B62b - 7.Be2 - Richter-Rauzer (1947)

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B62b — Richter-Rauzer (1947)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Be2
Les coups candidats
Ambassadeurs : Vukovic, Zdravko (5x), Gurgenidze, Bukhuti (4x), Timmerman, Gert (4x), Szily, Jozsef (3x), Sergeant, Edward (3x), Dzindzichashvili, Roman (3x), Barden, Leonard (3x), Rivise, Irving (3x)
7…a6 — 23.2% (171 parties)
Ambassadeurs : Paoli, Enrico (3x), Nievergelt, Erwin (2x), Pandavos, Emanouel (2x), Mokry, Karel (2x), Poliakoff, Dmitri (1x), Schmitt, James (1x), Napolitano, Mario (1x), Lehmann, Christina (1x)
7…h6 — 2.9% (21 parties)
Ambassadeurs : Veinger, Itzhak (2x), Koberl, Ferenc (1x), Bely, Matthieu (1x), Paoli, Enrico (1x), Korchnoi, Viktor (1x), Chouinard, Sylvain (1x), Luk, Luen-Wah (1x), Schmidt, Harald (1x)
7…Qa5 — 1.8% (13 parties)
Ambassadeurs : Savon, Vladimir (1x), Filipenko, Alexander V (1x), Kilgus, Georg (1x), Froeschl, Felix (1x), Vatanski, Nikolai (1x), Paakkonen, Timo (1x), Seidel, Dirk (1x), Eckert, Frank (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Be7 7…a6 7…h6 7…Qa5
<1800 66 76% 18% 6% —
1800-2200 313 65% 29% 2% 2%
2200-2600 161 73% 20% 1% 3%
Évolution par décennie (% des parties)
Décennie N parties 7…Be7 7…a6 7…h6 7…Qa5
1950s 48 73% 23% 4% —
1960s 32 75% 25% — —
1970s 25 72% 20% — —
1980s 40 78% 20% — —
1990s 138 74% 17% 4% 3%
2000s 224 67% 27% 3% 1%
2010s 175 70% 23% 3% 3%
2020s 54 67% 26% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Be7 70% 67% ▼ -3.6%
7…a6 23% 26% ▲ +2.5%
7…h6 3% 4% ▲ +0.8%
7…Qa5 3% 0% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…Be7 — 70.5% (519 parties)
1950 — Beni, Alfred vs Poulsen, Christian — 1/2-1/2 — Dubrovnik olm
1950 — Keres, Paul Petrovich vs Bronstein, David I — 1/2-1/2 — Budapest HUN
1950 — Szily, Jozsef vs Szilagyi, Gyorgy Laszlo — 0-1 — Budapest HUN
1950 — Koska, Josef vs Kozma, Julius — 0-1 — Zlin ch CZE nahra
1950 — Byvshev, Vasily vs Guldin, Lev Isaevich — 1-0 — Gorky
7…a6 — 23.2% (171 parties)
1950 — Michel, Paul vs Kovacs, Abel — 1-0 — Vienna AUT
1950 — Kostic, Boris vs Ivkov, Borislav — 1-0 — Bled SLO
1951 — Byvshev, Vasily vs Rovner, Dmitry — 1-0 — Lvov UKR
1951 — Daksh Santosh Nathani vs Jursevskis, Aleks — 1/2-1/2 — Vancouver
1951 — Nikolac, Juraj vs Bertok, Mario Jr. — 1/2-1/2 — Sarajevo BIH
7…h6 — 2.9% (21 parties)
1954 — Koberl, Ferenc vs Bely, Matthieu — 0-1 — Hungary ch
1954 — Paoli, Enrico vs Korchnoi, Viktor — 0-1 — Bucharest ROU
1990 — Cody, Philip C vs Veinger, Itzhak — 1-0 — ICCF World Cup6-7 sf27
1990 — Bailes, Cody vs Veinger, Itzhak — 1-0 — cr.
1992 — Chouinard, Sylvain vs Luk, Luen-Wah — 1-0 — corr ICCF
7…Qa5 — 1.8% (13 parties)
1991 — Savon, Vladimir vs Filipenko, Alexander V — 1/2-1/2 — Chelyabinsk RUS
1995 — Seidel, Dirk vs Eckert, Frank — 1/2-1/2 — GER
1996 — Vatanski, Nikolai vs Paakkonen, Timo — 1/2-1/2 — Laukaa We LaukSK
1998 — Kilgus, Georg vs Froeschl, Felix — 1/2-1/2 — Austria
2001 — Karpov, Viktor vs Kirchanov, Andrei — 0-1 — Novosibirsk RUS