B65e - 10.Qxd4 Qa5 11.Bc4 - Richter-Rauzer [+0.40]

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B65e — Richter-Rauzer
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4
Eval: [+0.40]
Les coups candidats
Ambassadeurs : Kotronias, Vasilios (27x), Leko, Peter (13x), Yudasin, Leonid (13x), Kramnik, Vladimir (12x), Kharlov, Andrei (12x), Inkiov, Ventzislav (12x), Muir, Andrew J (12x), Hildebrand, Gerald (10x)
11…h6 — 11.8% (209 parties)
Ambassadeurs : Wölfl, Stefan (5x), Campioli, Giuseppe (4x), Oleksak, Andrzej (4x), Sitorus, Yosua (4x), Koch, Berthold (3x), Barcza, Gedeon (2x), Matanovic, Aleksandar (2x), Gligoric, Svetozar (2x)
11…Rd8 — 4.5% (80 parties)
Ambassadeurs : Jobava, Baadur (7x), Aranovitch, Emiliano (6x), Klotz, Sonja (4x), Osnos, Viatcheslav (3x), Melia, Salome (3x), Grigoriants, Sergey (2x), Kislik, Erik (2x), Sanikidze, Tornike (2x)
11…b5 — 2.4% (43 parties)
Ambassadeurs : Vidit, Santosh Gujrathi (4x), Kotronias, Vasilios (4x), Moreno Tejera, Emilio (2x), Guseinov, Gadir (2x), Gvetadze, Sofio (2x), Caspi, Israel (2x), Balogh Urbina, Carlos Alfonso (2x), Recuero Guerra, David (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Bd7 11…h6 11…Rd8 11…b5
<1800 21 52% 33% 10% —
1800-2200 326 74% 17% 5% 1%
2200-2600 983 83% 7% 4% 4%
2600+ 90 84% 1% 9% 4%
Évolution par décennie (% des parties)
Décennie N parties 11…Bd7 11…h6 11…Rd8 11…b5
1930s 2 50% — — —
1940s 2 — 100% — —
1950s 23 — 78% 9% —
1960s 31 48% 23% 10% —
1970s 37 59% 24% 5% —
1980s 126 86% 9% 2% —
1990s 513 92% 4% 3% 0%
2000s 661 79% 10% 4% 6%
2010s 330 63% 22% 9% 1%
2020s 49 73% 16% 6% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Bd7 63% 73% ▲ +10.4%
11…h6 22% 16% ▼ -5.5%
11…Rd8 9% 6% ▼ -3.3%
11…b5 1% 0% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 9 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 2 parties
Parties historiques
11…Bd7 — 77.8% (1381 parties)
1938 — Plater, Kazimierz vs Kapfer, Thomas — 1-0 — Krakow POL
1962 — Keres, Paul Petrovich vs Geller, Efim P. — 1/2-1/2 — Curacao AHO
1963 — Bronstein, David I vs Averbakh, Yuri L — 1/2-1/2 — Beverwijk NED
1963 — Shianovsky, Vladislav I vs Popov, Vladilen — 1-0 — ?
1964 — Tal, Mikhail vs Bradvarevic, Aleksandar — 1/2-1/2 — Kislovodsk
11…h6 — 11.8% (209 parties)
1946 — Prins, Lodewijk vs Devos, Paul — 0-1 — Maastricht NED
1948 — Canal, Esteban vs Barcza, Gedeon — 0-1 — Venice ITA
1952 — Djurasevic, Bozidar vs Gligoric, Svetozar — 1/2-1/2 — JUG-ch Belgrade YUG
1952 — Gligoric, Svetozar vs Taimanov, Mark — 1/2-1/2 — Saltsjobaden SWE
1952 — Koch, Berthold vs Mueller, Klaus — 1-0 — Cottbus
11…Rd8 — 4.5% (80 parties)
1955 — Minev, Nikolay N vs Prakhov, Valentin Asenov — 0-1 — Sofia BUL
1959 — Stein, Leonid vs Osnos, Viatcheslav — 1-0 — Ch URS (1/2 final), Tallinn E
1960 — Shamkovich, Leonid vs Sakharov, Yuri G. — 0-1 — Leningrad ch-URS
1963 — Zuidema, Coen vs Mohrlok, Dieter — 1-0 — Beverwijk NED
1969 — Suetin, Alexey S vs Pomar Salamanca, Arturo — 1/2-1/2 — Havana CUB
11…b5 — 2.4% (43 parties)
1997 — Alexakis, Dimitrios NA vs Kofidis, Andreas — 1-0 — Piraeus
2001 — Chuiko, Alexander vs Zangiev, Pavel — 0-1 — St Petersburg Chigorin-mem op
2001 — Stefansson, Halldor vs Kacheishvili, Giorgi — 1/2-1/2 — Leon ESP
2002 — Guseinov, Gadir vs Shcherbakov, Ruslan — 1/2-1/2 — Dubai UAE
2002 — Gaponenko, Inna vs Gvetadze, Sofio — 1-0 — Antalya TUR