B61b - 7…a6 - Richter-Rauzer, Larsen (1949)

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B61b — Richter-Rauzer, Larsen (1949)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 7.Qd2 a6
Les coups candidats
8.O-O-O — 77.0% (729 parties)
Ambassadeurs : Kurpnieks, Vairis (16x), Ghitescu, Theodor (13x), Blasko, Istvan (9x), Sidenko, Anatoly Viktorovich (8x), Morgunov, Marc (8x), Harshavardhan G B (6x), Gheorghiu, Florin (5x), Averbakh, Yuri L (5x)
8.f4 — 9.1% (86 parties)
Ambassadeurs : Schmidt, Wlodzimierz (2x), Lutikov, Anatoly S (2x), Averbakh, Yuri L (2x), Oltean, Dorel (2x), Ghitescu, Theodor (2x), Micalizzi, Giovanni (2x), Blasko, Istvan (2x), Schoppmeyer, Herbert (1x)
8.Be2 — 5.0% (47 parties)
Ambassadeurs : Pugach, Mario (2x), Averbakh, Yuri L (2x), Zelcic, Robert (2x), Minev, Nikolay N (1x), Stein, Leonid (1x), Rubinetti, Jorge (1x), Nyman, Sture V (1x), Borisenko, Georgy K (1x)
8.f3 — 3.3% (31 parties)
Ambassadeurs : Wade, Robert G (1x), Gheorghiu, Florin (1x), Brzozka, Stefan (1x), Sloth, Jorn (1x), Bocina, Darko (1x), Videki, Sandor (1x), Dourerassou, Jonathan (1x), Vandevoort, Pascal (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O-O 8.f4 8.Be2 8.f3
<1800 28 79% 7% 7% —
1800-2200 290 76% 7% 6% 5%
2200-2600 484 80% 9% 2% 3%
2600+ 13 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8.O-O-O 8.f4 8.Be2 8.f3
1950s 6 50% 33% — —
1960s 68 56% 15% 19% 1%
1970s 67 85% 12% — —
1980s 17 59% 24% 6% —
1990s 67 64% 15% 12% 3%
2000s 177 76% 9% 6% 5%
2010s 215 79% 8% 4% 1%
2020s 330 83% 5% 2% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O-O 79% 83% ▲ +3.7%
8.f4 8% 5% ▼ -2.9%
8.Be2 4% 2% ▼ -2.7%
8.f3 1% 5% ▲ +3.5%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Hou, Yifan — 1 partie
Parties historiques
8.O-O-O — 77.0% (729 parties)
1957 — Vasiukov, Evgeni vs Averbakh, Yuri L — 0-1 — Moscow RUS
1958 — Gufeld, Eduard vs Simagin, Vladimir — 1/2-1/2 — Tashkent ch URS sf
1959 — Bondarevsky, Igor vs Averbakh, Yuri L — 0-1 — Moscow RUS
1960 — Farre, Miguel vs Karim, Wahid — 1/2-1/2 — Leipzig GER
1960 — Popov, Vladimir vs Malich, Burkhard, Dr. — 0-1 — Bad Salzungen GER
8.f4 — 9.1% (86 parties)
1958 — Kupper, Josef vs Panno, Oscar — 0-1 — Munich GER
1959 — Schoppmeyer, Herbert vs Hoffmann Bruno — 1-0 — Lippstadt GER
1960 — Jaeschke, Rita vs Nowarra, Waltraud — 0-1 — Leipzig GER
1960 — Lutikov, Anatoly S vs Averbakh, Yuri L — 1-0 — Leningrad ch-URS
1961 — Schmidt, Wlodzimierz vs Rubinetti, Jorge — 1/2-1/2 — The Hague NED
8.Be2 — 5.0% (47 parties)
1960 — Kondratiev, Aleksandr vs Pics — 1-0 — ?
1960 — Efimov, Kondrat vs Pietzsch, Wolfgang — 1-0 — Leningrad RUS
1960 — Sakharov, Yuri N vs Averbakh, Yuri L — 0-1 — Leningrad ch-URS
1960 — Kraidman, Yair vs Filipowicz, Andrzej — 0-1 — Leipzig GER
1960 — Tumurbator, Purev vs Gibbs, Peter Campbell — 1-0 — Leningrad RUS
8.f3 — 3.3% (31 parties)
1968 — Wade, Robert G vs Gheorghiu, Florin — 0-1 — Vinkovci CRO
1999 — Brzozka, Stefan vs Sloth, Jorn — 0-1 — WC16 Final ICCF
1999 — Bocina, Darko vs Videki, Sandor — 1/2-1/2 — Mem don Ivana Cvitan
2000 — Mullon, Jean-Baptiste vs Soulages, Laurent — 1-0 — Paris FRA
2001 — Bensch, Patrick vs Danzer, George — 1-0 — Freising op BEM