B53k - 5.Nc3 - Sicilian, Chekhover (1955)

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B53k — Sicilian, Chekhover (1955)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nf6 5.Nc3
Les coups candidats
5…Nc6 — 58.4% (1275 parties)
Ambassadeurs : Hauser, Siegfried (23x), Movsesian, Sergei (19x), Balogh, Csaba (13x), Rodríguez Pérez, René (11x), Rodriguez Perez, Rene (11x), Zelcic, Robert (9x), Hovhannisyan, Razmik (9x), Naiditsch, Arkadij (8x)
5…a6 — 25.4% (555 parties)
Ambassadeurs : Movsesian, Sergei (8x), Cichy, Kamil (6x), Tate, Alan (6x), Kacharava, Nikolozi (6x), Filipovic, Branko (4x), Olszewski, Marek (4x), Paichadze, Luka (4x), Ribeiro, Fernando (3x)
5…Bd7 — 8.0% (175 parties)
Ambassadeurs : Riepe, Bernhard (3x), Vasiukov, Evgeni (3x), Zakhartsov, Vladimir (3x), Baltag, Iulian (2x), Peter, Ambrus (2x), Cawdery, Daniel (2x), Van Kampen, Robin (2x), Ratkovic, Milovan (2x)
5…e5 — 5.5% (120 parties)
Ambassadeurs : Moreno Tejera, Emilio (3x), Provkin, Vladimir (3x), Bischoff, Klaus (2x), Rogers, Ian (2x), Biarge Carnicer, Arturo (2x), Cortes Bueno, Jesus Javier (2x), Bellosta Lopez, Pablo (2x), Ognerubova, Anastasia (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nc6 5…a6 5…Bd7 5…e5
<1800 123 71% 15% 3% 4%
1800-2200 746 57% 25% 8% 7%
2200-2600 1055 57% 28% 9% 5%
2600+ 100 73% 22% 2% 2%
Évolution par décennie (% des parties)
Décennie N parties 5…Nc6 5…a6 5…Bd7 5…e5
1950s 4 25% 50% 25% —
1960s 8 75% 12% — —
1970s 13 46% 38% 15% —
1980s 54 37% 50% 6% 6%
1990s 222 52% 30% 11% 2%
2000s 488 45% 33% 10% 8%
2010s 730 56% 27% 9% 6%
2020s 665 75% 14% 4% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nc6 56% 75% ▲ +19.1%
5…a6 27% 14% ▼ -12.7%
5…Bd7 9% 4% ▼ -5.3%
5…e5 6% 5% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie
Parties historiques
5…Nc6 — 58.4% (1275 parties)
1956 — Olafsson, Fridrik vs Larsen, Bent Ravn — 1/2-1/2 — Oslo NOR
1961 — Hradetzky, Horst vs Enriquez R., Erick J. Lizardi — 1/2-1/2 — corr Spain-BRD
1964 — Leuza Garcia, Jose vs Pomar Salamanca, Arturo — 1/2-1/2 — Las Palmas ESP
1967 — Lutikov, Anatoly S vs Ciric, Dragoljub M — 1/2-1/2 — Beverwijk NED
1967 — Ciric, Dimitrije vs Ghitescu, Theodor — 1/2-1/2 — Amsterdam NED
5…a6 — 25.4% (555 parties)
1955 — Talevski, Mihajlo vs Janosevic, Dragoljub — 1-0 — Novi Sad SRB
1956 — Maderna, Carlos vs Shocron, Ruben — 1/2-1/2 — Mar del Plata ARG
1968 — Umansky, Mikhail vs Ribli, Zoltan — 0-1 — URS
1971 — Hecht, Hans-Joachim vs ? — 1/2-1/2 — Amsterdam NED
1973 — Schweber, Samuel vs Palermo, Vicente — 1/2-1/2 — Buenos Aires ARG
5…Bd7 — 8.0% (175 parties)
1957 — Chistiakov, Alexander vs Vasiukov, Evgeni — 1/2-1/2 — Kiev UKR
1970 — Ljubojevic, Ljubomir vs Barle, Janez — 1/2-1/2 — Porec CRO
1977 — Krnic, Zdenko vs ? — 0-1 — Yugoslavia tt
1981 — Nikolenko, Oleg vs Pimenov, Aleksandr — 1-0 — Moscow RUS
1984 — Lein, Andreas vs Hansen, Curt — 1/2-1/2 — Copenhagen DEN
5…e5 — 5.5% (120 parties)
1983 — Nevednichy, Boris M vs Mikhalchishin, Adrian — 1/2-1/2 — Tournament
1983 — Kremer, Mark vs Breedveld, Andre — 1/2-1/2 — Dieren NED
1989 — Roeder, Hans-Martin vs Siepelt, Heiner — 1-0 — GER
1997 — Holzhaeuer, Mathias vs Bischoff, Klaus — 1/2-1/2 — Gladenbach ch-GER
1998 — Szymanowska, Karolina vs Motor, Marta — 1/2-1/2 — Trzebinia