B68c - 10.Nf3 - Richter-Rauzer (1939)

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B68c — Richter-Rauzer (1939)
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 Be7 10.Nf3
Les coups candidats
Ambassadeurs : Schneider, Lars-Ake (26x), Matsukevich, Vladimir Vladimirov (25x), Timman, Jan H (18x), Aigmueller, Max Ing (15x), Lukin, Andrei M (15x), Maki, Veijo (15x), ? (14x), Savitskiy, Sergey (12x)
10…h6 — 5.6% (155 parties)
Ambassadeurs : Dragun, Kamil (4x), Churkina, Natalya Evgenyevna (3x), Siwiec, Arkadiusz (2x), Rogos st., Ján (2x), Solovyev, Pavel Igorevich (2x), Pilnik, Herman (1x), Wexler, Bernardo (1x), Ravinsky, Grigory (1x)
10…Qc7 — 3.4% (93 parties)
Ambassadeurs : Sonnabend, Gerhard (2x), Brinck-Claussen, Bjorn (1x), Van Dooren, Rene (1x), Moyano, Marco (1x), Latorre, H. (1x), Ujtelky, Maximilián Samuel Rudolf (1x), Sajtar, Jaroslav (1x), Tal, Mikhail (1x)
10…Rc8 — 0.6% (17 parties)
Ambassadeurs : Pakhomova, Anna (1x), Kislova, Alexsandra V (1x), Spassky, Boris V. (1x), Taimanov, Mark (1x), Bikash Kumar Tanti (1x), Lind, Alexander (1x), Holmsten, Aleksei (1x), Heino, Juha (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…b5 10…h6 10…Qc7 10…Rc8
<1800 74 84% 5% 5% 1%
1800-2200 621 83% 9% 6% 1%
2200-2600 1592 93% 5% 2% 0%
2600+ 57 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10…b5 10…h6 10…Qc7 10…Rc8
1950s 77 82% 8% 8% 1%
1960s 112 90% 1% 7% 1%
1970s 222 95% 2% 2% —
1980s 224 95% 3% 2% 0%
1990s 278 85% 6% 6% 2%
2000s 354 79% 12% 6% 1%
2010s 618 87% 8% 3% 0%
2020s 882 95% 3% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…b5 87% 95% ▲ +7.6%
10…h6 8% 3% ▼ -5.3%
10…Qc7 3% 1% ▼ -1.8%
10…Rc8 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Anand, Viswanathan — 3 parties
Ju, Wenjun — 3 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
10…b5 — 89.7% (2483 parties)
1952 — Arvidsson, Egon vs Goode, Royal — 1-0 — ?
1952 — Boutteville, Cesar vs Borsony, Valt — 0-1 — ?
1953 — Olafsson, Fridrik vs Alexander Tadala — 0-1 — Hastings ENG
1953 — Matanovic, Aleksandar vs Alexander Tadala — 1-0 — Hastings ENG
1953 — Beni, Alfred vs Taimanov, Mark — 0-1 — Wenen AUT-URS
10…h6 — 5.6% (155 parties)
1950 — Ravinsky, Grigory vs Koblencs, Alexander — 1/2-1/2 — Leningard
1955 — Pilnik, Herman vs Wexler, Bernardo — 1-0 — Mar del Plata ARG
1955 — Palermo, Vicente vs Redolfi, Javier — 1-0 — Argentina
1957 — Ramirez, Gilbert vs Collins, John W — 1-0 — Cleveland, OH USA
1957 — Spassky, Boris Vasily vs Zhukhovitsky, Samuel — 1-0 — Leningrad RUS
10…Qc7 — 3.4% (93 parties)
1950 — Kamyshov, Mikhail vs Chestnov, Vitaliy A. — 0-1 — URS-ch sf Tartu
1954 — Ujtelky, Maximilián Samuel Rudolf vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1956 — Bakalov, Eugeny vs Duval, Leo M — 1-0 — tt
1957 — Tal, Mikhail vs Scafarelli, Francesco — 1-0 — Italien
1957 — Pehnec, B vs Kaufman, Alan — 1-0 — Cleveland, OH USA
10…Rc8 — 0.6% (17 parties)
1956 — Spassky, Boris V. vs Taimanov, Mark — 1-0 — Leningrad ch-URS
1960 — Pakhomova, Anna vs Kislova, Alexsandra V — 0-1 — ?
1985 — Bikash Kumar Tanti vs Lind, Alexander — 1-0 — corr AUS
1991 — Acosta, Alejandro vs Perdomo, Carlos Andres — 1-0 — Latin Cup Bogota COL
1997 — Holmsten, Aleksei vs Heino, Juha — 1-0 — Naan