Ambassadeurs : Pravec, Ladislav (23x), Szabo, Vilmos (8x), Dreev, Aleksey (7x), Shirov, Alexei (7x), Khenkin, Igor (5x), Pecka, Josef (4x), Gelfand, Boris (4x), Mueller-Alves, Martin (4x)
9…b4 — 34.4% (421 parties)
Ambassadeurs : Gelfand, Boris (12x), Dreev, Aleksey (10x), Kramnik, Vladimir (10x), Shirov, Alexei (8x), Karpov, Anatoly (7x), Bareev, Evgeny (6x), Anand, Viswanathan (6x), Novikov, Igor (5x)
9…a6 — 23.3% (285 parties)
Ambassadeurs : Pravec, Ladislav (6x), Forintos, Gyozo V (3x), Borda, Lajos (3x), Khasin, Abram (2x), Tukmakov, Vladimir B (2x), Lerner, Konstantin Z (2x), Collett, Peter (2x), Matei, Cornel (2x)
9…a5 — 4.4% (54 parties)
Ambassadeurs : Szily, Jozsef (2x), Paramos Dominguez, Roberto (2x), Casale Morrison, Bruno Eneas (1x), Schmidt, Hans Otto (1x), Furman, Semyon (1x), Nei, Iivo (1x), Kottnauer, Cenek (1x), Portisch, Lajos (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
9…Bd6
9…b4
9…a6
9…a5
<1800
22
18%
36%
23%
5%
1800-2200
353
34%
28%
31%
3%
2200-2600
609
41%
33%
20%
6%
2600+
110
34%
58%
7%
1%
Évolution par décennie (% des parties)
Décennie
N parties
9…Bd6
9…b4
9…a6
9…a5
1930s
1
—
—
—
100%
1950s
4
—
—
50%
50%
1960s
8
12%
—
75%
12%
1970s
5
20%
—
60%
20%
1980s
16
—
62%
19%
19%
1990s
175
6%
64%
23%
5%
2000s
347
22%
43%
27%
5%
2010s
540
51%
21%
23%
3%
2020s
127
55%
29%
11%
2%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
9…Bd6
51%
55%
▲ +3.8%
9…b4
21%
29%
▲ +8.4%
9…a6
23%
11%
▼ -11.8%
9…a5
3%
2%
▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties Anand, Viswanathan — 8 parties Karpov, Anatoly — 7 parties Ding, Liren — 4 parties Karpov, Aleksandr — 3 parties Carlsen, Magnus — 1 partie
Parties historiques
9…Bd6 — 35.7% (436 parties)
1961 — Gligorić, Svetozar vs Trifunovic, Petar — 1/2-1/2 — Bled SLO 1978 — Beliavsky, Alexander G vs Platonov, Igor V — 1-0 — Kiev UKR 1993 — Romo Carreno, Carlos vs Gil Capape, Javier — 0-1 — AUEQ5 TERUEL - OLIVA 1994 — Koniushkov, Igor vs Mukhametov, Eldar — 1-0 — St Petersburg RUS 1994 — Koniushkov, Igor vs Mukhametov, Eldar — 1-0 — St Petersburg RUS
9…b4 — 34.4% (421 parties)
1987 — Paehtz, Thomas vs Sveshnikov, K. — 0-1 — Varna BUL 1987 — Paehtz, Thomas vs Sveshnikov, Evgeny — 0-1 — Bulgaria 1988 — Vaganian, Rafael A vs Novikov, Igor — 0-1 — Tallinn EST 1988 — Basin, Leonid vs Savchenko, Stanislav — 1/2-1/2 — Simferopol UKR 1988 — Nogueiras Santiago, Jesus vs Chernin, Alexander — 0-1 — Madrid ESP
9…a6 — 23.3% (285 parties)
1952 — Teschner, Rudolf vs Mueller, Paul — 1-0 — Basel SUI 1955 — Gligorić, Svetozar vs Sanguineti, Raúl Carlos — 1-0 — Club Argentino de Ajedrez 1960 — Averbakh, Yuri L vs Nei, Iivo — 1/2-1/2 — Odessa UKR 1963 — Forintos, Gyozo V vs Barczay, Laszlo — 1/2-1/2 — Budapest HUN 1964 — Furman, Semyon vs Khasin, Abram — 0-1 — Ch URS (team) /2 final)
9…a5 — 4.4% (54 parties)
1933 — Casale Morrison, Bruno Eneas vs Schmidt, Hans Otto — 1-0 — Hastings, White Rock Pavilion 1952 — Kottnauer, Cenek vs Szily, Jozsef — 0-1 — Budapest HUN 1959 — Furman, Semyon vs Nei, Iivo — 1/2-1/2 — Tallinn EST 1962 — Portisch, Lajos vs Szily, Jozsef — 1/2-1/2 — Budapest HUN 1977 — Forintos, Gyozo V vs Supancic, Darko — 1-0 — Maribor
Anand, Viswanathan — 8 parties
Karpov, Anatoly — 7 parties
Ding, Liren — 4 parties
Karpov, Aleksandr — 3 parties
Carlsen, Magnus — 1 partie
1978 — Beliavsky, Alexander G vs Platonov, Igor V — 1-0 — Kiev UKR
1993 — Romo Carreno, Carlos vs Gil Capape, Javier — 0-1 — AUEQ5 TERUEL - OLIVA
1994 — Koniushkov, Igor vs Mukhametov, Eldar — 1-0 — St Petersburg RUS
1994 — Koniushkov, Igor vs Mukhametov, Eldar — 1-0 — St Petersburg RUS
1987 — Paehtz, Thomas vs Sveshnikov, Evgeny — 0-1 — Bulgaria
1988 — Vaganian, Rafael A vs Novikov, Igor — 0-1 — Tallinn EST
1988 — Basin, Leonid vs Savchenko, Stanislav — 1/2-1/2 — Simferopol UKR
1988 — Nogueiras Santiago, Jesus vs Chernin, Alexander — 0-1 — Madrid ESP
1955 — Gligorić, Svetozar vs Sanguineti, Raúl Carlos — 1-0 — Club Argentino de Ajedrez
1960 — Averbakh, Yuri L vs Nei, Iivo — 1/2-1/2 — Odessa UKR
1963 — Forintos, Gyozo V vs Barczay, Laszlo — 1/2-1/2 — Budapest HUN
1964 — Furman, Semyon vs Khasin, Abram — 0-1 — Ch URS (team) /2 final)
1952 — Kottnauer, Cenek vs Szily, Jozsef — 0-1 — Budapest HUN
1959 — Furman, Semyon vs Nei, Iivo — 1/2-1/2 — Tallinn EST
1962 — Portisch, Lajos vs Szily, Jozsef — 1/2-1/2 — Budapest HUN
1977 — Forintos, Gyozo V vs Supancic, Darko — 1-0 — Maribor