C72a - 5…* - Morphy Defense, Modern Steinitz Defense (1905)

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C72a — Morphy Defense, Modern Steinitz Defense (1905)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O
Les coups candidats
Ambassadeurs : Westerinen, Heikki M.J. (42x), Ciocaltea, Victor (31x), Ivkov, Borislav (27x), Klovans, Janis (23x), ? (21x), Kulon, Klaudia (20x), Keres, Paul Petrovich (19x), Medina-Garcia, Antonio (18x)
Ambassadeurs : Yandemirov, Valeri (40x), Vorotnikov, Vladislav V (26x), Pietruske, Siegfried (13x), Upton, Timothy J (12x), Klovans, Janis (11x), Zeller, Frank (11x), Ciocaltea, Victor (10x), Biro, Sandor (10x)
Ambassadeurs : Lutikov, Anatoly S (7x), Potemri, Stefan (6x), Injac, Teodora (6x), Hejny, Jaroslav (5x), Winants, Luc (5x), Kordinova, Monika (4x), Carrizo, Jose Andres (4x), Furhoff, Johan (4x)
5…b5 — 3.5% (261 parties)
Ambassadeurs : Rolletschek, Heinrich (12x), Jempty, George M (6x), Curdo, John (3x), Miettinen, Kristo S (3x), Leskowsky, Zoltan Emerk (2x), Peters, Alexander John (2x), Bierenbroodspot, Paul (2x), Vavulin, Maxim (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bd7 5…Bg4 5…Nf6 5…b5
<1800 400 34% 23% 27% 6%
1800-2200 2179 50% 23% 15% 4%
2200-2600 3134 67% 18% 8% 3%
2600+ 225 80% 12% 4% 1%
Évolution par décennie (% des parties)
Décennie N parties 5…Bd7 5…Bg4 5…Nf6 5…b5
1950s 68 56% 21% 12% 4%
1960s 420 56% 30% 8% 2%
1970s 651 63% 22% 9% 2%
1980s 508 56% 30% 5% 3%
1990s 881 46% 25% 15% 5%
2000s 1463 44% 26% 17% 3%
2010s 1886 58% 18% 13% 4%
2020s 1560 69% 14% 11% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bd7 58% 69% ▲ +11.3%
5…Bg4 18% 14% ▼ -4.6%
5…Nf6 13% 11% ▼ -2.3%
5…b5 4% 3% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Anand, Viswanathan — 7 parties
Kasparov, Garry — 4 parties
Carlsen, Magnus — 3 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie
Parties historiques
5…Bd7 — 56.1% (4172 parties)
1950 — Vajda, Arpad vs Szabo, Laszlo — 1/2-1/2 — Budapest HUN
1950 — Unzicker, Ferdinand, Dr. vs Saemisch, Friedrich — 1-0 — Travemuende
1950 — Cuadrado Pastor, Antonio vs Wood, Gabriel — 1/2-1/2 — corr Wch1
1950 — Bergqvist, Nils vs Staudte, Hans-Hilmar — 0-1 — Dubrovnik olm
1951 — Radojcic, Miroslav vs Sergeant, Edward — 0-1 — Hastings ENG
5…Bg4 — 21.6% (1610 parties)
1951 — Barde Pratham vs Joachim, C.K.. — 1/2-1/2 — Blaine
1952 — Lambert, Hans vs Horne, Dennis Morton — 0-1 — Helsinki olm
1954 — Fichtl, Jiri vs Sefc, Jan — 1-0 — Prague CZE
1956 — Cernik, Frantisek vs Smetana, Jaroslav — 0-1 — Chomutov
1957 — Khanov, Kurban vs Kaminsky, Oleg — 0-1 — Sverdlovsk
5…Nf6 — 12.4% (922 parties)
1951 — Bogoljubow, Efim vs Kieninger, Georg — 1-0 — Augsburg GER
1953 — Luczynowicz, Waclaw vs Grabczewski, Romuald — 0-1 — Krakow POL
1953 — Yanofsky, Daniel Abraham vs Horne, Dennis Morton — 0-1 — Hastings ch-BCF
1954 — Unzicker, Ferdinand, Dr. vs Abiolla James — 1-0 — Munich GER
1956 — Flores, Adrian vs Andrade Andrade, Mathias Benjamin — 1/2-1/2 — Moskou olm
5…b5 — 3.5% (261 parties)
1950 — Ronean, J. vs Genereux, Paul — 1/2-1/2 — Edmonton CAN
1952 — Gentil Junior, Luiz vs Maderna, Carlos — 0-1 — Mar del Plata ARG
1958 — Siveri, Armando vs Baldanello, Mario — 0-1 — San Benedetto
1960 — Spassky, Boris V. vs Sakharov, Yuri N — 1-0 — Moscow RUS
1962 — Ajanski, Jordan S vs Filchev, Rusko — 0-1 — Sofia BUL