B74j - 9…Be6 10.f4 Na5 11.f5 Bc4 12.Bd3 - Dragon Classical Spielmann Variation [+0.12]

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B74j — Dragon Classical Spielmann Variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Bd3
Eval: [+0.12]
Les coups candidats
12…Bxd3 — 53.4% (119 parties)
Ambassadeurs : Iliesco, Juan (4x), Ruefenacht, Matthias (2x), Engel, Harald (2x), Sakharov, Yuri N (1x), Kogan, Efim (1x), Altman, B. (1x), Denker, Arnold S (1x), Spielmann, Rudolf (1x)
12…Nxb3 — 14.3% (32 parties)
Ambassadeurs : Luckis, Marcos (2x), Taylor, John M (1x), Holowach, Walter (1x), Heemsoth, Hermann (1x), De Meyer, Hendrik (1x), Spielmann, Rudolf (1x), Petrov, Vladimirs (1x), Flores Alvarez, Rodrigo (1x)
12…Rc8 — 9.4% (21 parties)
Ambassadeurs : Tranmer, Eileen Betsy (1x), Bruce, Rowena M (1x), Aitken, James (1x), Bruce, Ronald MacKay (1x), Kowalewski, Kacper (1x), Hamm, K. (1x), Knight, Timothy (1x), Oney, Adil Feridun (1x)
12…b5 — 8.5% (19 parties)
Ambassadeurs : El Debs, Felipe de Cresce (2x), Burgalat, Eliot (1x), Iliesco (1x), Stahlberg, Gideon (1x), Iliesco, Juan (1x), Yurkov, Vladimir (1x), Zaitsev, Igor A (1x), Petrushin, Aleksey Pav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…Bxd3 12…Nxb3 12…Rc8 12…b5
<1800 2 — — 50% —
1800-2200 37 54% 11% 8% 14%
2200-2600 102 51% 14% 11% 10%
Évolution par décennie (% des parties)
Décennie N parties 12…Bxd3 12…Nxb3 12…Rc8 12…b5
1930s 3 67% 33% — —
1940s 25 44% 16% 8% 8%
1950s 5 40% 60% — —
1960s 8 38% 12% — 12%
1970s 17 59% 12% 12% 12%
1980s 30 70% 7% 10% 7%
1990s 59 49% 14% 10% 3%
2000s 52 56% 15% 12% 13%
2010s 22 50% 9% 9% 14%
2020s 2 50% 50% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…Bxd3 50% 50% +0.0%
12…Nxb3 9% 50% ▲ +40.9%
12…Rc8 9% 0% ▼ -9.1%
12…b5 14% 0% ▼ -13.6%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
12…Bxd3 — 53.4% (119 parties)
1938 — Spielmann, Rudolf vs Landau, Salo — 1/2-1/2 — Amsterdam NED
1939 — Montoya Eisinger, Maximiliano vs Gilg, Karl — 1/2-1/2 — Bad Oeynhausen ch-GER
1941 — Sulik, Franciszek vs Bolbochan, J. — 1-0 — Mar del Plata ARG
1943 — Eliskases, Erich vs Rabinovici, Pinea — 1-0 — Rio de Janeiro BRA
1944 — Altman, B. vs Denker, Arnold S — 1/2-1/2 — New York ch-USA
12…Nxb3 — 14.3% (32 parties)
1934 — Spielmann, Rudolf vs Petrov, Vladimirs — 1/2-1/2 — Riga LAT
1941 — Ojeda, Javier vs Luckis, Marcos — 1/2-1/2 — Buenos Aires ARG
1944 — Flores Alvarez, Rodrigo vs Luckis, Marcos — 1-0 — Mar del Plata ARG
1945 — Taylor, John M vs Holowach, Walter — 0-1 — Canada ch
1948 — Heemsoth, Hermann vs De Meyer, Hendrik — 1-0 — corr Klaus Junge mem
12…Rc8 — 9.4% (21 parties)
1947 — Tranmer, Eileen Betsy vs Bruce, Rowena M — 1/2-1/2 — Harrogate
1947 — Aitken, James vs Bruce, Ronald MacKay — 1-0 — Harrogate
1973 — Knight, Timothy vs Oney, Adil Feridun — 1/2-1/2 — Groningen NED
1974 — Hecht, Hans-Joachim vs Tarjan, James — 1/2-1/2 — Nice olm
1986 — Kowalewski, Kacper vs Hamm, K. — 1/2-1/2 — Nordhausen ch35-DDR wmn
12…b5 — 8.5% (19 parties)
1942 — Stahlberg, Gideon vs Iliesco, Juan — 1-0 — Mar del Plata ARG
1943 — Burgalat, Eliot vs Iliesco — 0-1 — Buenos Aires ARG
1963 — Yurkov, Vladimir vs Zaitsev, Igor A — 1/2-1/2 — Moscow RUS
1977 — Petrushin, Aleksey Pav vs Peresipkin, Vladimir — 1-0 — Baku AZE
1979 — Rantanen, Yrjo A. vs Jensen, Stein — 1-0 — Sigurd Svedenborgs m