Ambassadeurs : Marovic, Drazen (6x), Zhidkov, Valery S (6x), Rogozenco, Dorian (6x), Ciocaltea, Victor (5x), Djubek, Boris (5x), Hebden, Mark L (5x), Korchnoi, Viktor (4x), Tal, Mikhail (4x)
9…Bd7 — 20.5% (184 parties)
Ambassadeurs : Ligterink, Gert (3x), Nogueiras Santiago, Jesus (3x), Istratescu, Andrei (3x), Root, Douglas (2x), Wurm, Christoph (2x), Ramik, Zdenek (2x), Schoene, Ralf (2x), Raceanu, Valentin (2x)
9…Nd7 — 4.1% (37 parties)
Ambassadeurs : Mista, Ladislav (1x), Filep, Tibor (1x), Leal Napolitano, Yosman Jose (1x), Pegoraro, Cosme Gervasio (1x), Vukic, Milan (1x), Krnic, Zdenko (1x), Mista, Aleksander (1x), Filip, Marius Liviu (1x)
9…e6 — 2.7% (24 parties)
Ambassadeurs : Harestad, Thor Geir (2x), Stuhlik, Marko (2x), Marovic, Drazen (1x), Ciocaltea, Victor (1x), Debarnot, Roberto (1x), Palacios Lanza, Antonio (1x), Atalik, Suat (1x), Hook, William (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
9…b5
9…Bd7
9…Nd7
9…e6
<1800
2
50%
50%
—
—
1800-2200
193
55%
23%
6%
3%
2200-2600
534
65%
21%
4%
3%
2600+
6
67%
33%
—
—
Évolution par décennie (% des parties)
Décennie
N parties
9…b5
9…Bd7
9…Nd7
9…e6
1950s
23
91%
—
—
—
1960s
39
67%
8%
5%
—
1970s
94
64%
23%
3%
1%
1980s
122
82%
10%
2%
2%
1990s
242
63%
22%
4%
4%
2000s
207
57%
25%
5%
3%
2010s
153
54%
25%
6%
3%
2020s
16
62%
25%
—
6%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
9…b5
54%
62%
▲ +8.9%
9…Bd7
25%
25%
+0.2%
9…Nd7
6%
0%
▼ -5.9%
9…e6
3%
6%
▲ +3.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties Smyslov, Vladimir — 1 partie Karpov, Anatoly — 1 partie
Parties historiques
9…b5 — 63.6% (570 parties)
1955 — Stahlberg, Gideon vs Panno, Oscar — 1/2-1/2 — Goteborg SWE 1955 — Urbanec, Karel vs Stulik, Vlastimil — 1-0 — Prague CZE 1955 — Rejfir, Josef vs Dolezal, Jiri — 1/2-1/2 — Prague CZE 1956 — Ilivitsky, Georgy A vs Shamkovich, Leonid — 1/2-1/2 — Kislovodsk 1956 — Smyslov, Vladimir vs Petrosian, Tigran A. — 1-0 — Amsterdam NED
9…Bd7 — 20.5% (184 parties)
1966 — Pithart, Frantisek vs Ciocaltea, Victor — 1/2-1/2 — Harrachov 1969 — Rodriguez, Ruben vs Boudy Bueno, Julio Leonardo — 0-1 — Dresden GER 1969 — Kavalek, Lubomir vs Domnitz, Zadok — 1-0 — Netanya ISR 1970 — Heinicke, Herbert vs Suess, Alois — 0-1 — FRG-ch Voelklingen 1970 — Eales, Richard G vs Ornstein, Axel — 1/2-1/2 — Groningen NED
9…Nd7 — 4.1% (37 parties)
1968 — Leal Napolitano, Yosman Jose vs Pegoraro, Cosme Gervasio — 1/2-1/2 — Milan ITA 1969 — Mista, Ladislav vs Filep, Tibor — 1/2-1/2 — Reggio Emilia ITA 1970 — Vukic, Milan vs Krnic, Zdenko — 1-0 — Sombor 1970 — Mista, Aleksander vs Filip, Marius Liviu — 1/2-1/2 — Reggio Emilia ITA 1970 — Garcia Martinez, Silvino vs Hook, William — 1/2-1/2 — Havana CUB
9…e6 — 2.7% (24 parties)
1973 — Marovic, Drazen vs Ciocaltea, Victor — 1-0 — Dortmund GER 1981 — Debarnot, Roberto vs Palacios Lanza, Antonio — 0-1 — San Pedro de Jujuy c 1988 — Atalik, Suat vs Hook, William — 1-0 — Thessaloniki GRE 1991 — Itkis, Boris vs Gabdrakhmanov, Rafail — 0-1 — Miedzybrodzie 1991 — Harestad, Thor Geir vs Melkeraen, Terje — 1-0 — Fister
Smyslov, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
1955 — Urbanec, Karel vs Stulik, Vlastimil — 1-0 — Prague CZE
1955 — Rejfir, Josef vs Dolezal, Jiri — 1/2-1/2 — Prague CZE
1956 — Ilivitsky, Georgy A vs Shamkovich, Leonid — 1/2-1/2 — Kislovodsk
1956 — Smyslov, Vladimir vs Petrosian, Tigran A. — 1-0 — Amsterdam NED
1969 — Rodriguez, Ruben vs Boudy Bueno, Julio Leonardo — 0-1 — Dresden GER
1969 — Kavalek, Lubomir vs Domnitz, Zadok — 1-0 — Netanya ISR
1970 — Heinicke, Herbert vs Suess, Alois — 0-1 — FRG-ch Voelklingen
1970 — Eales, Richard G vs Ornstein, Axel — 1/2-1/2 — Groningen NED
1969 — Mista, Ladislav vs Filep, Tibor — 1/2-1/2 — Reggio Emilia ITA
1970 — Vukic, Milan vs Krnic, Zdenko — 1-0 — Sombor
1970 — Mista, Aleksander vs Filip, Marius Liviu — 1/2-1/2 — Reggio Emilia ITA
1970 — Garcia Martinez, Silvino vs Hook, William — 1/2-1/2 — Havana CUB
1981 — Debarnot, Roberto vs Palacios Lanza, Antonio — 0-1 — San Pedro de Jujuy c
1988 — Atalik, Suat vs Hook, William — 1-0 — Thessaloniki GRE
1991 — Itkis, Boris vs Gabdrakhmanov, Rafail — 0-1 — Miedzybrodzie
1991 — Harestad, Thor Geir vs Melkeraen, Terje — 1-0 — Fister