A16g — English: Anglo-Gruenfeld, Smyslov Variation

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7 *   ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 5
bQ
bKRoi au centre — vulnérable
bR
bP
bPPion sous pression
bP
bP
bP
bB
bP
bP
wP
wP
wP
wP
wP
wP
wBFou actif — mobilité 7
wP
wR
wB
wQ
wK
wN
wR
abcdefgh
Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), un fou actif en g2, la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri, plusieurs pièces dorment encore (le cavalier g1, le fou c1 et les tours a1 et h1) et le pion isolé a2.

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1) ; Tour sur colonne b.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 2
wR
wP
wB
wP
wP
wP
wPPion isolé — cible
wP
wP
Case forte (2v0)
bP
bP
bBFou actif — mobilité 6
bP
bP
bP
bP
bP
bR
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte f5, un fou actif en g7, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le pion isolé a2, le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bf5 (Développer Bc8) ; ...c6 (Rupture) ; ...c5 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés ● a2
Arriérés
Chaînes ● d2→c3, f2→g3, h2→g3 ● f7→g6, h7→g6
Passés
Majorité ● centre 2v1 ● aile_dame 3v2
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f5 (2v0)
Cases faibles
Centre ● e4 (1v0) ● d4 (2v1), ● e5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● b ● d
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 2)
Bg2 ● Bg2 Actif (mob. 7)
Bg7 ● Bg7 Actif (mob. 6)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (g1, c1, a1, h1) 4 (b8, c8, a8, h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ! ● Au centre !
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● c3-c4, ● d2-d3, ● e2-e3, ● f2-f3 ● …c7-c6, ● …c7-c5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5
Partie
1946 POL Ch – Round 15 – Makarczyk, Kazimierz – 1-0 – Piechota, Jan – G86
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. Qb3 Nd7 8. Nf3 O-O 9. d4 c5 10. O-O cxd4
1947 Leningrad ch-URS – Round 6 – Levenfish, Grigory – 1-0 – Goldenov, Boris P – G71
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Ba3 O-O 8. Rb1 Re8 9. Rxb7 Bxb7 10. Bxb7 Nd7
1949 Trencianske-Teplice – Round 1 – Wade, Robert G – 1/2-1/2 – Golombek, Harry – G2
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Qb3 Nd7 8. Bb2 O-O 9. c4 e5 10. d3 Re8
1952 Helsinki olm – Round ? – Plater, Kazimierz – 1/2-1/2 – Evans, Larry M – G220
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. e3 O-O 8. Ne2 e5 9. O-O Qd3 10. f4 Nc6
1953 CSR Ch Prague – Round 2 – Opocensky, Karel – 1/2-1/2 – Podgorny, Jiri – G10
1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 Nc6 8. h5 Bg4 9. Rb1 Bc8 10. Qa4 Qd7
1954 Kiev ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Ilivitsky, Georgy A – G18
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. h4 h6 8. a4 O-O 9. Ba3 Nd7 10. Nh3 c5
1954 USA-URS – Round 1 – Byrne, David – 1-0 – Averbakh, Yuri L – G2
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. Rb1 Nc6 10. c4 b6
1955 Gothenburg Interzonal – Round 6 – Keres, Paul Petrovich – 1/2-1/2 – Ilivitsky, Georgy A – G53
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. Nf3 O-O 8. h4 h6 9. Rb1 c5 10. c4 Nc6
1955 Odessa Odessa UKR – Round ? – Yudovich, Mikhail M – 1/2-1/2 – Brazilsky, Y – G1
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. h4 O-O 8. h5 c5 9. Nh3 Nc6 10. Ng5 Bg4
1955 Poland ch13 – Round 1 – Sliwa, Bogdan – 1-0 – Solecki, Zbigniew – G3
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h5 8. Rb1 c6 9. Nh3 Qc7 10. O-O Nd7
1955 USSR – Round ? – Ufimtsev, Anatoly – 0-1 – Simagin, Vladimir – G17
1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 Nd7 8. O-O O-O 9. a4 c5 10. a5 a6
1956 Alekhine Memorial – Round 1 – Sliwa, Bogdan – 1-0 – Unzicker, Wolfgang – G16
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Nh3 Nd7 9. Ba3 O-O 10. Qb3 Re8
1956 Hastings5657 – Round 6 – Toran Albero, Roman – 1/2-1/2 – Olafsson, Fridrik – G27
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Rb1 c6 9. Nf3 Nd7 10. c4 O-O
1956 Moscow olm prel – Round 6 – Sapre, Ramchandra – 0-1 – Unzicker, Wolfgang – G179
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Ba3 O-O 8. d4 Nd7 9. Nf3 c6 10. e4 Nb6
1957 WchT U26 04th – Round 7.1 – Olafsson, Fridrik – 1-0 – Lahti, Jouko – G86
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. h4 h5 8. Nh3 c6 9. Ng5 Na6 10. Qb3 O-O
1958 Toronto Ch – Round 8 – Richardson, Doug – 0-1 – Anderson, Frank Ross – G7
1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nxc3 6. bxc3 Bg7 7. Nh3 O-O 8. O-O Nd7 9. Rb1 c6 10. c4 Qc7
1958 World Championship 22th – Round 10 – Botvinnik, Mikhail – 1/2-1/2 – Smyslov, Vladimir – G9
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Ba3 Nd7 8. Nf3 c5 9. Qa4 O-O 10. Rb1 a6
1958 World Championship 22th – Round 18 – Botvinnik, Mikhail – 1-0 – Smyslov, Vladimir – G17
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Qb3 Nc6 8. Nf3 O-O 9. O-O Na5 10. Qc2 c5
1959 Hastings5960 – Round 1 – Averbakh, Yuri L – 1-0 – Golombek, Harry – G2
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. a4 O-O 8. a5 c6 9. Nf3 e5 10. O-O Be6
1960 Leningrad tt – Round 10 – Van Oosterom, Joop – 1-0 – Hollis, Adrian – G127
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Ba3 O-O 8. Nf3 c6 9. Qb3 Na6 10. h4 Qa5
1960 UKR Ch – Round 13 – Sakharov, Yuri N – 1-0 – Levitsky, Anatoly – G79
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 O-O 8. h5 Qd6 9. hxg6 hxg6 10. Rb1 Rd8
1961 Marianske Lazne zt – Round 2 – Sliwa, Bogdan – 1-0 – Johannessen, Svein – G2
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h5 8. Nh3 O-O 9. Qb3 Nc6 10. Nf4 e6
1961 Nykobing – Round 1 – Andersen, Borge – 1-0 – Nielsen, Hartvig – G7
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. Qb3 Nd7 8. h4 Nb6 9. h5 Be6 10. Qc2 Bd5
1961 Stockholm SWE – Round 5 – Kotov, Alexander A – 1-0 – Johannessen, Svein – G4
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. d4 O-O 8. a4 c5 9. e3 cxd4 10. cxd4 Nc6
1961 Zevenaar – Round 1 – Langeweg, Kick – 1/2-1/2 – Johannessen, Simon T – G4
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Nh3 O-O 9. Qb3 Nd7 10. Nf4 e6
1962 Bucharest ROM – Round 15 – Sajtar, Jaroslav – 0-1 – Honfi, Karoly – G39
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. h4 h6 8. Qb3 Nd7 9. Nh3 Rb8 10. d3 b5
1962 Bucharest ROM – Round 9 – Kozma, Julius – 1-0 – Honfi, Karoly – G22
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Qb3 Nd7 9. Nh3 Rb8 10. d4 b5
1962 URS Team Ch – Round 1 – Kushnir, Alla – 1/2-1/2 – Volpert, Larisa – G14
1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O Nd7 9. Qc2 e5 10. d3 c6
1963 Bath ch-BCF – Round 1 – Lawrence, Jeffrey A – 1/2-1/2 – Hollis, Adrian – G1
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O Nd7 9. Qc2 e5 10. d3 c6
1963 Capablanca Memorial – Round 15 – Barcza, Gedeon – 1-0 – Haro Garcia, Gilberto – G137
1. c4 Nf6 2. g3 d5 3. cxd5 Nxd5 4. Bg2 g6 5. Nc3 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. Qb3 Qc7 10. d4 Be6
1964 Harrachov 6465 – Round 5 – Hort, Vlastimil – 1-0 – Eretova, Kveta – G18
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. Qa4+ Nd7 8. Nf3 c5 9. Ba3 O-O 10. O-O a6
1964 Stevenson Memorial XII – Round 11 – Cafferty, Bernard – 0-1 – Osmanagic, Dusan – G11
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O Nd7 9. Qc2 c6 10. Rb1 e5
1964 UKR Ch – Round 16 – Bannik, Anatolij – 1/2-1/2 – Romanovsky, Rem Konstantinovich – G98
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Nh3 Nd7 9. Rb1 Nb6 10. Qc2 Bf5
1965 Capablanca Memorial – Round 12 – Haro Garcia, Gilberto – 0-1 – Jimenez Zerquera, Eleazar – G119
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. a4 O-O 8. a5 Na6 9. h4 h5 10. Nh3 Rb8
1966 Malaga 06th – Round 1 – Wade, Robert G – 1/2-1/2 – Jimenez Zerquera, Eleazar – G1
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h5 8. Nh3 O-O 9. Ng5 c5 10. Qb3 Qc7
1966 Tel Aviv ISR – Round 3 – Sliwa, Bogdan – 1/2-1/2 – Golombek, Harry – G3
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h5 8. Nh3 O-O 9. O-O Nd7 10. Ba3 c5
1967 Atlanta – Round 1 – Byrne, Ray – 1-0 – Wade, Robert G – G1
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. a4 Nc6 10. Ba3 b6
1968 Weimar ch DDR – Round 3 – Liebert, Heinz – 0-1 – Golz, Werner – G5
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Qb3 Nc6 9. Nh3 O-O 10. Nf4 Na5
1969 Monte Carlo – Round 1 – Smyslov, Vladimir – 1-0 – Gheorghiu, Florin – G8
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. Ba3 Nd7 9. O-O c5 10. d4 Qc7
1975 URS Team Ch – Round 2 – Romanishin, Oleg M – 0-1 – Gutman, Lev – G41
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O Nd7 9. d4 Nb6 10. Bf4 Nd5
34. ECC Open 2018 – Round 7.4 – Eljanov, Pavel – 1/2-1/2 – Mikhalevski, Victor – G219
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Rb1 Nc6 9. Nf3 O-O 10. O-O b6
Karpov - Korchnoi World Championship Match 1978 – Round 30 – Karpov, Anatoly – 1/2-1/2 – Korchnoi, Viktor – G4
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. Rb1 Nc6 10. Qa4 Na5
Lindores Abbey Tal Memorial 2021 – Round 4.35 – Oparin, Grigoriy – 1-0 – Dioses Lujan, Carlos Alberto – G195
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h5 8. d4 c5 9. Nf3 O-O 10. O-O Nc6
World Championship 29th 1978 – Round 30 – Karpov, Anatoly – 1/2-1/2 – Korchnoi, Viktor – G22
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. Rb1 Nc6 10. Qa4 Na5
World Rapid 2019 – Round 5.86 – Donchenko, Alexander – 0-1 – Gutenev, Alexander – G359
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. O-O c5 9. Rb1 Nc6 10. Qa4 Qd7
A16g — Anglo-Gruenfeld Smyslov Variation
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7
Eval: [+0.42]
Les coups candidats
Ambassadeurs : Yandemirov, Valeri (14x), Gutman, Lev (10x), Mikhalevski, Victor (10x), Turov, Maxim (8x), Kirov, Nino (7x), Taimanov, Mark (7x), Gutman, Leni (7x), Dioses Lujan, Carlos Alberto (7x)
7.Nf3 — 26.4% (688 parties)
Ambassadeurs : Shishkin, Vadim (6x), Valdes Romero, Leonardo (5x), Gutman, Lev (4x), Schwab, Thomas (4x), De Coverly, Roger D (3x), Jaracz, Barbara (3x), Roeschlau, Bernd (3x), Temirbayev, Serikbay (3x)
7.h4 — 8.6% (224 parties)
Ambassadeurs : Miezis, Normunds (8x), Sliwa, Bogdan (6x), Suba, Mihai (4x), Honfi, Karoly (3x), Gutman, Leni (3x), Eljanov, Pavel (3x), Dioses Lujan, Carlos Alberto (3x), Gutenev, Alexander (3x)
7.Qb3 — 4.4% (114 parties)
Ambassadeurs : Nimzowitsch, Aron (2x), Buerger, Victor (2x), Botvinnik, Mikhail (2x), Seils, Gudula (2x), Wen, Yili (2x), Wade, Robert G (1x), Golombek, Harry (1x), Makarczyk, Kazimierz (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Rb1 7.Nf3 7.h4 7.Qb3
<1800 57 40% 37% 4% 5%
1800-2200 910 47% 31% 7% 7%
2200-2600 1030 60% 22% 11% 2%
2600+ 46 63% 17% 15%
Évolution par décennie (% des parties)
Décennie N parties 7.Rb1 7.Nf3 7.h4 7.Qb3
1920s 2 100%
1930s 1
1940s 5 40% 40%
1950s 45 38% 16% 22% 11%
1960s 76 42% 21% 16% 7%
1970s 137 62% 23% 7% 1%
1980s 196 71% 14% 6% 3%
1990s 502 61% 23% 5% 5%
2000s 657 56% 26% 6% 4%
2010s 865 46% 33% 10% 4%
2020s 121 37% 27% 25% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Rb1 46% 37% ▼ -8.4%
7.Nf3 33% 27% ▼ -5.8%
7.h4 10% 25% ▲ +15.1%
7.Qb3 4% 2% ▼ -1.7%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 5 parties
Smyslov, Vladimir — 5 parties
Tal, Mikhail — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
7.Rb1 — 53.3% (1390 parties)
1946 — Friedmann, O. vs Golombek, H. — 0-1 — London ENG
1947 — Hohensee, H vs Gumprich, Kurt — 0-1 — Berlin GER
1952 — Sarosy, Zoltan L vs Orlando, Roy — 1-0 — Toronto CAN
1954 — Goldberg, Grigory A vs Kolobov, Yury — 1-0 — Riga LAT
1954 — O'Kelly de Galway, Alberic vs Wade, Robert G — 1-0 — Dublin IRL
7.Nf3 — 26.4% (688 parties)
1953 — Doe Raymond vs Siemms, Ross E — 0-1 — Winnipeg CAN
1954 — Byrne, David vs Averbakh, Yuri L — 1-0 — New York, NY USA
1954 — Byrne, Donald vs Averbakh, Yuri L — 1-0 — USA
1955 — Keres, Paul Petrovich vs Ilivitsky, Georgy A — 1/2-1/2 — Goteborg SWE
1955 — Ufimtsev, Anatoly vs Simagin, Vladimir — 0-1 — Moscow RUS
7.h4 — 8.6% (224 parties)
1953 — Opocensky, Karel vs Podgorny, Jiri — 1/2-1/2 — Prague CZE
1954 — Petrosian, Tigran A. vs Ilivitsky, Georgy A — 1/2-1/2 — Kiev ch-URS
1955 — Tal, Mikhail vs Shagalovich, Abo — 0-1 — Tournament Vilnius (Lithuania
1955 — Yudovich, Mikhail M vs Brazilsky, Y — 1/2-1/2 — Odessa Odessa UKR
1955 — Sliwa, Bogdan vs Solecki, Zbigniew — 1-0 — Poland ch13
7.Qb3 — 4.4% (114 parties)
1927 — Nimzowitsch, Aron vs Buerger, Victor — 1-0 — It London ENG
1927 — Nimzowitsch, Aron vs Buerger, Victor — 1-0 — London ENG
1946 — Makarczyk, Kazimierz vs Piechota, Jan — 1-0 — Sopot
1949 — Wade, Robert G vs Golombek, Harry — 1/2-1/2 — Trencianske Teplice SVK
1956 — Schneider, Hugo vs Krieger, Hermann — 1-0 — Aachen GER

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