C90d - 9.a4 Bg4 - Closed

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C90d — Closed
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.a4 Bg4
Eval: [+0.29]
Les coups candidats
10.h3 — 61.5% (444 parties)
Ambassadeurs : Bernal Varela, Nelson (11x), Kupreichik, Viktor D (9x), Ljubojevic, Ljubomir (5x), Cole, Steve (5x), Romanishin, Oleg M (4x), Pillsbury, Harry (3x), Reeh, Oliver (3x), Nickl, Klaus (3x)
10.d3 — 33.8% (244 parties)
Ambassadeurs : Kupreichik, Viktor D (13x), Anand, Viswanathan (5x), Jurkovic, Ante (4x), Klinger, Josef (3x), Van der Wiel, John T.H. (3x), Torre, Eugenio (3x), Nunn, John D M (3x), Thipsay, Praveen M (3x)
10.d4 — 2.4% (17 parties)
Ambassadeurs : Olland, Adolf George (2x), Breyer, Gyula (1x), Blackburne, Joseph (1x), Schlechter, Carl (1x), Teichmann, Richard (1x), Barry, Jacob (1x), Showalter, Jackson (1x), Zagorovsky, Vladimir (1x)
10.axb5 — 1.4% (10 parties)
Ambassadeurs : Pillsbury, Harry (1x), Mlotkowski, Stasch (1x), Weiss, Philippe (1x), Důras, Oldřich (1x), Yates, Frederic D (1x), Balla, Zoltan Tibor (1x), Halser, Walter (1x), Frosch, Erich (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.h3 10.d3 10.d4 10.axb5
<1800 18 61% 22% 11% 6%
1800-2200 177 64% 30% 2% 2%
2200-2600 381 61% 37% 0% —
2600+ 20 70% 25% 5% —
Évolution par décennie (% des parties)
Décennie N parties 10.h3 10.d3 10.d4 10.axb5
1900s 13 38% 31% 23% 8%
1910s 3 — — 33% 67%
1920s 1 — 100% — —
1930s 2 100% — — —
1940s 2 50% 50% — —
1950s 7 43% 43% 14% —
1960s 10 80% 20% — —
1970s 3 100% — — —
1980s 77 51% 47% 1% —
1990s 79 59% 33% 1% 4%
2000s 212 56% 42% 1% 1%
2010s 261 69% 27% 2% 0%
2020s 52 73% 23% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.h3 69% 73% ▲ +4.1%
10.d3 27% 23% ▼ -4.1%
10.d4 2% 2% -0.4%
10.axb5 0% 2% ▲ +1.5%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 5 parties
Alekhine, Alexander — 1 partie
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Parties historiques
10.h3 — 61.5% (444 parties)
1902 — Pillsbury, Harry vs Cohn, Erich — 1/2-1/2 — Hannover GER
1902 — Pillsbury, Harry vs Cohn, Caio Henrique — 1/2-1/2 — Hannover GER
1903 — Pillsbury, Harry vs D Marco, Gianni — 1-0 — Monte Carlo MNC
1904 — Cohn, Caio Henrique vs Kaegbein — 1-0 — Coburg
1907 — Tarrasch, Siegbert vs Burn, Amos — 1-0 — Ostende
10.d3 — 33.8% (244 parties)
1903 — Rubinstein, Akiba vs Marco, Georg — 1-0 — Monte Carlo MNC
1908 — Prokes, Jaromir vs Leonhardt, Fabrice — 0-1 — Prague CZE
1908 — Hughes, William Harold vs Ayala, Marcelo — 1/2-1/2 — New York, NY USA
1908 — Maroczy, Geza vs Důras, Oldřich — 1/2-1/2 — Prague CZE
1925 — De La Torre Huertas, Carlos vs Mieses, Jacques — 1-0 — Baden-Baden GER
10.d4 — 2.4% (17 parties)
1904 — Barry, Jacob vs Showalter, Jackson — 1/2-1/2 — Cambridge
1907 — Olland, Adolf George vs Schlechter, Carl — 0-1 — Carlsbad CZE
1907 — Olland, Adolf George vs Teichmann, Richard — 1/2-1/2 — Carlsbad CZE
1911 — Breyer, Gyula vs Blackburne, Joseph — 1/2-1/2 — Cologne GER
1951 — Zagorovsky, Vladimir vs Anufriev, Aleksandr — 1-0 — USSR
10.axb5 — 1.4% (10 parties)
1905 — Pillsbury, Harry vs Mlotkowski, Stasch — 0-1 — ?
1912 — Yates, Frederic D vs Balla, Zoltan Tibor — 1/2-1/2 — Bad Pistyan CZE
1913 — Weiss, Philippe vs Důras, Oldřich — 1/2-1/2 — New York, NY USA
1990 — Osman, Abdelgadir vs Ottaviani, Walter — 1-0 — Novi Sad SRB
1998 — Halser, Walter vs Frosch, Erich — 0-1 — Graz AUT