Ambassadeurs : Petrosian, Tigran V. (3x), Parma, Bruno (3x), Quinteros, Miguel A. (3x), Glavina, Pablo (3x), Petrosian, Tigran A. (2x), Nika, Katerina (2x), Korchnoi, Viktor (2x), Small, Vernon A (2x)
8…Ba6 — 19.3% (126 parties)
Ambassadeurs : Landau, Salo (2x), Inkiov, Ventzislav (2x), Tassi, Oliviero (2x), Filippov, Valerij (2x), Takacs, Sandor (1x), Davidson, Jacques (1x), Szabo, Laszlo (1x), Book, Eero (1x)
8…Nfd7 — 12.9% (84 parties)
Ambassadeurs : Gleizerov, Evgeny (2x), Martinovsky, Eugene (2x), Filippov, Valerij (2x), Letelier Martner, Rene (1x), Alarcon Gutierrez, Juan David (1x), Golombek, Harry (1x), Molina Moller, Brando Felipe (1x), Ellerman, Arnoldo (1x)
8…a5 — 1.1% (7 parties)
Ambassadeurs : Bogdan, David (2x), Klaman, Konstantin Mikhailovich (1x), Nikitin, Aleksander S (1x), Berdichevski, Igor (1x), Jouhki, Yrjo M. (1x), Rojas Salas, Steven (1x), Lazavik, Denis (1x), Chipiga, Maksim (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
8…Bb7
8…Ba6
8…Nfd7
8…a5
<1800
9
56%
33%
—
—
1800-2200
213
74%
12%
12%
1%
2200-2600
361
60%
24%
14%
1%
2600+
5
20%
80%
—
—
Évolution par décennie (% des parties)
Décennie
N parties
8…Bb7
8…Ba6
8…Nfd7
8…a5
1930s
3
33%
67%
—
—
1940s
4
—
25%
75%
—
1950s
6
50%
17%
17%
17%
1960s
5
80%
20%
—
—
1970s
13
100%
—
—
—
1980s
30
60%
17%
20%
—
1990s
87
62%
17%
18%
1%
2000s
89
70%
9%
18%
—
2010s
237
66%
22%
10%
—
2020s
179
64%
22%
10%
3%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
8…Bb7
66%
64%
▼ -1.6%
8…Ba6
22%
22%
-0.0%
8…Nfd7
10%
10%
-0.1%
8…a5
0%
3%
▲ +2.8%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
8…Bb7 — 65.2% (426 parties)
1938 — Botvinnik, Mikhail vs Makogonov, Vladimir — 1-0 — Leningrad RUS 1950 — De Freitas, Manuela Schmitz vs Sanguinetti, Ricardo — 1/2-1/2 — Mar del Plata ARG 1955 — Kotkov, Yuri M vs Shishov, Mikhail — 1-0 — Soviet Union 1957 — Petrosian, Tigran V. vs Khasin, Abram — 1-0 — Kiev UKR 1960 — Petrosian, Tigran A. vs Teschner, Rudolf — 1-0 — Hamburg GER
8…Ba6 — 19.3% (126 parties)
1930 — Landau, Salo vs Takacs, Sandor — 0-1 — Rotterdam NED 1932 — Davidson, Jacques vs Landau, Salo — 1/2-1/2 — Amsterdam NED 1948 — Szabo, Laszlo vs Book, Eero — 1-0 — Saltsjobaden SWE 1954 — Shamkovich, Leonid vs Livshin, Iosif — 0-1 — Kiev ch-URS 1963 — Maedler, Juergen, Dr. vs Muehlberg, Siegfried — 1/2-1/2 — Aschersleben GER
8…Nfd7 — 12.9% (84 parties)
1945 — Letelier Martner, Rene vs Alarcon Gutierrez, Juan David — 1-0 — Vina del Mar CHI 1946 — Ellerman, Arnoldo vs Skalicka, Karel — 0-1 — Buenos Aires ARG 1948 — Golombek, Harry vs Molina Moller, Brando Felipe — 1/2-1/2 — Karlovy Vary 1957 — Szabo, Ladislav vs Ivkov, Borislav — 1-0 — Wageningen zt 1982 — Odendahl, Steven vs Ljungquist, Lennart — 1-0 — Gausdal NOR
8…a5 — 1.1% (7 parties)
1957 — Klaman, Konstantin Mikhailovich vs Nikitin, Aleksander S — 1/2-1/2 — Leningrad RUS 1992 — Berdichevski, Igor vs Jouhki, Yrjo M. — 1-0 — Kuopio 2021 — Chipiga, Maksim vs Kornyukov, Alexey — 0-1 — Rostov-on-Don RUS 2021 — Makarian, Rudik vs Tiviakov, Sergei — 1-0 — Chelyabinsk RUS 2023 — Rojas Salas, Steven vs Bogdan, David — 1-0 — Samarkand UZB
1950 — De Freitas, Manuela Schmitz vs Sanguinetti, Ricardo — 1/2-1/2 — Mar del Plata ARG
1955 — Kotkov, Yuri M vs Shishov, Mikhail — 1-0 — Soviet Union
1957 — Petrosian, Tigran V. vs Khasin, Abram — 1-0 — Kiev UKR
1960 — Petrosian, Tigran A. vs Teschner, Rudolf — 1-0 — Hamburg GER
1932 — Davidson, Jacques vs Landau, Salo — 1/2-1/2 — Amsterdam NED
1948 — Szabo, Laszlo vs Book, Eero — 1-0 — Saltsjobaden SWE
1954 — Shamkovich, Leonid vs Livshin, Iosif — 0-1 — Kiev ch-URS
1963 — Maedler, Juergen, Dr. vs Muehlberg, Siegfried — 1/2-1/2 — Aschersleben GER
1946 — Ellerman, Arnoldo vs Skalicka, Karel — 0-1 — Buenos Aires ARG
1948 — Golombek, Harry vs Molina Moller, Brando Felipe — 1/2-1/2 — Karlovy Vary
1957 — Szabo, Ladislav vs Ivkov, Borislav — 1-0 — Wageningen zt
1982 — Odendahl, Steven vs Ljungquist, Lennart — 1-0 — Gausdal NOR
1992 — Berdichevski, Igor vs Jouhki, Yrjo M. — 1-0 — Kuopio
2021 — Chipiga, Maksim vs Kornyukov, Alexey — 0-1 — Rostov-on-Don RUS
2021 — Makarian, Rudik vs Tiviakov, Sergei — 1-0 — Chelyabinsk RUS
2023 — Rojas Salas, Steven vs Bogdan, David — 1-0 — Samarkand UZB