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B25c — Closed, Botvinnik Defense, with Nge2 (1954)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e5
Les coups candidats
7.O-O — 52.6% (500 parties)
Ambassadeurs : Hoen, Ragnar Harald (4x), ? (3x), Reer, Erdmann (3x), Koester, Hans Dieter (2x), Groenegress, Wilfried (2x), Reinhardt, Enrique (2x), Pljusnin, Victor (2x), Rosen, Willy (2x)
7.Nd5 — 24.2% (230 parties)
Ambassadeurs : Tompa, Janos (6x), Karpov, Anatoly (4x), Spassky, Boris Vasily (4x), Honfi, Karoly (2x), Emma, Jaime (2x), Adorjan, Andras (2x), Todorcevic Antic, Miodrag (2x), Rosen, Willy (2x)
7.Be3 — 14.1% (134 parties)
Ambassadeurs : Segal, Alexandru Sorin (1x), Ungureanu, Emil (1x), Cuijpers, Frans Andre (1x), ? (1x), Brzozka, Stefan (1x), Bednarski, Jacek (1x), Hawson, JB. (1x), Parr, Frank (1x)
7.h4 — 3.7% (35 parties)
Ambassadeurs : Ruefenacht, Matthias (4x), King, Daniel J (3x), Wittmann, Walter (2x), Gheorghiu, Florin (2x), Skorobogatykh, Andrey (2x), Watzka, Horst (1x), Schuh, Hubert (1x), Hug, Werner (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.Nd5 7.Be3 7.h4
<1800 52 56% 10% 25% 2%
1800-2200 442 56% 21% 17% 2%
2200-2600 297 46% 33% 8% 6%
2600+ 10 30% 30% 20%
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.Nd5 7.Be3 7.h4
1950s 11 45% 45% 9%
1960s 46 61% 30% 9%
1970s 26 46% 35% 15%
1980s 53 42% 36% 9% 8%
1990s 181 57% 21% 15% 2%
2000s 257 56% 18% 15% 5%
2010s 273 51% 26% 14% 4%
2020s 103 45% 28% 17% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 51% 45% ▼ -6.3%
7.Nd5 26% 28% ▲ +2.1%
7.Be3 14% 17% ▲ +2.6%
7.h4 4% 3% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Tal, Mikhail — 1 partie
Botvinnik, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
7.O-O — 52.6% (500 parties)
1957 — Emden, Hermann vs Florian, Tibor — 0-1 — San Benedetto
1957 — Shishov, Mikhail vs Zhukhovitsky, Samuel — 0-1 — Tbilisi GEO
1958 — Handel, Horst vs Bogdanovic, Rajko — 0-1 — Varna BUL
1959 — Pratten, Wilfred Heny vs Gilbertson, D. — 1/2-1/2 — Bognor Regis
1959 — Franz, Joachim vs Raetsch, Heinz — 0-1 — GDR-ch Leipzig GER
7.Nd5 — 24.2% (230 parties)
1954 — Smyslov, Vasily vs Botvinnik, Mikhail — 0-1 — Moskou wch-m
1957 — Goldberg, Grigory vs Boleslavsky, Isaac — 1/2-1/2 — Kiev UKR
1958 — Emma, Jaime vs Panno, Oscar — 0-1 — Mar del Plata ARG
1958 — Emma, Jaime vs Sanguinetti, Raul — 0-1 — Buenos Aires ARG
1958 — Mazans vs Peterson, Andrejs — 1/2-1/2 — Riga LAT
7.Be3 — 14.1% (134 parties)
1957 — Nowarra, Waltraud vs Paschke, Elfriede — 1/2-1/2 — Soemmerda
1961 — Brzozka, Stefan vs Bednarski, Jacek — 1/2-1/2 — Katowice ch18-POL
1962 — Hawson, JB. vs Parr, Frank — 0-1 — Whitby ch-BCF
1967 — Segal, Alexandru Sorin vs Ungureanu, Emil — 0-1 — Bucharest ROU
1967 — Cuijpers, Frans Andre vs ? — 1/2-1/2 — Halle GER
7.h4 — 3.7% (35 parties)
1985 — Watzka, Horst vs Schuh, Hubert — 1-0 — Arandjelovac
1985 — Hug, Werner vs Speelman, Jon S — 1/2-1/2 — Lucerne SUI
1985 — Wittmann, Dr. Walter vs Baquet, Roland — 0-1 — WT/M/GT
1986 — Wittmann, Walter vs Miniboeck, Guenter — 1-0 — Wenen open
1995 — Wittmann, Walter vs Kraschl, Joerg — 1-0 — Austria Tch 9596