B67i - 9.f4 h6 10.Bh4 - Richter-Rauzer

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B67i — Richter-Rauzer
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 h6 10.Bh4
Eval: [+0.59]
Les coups candidats
Ambassadeurs : Van der Wiel, John T.H. (15x), Madl, Ildiko (11x), Andreev, Eduard (11x), Banas, Jan (10x), Heinbuch, Detlef Ulrich (10x), Nijboer, Friso (10x), Brandenburg, Daan (9x), Pulkkinen, Kari (7x)
10…Nxe4 — 23.5% (422 parties)
Ambassadeurs : Matanovic, Aleksandar (6x), Benko, Pal (4x), Averbakh, Yuri L (4x), Landenbergue, Claude (4x), Banas, Jan (4x), Scibior, Adam (4x), Darga, Klaus (3x), Rabar, Braslav (3x)
10…b5 — 19.7% (354 parties)
Ambassadeurs : Ilyin, Pavel Egorovich (12x), Churkina, Natalya Evgenyevna (9x), Cookson, Timothy (9x), Sherwood, Russell (8x), Boccia, Mattia Mario Prof (5x), Koch, Christian (5x), Churkin, Mikhail Mikhailovich (5x), Mueller-Alves, Martin (4x)
10…Be7 — 13.7% (245 parties)
Ambassadeurs : Almarza Mato, Carlos (11x), Aseev, Konstantin N (4x), Konyves, Almos (4x), Barcza, Gedeon (3x), Heemsoth, Hermann (3x), Sidenko, Anatoly Viktorovich (3x), Milde, Lars (3x), Kottnauer, Cenek (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…g5 10…Nxe4 10…b5 10…Be7
<1800 15 33% 20% 20% 20%
1800-2200 385 25% 21% 31% 19%
2200-2600 1066 50% 18% 20% 10%
2600+ 25 48% 12% 28% 4%
Évolution par décennie (% des parties)
Décennie N parties 10…g5 10…Nxe4 10…b5 10…Be7
1940s 21 — 24% 5% 71%
1950s 105 — 78% 1% 11%
1960s 35 — 69% — 14%
1970s 46 20% 41% 9% 17%
1980s 91 65% 11% 10% 5%
1990s 253 68% 18% 2% 8%
2000s 427 59% 24% 7% 7%
2010s 662 27% 18% 38% 15%
2020s 154 18% 12% 32% 32%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…g5 27% 18% ▼ -9.4%
10…Nxe4 18% 12% ▼ -5.2%
10…b5 38% 32% ▼ -6.2%
10…Be7 15% 32% ▲ +17.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
10…g5 — 38.9% (698 parties)
1973 — Lerner, Konstantin Z vs Kupreichik, Viktor D — 1-0 — Odessa UKR
1975 — Zuckerman, Bernard vs Soltis, Andrew — 1/2-1/2 — Cleveland, OH USA
1975 — Grefe, John A vs Soltis, Andrew — 1-0 — Cleveland, OH USA
1975 — Van der Sterren, Paul vs Christiansen, Larry — 0-1 — Tjentiste
1976 — Westerinen, Heikki M.J. vs Bellin, Robert — 1/2-1/2 — Wijk aan Zee NED
10…Nxe4 — 23.5% (422 parties)
1940 — Hachaturov, A. vs Tolush, Alexander — 0-1 — USSR
1943 — Konstantinopolsky, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — Sverdlovsk
1945 — Ivashin, Alex vs Ilivitsky, Georgy A — 1-0 — Gorky
1947 — Szily, Jozsef vs Benko, Pal — 1/2-1/2 — HUN-ch Budapest HUN
1949 — Lipnitsky, Isaac vs Sakharov, Yuri N — 1-0 — Odessa UKR
10…b5 — 19.7% (354 parties)
1948 — Alexander, Conol Hugh vs Winter, William — 1-0 — London, Bishopsgate
1959 — Henin Chabane, Clotilde vs Savon, Vladimir — 0-1 — Moscow RUS
1975 — Ornstein, Axel vs Hort, Vlastimil — 1-0 — Stockholm SWE
1976 — Jimenez Zerquera, Eleazar vs Ferrera, Benjamin — 1/2-1/2 — Cienfuegos City CUB
1976 — Torre, Eugenio vs Hort, Vlastimil — 0-1 — Manila PHI
10…Be7 — 13.7% (245 parties)
1943 — Napolitano, Mario vs Barcza, Gedeon — 1/2-1/2 — Corr corr.
1946 — Szabo, Ladislav vs Lundin, Erik — 0-1 — Groningen NED
1947 — Egri, Laszlo vs Barcza, Gedeon — 1/2-1/2 — HUN-ch Budapest HUN
1947 — Taimanov, Mark vs Kuzminykh, Evgeny — 1/2-1/2 — Leningrad RUS
1947 — Aponte De La Corte, Jose Manuel vs Marini Speca, Gioia — 0-1 — Buenos Aires ch-ARG