B53l - 3…cxd4 4.Qxd4 Nc6 - Chekhover

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B53l — Chekhover
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6
Eval: [+0.10]
Les coups candidats
5.Bb5 — 92.3% (13240 parties)
Ambassadeurs : Rodríguez Pérez, René (69x), Rodriguez, Raul (51x), Hlavac, Rudolf (46x), Paichadze, Luka (36x), Rozentalis, Eduardas (35x), Rodriguez Perez, Rene (34x), Lauer, Frederic (27x), Yandemirov, Valeri (26x)
5.Qe3 — 5.5% (787 parties)
Ambassadeurs : Mazi, Leon (18x), Demchenko, Aleksandr (14x), Gavrilescu, David (12x), Beltrán Seguer, José Javier (11x), Tsang, Hon Ki (7x), Ivanov, Mike (7x), Kejzar, Petra (6x), Nitin, S. (6x)
5.Qd3 — 1.0% (139 parties)
Ambassadeurs : Hjorth, Jesper (5x), Esipenko, Andrey (5x), Rostovtsev, Dmitry (4x), Freire, Daniel J (3x), Kazmierski, Tomasz (3x), Grebnev, Aleksey (3x), Olde, Grete (3x), Shogdzhiev, Roman (3x)
5.Qd1 — 0.5% (71 parties)
Ambassadeurs : Tostdeyine, J. (1x), Collins, Richard Arnold (1x), Kienhorst Gerard (1x), Hnatyshyn Taras (1x), Padayachy Neddy, S. (1x), Mabrouki N (1x), Mueller, Uwe (1x), Niekisch, Dirk (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bb5 5.Qe3 5.Qd3 5.Qd1
<1800 516 89% 6% 1% 2%
1800-2200 5615 94% 4% 1% 0%
2200-2600 5450 90% 8% 1% —
2600+ 179 81% 18% 1% —
Évolution par décennie (% des parties)
Décennie N parties 5.Bb5 5.Qe3 5.Qd3 5.Qd1
1930s 5 80% — — —
1940s 18 94% — — —
1950s 78 100% — — —
1960s 102 99% — — 1%
1970s 264 99% 0% — —
1980s 545 99% — 0% 0%
1990s 2307 98% 0% 0% 1%
2000s 3791 98% 0% 0% 1%
2010s 5283 94% 5% 1% 0%
2020s 1947 67% 27% 4% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bb5 94% 67% ▼ -26.2%
5.Qe3 5% 27% ▲ +22.7%
5.Qd3 1% 4% ▲ +3.6%
5.Qd1 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 10 parties
Karpov, Anatoly — 6 parties
Ju, Wenjun — 6 parties
Tal, Mikhail — 4 parties
Karpov, Aleksandr — 1 partie
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
5.Bb5 — 92.3% (13240 parties)
1936 — Uulberg V vs Kremer, Laurent — 0-1 — Munich GER
1938 — Chekhover, Vitaly vs Lisitsin, Georgy — 1/2-1/2 — URS-ch sf Leningrad RUS
1939 — Szabo, Laszlo vs Landau, Salo — 1/2-1/2 — Amsterdam/Rotterdam
1939 — Szily, Jozsef vs Bogoljubow, Efim — 0-1 — Stuttgart GER
1940 — Szabo, Laszlo vs Steiner, Endre — 1-0 — HUN
5.Qe3 — 5.5% (787 parties)
1973 — Camilleri, Henry vs Ljubisavljevic, Zivojin Z — 0-1 — Catanzaro
1992 — Solina, Janko vs Krekel, Karl — 0-1 — Hessen chS
1998 — Karlsson, Bjorn-Ivar vs Donald Julian — 1-0 — ?
1998 — Andersen Aasmund vs Hansen, Knut Are — 1-0 — Tromsoe
2000 — Valle Rodriguez, Aitor vs Menendez Miranda, Manuel — 1-0 — ?
5.Qd3 — 1.0% (139 parties)
1981 — Mack, Thomas, Dr. vs Knudsen, John C — 0-1 — Ft Knox Kentucky
1990 — Kretek, Bretislav vs Zhelnin, Vladimir V — 1/2-1/2 — Sumperk op
1994 — Havansi, Erkki E.T. vs Rantanen, Yrjo A. — 1/2-1/2 — JSM 9394
1999 — Straub, Carsten vs Nebel, Uwe — 1-0 — Ruhrgebiet
2002 — Laliga, Jose Olivier vs Carrillo Muniz Jose — 1-0 — ?
5.Qd1 — 0.5% (71 parties)
1960 — Tostdeyine, J. vs Collins, Richard Arnold — 1-0 — Hayes
1985 — Kienhorst Gerard vs Hnatyshyn Taras — 0-1 — ?
1991 — Padayachy Neddy, S. vs Mabrouki N — 1-0 — Mamaia
1992 — Mueller, Uwe vs Niekisch, Dirk — 1/2-1/2 — RH-op Wallertheim
1994 — Jaques Burguete, Raul vs Carrasco Holgado, David — 1-0 — Eibar