D11d —
1.d4 d5 2.c4 c6 3.Nf3 Bf5 4.Nc3 e6 5.Qb3
Eval: [+0.54]
Les coups candidats
5…Qb6 — 78.8% (905 parties)
Ambassadeurs : Rausis, Igors (13x), Gleizerov, Evgeny (9x), Klaric, Zlatko (7x), Organdziev, Oliver (7x), Donev, Ivo (6x), Ferron Garcia, Carlos (6x), Posch, Werner (5x), Ulybin, Mikhail (5x)
5…Qc7 — 9.7% (111 parties)
Ambassadeurs : Boeven, Manfred (8x), Rausis, Igors (6x), Matzner, Stephen (1x), Bermudez Adams, William (1x), Nemet, Ivan (1x), Godena, Michele (1x), Voigt, Anna (1x), Luess, Gesa (1x)
5…Qc8 — 6.6% (76 parties)
Ambassadeurs : Gurevich, Michael (2x), Jensen, Kristian Rohde (2x), Szabo, Laszlo (1x), Barcza, Gedeon (1x), Ilivitsky, Georgy A (1x), Mikenas, Vladas (1x), Stanciu, Gabriela (1x), Belc, Daniela (1x)
5…b6 — 3.5% (40 parties)
Ambassadeurs : Ribli, Zoltan (1x), Kurajica, Bojan (1x), Sosulin, Eduard (1x), Pechenov, Vechiaslav (1x), Herbst, Chris (1x), Clark Alex (1x), Kuzaj, Helmut (1x), Schlindwein, Rolf (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Qb6 5…Qc7 5…Qc8 5…b6
<1800 29 52% 17% 7% 17%
1800-2200 384 78% 10% 7% 4%
2200-2600 544 85% 7% 5% 2%
2600+ 14 86% 7% 7%
Évolution par décennie (% des parties)
Décennie N parties 5…Qb6 5…Qc7 5…Qc8 5…b6
1890s 1 100%
1900s 3 100%
1910s 1 100%
1920s 1 100%
1930s 7 86% 14%
1940s 1 100%
1950s 7 86% 14%
1960s 1 100%
1970s 4 75% 25%
1980s 33 91% 3% 3%
1990s 324 85% 8% 4% 2%
2000s 405 76% 9% 9% 5%
2010s 318 76% 13% 7% 4%
2020s 43 70% 19% 5% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Qb6 76% 70% ▼ -6.0%
5…Qc7 13% 19% ▲ +6.0%
5…Qc8 7% 5% ▼ -2.6%
5…b6 4% 5% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties
Parties historiques
5…Qb6 — 78.8% (905 parties)
1892 — Lee, Francis J vs Mortimer, James — 1-0 — London ENG
1900 — Janowski, Dawid vs Halprin, Alexander — 0-1 — Munich GER
1902 — Von Bardeleben, Curt vs Levin Astorga, Nicolas Daniel — 1/2-1/2 — Hannover GER
1907 — Billecard, Moritz vs Van Vliet, Lodewijk — 1/2-1/2 — Ostende II
1911 — Olland, Adolf George vs Esser, Jan — 1-0 — Amsterdam NED
5…Qc7 — 9.7% (111 parties)
1971 — Matzner, Stephen vs Bermudez Adams, William — 0-1 — San Jose, CA USA
1987 — Nemet, Ivan vs Godena, Michele — 0-1 — Mogliano Veneto
1990 — Wells, Peter K vs Dubois, Martine — 1-0 — Toulouse op Toulouse FRA
1991 — Martynov, Pavel vs Verdihanov, Vladislav — 1/2-1/2 — Rusland tt
1992 — Kvamme, John A vs Van Leeuwen, Etienne — 1/2-1/2 — ICCF
5…Qc8 — 6.6% (76 parties)
1937 — Szabo, Laszlo vs Barcza, Gedeon — 1/2-1/2 — Budapest Sipotz mem
1952 — Ilivitsky, Georgy A vs Mikenas, Vladas — 1/2-1/2 — Riga LAT
1990 — Klaric, Zlatko vs Dubois, Martine — 1-0 — Chartres open
1992 — Stanciu, Gabriela vs Belc, Daniela — 1-0 — Bucharest ROU
1992 — Barton, June vs Skidmore, Jennifer M — 1/2-1/2 — E Lansing ch-MI amateur
5…b6 — 3.5% (40 parties)
1982 — Ribli, Zoltan vs Kurajica, Bojan — 1-0 — Novi Sad SRB
1991 — Marzano, Carlo vs Marsiglia, Gennaro — 1-0 — Asiag
1995 — Kuzaj, Helmut vs Schlindwein, Rolf — 0-1 — Untergrombach op
1997 — Mohebbi, Jafar vs Sarthou, Gaetan — 0-1 — Narbonne FRA
1998 — Sosulin, Eduard vs Pechenov, Vechiaslav — 1-0 — Tula RUS