B62h - 7.Bb5 Bd7 - Richter-Rauzer Margate

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B62h — Richter-Rauzer Margate
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Bb5 Bd7
Eval: [+0.28]
Les coups candidats
Ambassadeurs : Westerinen, Heikki M.J. (14x), Milov, Leonid (12x), Bryla, Hanna (8x), Tiviakov, Sergei (6x), Podoba, Milan (6x), Biro, Gergely (6x), Escofet, Jaime (6x), Betko, Lubomir (5x)
8.O-O — 25.1% (324 parties)
Ambassadeurs : Lengyel, Bela (29x), Alekhine, Alexander (5x), Foltys, Jan (3x), Hakuc, Waclaw (3x), Gadimbayli, Abdulla (3x), Romanovsky, Pjotr (2x), Botvinnik, Mikhail (2x), Sirobaba, Fedor (2x)
8.Qd3 — 17.7% (228 parties)
Ambassadeurs : Stankovic, Milo (4x), Todorovic, Goran M (3x), O'Carroll, Om (3x), Tanenbaum, Zachary (3x), Razafindratsima, Timothe (3x), Mosadeghpour, Masoud (3x), Perunovic, Milos (3x), Mompel Ferruz, Xavier (3x)
8.Nb3 — 3.5% (45 parties)
Ambassadeurs : Baer, Werner (2x), Hatsek, Werner (2x), Albanesi, Paul L (1x), Chalker, Robert P. (1x), Artuhin I (1x), Mikouev, Erendzen (1x), Panero Cabero, Gregorio (1x), Estremera Panos, Sergio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bxc6 8.O-O 8.Qd3 8.Nb3
<1800 51 22% 57% 4% 4%
1800-2200 304 43% 25% 13% 8%
2200-2600 622 55% 13% 27% 1%
2600+ 16 25% — 75% —
Évolution par décennie (% des parties)
Décennie N parties 8.Bxc6 8.O-O 8.Qd3 8.Nb3
1920s 2 — 100% — —
1930s 5 — 100% — —
1940s 9 — 67% — —
1950s 25 8% 20% — —
1960s 13 23% 46% — —
1970s 8 12% 75% — —
1980s 49 67% 22% — —
1990s 318 71% 19% — 1%
2000s 310 45% 37% 1% 2%
2010s 262 41% 34% 6% 11%
2020s 290 13% 6% 72% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bxc6 41% 13% ▼ -28.1%
8.O-O 34% 6% ▼ -28.1%
8.Qd3 6% 72% ▲ +66.7%
8.Nb3 11% 3% ▼ -8.3%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 5 parties
Botvinnik, Mikhail — 2 parties
Lasker, Emanuel — 1 partie
Euwe, Max — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
8.Bxc6 — 42.7% (551 parties)
1959 — Eretova, Kveta vs Nedeljkovic, Verica — 1-0 — Plovdiv BUL
1959 — Eretova, Kveta vs Rubtsova, Olga — 1-0 — Plovdiv BUL
1963 — Eretova, Kveta vs Smejkal, Jan — 0-1 — Telnice/Usti
1965 — Bojarinov, Victor A vs ? — 1-0 — ?
1966 — Vaisman, Volodia vs Mititelu, Gheorghe — 1/2-1/2 — Bucharest ROU
8.O-O — 25.1% (324 parties)
1925 — Alekhine, Alexander vs ? — 0-1 — Paris Paris FRA
1926 — Schneider, Baptiste vs Lasker, Emanuel — 1-0 — USA
1933 — Alekhine, Alexander vs Piet Buriks — 0-1 — The Hague NED
1933 — Alekhine, Alexander vs Carl Johann Friedrich Boettcher — 0-1 — Rotterdam NED
1937 — Alekhine, Alexander vs Foltys, Jan — 1-0 — Margate ENG
8.Qd3 — 17.7% (228 parties)
2001 — Leglise, Alain vs Kotov, Yuriy — 1-0 — IECG
2008 — Breuer, Robert vs Faust, Dieter — 1/2-1/2 — ?
2008 — Ivasenko, Andrey vs Zaynutdinov, Iskander — 1-0 — Ilichevsk
2011 — Van Esbroeck, Jeff vs Maur Rainer — 0-1 — LSS
2017 — Lukasiewicz, Przemyslaw vs Korkus, Marcin — 0-1 — ICCF
8.Nb3 — 3.5% (45 parties)
1992 — Panero Cabero, Gregorio vs Estremera Panos, Sergio — 0-1 — Caldas de Reis
1995 — Artuhin I vs Mikouev, Erendzen — 0-1 — Armavir
1998 — Albanesi, Paul L vs Chalker, Robert P. — 1/2-1/2 — ?
2000 — Baer, Werner vs Ponciano Manuel — 1-0 — IECG
2000 — Muniz David B vs Cleto JrKover, DirceuWarner B — 0-1 — CADAP