B08b - 4…Bg7 5.h3 - Schlechter Variation (1907)

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B08b — Schlechter Variation (1907)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3
Les coups candidats
Ambassadeurs : Espig, Lutz (24x), Hoi, Carsten (22x), Pribyl, Josef (17x), Sznapik, Aleksander (15x), Vogt, Lothar (12x), Torre, Eugenio (11x), Kuczynski, Robert (10x), Sarno, Spartaco (10x)
Ambassadeurs : McNab, Colin A (12x), Azmaiparashvili, Zurab (5x), Paoli, Enrico (4x), Gubanov, Anton (4x), Tuovinen, Jukka (4x), Ditt, Egon (3x), Calzetta Ruiz, Monica (3x), Vrchotka, Josef (2x)
5…a6 — 2.7% (244 parties)
Ambassadeurs : Gurevich, Valery M. (3x), Klenburg, Michael (2x), Thollin, Robert (2x), Amura, Claudia (2x), Spassky, Boris V. (1x), Van der Wiel, John T.H. (1x), Knaak, Rainer (1x), Paehtz, Thomas (1x)
5…c5 — 2.3% (202 parties)
Ambassadeurs : Fullbrook, Nigel (4x), Ermenkov, Evgenij (2x), Forbes, Garry (2x), Espig, Lutz (2x), Parkanyi, Attila (2x), Rodriguez Perez, Angel Mariano (2x), Thomas, Richard Huw (1x), Pritchard, David Brine (1x)
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 641 75% 15% 2% 2%
1800-2200 3722 77% 14% 3% 3%
2200-2600 3189 83% 12% 3% 1%
2600+ 26 81% 12% 8% —
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…c6 5…a6 5…c5
1950s 38 89% 8% — 3%
1960s 69 77% 14% — 6%
1970s 224 88% 8% 0% 2%
1980s 676 84% 11% 2% 2%
1990s 2044 82% 11% 1% 3%
2000s 2520 77% 14% 3% 2%
2010s 2829 78% 13% 4% 2%
2020s 576 74% 14% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 78% 74% ▼ -4.1%
5…c6 13% 14% ▲ +0.8%
5…a6 4% 6% ▲ +1.9%
5…c5 2% 2% +0.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Botvinnik, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
5…O-O — 79.1% (7104 parties)
1950 — Tartakower, Savielly vs Ivkov, Borislav — 1/2-1/2 — Bled SLO
1950 — Nestler, Vincenzo vs Primavera, Giuseppe — 1-0 — Sorrento ITA
1950 — Kopetzky, Karl vs Bahro, Tom — 1-0 — Vienna AUT
1950 — Eliskases, Erich vs Pirc, Vasja — 1/2-1/2 — Mar del Plata ARG
1950 — De Freitas, Marcio Elisio vs Pirc, Vasja — 0-1 — Mar del Plata ARG
5…c6 — 12.8% (1151 parties)
1956 — Bannik, Anatolij vs Tarasov, Vitaly — 1/2-1/2 — Kharkov UKR
1957 — Wexler, Bernardo vs Kotov, Alexander — 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
1964 — Kirby, Kenneth vs Botvinnik, Mikhail — 0-1 — Tel Aviv ISR
5…a6 — 2.7% (244 parties)
1975 — Day, Lawrence A. vs Harper, Bruce — 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 — Luzern olm
1984 — Haluska, J. vs Yuhas, L. — 1-0 — Plymouth ch-MI op
1986 — Sokolov, Ivan vs McDonald, Neil — 1-0 — Groningen ech-jr
5…c5 — 2.3% (202 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 — Baumeister, Sven vs Botvinnik, Mikhail — 0-1 — ?
1966 — Letelier Martner, René vs Durão, Joaquim Manuel — 1-0 — Havana CUB
1967 — Thomas, Richard Huw vs Pritchard, David Brine — 1/2-1/2 — Oxford ch-BCF