A25v - 5.e3 - Closed (1934)

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A25v — Closed (1934)
1.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 Bc5 5.e3
Les coups candidats
5…O-O — 48.8% (1954 parties)
Ambassadeurs : Vetter, Udo (16x), Hjorth, Jesper (13x), Movsesian, Sergei (8x), Watson, Roland (7x), Morley, Paul (6x), Van Reybrouck, Hubert (5x), Skomorokhin, Roman (5x), Ales Ferenc (5x)
5…d6 — 29.4% (1178 parties)
Ambassadeurs : Rutter, Blair A (6x), Watson, Roland (4x), Hryniw, Michael (3x), B, Owen (3x), Martinez Alcantara, Jose Eduardo (3x), Noboa Silva, Kevin (3x), Ochs, Daniel Elias (3x), Bonoldi, Fabio (3x)
5…d5 — 12.5% (500 parties)
Ambassadeurs : Korneev, Oleg (7x), Degtiarev, Evgeny (6x), Bulmaga, Irina (6x), Tomescu, Vlad (4x), Roques, Pascal (4x), Kopp, Bernd, Dr. (3x), Miles, Anthony J (3x), Hodgson, Julian M (3x)
5…a6 — 6.0% (239 parties)
Ambassadeurs : Dominic Gabriel D. Serrano (1x), Profeta, Caio Almeida (1x), Tatarczak, Jan (1x), Holmela, Kari (1x), Fuller, Maxwell L (1x), Allen, Andrew (1x), Mate, Laszlo (1x), Kiss, Andrej (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…d6 5…d5 5…a6
<1800 533 48% 38% 4% 5%
1800-2200 1786 50% 28% 13% 6%
2200-2600 878 45% 23% 22% 8%
2600+ 25 28% 16% 36% 20%
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…d6 5…d5 5…a6
1950s 17 59% 41% — —
1960s 18 33% 56% — —
1970s 22 45% 45% 9% —
1980s 70 46% 30% 17% 3%
1990s 466 49% 34% 9% 4%
2000s 1138 49% 28% 14% 5%
2010s 1915 51% 28% 12% 7%
2020s 357 36% 34% 17% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 51% 36% ▼ -14.9%
5…d6 28% 34% ▲ +6.2%
5…d5 12% 17% ▲ +5.7%
5…a6 7% 8% ▲ +1.6%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
5…O-O — 48.8% (1954 parties)
1950 — Rudenko, Ludmila vs Rubtsova, Olga — 1-0 — Moscow RUS
1950 — Bogoljubow, Efim vs Heymann, Samuel — 1-0 — FRG-ch Bad Pyrmont GER
1952 — Joyner, Lionel vs Gordon Noel Pires — 1-0 — Los Angeles, CA USA
1953 — Anay Barche vs Rethy, Pal — 1-0 — HUN-ch Budapest HUN
1953 — Herrmann, Ludwig vs Ahues, Carl — 1-0 — Leipzig GER
5…d6 — 29.4% (1178 parties)
1952 — Joyner, Lionel vs Gordon Noel Pires — 1/2-1/2 — Los Angeles, CA USA
1954 — Cafferty, Bernard vs Correia, JB. — 1-0 — Birmingham ENG
1955 — Gawliczek, Andreas vs Luczynowicz, Waclaw — 0-1 — Poland ch13
1956 — Gromek, Jozef vs Rojahn, Ernst — 1-0 — Moskou olm
1956 — Black, Robert vs John A Walecka — 1-0 — ?
5…d5 — 12.5% (500 parties)
1973 — Adams Otwori Jared vs Pereyra, Manuel — 0-1 — corr GB-ARG
1977 — Behle, Burkhard, Dr. vs Kopp, Bernd, Dr. — 0-1 — ?
1980 — Leitner, Maximilian vs Kopp, Bernd, Dr. — 1/2-1/2 — GER
1981 — Skarke, Hermann vs Kopp, Peter, Dr. — 1-0 — FRG-ch17 corr7982
1981 — Fries-Nielsen, Jens Ove vs Kopp, Bernd, Dr. — 1/2-1/2 — Duitsland tt
5…a6 — 6.0% (239 parties)
1985 — Tatarczak, Jan vs Holmela, Kari — 1-0 — Benidorm
1989 — Dominic Gabriel D. Serrano vs Profeta, Caio Almeida — 1-0 — corr Italy
1990 — Stojakovic, Branko vs Gatalica, Arkadije — 1-0 — Pula CRO
1992 — Kern, Guido vs Moutousis, Konstantinos — 0-1 — Dortmund open I
1992 — Ajiri Norman Roger vs Tordion, Michel — 1-0 — Hull CAN