B39g - 10.Bd3 - Maroczy Bind, Breyer (1952)

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B39g — Maroczy Bind, Breyer (1952)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 Nxd4 9.Qd1 e5 10.Bd3
Les coups candidats
10…O-O — 77.1% (614 parties)
Ambassadeurs : Remmel, Tim (6x), Afek, Yochanan (6x), Espig, Lutz (5x), Rogers, Ian (4x), Kallai, Gabor (4x), Caillet, Serge (4x), Schroeder, Christoph (4x), Stein, Leonid (3x)
10…d6 — 21.4% (170 parties)
Ambassadeurs : Hillebrand, Carsten (8x), Bragesjö, Tomas (6x), Flitsch, Günther (6x), Moujan, Pablo Miguel (5x), Smyslov, Vasily (2x), Botvinnik, Mikhail (2x), Afifi, Assem (2x), Brodie, Hugh (2x)
10…a6 — 0.6% (5 parties)
Ambassadeurs : Nedeljkovic, Verica (1x), Asenova, Venka (1x), Miranda, Marcio Marcos do Carmo (1x), Camara, Ronald (1x), Kraus, Eduard (1x), Freeman, Nigel (1x), Garnier-Salvi, Vincent (1x), Hocevar, Nikola (1x)
10…b6 — 0.5% (4 parties)
Ambassadeurs : Trajber, Csaba Dr. (1x), Hocevar, Nikola (1x), Litowski, Jakub (1x), Wisniewski, Przemyslaw (1x), Milov, Leonid (1x), Hilzinger, Markus (1x), Rida, Ruqayyah (1x), Tucker, David S (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…O-O 10…d6 10…a6 10…b6
<1800 37 43% 49% 3% 3%
1800-2200 302 73% 25% 1% 1%
2200-2600 374 82% 17% — 0%
2600+ 7 71% 29% — —
Évolution par décennie (% des parties)
Décennie N parties 10…O-O 10…d6 10…a6 10…b6
1950s 17 71% 29% — —
1960s 28 82% 7% 11% —
1970s 17 94% 6% — —
1980s 21 81% 19% — —
1990s 165 95% 4% — —
2000s 153 92% 7% 1% 1%
2010s 260 68% 31% 0% 0%
2020s 135 54% 45% — 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…O-O 68% 54% ▼ -13.6%
10…d6 31% 45% ▲ +14.4%
10…a6 0% 0% -0.4%
10…b6 0% 1% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Parties historiques
10…O-O — 77.1% (614 parties)
1952 — Byvshev, Vasily vs Simagin, Vladimir — 0-1 — Moskou ch-URS
1954 — Kholmov, Ratmir D vs Aronson, Lev — 1-0 — Riga LAT
1954 — Byvshev, Vasily vs Ilivitsky, Georgy A — 0-1 — Kiev ch-URS
1955 — Roizman, Michael vs Veresov, Gavriil — 1/2-1/2 — URS-ch sf Minsk BLR
1956 — Penrose, Jonathan vs Toran Albero, Roman — 1/2-1/2 — It Hastings ENG
10…d6 — 21.4% (170 parties)
1956 — Smyslov, Vasily vs Botvinnik, Mikhail — 1/2-1/2 — Moscow RUS
1956 — Smyslov, Vasily vs Botvinnik, Mikhail — 1/2-1/2 — Moscow Alekhine mem
1956 — Byvshev, Vasily vs Lisitsin, Georgy — 1/2-1/2 — Leningrad RUS
1957 — Ravn, Palle vs Nielsen, Hartvig — 1-0 — Odense DEN
1957 — Matanovic, Aleksandar vs Toran Albero, Roman — 1-0 — Beverwijk NED
10…a6 — 0.6% (5 parties)
1965 — Miranda, Marcio Marcos do Carmo vs Camara, Ronald — 1-0 — Rio de Janeiro BRA
1967 — Nedeljkovic, Verica vs Asenova, Venka — 1-0 — Subotica SRB
1967 — Kraus, Eduard vs Freeman, Nigel — 1/2-1/2 — England
2003 — Garnier-Salvi, Vincent vs Hocevar, Nikola — 1/2-1/2 — ?
2015 — Librelato, Kathie Goulart vs Schucman, Rebeca Lot — 1-0 — Lages
10…b6 — 0.5% (4 parties)
2003 — Trajber, Csaba Dr. vs Hocevar, Nikola — 1-0 — Budapest HUN
2008 — Litowski, Jakub vs Wisniewski, Przemyslaw — 0-1 — Poland
2016 — Milov, Leonid vs Hilzinger, Markus — 1-0 — Heusenstamm GER
2023 — Rida, Ruqayyah vs Tucker, David S — 0-1 — Daventry, ENG