C86c — Spanish: Worrall Attack, 7…d6

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 * ○ 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 la case forte d5, un fou actif en b3 et la paire de fous.

Côté adverse. Les fous enfermés en e7 et c8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nbd2 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes d4 et g4 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Na5 (Attaquer Bb3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● d4 (2v1), ● g4 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (2v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 5)
Be7		● Be7 Enfermé (mob. 1)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	3 (c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c3, ● d2-d3	● …d6-d5

Partie
1904 DSB-14.Kongress – Round 10 – Wolf Heinrich – 1/2-1/2 – D Marco, Gianni – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Rb8 10. axb5 axb5
1904 DSB-14.Kongress – Round 12 – Wolf Heinrich – 0-1 – Suechting, Hugo – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Rb8 10. axb5 axb5
1905 Ostende – Round 23 – Wolf, Hans-Josef – 1/2-1/2 – Taubenhaus, Jean – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1911 Karlsbad – Round 1 – Fahrni, Hans – 1-0 – Perlis, Julius – G188 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. a4 Rb8 9. axb5 axb5 10. Nc3 Bg4
1927 Kecskemet f I – Round 2 – Alekhine, Alexander – 1/2-1/2 – Asztalos, Lajos – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 O-O
1927 London Olympiad 1st – Round 9.63 – Weenink, Henri – 1-0 – Jacobson, Ernst – G96 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 b4 9. Qc4 Qd7 10. Qxf7+ Kd8
1928 Bad Kissingen – Round 10 – Euwe, Max – 0-1 – Yates, Frederic D – G55 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. c3 O-O 10. axb5 axb5
1931 Praag olm – Round 6 – Kashdan, Isaac – 1-0 – Gruenfeld, Ernst – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1931 Prague ol – Round 11 – Kashdan, Isaac – 1-0 – Christoffersen, Heri – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1933 Ebensee – Round 3 – Spielmann, Rudolf – 1-0 – Kunert, Helmut – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 Bd7
1935 Moscow – Round 7 – Lasker, Emanuel – 1/2-1/2 – Rabinovich, Ilya Mar – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1936 Podebrady – Round ? – Steiner, Lajos – 1/2-1/2 – Treybal, Karel – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. Nc3 Bg4
1937 Budapest – Round ? – Steiner, Endre – 1-0 – Gereben, Erno – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. Nc3 Bg4
1937 Kemeri – Round 1 – Book, Eero – 1-0 – Berg, Terje Jensen – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. axb5 axb5
1937 Moskou Ch – Round ? – Chistiakov, Alexander – 1/2-1/2 – Panov, Vasily – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 b4 9. Qc4 d5 10. Qxc6+ Bd7
1937 Stockholm ol – Round 6 – Book, Eero – 0-1 – Aczel Szabo, Janos – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 Bg4
1937 Stockholm ol (Men) – Round 8 – Steiner, Endre – 1/2-1/2 – Zinner, Emil – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. a4 Rb8 9. axb5 axb5 10. c3 Bg4
1938 AVRO – Round 1 – Fine, Richard Alvaro Adrien – 0-1 – Keres, Paul – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. axb5 axb5
1938 Margate – Round 1 – Book, Eero – 1-0 – Alexander, Conol Hugh – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. axb5 axb5
1938 New York m ch-USA – Round 9 – Kashdan, Isaac – 1/2-1/2 – Horowitz, Albert Israel – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1939 Kemeri / Riga – Round 1 – Book, Eero – 1-0 – Bezruchko, Georgs – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bd7 9. c3 Na5 10. Bc2 c5
1939 USA Ch New York, NY USA – Round 1 – Fine, Reuben – 1-0 – Santasiere, Anthony – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Rb8 10. h3 Bxf3
1940 New York ch-USA – Round 13 – Kashdan, Isaac – 0-1 – Reshevsky, Samuel – G76 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1940 Ventnor City – Round 11 – Seidman, Herbert – 1-0 – Woliston, Philip – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 b4 9. Bxf7+ Kxf7 10. Qc4+ d5
1941 New York State CA – Round 10 – Seidman, Herbert – 1/2-1/2 – Reshevsky, Samuel – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1941 New York State CA – Round 8 – Seidman, Herbert – 0-1 – Kashdan, Isaac – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. Rd1 b4
1942 Salzburg – Round 7 – Alekhine, Alexander – 1-0 – Schmidt, Pascal – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. Rd1 b4
1942 Verenigde Staten m ch-USA – Round 8 – Kashdan, Isaac – 1/2-1/2 – Reshevsky, Samuel – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1944 La Plata Jockey Club – Round 4 – Michel, Paul – 1-0 – Villegas, Benito – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. Rd1 Na5
1944 La Plata Jockey Club – Round 4 – Sanguinetti, Renato – 1-0 – Graf-Stevenson, Sonja – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. d3 Na5
1944 Ventnor City – Round 5 – Rauch, Joseph Lyon – 1-0 – Shainswit, George – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1945 Mar del Plata – Round 7 – Acebey Michel, Veroska – 1-0 – Pilnick, Carl – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. Rd1 d5
1945 Novi Sad – Round 5 – Neikirkh, Oleg – 1/2-1/2 – Trifunovic, Petar – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1945 Novi Sad – Round 9 – Neikirkh, Oleg – 1/2-1/2 – Vukovic, Sava – G109 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1946 Mar del Plata – Round 5 – Reinhardt, Enrique – 0-1 – Bolbochan, J. – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. h3 O-O 9. c3 Na5 10. Bc2 c5
1946 Pittsburgh Open – Round 1 – Bisguier, Arthur B – 1-0 – Adams, Weaver – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1948 Hastings4849 – Round 1 – Wade, Robert G – 0-1 – Koenig, Imre – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1948 US Open Baltimore, MD USA – Round 10 – Colon Romero, Arturo – 0-1 – Steinmeyer, Robert – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. h3 Na5 9. c3 Nxb3 10. axb3 c5
1948 US Open Baltimore, MD USA – Round 8 – Kashdan, Isaac – 1/2-1/2 – Adams, Weaver – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1949 Moskou ch-URS – Round 11 – Keres, Paul – 0-1 – Furman, Slavomir – G155 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1949 URS Ch, semi final – Round 12 – Chistiakov, Alexander – 1-0 – Petrosian, Tigran V – G91 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. Rd1 b4
1950 Dubrovnik olm – Round 5 – Nielsen, Hartvig – 0-1 – Donner, Jan-Hein – G66 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 Be6
1950 Venice – Round 1 – Pachman, Ludek – 1/2-1/2 – Rossolimo, Nicolas – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. d3 Na5
1952 Helsinki olm – Round 1 – Arnlaugsson, Gudmundur – 0-1 – Vasconcellos, Fernando O – G246 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7
1954 Hollywood Open – Round 1 – Kashdan, Isaac – 1-0 – Ulvestad, Olaf – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bd7 9. c3 O-O 10. d4 b4
1954 Prague zt – Round 4 – Pachman, Ludek – 1-0 – Kluger, Gyula – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. d3 Na5
1955 Gothenburg Interzonal – Round 8 – Keres, Paul Petrovich – 1-0 – Pachman, Ludek – G76 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1955 Hungary Ch – Round 1 – Florian, Tibor – 1/2-1/2 – Hajtun, Jozsef – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. h3 O-O 9. c3 Be6 10. d4 Bxb3
1956 Candidats Tournament – Round 13 – Keres, Paul Petrovich – 1/2-1/2 – Szabo, Laszlo – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1956 CSR Ch – Round 11 – Fichtl, Jiri – 1-0 – Blatny, Frantisek – G101 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. a4 Rb8 9. axb5 axb5 10. c3 O-O
1956 JUG-URS – Round ? – Keres, Paul Petrovich – 1-0 – Rabar, Braslav – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1956 Moscow olm prel – Round 3 – Szabo, Ladislav – 1/2-1/2 – Cuellar Gacharna, Miguel – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1956 Moscow olm prel – Round 4 – Karaklajic, Nikola – 1-0 – Momo, Suren – G135 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 O-O
1957 Bratislava – Round 3 – Sefc, Jan – 0-1 – Blatny, Frantisek – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 O-O
1957 CSR Ch – Round 6 – Fichtl, Jiri – 1/2-1/2 – Kozma, Julius – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1957 HUN-JUG m – Round ? – Karaklajic, Nikola – 1/2-1/2 – Bely, Miklos – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1957 JUG Ch – Round 11 – Rabar, Braslav – 0-1 – Vukcevich, Milan – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1957 Mar del Plata – Round 16 – Keres, Paul – 1-0 – Mangini, Jose Henrique de Mello – G138 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 O-O
1957 Sombor – Round 5 – Karaklajic, Nikola – 1/2-1/2 – Puc, Stojan – G64 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1957 Sombor – Round 6 – Milic, Borislav – 1-0 – Janosevic, Dragoljub – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bb7 9. c3 O-O 10. d4 Nd7
1958 HUN Ch 13th – Round 18 – Varnusz, Egon – 1/2-1/2 – Barcza, Gedeon – G154 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1959 Marianske Lazne – Round 2 – Rabar, Braslav – 1/2-1/2 – Blatny, Frantisek – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1960 Buenos Aires – Round 13 – Unzicker, Wolfgang – 1/2-1/2 – Eliskases, Erich – G140 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1961 Clare Benedict Cup 08th – Round 3.2 – Littlewood, John E – 1/2-1/2 – Norcia, Federico – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1961 CSR Ch sf – Round 12 – Blatny, Frantisek – 1/2-1/2 – Crha, Josef – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. c3 Bg4
1961 GBR Ch 48th – Round 9.5 – Lloyd, David Edward – 0-1 – Aitken, James – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 d6 6. O-O b5 7. Bb3 Be7 8. a4 Bd7 9. c3 Na5 10. Bc2 c5
1962 Varna ol (Men) qual-A – Round 3 – Limbos, Paul – 1-0 – Buskenstrom, Sven – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bd7 9. c3 Na5 10. Bc2 c5
1962 Varna olm – Round 5 – Limbos, Patrick – 1/2-1/2 – Hecht, Hans-Joachim – G238 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Na5 10. Bc2 c6
1962 Varna olm – Round 6 – Olafsson, Fridrik – 1-0 – Etcheverry, Eduardo – G160 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1962 Whitby ch-BCF – Round 1 – Gibbs, Peter Campbell – 1-0 – Abrahams, Gerald – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Na5 9. axb5 Nxb3 10. cxb3 Bb7
1963 Belgrade – Round 1 – Ciric, Dimitrije – 1-0 – Tomovic, Vasilje – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1963 Liberation – Round 1 – Ciric, Dimitrije – 1-0 – Bykhovsky, Anatoly – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 b4 10. a5 O-O
1963 Telnice/Usti – Round ? – Smejkal, Jan – 0-1 – Novak, Ervin – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. d3 Na5
1964 Bordeaux Open – Round 6 – Limbos, Paul – 1/2-1/2 – Rolland, Pierre – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1964 HUN-YUG – Round 1.7 – Ciric, Dragoljub M – 1/2-1/2 – Forintos, Gyozo V – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1964 Moscow RUS – Round ? – Klovsky, Rafail – 1-0 – Nezhmetdinov, Rashid – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1965 Marianske Lazne – Round 12 – Fuchs, Reinhart – 1/2-1/2 – Jimenez Zerquera, Eleazar – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1965 Rubinstein Memorial – Round 13 – Filipowicz, Andrzej – 1/2-1/2 – Vasiukov, Evgeni – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bxf3
1966 Bucharest Bucharest ROM – Round 2 – Bednarski, Jacek B – 1-0 – Haro Garcia, Gilberto – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. a4 b4 9. Qc4 d5 10. Qxc6+ Bd7
1966 Rzeszow ch POL – Round 15 – Grabczewski, Romuald – 1/2-1/2 – Ziembinski, Marian – G105 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bh5
1966 Rzeszow ch POL – Round 6 – Filipowicz, Andrzej – 1-0 – Lachut, Jan – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Na5 10. Bc2 c6
1966 Yugoslavia – Round 1 – Buljovcic, Ivan – 1/2-1/2 – Ivkov, Borislav – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1967 Maribor – Round 9 – Unzicker, Wolfgang – 1/2-1/2 – Matanovic, Aleksandar – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1967 POL Team Ch 20th – Round 7 – Grabczewski, Romuald – 1-0 – Borchardt, Adam – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Na5 10. Bc2 c6
1968 CSR Ch – Round 8 – Hlousek, Zdenek – 0-1 – Smejkal, Jan – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 b4 10. Bxf7+ Kxf7
1968 Netanya-A – Round 12 – Bernstein, Yaacov – 0-1 – Kraidman, Yair – G75 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. a4 Rb8 9. axb5 axb5 10. h3 O-O
1968 Netanya-A – Round 3 – Bernstein, Yaacov – 1/2-1/2 – Porath, Yosef – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. a4 Bg4 9. c3 O-O 10. h3 Na5
1968 POL Ch 25th – Round 6 – Grabczewski, Romuald – 1-0 – Bernard, Ryszard – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 Na5 10. Bc2 c6
1968 Skopje/Ohrid – Round 1 – Ilievski, Dimitar – 1/2-1/2 – Matanovic, Aleksandar – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. axb5 axb5
1972 Skopje ol (Men) fin-A – Round 8 – Filipowicz, Andrzej – 1/2-1/2 – Vogt, Lothar – G313 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bg4 9. c3 O-O 10. h3 Bd7

C86c — Worrall Attack

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6

Eval: [+0.20]

Les coups candidats

8.c3 — 72.2% (1241 parties) →

Ambassadeurs : Alekhine, Alexander (10x), Keres, Paul Petrovich (8x), Kaminski, Marcin (8x), Thomas, George Alan (7x), Reti, Richard (7x), Mednis, Edmar J (7x), Smirin, Ilia (7x), Keres, Paul (6x)

8.a4 — 22.6% (388 parties)

Ambassadeurs : Kashdan, Isaac (9x), Tiviakov, Sergei (8x), Chistiakov, Alexander (6x), Seidman, Herbert (5x), Reshevsky, Samuel (5x), Limbos, Paul (5x), Filipowicz, Andrzej (5x), Da Silva Filho, Alcindo Luz Bastos (5x)

8.h3 — 4.5% (77 parties)

Ambassadeurs : Reshevsky, Samuel (2x), Colon Romero, Arturo (1x), Steinmeyer, Robert (1x), Reinhardt, Enrique (1x), Bolbochan, J. (1x), Carver Motto, Javier George (1x), Ledain, Dudley M (1x), Rivise, Irving (1x)

8.d3 — 0.2% (4 parties)

Ambassadeurs : Melville, Alan G (1x), Eynon, David (1x), Pretorius, Mignon (1x), Malan Katherine (1x), Scekic, Veljko (1x), Karisik, Nenad (1x), Lim, Teng Soon (1x), Hendra, Johan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.c3	8.a4	8.h3	8.d3
<1800	25	84%	8%	4%	—
1800-2200	481	76%	17%	6%	—
2200-2600	568	84%	14%	2%	—
2600+	17	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.c3	8.a4	8.h3	8.d3
1870s	1	—	100%	—	—
1900s	7	29%	71%	—	—
1910s	7	57%	43%	—	—
1920s	25	76%	20%	4%	—
1930s	58	53%	47%	—	—
1940s	64	45%	48%	6%	—
1950s	122	53%	44%	2%	—
1960s	138	54%	43%	1%	—
1970s	70	57%	39%	4%	—
1980s	60	62%	27%	12%	—
1990s	334	83%	12%	4%	0%
2000s	391	77%	16%	6%	1%
2010s	394	81%	13%	6%	—
2020s	47	89%	11%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.c3	81%	89%	▲ +8.1%
8.a4	13%	11%	▼ -2.3%
8.h3	6%	0%	▼ -5.6%
8.d3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Euwe, Max — 6 parties
Karpov, Aleksandr — 3 parties
Anand, Viswanathan — 3 parties
Lasker, Emanuel — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8.c3 — 72.2% (1241 parties)

1908 — Reti, Richard vs Spielmann, Rudolf — 0-1 — Vienna AUT
1909 — Speijer, Abraham vs Loman, Rudolf — 1/2-1/2 — Leiden NED
1910 — Thoenes vs Barasz, Zsigmond — 1-0 — Hamburg GER
1917 — Reti, Richard vs Lasker, Emanuel — 1/2-1/2 — HUN
1919 — Reti, Richard vs Van Hoorn, Casper — 1-0 — Amsterdam VAS

8.a4 — 22.6% (388 parties)

1873 — Bird, Henry vs Wisker, John — 1-0 — London ENG
1904 — Wolf Heinrich vs D Marco, Gianni — 1/2-1/2 — Coburg
1904 — Wolf Heinrich vs Suechting, Hugo — 0-1 — Coburg
1905 — Tartakower, Savielly vs Schelfhout, Willem — 1/2-1/2 — Ostend BEL
1905 — Wolf, Hans-Josef vs Taubenhaus, Jean — 1/2-1/2 — Ostende

8.h3 — 4.5% (77 parties)

1924 — Carver Motto, Javier George vs Ledain, Dudley M — 0-1 — Hamilton
1942 — Aubry Levy, Leonard vs Reshevsky, Samuel — 0-1 — New York ch-USA
1944 — Rivise, Irving vs Reshevsky, Samuel — 0-1 — New York, NY USA
1946 — Reinhardt, Enrique vs Bolbochan, J. — 0-1 — Mar del Plata ARG
1948 — Colon Romero, Arturo vs Steinmeyer, Robert — 0-1 — US op Baltimore, MD USA

8.d3 — 0.2% (4 parties)

1996 — Melville, Alan G vs Eynon, David — 1/2-1/2 — Edinburgh SCO
2002 — Pretorius, Mignon vs Malan Katherine — 1-0 — Cape Town RSA
2004 — Scekic, Veljko vs Karisik, Nenad — 1-0 — Bijelo Polje
2006 — Lim, Teng Soon vs Hendra, Johan — 0-1 — Kuala Lumpur MAS

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