B65d - 11.Kb1 - Richter-Rauzer (1950)

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B65d — Richter-Rauzer (1950)
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 Nxd4 10.Qxd4 Qa5 11.Kb1
Les coups candidats
11…Rd8 — 47.3% (291 parties)
Ambassadeurs : Hildebrand, Gerald (7x), Lanka, Zigurds (3x), Ionov, Sergey (3x), Shirov, Alexei (3x), Limp, Eduardo Thelio (3x), Kanarek, Marcel (3x), Fichtl, Jiri (2x), Steedman, Jim (2x)
11…h6 — 45.9% (282 parties)
Ambassadeurs : Balogh, Csaba (6x), Wells, Peter J (6x), Inkiov, Ventzislav (5x), Armbrust, Florian (5x), Bluvshtein, Mark (4x), Nataf, Igor-Alexandre (4x), Acs, Peter (4x), Cosma, Ioan (4x)
11…e5 — 4.1% (25 parties)
Ambassadeurs : Castaldi, Vincenzo (2x), Barden, Leonard (2x), Cichecki, Adam (1x), Stone, Raymond (1x), Korkina, Svetlana (1x), Harwar, Julie A (1x), Luther, Thomas (1x), Thorhallsson, Throstur (1x)
11…a6 — 2.3% (14 parties)
Ambassadeurs : Solomon, Stephen J (2x), Canfell, Gregory J (2x), Brustman, Agnieszka (1x), Enders, Peter (1x), Samojlov, Anton (1x), Grigoriants, Sergey (1x), Rutherford, Simon (1x), Smith, Robert W (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11…Rd8 11…h6 11…e5 11…a6
<1800 14 50% 43% — —
1800-2200 204 50% 39% 7% 3%
2200-2600 323 46% 50% 2% 2%
2600+ 14 50% 50% — —
Évolution par décennie (% des parties)
Décennie N parties 11…Rd8 11…h6 11…e5 11…a6
1950s 14 14% 64% 14% —
1960s 2 — 100% — —
1970s 3 33% 33% 33% —
1980s 18 50% 44% 6% —
1990s 125 55% 38% 2% 4%
2000s 236 41% 52% 5% 3%
2010s 167 57% 39% 3% 1%
2020s 50 38% 54% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11…Rd8 57% 38% ▼ -18.9%
11…h6 39% 54% ▲ +15.1%
11…e5 3% 6% ▲ +3.0%
11…a6 1% 2% ▲ +0.8%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 6 parties
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
11…Rd8 — 47.3% (291 parties)
1953 — Fichtl, Jiri vs Filip, Miroslav — 1-0 — Prague CZE
1955 — Daskalov, Georgi Ilchev vs Padevsky, Nikola — 0-1 — Sofia BUL
1976 — Fichtl, Jiri vs Paoli, Enrico — 1-0 — Agard HUN
1980 — Karnbo, Gabriel vs Armas, Jules — 1-0 — Mexico City MEX
1981 — Mencinger, Vojko vs Wittmann, Walter — 1-0 — Ljubljana
11…h6 — 45.9% (282 parties)
1951 — Pytlakowski, Andrzej vs Anay Barche — 0-1 — Marianske Lazne zt
1952 — Byvshev, Vasily vs Taimanov, Mark — 0-1 — Moskou ch-URS
1952 — Byvshev, Vasily vs Suetin, Alexey S — 0-1 — Moskou ch-URS
1952 — Tal, Mikhail vs Slucman — 1-0 — LAT
1953 — Beni, Alfred vs Matanovic, Aleksandar — 1/2-1/2 — Opatija
11…e5 — 4.1% (25 parties)
1950 — Castaldi, Vincenzo vs Barden, Leonard — 1-0 — Hastings ENG
1950 — Castaldi, Vincenzo vs Barden, Leonard — 1-0 — Hastings ENG
1973 — Cichecki, Adam vs Stone, Raymond — 0-1 — Michigan
1989 — Korkina, Svetlana vs Harwar, Julie A — 1-0 — Straszecin EU-ch J G
1992 — Bologan, Victor vs Gonzalez C., Isabel E. — 1-0 — Oviedo rapid
11…a6 — 2.3% (14 parties)
1991 — Solomon, Stephen J vs Canfell, Gregory J — 1-0 — ?
1991 — Solomon, Stephen J vs Canfell, Gregory J — 1-0 — Melbourne AUS
1996 — Rutherford, Simon vs Smith, Robert W — 1/2-1/2 — Melbourne Masters
1997 — Samojlov, Anton vs Grigoriants, Sergey — 0-1 — Kazan RUS
1998 — Brustman, Agnieszka vs Enders, Peter — 0-1 — Passau GER