B61f - 8.O-O-O - Richter-Rauzer, Larsen (1968)

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B61f — Richter-Rauzer, Larsen (1968)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 7.Qd2 Rc8 8.O-O-O
Les coups candidats
8…Nxd4 — 95.1% (1568 parties)
Ambassadeurs : Wittmann, Walter (12x), Pichushkin, Vladimir Alekseevic (10x), Gheorghiu, Florin (9x), Robatsch, Karl (9x), Mestrovic, Zvonimir (8x), Matnadze Bujiashvili, Ann (8x), Cardoso, Sergio Carlos de Almeida (7x), Radulov, Ivan (6x)
8…h6 — 2.1% (35 parties)
Ambassadeurs : Robatsch, Karl (11x), Suetin, Alexey S (2x), Radulov, Ivan (2x), Wafzig, Peter (2x), Kharitonov, Aleksandr (2x), Dueckstein, Andreas (1x), Planinec, Albin (1x), Pokojowczyk, Jerzy (1x)
8…a6 — 1.3% (22 parties)
Ambassadeurs : Kalinitschew, Sergey (2x), Lisek, Juergen (2x), Escofet, Jaime (1x), Casteran, Enrique (1x), Souleidis, Georgios (1x), Nisipeanu, Liviu-Dieter (1x), Rovensky, Mikhail (1x), Belogorodtsev, A. (1x)
8…Qa5 — 1.1% (18 parties)
Ambassadeurs : Lutz, Anke (2x), Van der Berg, Ad (1x), De Ruiter, Tom (1x), Cursoux, Gerard (1x), Lagunes, Jean-Renaud (1x), Bode, Wilfried (1x), Majer, Damir (1x), Cobbers, Martin (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Nxd4 8…h6 8…a6 8…Qa5
<1800 34 94% — 3% 3%
1800-2200 485 96% 1% 1% 2%
2200-2600 943 95% 3% 1% 1%
2600+ 24 96% 4% — —
Évolution par décennie (% des parties)
Décennie N parties 8…Nxd4 8…h6 8…a6 8…Qa5
1960s 30 97% — — 3%
1970s 106 82% 15% — 1%
1980s 109 99% — 1% —
1990s 271 94% 2% 2% 2%
2000s 456 95% 2% 1% 1%
2010s 422 96% 1% 1% 1%
2020s 255 98% — 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Nxd4 96% 98% ▲ +2.1%
8…h6 1% 0% ▼ -1.4%
8…a6 1% 1% -0.2%
8…Qa5 1% 0% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Tal, Mikhail — 3 parties
Anand, Viswanathan — 2 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…Nxd4 — 95.1% (1568 parties)
1963 — Bykov, Valery vs Klaman, Konstantin Mikhailovich — 1-0 — Leningrad RUS
1965 — Dely, Peter vs Pietrusiak, Bogdan — 1/2-1/2 — Polanica Zdroj POL
1966 — Mazzoni, Guy vs Larsen, Bent Ravn — 0-1 — Le Havre
1967 — Suetin, Alexey S vs Gheorghiu, Florin — 1/2-1/2 — Hastings ENG
1967 — Kaplan, Julio vs Gheorghiu, Florin — 0-1 — Hastings ENG
8…h6 — 2.1% (35 parties)
1972 — Radulov, Ivan vs Robatsch, Karl — 1-0 — Helsinki FIN
1972 — Radulov, Ivan vs Robatsch, Karl — 1-0 — Helsinki FIN
1972 — Matulovic, Milan vs Robatsch, Karl — 1-0 — Helsinki FIN
1974 — Suetin, Alexey S vs Robatsch, Karl — 1/2-1/2 — Sochi RUS
1974 — Pritchett, Craig W vs Robatsch, Karl — 1-0 — Nice olm
8…a6 — 1.3% (22 parties)
1985 — Escofet, Jaime vs Casteran, Enrique — 1-0 — La Hora op I
1990 — Luecke, Norbert vs Kalinitschew, Sergey — 1-0 — Muenster GER
1991 — Souleidis, Georgios vs Kalinitschew, Sergey — 0-1 — Porz GER
1992 — Cabarkapa, Milenko vs Salazar Tuceran, Antibui — 1-0 — Can Picafort
1993 — Schwarz, Jonas vs Lisek, Juergen — 1/2-1/2 — OLNO 9293
8…Qa5 — 1.1% (18 parties)
1969 — Van der Berg, Ad vs De Ruiter, Tom — 0-1 — Ned ch SF
1977 — Cursoux, Gerard vs Lagunes, Jean-Renaud — 0-1 — Le Touquet
1992 — Bode, Wilfried vs Majer, Damir — 1-0 — Kassel Open
1994 — Lutz, Anke vs Cobbers, Martin — 1-0 — Cologne GER
1994 — Lutz, Anke vs Grosar, Kiti — 1-0 — Bled SLO