E17r - 7.b3 - Euwe Variation (1934)

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E17r — Euwe Variation (1934)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3
Les coups candidats
Ambassadeurs : Pravec, Ladislav (9x), Novikov, Igor (5x), Novikov, Maxim I (5x), Komarov, Dimitri (4x), Gheorghiu, Florin (4x), Todorov, Ognjan (4x), ? (3x), Dorfman, Iossif (3x)
7…d6 — 21.9% (157 parties)
Ambassadeurs : Maly, Alexey (3x), Vanduyfhuys, Daria (3x), Petrik, Tomas (2x), Hernandez Diaz, Paula Sofia (2x), Pilnik, Herman (1x), Sanchez Alpizar, Luis Alberto (1x), Liem Hong Gie (1x), Palmason, Gudmundur (1x)
Ambassadeurs : Novikov, Maxim I (5x), Rashkovsky, Nukhim N (3x), Novikov, Igor (3x), Parma, Bruno (2x), Anguera Maestro, Jaime (2x), Hendriks, Willy (2x), Gereben, Erno (2x), Yemelin, Vasily (2x)
7…Ne4 — 3.6% (26 parties)
Ambassadeurs : Hradetzky, Horst (1x), Ask, P. (1x), Litmanowicz, Miroslawa (1x), Funke, Arnold (1x), Zinn, Lothar (1x), Liebert, Heinz (1x), Gereben, Erno (1x), Happel, H. A (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…d5 7…d6 7…c5 7…Ne4
<1800 32 47% 25% 12% 12%
1800-2200 268 44% 28% 18% 4%
2200-2600 298 46% 18% 24% 1%
2600+ 13 77% — 23% —
Évolution par décennie (% des parties)
Décennie N parties 7…d5 7…d6 7…c5 7…Ne4
1950s 18 28% 11% 50% 6%
1960s 21 33% 14% 38% 10%
1970s 33 24% 15% 52% 3%
1980s 40 65% 15% 12% 2%
1990s 116 50% 18% 20% 4%
2000s 203 43% 28% 22% 2%
2010s 222 48% 21% 17% 5%
2020s 63 41% 29% 17% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…d5 48% 41% ▼ -6.5%
7…d6 21% 29% ▲ +7.9%
7…c5 17% 17% ▲ +0.8%
7…Ne4 5% 2% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
7…d5 — 45.1% (323 parties)
1951 — Botvinnik, Mikhail vs Bronstein, David I — 0-1 — Moskou wch-m
1952 — Mardle, Denis vs Bronstein, David I — 0-1 — Liverpool
1955 — Kieninger, Georg vs Pirc, Vasja — 1/2-1/2 — Hamburg GER
1956 — Horowitz, Albert Israel vs Lombardy, William J — 1/2-1/2 — New York, NY USA
1958 — Katalymov, Boris vs Tarasov, Vitaly — 0-1 — Tashkent UZB
7…d6 — 21.9% (157 parties)
1952 — Pilnik, Herman vs Sanchez Alpizar, Luis Alberto — 1-0 — Saltsjobaden SWE
1959 — Todorova, Paunka vs Keller-Hermann, Edith — 0-1 — Plovdiv BUL
1962 — Sulik, Franciszek vs Haynes, Trevor Anthony — 0-1 — Perth AUS
1966 — Liem Hong Gie vs Palmason, Gudmundur — 1-0 — Havana CUB
1968 — Lederer, G. vs Rehagen, HW. — 1-0 — corr FRG-PK
7…c5 — 21.6% (155 parties)
1951 — Stoltz, Gosta vs Keller, Edith — 1-0 — It Dortmund GER
1951 — Borloy, Karoly vs Gracs, Pal — 1-0 — chess.net INT
1952 — Nelson, Victor vs Shilton, Roy — 1-0 — Bolton
1953 — Maderna, Carlos vs Bolbochan, Jacobo — 0-1 — Mar del Plata ARG
1955 — Flohr, Salo vs Keres, Paul Petrovich — 1/2-1/2 — Parnu Parnu EST
7…Ne4 — 3.6% (26 parties)
1959 — Litmanowicz, Miroslawa vs Funke, Arnold — 1-0 — Magdeburg GER
1961 — Zinn, Lothar vs Liebert, Heinz — 1-0 — GDR-ch Premnitz GER
1964 — Hradetzky, Horst vs Ask, P. — 1-0 — corr FS
1976 — Gereben, Erno vs Happel, H. A — 1/2-1/2 — Gausdal NOR
1988 — Sobrino Garcia, Raul vs Garcia Corada, Pedro — 0-1 — Valladolid