B08b - 4…Bg7 5.h3 - Classical

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B08b — Classical
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3
Eval: [+0.47]
Les coups candidats
Ambassadeurs : Espig, Lutz (27x), Hoi, Carsten (23x), Todorcevic Antic, Miodrag (18x), Pribyl, Josef (16x), Sznapik, Aleksander (15x), Torre, Eugenio (11x), Sarno, Spartaco (11x), Sienczewski, Zbigniew (11x)
Ambassadeurs : McNab, Colin A (12x), Reizniece, Dana (5x), Azmaiparashvili, Zurab (4x), Paoli, Enrico (3x), Gipslis, Aivars (3x), Gubanov, Aleksandr (3x), Ditt, Egon (3x), Calzetta Ruiz, Monica (3x)
5…a6 — 2.7% (233 parties)
Ambassadeurs : Gurevich, Michael (3x), Klenburg, Michael (2x), Visschedijk, Marijn (2x), Wuts, Helene (2x), Thollin, Robert (2x), Amura, Claudia (2x), De Haro, Martim Afonso Palma (2x), Knaak, Rainer (1x)
5…c5 — 2.3% (199 parties)
Ambassadeurs : Fullbrook, Nigel (4x), Ermenkov, Evgenij (2x), Forbes, Garry (2x), Steinberg, Sven (2x), Guenther, Carsten (2x), Tolonen, Leo (2x), Lehtinen, Heikki (2x), Parkanyi, Attila (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…c6 5…a6 5…c5
<1800 362 73% 17% 2% 2%
1800-2200 3202 77% 14% 3% 3%
2200-2600 3206 83% 12% 3% 1%
2600+ 33 82% 12% 6% —
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…c6 5…a6 5…c5
1880s 1 — — — —
1900s 1 — — — —
1920s 8 100% — — —
1930s 6 100% — — —
1940s 10 90% 10% — —
1950s 38 89% 8% — 3%
1960s 70 77% 14% — 6%
1970s 221 88% 8% 0% 2%
1980s 672 85% 10% 2% 2%
1990s 2041 82% 11% 1% 3%
2000s 2513 77% 14% 3% 2%
2010s 2789 78% 13% 4% 2%
2020s 417 76% 13% 5% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 78% 76% ▼ -1.8%
5…c6 13% 13% -0.1%
5…a6 4% 5% ▲ +1.4%
5…c5 2% 3% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 6 parties
Tal, Mikhail — 5 parties
Botvinnik, Mikhail — 2 parties
Lasker, Emanuel — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
5…O-O — 79.3% (6969 parties)
1922 — Rubinstein, Akiba vs Selezniev, Alexey — 1-0 — Triberg GER
1925 — De Freitas, Julio Eimard vs Rivas Costa, Santiago — 0-1 — Montevideo URU
1926 — Fox, Maurice vs Eastman, George — 1/2-1/2 — Montreal CAN
1926 — Lasker, Emanuel vs Sidney Gale — 1-0 — Toronto CAN
1926 — Wagner, Heinrich vs Lokvenc, Josef — 1-0 — Vienna AUT
5…c6 — 12.8% (1121 parties)
1946 — Ravinsky, Grigory vs Smyslov, Vladimir — 1-0 — Moscow RUS
1956 — Bannik, Anatolij vs Tarasov, Vitaly — 1/2-1/2 — Kharkov UKR
1957 — Wexler, Bernardo vs Kotov Lundqvist, Alex — 1-0 — Mar del Plata ARG
1959 — Tcherniak, Gilles vs Bielicki, Carlos — 0-1 — Muenchenstein/Basel
1961 — Zalys, Ignas vs Siklos, Alex Sandor — 1/2-1/2 — Golden Knights
5…a6 — 2.7% (233 parties)
1975 — Day, Lawrence A. vs Harper, Brian — 1-0 — Calgary CAN
1980 — Spassky, Boris V. vs Van der Wiel, John T.H. — 1-0 — Baden-Baden GER
1982 — McKay, Roderick M vs Hort, Vlastimil — 1-0 — Lucerne SUI
1984 — Haluska J vs Yuhas, L. — 1-0 — Plymouth ch-MI op
1986 — Sokolov, Ivan vs McDonald, Nathan — 1-0 — Groningen ech-jr
5…c5 — 2.3% (199 parties)
1958 — Kholmov, Ratmir D vs Tarasov, Vitaly — 1/2-1/2 — Tashkent UZB
1961 — Fernandez, Eduardo vs Flores Alvarez, Rodrigo — 0-1 — Santiago de Chile
1962 — Buskenstrom, Sven vs Botvinnik, Mikhail — 0-1 — Stockholm SWE
1966 — Letelier Martner, Rene vs Durão, Joaquim Manuel — 1-0 — La Habana olm fin-C
1967 — Julia Thomas, Roman vs Pritchard, David J — 1/2-1/2 — Oxford ch-BCF