B64b - 9…e5 - Richter-Rauzer Geller Variation [+0.40]

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B64b — Richter-Rauzer Geller Variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 e5
Eval: [+0.40]
Les coups candidats
10.Nf5 — 44.7% (55 parties)
Ambassadeurs : Diez del Corral, Jesus (6x), Kestler, Hans-Guenther (4x), Matanovic, Aleksandar (3x), Unzicker, Wolfgang (3x), Milic, Borislav (2x), Glauser, Hansruediger (2x), Kholmov, Ratmir D (2x), Inkiov, Ventzislav (2x)
10.Nf3 — 33.3% (41 parties)
Ambassadeurs : Kestler, Hans-Guenther (3x), Karaklajic, Nikola (2x), Geller, Efim P. (2x), Filipowicz, Andrzej (2x), Markgraf, Jonas (2x), Kretschmer, Marcel (1x), Ruehlemann, Siegfried (1x), Pesch, Werner (1x)
10.Nxc6 — 10.6% (13 parties)
Ambassadeurs : Filipowicz, Andrzej (3x), Geller, Efim P. (3x), Rodriguez Vargas, Orestes (2x), Kostro, Jerzy (1x), Bednarski, Jacek (1x), Bagirov, Vladimir (1x), Kikiani, Tamaz (1x), Alves, Francisco H B Severino (1x)
10.Ndb5 — 9.8% (12 parties)
Ambassadeurs : Santasiere, Anthony (2x), Dueckstein, Andreas (1x), Kestler, Hans-Guenther (1x), Collins, John W (1x), Dely, Peter (1x), Szollosi, Laszlo (1x), Thurston, Ben (1x), Pietzsch, Wolfgang (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Nf5 10.Nf3 10.Nxc6 10.Ndb5
<1800 2 50% — — 50%
1800-2200 12 33% 42% — 17%
2200-2600 35 63% 20% 11% 3%
Évolution par décennie (% des parties)
Décennie N parties 10.Nf5 10.Nf3 10.Nxc6 10.Ndb5
1950s 31 16% 58% 16% 10%
1960s 24 50% 25% 17% 8%
1970s 7 43% 29% 29% —
1980s 13 92% — — 8%
1990s 21 43% 38% 5% 5%
2000s 15 67% 20% — 13%
2010s 10 30% 40% 10% 20%
2020s 2 50% — — 50%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Nf5 30% 50% ▲ +20.0%
10.Nf3 40% 0% ▼ -40.0%
10.Nxc6 10% 0% ▼ -10.0%
10.Ndb5 20% 50% ▲ +30.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Parties historiques
10.Nf5 — 44.7% (55 parties)
1954 — Matanovic, Aleksandar vs Milic, Borislav — 1/2-1/2 — Belgrade SRB
1954 — Milic, Borislav vs Joppen, Egon — 1-0 — Ruesselsheim
1954 — Matanovic, Aleksandar vs Joppen, Ernst — 1-0 — Belgrade SRB
1957 — Tiemann, Christoph vs Rubesov — 1/2-1/2 — EU corr
1958 — Blanco Sosa, Alexis Dario vs Lopez Ramirez, Jorge Hernan — 0-1 — cr.
10.Nf3 — 33.3% (41 parties)
1953 — Boleslavsky, Isaac vs Geller, Efim P. — 1-0 — Gagra
1954 — Stoliar, Efim Samoilovich vs Ilivitsky, Georgy A — 1/2-1/2 — Rostov on Don
1954 — Korchnoi, Viktor vs Geller, Efim P. — 1-0 — Kiev ch-URS
1954 — Karaklajic, Nikola vs Joppen, E. — 0-1 — Belgrade SRB
1954 — Novopashin, Arkady vs Mikenas, Vladas — 0-1 — Gorki ch22-SU sf
10.Nxc6 — 10.6% (13 parties)
1953 — Kotov Lundqvist, Alex vs Geller, Efim P. — 1/2-1/2 — Zurich SUI
1953 — Ragozin, Viacheslav vs Geller, Efim P. — 1/2-1/2 — Garga
1954 — Fichtl, Jiri vs Geller, Efim P. — 1/2-1/2 — Amsterdam NED
1957 — Bagirov, Vladimir vs Kikiani, Tamaz — 1/2-1/2 — Tbilisi GEO
1959 — Filipowicz, Andrzej vs Gawlikowski, Stanislaw — 1/2-1/2 — Lodz POL
10.Ndb5 — 9.8% (12 parties)
1955 — Santasiere, Anthony vs Collins, John W — 1/2-1/2 — New York, NY USA
1955 — Dely, Peter vs Szollosi, Laszlo — 1-0 — Budapest HUN
1956 — Santasiere, Anthony vs Thurston, Ben — 1-0 — Oklahoma City, OK USA
1966 — Dueckstein, Andreas vs Kestler, Hans-Guenther — 1/2-1/2 — Brunnen
1968 — Pietzsch, Wolfgang vs Kepper, G — 1/2-1/2 — CCOL5 fin 6568