GER
5.Bg5 — 4.2% (502 parties)
1955 — Philippe, Georges vs Bosch van Rosenthal, Edzard — 0-1 — Antwerp BEL
1972 — Parr, Peter vs Bergmanis, Olgerts — 1-0 — Melbourne AUS
1972 — Virtanen, Kauko vs Jokinen, Reino — 0-1 — ?
1975 — Frick, Alexander vs Brent, Marlo — 0-1 — corr APCT
1977 — Grigoryan, Karen A. vs Kuzmin, Gennadi — 1/2-1/2 — Leningrad ch-URS