D94g - 5…O-O 6.Bd2 - Opocensky Variation (1925)

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D94g — Opocensky Variation (1925)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2
Les coups candidats
6…c5 — 39.2% (396 parties)
Ambassadeurs : Bobotsov, Milko G (5x), Jansa, Vlastimil (5x), Zilberman, Yaacov (5x), Taimanov, Mark (4x), Macsik, Tamas (4x), Tukmakov, Vladimir B (4x), Shamkovich, Leonid (3x), Gurevich, Dmitry (3x)
6…c6 — 26.7% (270 parties)
Ambassadeurs : Bobotsov, Milko G (6x), Hort, Vlastimil (5x), Gheorghiu, Florin (5x), Trifunovic, Petar (4x), Kholmov, Ratmir D (4x), Starke, Ronald (3x), Barsov, Alexei (3x), Taimanov, Mark (2x)
6…e6 — 12.7% (128 parties)
Ambassadeurs : Bobotsov, Milko G (3x), Novikov, Igor (3x), Likavsky, Tomas (3x), Wade, Robert G (2x), Kozma, Julius (2x), Gufeld, Eduard (2x), Kholmov, Ratmir D (2x), Khasin, Abram (2x)
6…b6 — 10.8% (109 parties)
Ambassadeurs : Macskasy, Elod (3x), Aegerter, Martin (2x), Neverov, Valeriy (2x), Epishin, Vladimir (2x), Zamkovskaya, Violetta Aleks (1x), Zagorovsky, Vladimir (1x), Donoso, Carlos (1x), Yepez, Olavo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…c5 6…c6 6…e6 6…b6
<1800 51 33% 16% 8% 12%
1800-2200 260 34% 32% 6% 17%
2200-2600 461 47% 23% 16% 8%
2600+ 27 33% 22% 33% —
Évolution par décennie (% des parties)
Décennie N parties 6…c5 6…c6 6…e6 6…b6
1950s 13 15% 46% 15% 8%
1960s 75 21% 43% 20% 8%
1970s 129 50% 23% 13% 5%
1980s 94 46% 30% 14% 6%
1990s 170 33% 32% 8% 14%
2000s 214 38% 27% 9% 13%
2010s 249 42% 20% 13% 12%
2020s 66 42% 18% 23% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…c5 42% 42% ▲ +0.7%
6…c6 20% 18% ▼ -2.3%
6…e6 13% 23% ▲ +9.5%
6…b6 12% 14% ▲ +2.0%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
6…c5 — 39.2% (396 parties)
1950 — Ojanen, Kaarle S vs Flores, Ranz Kirby Anthony — 1/2-1/2 — Dubrovnik olm
1959 — Borisenko, Georgy K vs Shamkovich, Leonid — 0-1 — RUS
1960 — Wagstaff, Roy A vs Freeman, Neil Leslie — 1/2-1/2 — Paignton
1960 — Lazarev, Efim M. vs Volchok, Alexandr — 1/2-1/2 — Kiev UKR
1961 — Lenchiner, Izia vs Volchok, Alexandr — 1-0 — ?
6…c6 — 26.7% (270 parties)
1950 — Trifunovic, Petar vs Rossetto, Hector Decio — 1/2-1/2 — Dubrovnik CRO
1952 — Trifunovic, Petar vs Bogdanovic, Rajko — 1/2-1/2 — Belgrade SRB
1952 — Williams, J.Noel vs Zalys, Ignas — 1-0 — Quebec op
1954 — Staldi, Cherubino vs Zoppetti, Giuseppe — 1-0 — Trieste
1954 — Trifunovic, Petar vs Agustsson, Gudmundur — 1/2-1/2 — Amsterdam NED
6…e6 — 12.7% (128 parties)
1951 — Trifunovic, Petar vs Milic, Borislav — 1/2-1/2 — Ljubljana
1954 — Orlov, Grigory vs Nezhmetdinov, Rashid — 1/2-1/2 — Riga LAT
1960 — Borisenko, Georgy K vs Seleznev, Valentin — 1-0 — Perm RUS
1961 — Wade, Robert G vs Lehmann, Heinz — 0-1 — Zevenaar
1962 — Wade, Robert G vs Simagin, Vladimir — 0-1 — Moscow RUS
6…b6 — 10.8% (109 parties)
1956 — Spassky, Boris V. vs Goldberg, Grigory A — 1-0 — Leningrad RUS
1960 — Zamkovskaya, Violetta Aleks vs Zagorovsky, Vladimir — 1/2-1/2 — Kiev UKR
1960 — Sakharov, Yuri N vs Volchok, Alexandr — 1-0 — ?
1962 — Donoso, Carlos vs Yepez, Olavo — 0-1 — Pichincha
1962 — Kottnauer, Cenek vs Baxter, RWM. W G — 1-0 — Whitby ch-BCF