C86d — Spanish: Worrall Attack, 7…d6 8.c3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 8.c3 * ● Trait aux Noirs

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. Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte 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	● b2→c3, d2→c3	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 7)
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	● c3-c4, ● d2-d3	● …d6-d5

Partie
1908 Vienna – Round 14 – Reti, Richard – 0-1 – Spielmann, Rudolf – G141 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. Rd1 O-O 10. d4 exd4
1909 Ch (Men) Leiden NED – Round 1 – Speijer, Abraham – 1/2-1/2 – Loman, Rudolf – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. Rd1 O-O 10. d4 Qc8
1921 DSB-21.Kongress – Round 8 – Schories, Georg – 1-0 – Ahues, Carl – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1922 Teplitz-Schoenau – Round 13 – Reti, Richard – 1/2-1/2 – Gruenfeld, Ernst – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1923 Northern Counties Premier – Round 5 – Yates, Frederic D – 1-0 – Thomas, George Alan – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 d6 7. c3 Be7 8. O-O Na5 9. Bc2 c5 10. d4 Qc7
1925 BCF Ch 18th – Round 5 – Yates, Fred Dewhirst – 1-0 – Uber, Henry Bernard – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1927 Hastings2728 – Round ? – Thomas, George Alan – 0-1 – Steiner, Lajos – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1927 London Olympiad 1st – Round 7.12 – Yates, Frederic D – 0-1 – Kmoch, Hans – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bb3 d6 8. O-O Na5 9. Bc2 c5 10. d4 Qc7
1929 Barcelona Barcelona ESP – Round 1 – Yates, Frederic D – 1-0 – Golmayo Torriente, Manuel – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. Rd1 Qc7
1930 Liege – Round 2 – Thomas, George Alan – 1-0 – Rubinstein, Akiba – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1930 Scarborough – Round 7 – Thomas, George Alan – 1/2-1/2 – Michell, Reginald – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1931 Trebitsch mem14 – Round 11 – Steiner, Lajos – 0-1 – Gruenfeld, Ernst – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1932 Bad Sliac – Round 1 – Treybal, Karel – 0-1 – Vidmar, Marjeta – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1932 BCF Ch 25th – Round 11 – Thomas, George Alan – 1-0 – Tylor, Theodore Henry – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1934 Syracuse – Round ? – Reinfeld, Fred – 1/2-1/2 – Reshevsky, Samuel – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. a4 O-O 10. Rd1 d5
1934 Syracuse – Round ? – Reinfeld, Fred – 1/2-1/2 – Reshevsky, Samuel – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. a4 O-O 10. Rd1 d5
1934 Syracuse – Round 14 – Fine, Reuben – 1/2-1/2 – Reshevsky, Samuel – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1934 Ujpest – Round 1 – Joyeux Steiner, Gael – 1-0 – Vidmar Milan – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. Rd1 Qc7
1934 Ujpest – Round 1 – Thomas, George Alan – 1/2-1/2 – Vidmar Milan – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1936 Muenchen ol – Round 1 – Stoltz, Gösta – 1-0 – Zinner, Emil – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1936 Olympiad (unofficial) – Round 19 – Book, Eero – 1-0 – Geshev G – G132 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 Nc6
1937 Stockholm ol – Round 10 – Kashdan, Isaac – 1-0 – Zinner, Emil – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 O-O
1937 Stockholm ol – Round 16 – Steiner, Endre – 0-1 – Asgeirsson Jonasson, Gabriel Rosi – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. Rd1 O-O 10. h3 Bh5
1938 Argentina – Round 12 – Carballo Madrigal, Fabian – 0-1 – Pilnik, Herman – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 d6 7. c3 b5 8. Bb3 Na5 9. Bc2 c5 10. d4 Qc7
1938 Argentina – Round 15 – Benko, Francisco – 0-1 – Pilnik, Herman – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1939 Buenos Aires ol f-A – Round 11 – Gromer, Aristide – 1-0 – Poulsen, Christian – G216 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 Nc6
1939 Buenos Aires ol f-B – Round 2 – Diaz Perez, Jaime – 0-1 – Hounie Fleurquin, Carlos – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 Bg4 10. d3 O-O
1939 Buenos Aires ol f-B – Round 7 – Neikirkh, Oleg – 0-1 – Hounie Fleurquin, Carlos – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1939 Buenos Aires ol f-B – Round 9 – Pinzon Solis, Felipe – 1/2-1/2 – Hounie Fleurquin, Carlos – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1939 Buenos Aires ol prel-B – Round 4 – Becker, Albert – 1-0 – Roux-Cabral, Luis – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1939 Prague olm qual – Round 1 – Pelikán, Jiří – 1/2-1/2 – Schubert, Florian – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1939 Ventnor City – Round 10 – Hanauer, Milton Loeb – 1-0 – Santasiere, Anthony – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1940 New York ch-USA – Round 2 – Seidman, Herbert – 1-0 – Adams, Weaver – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1943 Madrid – Round 3 – Keres, Paul Petrovich – 1/2-1/2 – Saemisch, Friedrich – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. h3 Bh5 10. d3 Qc8
1947 Aalborg – Round 1 – Poulsen, Christian – 1/2-1/2 – Sorensen, Tage – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. O-O Bg4 9. Rd1 Na5 10. d4 Nxb3
1947 Hilversum – Round 2 – Euwe, Max – 0-1 – J J van Oosterwijk Bruyn – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1949 Leningrad – Round 12 – Dubinin, Peter – 0-1 – Taimanov, Mark E – G90 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. h3 Bh5 10. d3 O-O
1949 Stevenson Mem SCCU Ch – Round 4 – Thomas, George Alan – 1/2-1/2 – Aitken, James – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Qe2 b5 7. Bb3 Be7 8. c3 Na5 9. Bc2 c5 10. d3 O-O
1950 Southsea – Round 8 – Bisguier, Arthur B – 1-0 – Penrose, Justin – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. O-O Na5 9. Bc2 c5 10. d4 Qc7
1952 Helsinki olm – Round 1 – Keres, Paul Petrovich – 1-0 – Tarnowski, Alfred – G166 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. a4 b4
1952 Helsinki olm – Round 1 – Lokvenc, Josef – 1/2-1/2 – Aleman Dovo, Miguel – G243 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 O-O
1952 Rio de Janeiro – Round 16 – Cruz, Walter – 1/2-1/2 – Mangini, Jose Henrique de Mello – G92 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1954 Stockholm – Round 1 – Sterner, Olof – 1-0 – Skold, Kristian – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1955 CSR Ch – Round 5 – Sefc, Jan – 1-0 – Urbanec, Karel – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1956 New York Rosenwald – Round ? – Mednis, Edmar J – 1-0 – Turner, Abe J – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1957 Sombor – Round 1 – Rabar, Braslav – 1-0 – Puc, Stojan – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 O-O
1957 WchT U26 04th – Round 6.2 – Mednis, Edmar J – 1-0 – Ravn, Palle – G75 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1959 CSR Ch – Round 15 – Fichtl, Jiri – 1-0 – Ivanco, Imrich – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. a4 b4
1959 Hastings5960 – Round 9 – Kottnauer, Cenek – 1/2-1/2 – Gligorić, Svetozar – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1959 New York ch-USA – Round 3 – Mednis, Edmar J – 1/2-1/2 – Bisguier, Arthur B – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. c3 Be7 8. Qe2 Na5 9. Bc2 c5 10. h3 O-O
1962 New York ch-USA – Round 3 – Mednis, Edmar J – 1-0 – Rossolimo, Nicolas – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. d3 h6 10. Rd1 Na5
1963 Amsterdam – Round 3 – Ree, Hans – 0-1 – Zuidema, Coen – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1963 Hastings6364 – Round 6 – Bely, Matthieu – 0-1 – Lengyel, Laszlo – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Bg4 9. a4 b4 10. Qc4 Na5
1963 Reggio Emilia 6364 06th – Round 7 – Siveri, Armando – 1-0 – Bonfioli, Marco – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. O-O Na5 9. d4 Nxb3 10. axb3 Bg4
1963 Telnice/Usti – Round ? – Augustin, Josef – 0-1 – Novak, Ervin – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. a4 Bd7
1965 It (Men) Budapest HUN – Round 1 – Filipowicz, Andrzej – 1-0 – Toth, Bela – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 O-O
1966 Clare Benedict Cup 13th – Round 3 – Kupper, Josef – 0-1 – Robatsch, Karl – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. Rd1 Qc7
1966 Den Haag zt – Round 3 – Conrady, Alphonse – 0-1 – Gligorić, Svetozar – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 O-O
1966 La Habana olm prel – Round 7 – Villarroel, Geber – 0-1 – Zuidema, Coen – G114 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1968 CSR Team Ch Harrachov – Round 7 – Hlousek, Zdenek – 1/2-1/2 – Novak, Ervin – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1969 Leeuwarden ch-NED – Round 6 – Cuijpers, Frans Andre – 0-1 – Zuidema, Coen – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bb3 d6 8. O-O Na5 9. Bc2 c5 10. d4 Qc7
1969 Raach zt – Round 1 – Westerinen, Heikki M.J. – 0-1 – Smejkal, Jakub – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
Amber-blind 3rd 1994 – Round 3 – Kamsky, Gata – 1-0 – Piket, Jeroen – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. c3 Bg4 9. Rd1 O-O 10. h3 Bh5
Amber-rapid 5th 1996 – Round 8 – Anand, Viswanathan – 1/2-1/2 – Piket, Jeroen – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 O-O
World Blitz 2007 – Round 10 – Adams, Michael – 1/2-1/2 – Korotylev, Alexey – G97 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. c3 Na5 9. Bc2 c5 10. Rd1 Qc7
World Blitz 2007 – Round 32 – Adams, Michael – 0-1 – Kamsky, Gata – G314 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. c3 Bg4 9. d3 Na5 10. Bc2 c5

C86d — Worrall Attack

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 8.c3

Eval: [+0.18]

Les coups candidats

8…O-O — 67.9% (1158 parties) →

Ambassadeurs : Alekhine, Alexander (9x), Kaminski, Marcin (7x), Tiviakov, Sergei (7x), Keres, Paul (6x), Marjanovic, Slavoljub (6x), Van Riemsdijk, Herman C. (6x), Keres, Paul Petrovich (5x), Mathes, Werner (5x)

8…Na5 — 20.0% (342 parties)

Ambassadeurs : Thomas, George Alan (7x), Hounie Fleurquin, Carlos (4x), Mednis, Edmar J (4x), Yates, Frederic D (3x), Euwe, Max (3x), Neikirkh, Oleg (3x), Czebe, Attila (3x), Hackbarth, Wolfgang (3x)

8…Bg4 — 11.2% (191 parties)

Ambassadeurs : Smirin, Ilia (3x), Reinfeld, Fred (2x), Reshevsky, Samuel (2x), Bagirov, Vladimir (2x), Egido Fernandez, Fernando (2x), Lain, Luigi (2x), Civan, Ethan D (2x), Smiley, William R. (2x)

8…Bb7 — 0.6% (10 parties)

Ambassadeurs : Mogranzini, Roberto (1x), Bellemo, Davide (1x), Vila Fernandez, Miguel (1x), Campos Soler, Moises (1x), Jurcik, Marian (1x), Vanhara, Petr (1x), Shkuran, Danylo (1x), Parol, Maciej (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…O-O	8…Na5	8…Bg4	8…Bb7
<1800	43	70%	16%	7%	7%
1800-2200	566	67%	17%	15%	1%
2200-2600	626	76%	17%	7%	0%
2600+	23	61%	13%	26%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…O-O	8…Na5	8…Bg4	8…Bb7
1900s	2	—	—	100%	—
1910s	6	67%	17%	17%	—
1920s	21	48%	48%	5%	—
1930s	34	24%	68%	9%	—
1940s	32	53%	34%	12%	—
1950s	79	54%	37%	6%	—
1960s	83	59%	33%	8%	—
1970s	44	68%	23%	9%	—
1980s	48	75%	17%	6%	—
1990s	364	70%	18%	12%	—
2000s	431	71%	15%	13%	1%
2010s	498	71%	17%	10%	1%
2020s	64	72%	14%	12%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…O-O	71%	72%	▲ +1.2%
8…Na5	17%	14%	▼ -3.4%
8…Bg4	10%	12%	▲ +2.1%
8…Bb7	1%	2%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Euwe, Max — 4 parties
Anand, Viswanathan — 4 parties
Lasker, Emanuel — 1 partie
Botvinnik, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8…O-O — 67.9% (1158 parties)

1910 — Thoenes vs Barasz, Zsigmond — 1-0 — Hamburg GER
1912 — Freiman, Andy vs Salwe, Georg — 1-0 — RUS-ch Vilnius LTU
1919 — Reti, Richard vs Van Hoorn, Casper — 1-0 — Amsterdam VAS
1919 — Jaffe, Charles vs Chajes, Oscar — 1/2-1/2 — Troy
1922 — Reti, Richard vs Rubinstein, Akiba — 0-1 — Vienna AUT

8…Na5 — 20.0% (342 parties)

1917 — Reti, Richard vs Lasker, Emanuel — 1/2-1/2 — HUN
1921 — Schories, Georg vs Ahues, Carl — 1-0 — Hamburg GER
1922 — Reti, Richard vs Gruenfeld, Ernst — 1/2-1/2 — Teplitz-Schoenau GER
1923 — Yates, Frederic D vs Thomas, George Alan — 1-0 — Liverpool
1925 — Saemisch, Friedrich vs Grammatikoff, Josef — 1-0 — Berlin GER

8…Bg4 — 11.2% (191 parties)

1908 — Reti, Richard vs Spielmann, Rudolf — 0-1 — Vienna AUT
1909 — Speijer, Abraham vs Loman, Rudolf — 1/2-1/2 — Leiden NED
1911 — Thoenes vs Villaret Oset, Abril — 1-0 — Cologne GER
1929 — Purdy, Cecil J S vs Crowl, Frank Arthur — 0-1 — Sydney AUS
1934 — Reinfeld, Fred vs Reshevsky, Samuel — 1/2-1/2 — Syracuse

8…Bb7 — 0.6% (10 parties)

2003 — Mogranzini, Roberto vs Bellemo, Davide — 1-0 — Bratto ITA
2003 — Vila Fernandez, Miguel vs Campos Soler, Moises — 1-0 — Alzira
2008 — Jurcik, Marian vs Vanhara, Petr — 1-0 — Stare Mesto CZE
2011 — Krca, Milan vs Burianek, Petr — 1-0 — Tatranske Zruby SVK
2012 — Shkuran, Danylo vs Parol, Maciej — 1-0 — Lublin POL

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →