C28k — Vienna: 3.Bc4 Nc6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4

1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5, un fou actif en c4 et la paire de fous.

Côté adverse. Le roi resté au centre.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4, des avant-postes en d4 et c5, des fous actifs en g4 et c5 et la paire de fous.

Côté adverse. 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 (les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Na5 (Attaquer Bc4) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, d3→e4	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v1), ● g5 (2v0)	● b4 (2v0), ● d4 (3v1)
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (2v1)	● d4 (3v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bc4	● Bc4 Actif (mob. 6)
Bg4		● Bg4 Actif (mob. 7)
Bc5		● Bc5 Actif (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	3 (c1, a1, h1)	2 (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	fermé
Ruptures	● d3-d4, ● f4-f5	● …d6-d5

Partie
1902 It (Men) Monte Carlo MNC – Round 5 – Marchand, Max – 0-1 – Spielmann, Rudolf – G18 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Bg4 6. Nf3 Nc6 7. h3 Be6 8. Bxe6 fxe6 9. Na4 Bb6 10. Nxb6 axb6
1904 London – Round 11 – Loman, Rudolf – 1-0 – Curnock, A. – G33 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Nxc2+ 10. Kd1 Nxa1
1904 Vienna Gambit – Round 18 – Maroczy, Geza – 1-0 – Wolf Heinrich – G56 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. Nc3 Nf6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Nxc2+ 10. Kd1 Nxa1
1904 Vienna Gambit – Round 8 – Perlis, Julius – 1-0 – Wolf Heinrich – G27 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. fxe5 Nxe4 10. O-O Bxf3
1905 Barmen-A – Round ? – Janowski, Dawid – 1-0 – Leonhardt, Paul – G11 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. f4 Bg4 6. Nf3 Nc6 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qg3 Nxc2+ 10. Kd1 Nxa1
1905 It (Men) Barmen GER – Round 1 – Forgacs, Leo – 1-0 – Leonhardt, Paul – G44 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. f4 Bg4 6. Nf3 Nc6 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qg3 Nxc2+ 10. Kd1 Nxa1
1905 Ostende – Round 8 – Chigorin, Mikhail – 0-1 – Leonhardt, Paul – G24 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. Kd1 c6
1906 Ostende – Round 1 – Spielmann, Rudolf – 1/2-1/2 – Schlechter, Carl – G21 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. f4 Nc6 6. Nf3 Bg4 7. Na4 exf4 8. Nxc5 dxc5 9. Bxf4 Nh5 10. Be3 O-O
1907 Berlin Jubilee – Round 9 – Spielmann, Rudolf – 1-0 – Caro, Horatio – G39 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. Nc3 Bg4 7. Na4 exf4 8. Nxc5 dxc5 9. Bxf4 Nh5 10. Be3 Nd4
1907 It (Men) San Sebastian ESP – Round 12 – Spielmann, Rudolf – 1/2-1/2 – Maroczy, Geza – G30 1. e4 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nf6 5. f4 Bg4 6. Nf3 Nc6 7. Na4 Nd7 8. Nxc5 dxc5 9. O-O exf4 10. Bxf4 Nce5
1907 Ostende – Round 4 – Chigorin, Mikhail – 0-1 – Schlechter, Carl – G39 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. Nc3 Bg4 7. h3 Be6 8. Bb5 a6 9. Bxc6+ bxc6 10. fxe5 dxe5
1908 BCF Ch 5th – Round 4 – Blake, Joseph – 1-0 – Ward, William 2001 – G14 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Bg4 6. Nf3 Nc6 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qd1 b5 10. Nxc5 dxc5
1910 Hamburg Hauptturnier-A – Round ? – Hromadka, Karel – 1-0 – Kuerschner, Matthias – G15 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. d3 d6 5. f4 Nf6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Nh5 10. Qg4 g6
1910 Hamburg Hauptturnier-A – Round 1 – Hromadka, Karel – 0-1 – Lasker, Edward – G6 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Qe7 9. Be3 Bxe3 10. Qxe3 Nd4
1910 Vienna – Round 1 – Spielmann, Rudolf – 1-0 – Perlis, Julius – G4 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. f4 Nc6 6. Nf3 Bg4 7. Na4 exf4 8. Nxc5 dxc5 9. Bxf4 Qe7 10. Bb5 O-O
1914 Baden – Round 1 – Tartakower, Savielly – 1-0 – Opocensky, Karel – G22 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. Nc3 Bg4 7. Na4 O-O 8. Nxc5 dxc5 9. c3 Na5 10. Bb5 a6
1922 Bad Pistyan – Round 5 – Spielmann, Rudolf – 1-0 – Hromadka, Karel – G37 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. Nc3 Bg4 7. Na4 a6 8. Nxc5 dxc5 9. a4 Nh5 10. f5 Nf4
1922 Bad Pistyan Breyer Memorial-A – Round 1 – Spielmann, Rudolf – 1/2-1/2 – Prokes, Ladislav – G5 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 dxe5
1923 FRA tour sim – Round ? – Alekhine, Alexander – 1-0 – Darru, R. – G10 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 Nc6 6. d3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. c3 O-O 10. O-O Qe7
1923 Maehrisch Ostrau – Round 4 – Rubinstein, Akiba – 1-0 – Hromadka, Karel – G24 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 dxe5
1923 Verenigde Staten m ch-USA – Round 16 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Lasker, E. – G16 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. Kd1 c6
1923 Verenigde Staten m ch-USA – Round 2 – Marshall Viele, Fabrizio Aaron – 0-1 – Lasker, E. – G2 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. Be3 O-O-O
1925 Moscow – Round 1 – Spielmann, Rudolf – 1/2-1/2 – Bohatyrchuk, Fedir Parfenovych – G80 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 Nc6 5. f4 d6 6. Nf3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. c3 Nxf3+ 10. gxf3 Bh5
1925 Moscow – Round 1 – Spielmann, Rudolf – 1/2-1/2 – Rabinovich, Ilya Mar – G83 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. fxe5 Nd7 10. Bf4 Qe7
1925 Paris Paris FRA – Round ? – Alekhine, Alexander – 1-0 – ? – G9 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Qe7 8. Nxc5 dxc5 9. O-O Nd7 10. c3 a6
1927 Prague Evony – Round 9 – Hromadka, Karel – 1-0 – Prokes, Ladislav – G16 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. f4 Nc6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 dxe5
1928 Bradley Beach – Round 4 – Tenner, Oscar – 0-1 – Lasker, Edward – G9 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. O-O exf4 10. Bxf4 O-O
1940 Copenhagen KS – Round 2 – Nielsen, Julius – 1/2-1/2 – Lindhard, Jens – G2 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Nc6 6. Nf3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. O-O Qe7 10. fxe5 Nd7
1940 Rakovnik – Round 7 – Hromadka, Karel – 1-0 – Pokorny, Amos – G39 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. f4 Nc6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 Nh5
1946 Barcelona – Round 4 – Wade, Robert G – 0-1 – Wood, Gabriel – G28 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. f4 Nc6 6. Nf3 Bg4 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qg3 Nxc2+ 10. Kd1 Nxa1
1946 Pittsburgh Open – Round 1 – Santasiere, Anthony – 1-0 – Aguilar Aleman, Diego Ignacio – G70 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d6 5. Nf3 Nc6 6. d3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. h3 Bxf3 10. Qxf3 Nd4
1948 South Fallsburg ch-USA – Round 1 – Adams, Weaver – 1-0 – Kashdan, Isaac – G81 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d6 5. Nf3 Nc6 6. d3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. c3 Nxf3+ 10. gxf3 Bh5
1949 Heidelberg – Round 7 – Wade, Robert G – 1/2-1/2 – Schmid, Leo – G23 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Nc6 6. Nf3 Bg4 7. Na4 Nd4 8. Nxc5 dxc5 9. fxe5 Nd7 10. Bf4 Qe7
1949 Mar del Plata – Round 9 – Pomar Salamanca, Arturo – 1-0 – Gentil Le Roux, Loevan – G85 1. e4 e5 2. Nc3 Nc6 3. f4 Bc5 4. Nf3 d6 5. Bc4 Nf6 6. d3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. h3 Bxf3 10. Qxf3 Nd4
1949 Oldenburg – Round 12 – Kieninger, Georg – 1-0 – Heemsoth, Hermann – G43 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. O-O h6 10. c3 Na5
1949 Zagreb – Round 12 – Kostic, Boris – 1/2-1/2 – Nedeljkovic, Srecko M – G17 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 dxe5
1951 GER Ch U20 – Round 6 – Bialas, Wolfram – 1-0 – Stahl, Franz – G19 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 Nc6 6. d3 Bg4 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qg3 exf4 10. Qxg7 Rf8
1951 Sopot – Round 4 – Koch, Berthold – 0-1 – Gereben, Erno – G23 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. f4 Bg4 6. Nf3 Nc6 7. Na4 Qe7 8. Nxc5 dxc5 9. O-O O-O-O 10. Qe1 Bxf3
1952 ITA-ch15 – Round 7 – Norcia, Federico – 1-0 – Baldanello Mario – G37 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 Nh5
1954 Olympiad prel II – Round 1 – Norcia, Federico – 1-0 – Maher, Vincent – G18 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Nc6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 dxe5
1955 Hoechst ch-GER – Round 1 – Engert, Immo – 0-1 – Pfeiffer, Gerhard – G44 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. f4 Bg4 6. Nf3 Nc6 7. Na4 Nd4 8. Nxc5 Bxf3 9. gxf3 dxc5 10. c3 Ne6
1955 Long Beach US-open – Round 7 – McCormick, Edgar T – 0-1 – Arranz Martin, Rafael – G31 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d6 5. Nf3 Nc6 6. d3 Bg4 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qg3 Nh5 10. Qf2 Nxf4
1957 USA Ch Open 58th – Round 1 – Stearns Elliot E – 0-1 – Shipman, Walter – G8 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. f4 d6 5. Nf3 Nc6 6. d3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. c3 d5 10. exd5 Nxd5
1962 Corr – Round 1 – Honfi, K. – 1-0 – Salm, Maxwell – G11 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 Nc6 5. f4 d6 6. Nf3 Bg4 7. Na4 Bxf3 8. Qxf3 Nd4 9. Qg3 exf4 10. Qxg7 Rf8
1966 IBM-B – Round 7 – Enevoldsen, Jens – 1-0 – Hartoch, Robert G – G22 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d6 5. Nf3 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 O-O 10. fxe5 dxe5
1968 Cardenas/Matanzas/Santa Clara – Round 7 – Jimenez Zerquera, Eleazar – 1-0 – Estrada Degrandi, Walter – G35 1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Bb5 O-O 8. Bxc6 bxc6 9. fxe5 dxe5 10. h3 Bxf3
World Blitz 2015 – Round 14.32 – Rublevsky, Sergei – 1-0 – Lagno, Kateryna – G871 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Bxf3 8. Qxf3 Qd7 9. Nxc5 dxc5 10. O-O O-O-O

C28k —

1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4

Eval: [+0.23]

Les coups candidats

7.Na4 — 65.0% (773 parties)

Ambassadeurs : Spielmann, Rudolf (12x), Alekhine, Alexander (10x), Nagley, Tim (6x), Tenner, Oscar (5x), Jonkman, Harmen (5x), Gimenez Martinez, Alberto (5x), Van de Plassche, Bas (4x), Mikhalevski, Victor (4x)

7.h3 — 27.9% (332 parties)

Ambassadeurs : Chigorin, Mikhail (11x), Nagley, Tim (7x), Hromadka, Karel (5x), Loman, Rudolf (4x), Tarrasch, Siegbert (4x), Rubinstein, Akiba (4x), Eberth, Zoltan Bela (4x), Pillsbury, Harry (3x)

7.Bb5 — 3.8% (45 parties)

Ambassadeurs : Spice, Alan (2x), Shtembuliak, Evgeny (2x), Otte, Marijn (2x), Fritz, Alexander (1x), Blackburne, Joseph (1x), Capablanca, Jose (1x), Fairhurst, William (1x), Olland, Adolf George (1x)

7.f5 — 0.8% (10 parties)

Ambassadeurs : Berg, Kenneth (1x), Tolnai, Tibor (1x), Zaremba, Andrie (1x), Moody, David W (1x), Schlachowitsch, Markus (1x), Kottwitz, Daniel (1x), Piquemal, Christianne (1x), Cruz-Lopez Claret, Carlos (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Na4	7.h3	7.Bb5	7.f5
<1800	42	69%	24%	5%	—
1800-2200	437	68%	25%	4%	1%
2200-2600	291	76%	18%	5%	0%
2600+	4	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Na4	7.h3	7.Bb5	7.f5
1870s	8	12%	75%	—	—
1880s	6	33%	50%	17%	—
1890s	10	10%	90%	—	—
1900s	35	34%	63%	3%	—
1910s	16	75%	25%	—	—
1920s	30	43%	53%	3%	—
1930s	3	33%	67%	—	—
1940s	12	75%	25%	—	—
1950s	13	69%	31%	—	—
1960s	12	42%	50%	8%	—
1970s	21	48%	48%	—	—
1980s	48	77%	17%	—	2%
1990s	257	61%	31%	3%	1%
2000s	341	64%	24%	7%	2%
2010s	308	76%	19%	3%	—
2020s	70	73%	24%	3%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Na4	76%	73%	▼ -3.4%
7.h3	19%	24%	▲ +4.8%
7.Bb5	3%	3%	-0.1%
7.f5	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie

Parties historiques

7.Na4 — 65.0% (773 parties)

1877 — Zukertort, Johannes vs Anderssen, Adolf — 0-1 — Leipzig GER
1880 — Riemann, Fritz vs Schallopp, Emil — 1/2-1/2 — Berlin GER
1888 — Gattie, Walter Montague vs Pollock, William — 1-0 — London ENG
1892 — Michaelson, M. vs Schwan, Wilhelm — 1-0 — cr.
1901 — Brussels vs Azuaje Paris, Jose Ignacio — 1/2-1/2 — cr.

7.h3 — 27.9% (332 parties)

1876 — Riemann, Fritz vs Anderssen, Adolf — 1/2-1/2 — Breslau GER
1876 — Chigorin, Mikhail vs Ascharin, Andreas — 0-1 — St Petersburg RUS
1878 — Chigorin, Mikhail vs Emmanuel Schiffers — 1-0 — St Petersburg RUS
1878 — Chigorin, Mikhail vs Schiffers, Emanuel — 1-0 — St Petersburg RUS
1878 — Clerc, Albert vs Pitschel, Karl — 1-0 — Paris FRA

7.Bb5 — 3.8% (45 parties)

1887 — Fritz, Alexander vs Blackburne, Joseph — 1/2-1/2 — Frankfurt GER
1903 — Olland, Adolf George vs Esser, Jan — 1-0 — Utrecht m
1922 — Capablanca, Jose vs Fairhurst, William — 1-0 — Castleton
1968 — Jimenez Zerquera, Eleazar vs Estrada Degrandi, Walter — 1-0 — Santa Clara CUB
1990 — Borg, Geoffrey vs Law Wei Seng — 1-0 — Leighton op

7.f5 — 0.8% (10 parties)

1988 — Berg, Kenneth vs Tolnai, Tibor — 0-1 — Berlijn open
1997 — Zaremba, Andrie vs Moody, David W — 0-1 — Lansing
1997 — Schlachowitsch, Markus vs Kottwitz, Daniel — 0-1 — Baunatal GER
1998 — Piquemal, Christianne vs Cruz-Lopez Claret, Carlos — 0-1 — FRA
2001 — Krifa, Najla vs Mechergui Awatif — 0-1 — Tunis TUN

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