Ambassadeurs : Portisch, Ferenc (4x), Tarjan, James (3x), Gheorghiu, Florin (2x), Browne, Walter Shawn (2x), Grupe, Hans-Joerg (2x), Molenbroek, Hans (2x), Wibe, Terje (2x), Dueball, Juergen (2x)
9.Nc1 — 20.3% (75 parties)
Ambassadeurs : Westerinen, Heikki M.J. (9x), Hanko, Pavel (4x), Saidy, Anthony (2x), Dueball, Juergen (2x), Moehring, Guenther (2x), Kuettner, Uwe (2x), Sonntag, Hans-Hubert (2x), Riihimaki, Pekka (2x)
9.g4 — 13.8% (51 parties)
Ambassadeurs : Westerinen, Heikki M.J. (3x), Soltis, Andrew (2x), Popov, Luben (2x), Blackstock, Lesly S F (2x), Whiteley, Andrew J (2x), Botterill, George S. (2x), Goodman, David S C (2x), Olf, Hans-Helmut (2x)
9.Rd1 — 10.3% (38 parties)
Ambassadeurs : Westerinen, Heikki M.J. (3x), Schiffer, Karl-Josef (3x), Petrosian, Tigran V. (2x), Ligterink, Gert (2x), Juhnke, Juergen (2x), Maeder, Karl-Heinz (2x), Kraidman, Yair (2x), Portisch, Ferenc (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
9.h4
9.Nc1
9.g4
9.Rd1
<1800
2
50%
—
—
—
1800-2200
65
25%
20%
29%
2%
2200-2600
162
28%
18%
8%
9%
Évolution par décennie (% des parties)
Décennie
N parties
9.h4
9.Nc1
9.g4
9.Rd1
1960s
23
—
35%
13%
39%
1970s
103
18%
20%
14%
21%
1980s
76
25%
20%
14%
5%
1990s
91
32%
15%
13%
1%
2000s
52
38%
27%
8%
4%
2010s
23
4%
13%
30%
—
2020s
1
—
—
—
—
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
9.h4
4%
0%
▼ -4.3%
9.Nc1
13%
0%
▼ -13.0%
9.g4
30%
0%
▼ -30.4%
9.Rd1
0%
0%
+0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Parties historiques
9.h4 — 23.8% (88 parties)
1971 — Davies, G Brian vs Singleton, Michael P F — 1/2-1/2 — British CC Ch 1971-72 1974 — Gheorghiu, Florin vs Westerinen, Heikki M.J. — 1-0 — Torremolinos ESP 1975 — Portisch, Lajos vs Pinter, Jozsef — 1-0 — HUN 1975 — Helmers, Knut Joran vs Sande, Oystein — 0-1 — NOR 1975 — Aldeguer Barbera, Jose Manuel vs Maruotti, Maxim Antonio — 0-1 — corr Italy
9.Nc1 — 20.3% (75 parties)
1965 — Goethals, Fernand vs Westerinen, Heikki M.J. — 0-1 — Sinaia 1965 — Goethals F vs Westerinen, Heikki M.J. — 0-1 — Sinaia 1965 — Balcerowski, Witold vs Gipslis, Aivars — 1/2-1/2 — Tbilisi Tbilisi GEO 1967 — Saidy, Anthony vs Mista, Ladislav — 0-1 — Reggio Emilia ITA 1968 — Kraidman, Yair vs Westerinen, Heikki M.J. — 1/2-1/2 — Lugano SUI
9.g4 — 13.8% (51 parties)
1967 — Halfdanarson, Jon vs Soltis, Andrew — 0-1 — Harrachov 1967 — Halfdanarsonn, J vs Soltis, Andrew — 0-1 — Harrachov 1968 — Hook, William vs Westerinen, Heikki M.J. — 1/2-1/2 — Lugano SUI 1971 — Lamas, Pedro vs Silva Nazzari, Roberto — 1/2-1/2 — Uruguay 1973 — Nautsch, Werner vs Westerinen, Heikki M.J. — 1/2-1/2 — Dortmund GER
9.Rd1 — 10.3% (38 parties)
1968 — Petrosian, Tigran A. vs Westerinen, Heikki M.J. — 1-0 — Palma de Majorca ESP 1968 — Wanke, Rainer vs Maeder, Karl-Heinz — 1/2-1/2 — FRG-ch11 corr6871 1969 — Petrosian, Tigran V. vs Hort, Vlastimil — 1-0 — Palma de Mallorca 8/625 1969 — Petrosian, Tigran V. vs Vlasti — 1-0 — It, Palma de Majorca ESP 1969 — Schiffer, Karl-Josef vs Kestler, Hans-Guenther — 1-0 — Koenigsfeld GER
1974 — Gheorghiu, Florin vs Westerinen, Heikki M.J. — 1-0 — Torremolinos ESP
1975 — Portisch, Lajos vs Pinter, Jozsef — 1-0 — HUN
1975 — Helmers, Knut Joran vs Sande, Oystein — 0-1 — NOR
1975 — Aldeguer Barbera, Jose Manuel vs Maruotti, Maxim Antonio — 0-1 — corr Italy
1965 — Goethals F vs Westerinen, Heikki M.J. — 0-1 — Sinaia
1965 — Balcerowski, Witold vs Gipslis, Aivars — 1/2-1/2 — Tbilisi Tbilisi GEO
1967 — Saidy, Anthony vs Mista, Ladislav — 0-1 — Reggio Emilia ITA
1968 — Kraidman, Yair vs Westerinen, Heikki M.J. — 1/2-1/2 — Lugano SUI
1967 — Halfdanarsonn, J vs Soltis, Andrew — 0-1 — Harrachov
1968 — Hook, William vs Westerinen, Heikki M.J. — 1/2-1/2 — Lugano SUI
1971 — Lamas, Pedro vs Silva Nazzari, Roberto — 1/2-1/2 — Uruguay
1973 — Nautsch, Werner vs Westerinen, Heikki M.J. — 1/2-1/2 — Dortmund GER
1968 — Wanke, Rainer vs Maeder, Karl-Heinz — 1/2-1/2 — FRG-ch11 corr6871
1969 — Petrosian, Tigran V. vs Hort, Vlastimil — 1-0 — Palma de Mallorca 8/625
1969 — Petrosian, Tigran V. vs Vlasti — 1-0 — It, Palma de Majorca ESP
1969 — Schiffer, Karl-Josef vs Kestler, Hans-Guenther — 1-0 — Koenigsfeld GER