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 Ok (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-d4	● …d6-d5

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

Plans. Bc2 (Anticiper ...Na5 — 30 % des parties) ; d4 (Occuper le centre — 21 % des parties) ; Rd1 (19 % des parties) ; h3 (Empêcher ...Bg4 — 11 % des parties) ; a4 (10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 61 % des parties) ; ...Na5 (Attaquer Bb3 — 30 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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 — Spanish: Worrall Attack (1908)

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

Les coups candidats

8…O-O — 69.5% (1132 parties) →

Ambassadeurs : Kaminski, Marcin (7x), Marjanovic, Slavoljub (6x), Mathes, Werner (5x), Blatny, Pavel (5x), Estrada Nieto, Julian (5x), Sokolov, Andrei (4x), Bagirov, Vladimir (3x), Spassky, Boris Vasily (3x)

8…Na5 — 18.4% (300 parties)

Ambassadeurs : Zuidema, Coen (3x), Czebe, Attila (3x), Gligoric, Sofija (2x), Novak, Ervin (2x), Weiss, Augustin (2x), Ree, Hans (2x), Sanz Aguado, Jose (2x), Bisguier, Arthur B (2x)

8…Bg4 — 11.2% (182 parties)

Ambassadeurs : Bagirov, Vladimir (2x), Flores, Adrian (1x), Sapre, Manoj R (1x), Bisguier, Arthur B (1x), Adulu Brandon (1x), Cleghorn, Peter (1x), Blohm, David (1x), Isenberg, J. (1x)

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	86	70%	16%	9%	5%
1800-2200	633	68%	17%	15%	1%
2200-2600	595	75%	17%	8%	0%
2600+	20	60%	15%	25%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…O-O	8…Na5	8…Bg4	8…Bb7
1950s	79	54%	37%	6%	—
1960s	84	58%	33%	8%	—
1970s	44	68%	23%	9%	—
1980s	49	78%	16%	6%	—
1990s	368	70%	18%	12%	—
2000s	432	72%	15%	13%	1%
2010s	501	71%	17%	10%	1%
2020s	72	71%	14%	14%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…O-O	71%	71%	+0.2%
8…Na5	17%	14%	▼ -3.5%
8…Bg4	10%	14%	▲ +3.5%
8…Bb7	1%	1%	+0.2%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 4 parties
Karpov, Anatoly — 2 parties
Hou, Yifan — 2 parties

Parties historiques

8…O-O — 69.5% (1132 parties)

1950 — Brinckmann, Alfred vs Saemisch, Friedrich — 1-0 — Hamburg GER
1950 — Dubinin, Peter vs Suetin, Alexey S — 1-0 — RFSFR Tch
1950 — Dubinin, Peter vs Levenfish, Grigory — 1-0 — Gorky
1951 — Budowski, Gerardo vs Choubey Saurabh — 0-1 — Caracas zt
1951 — Kljawinsch vs Ragozin, Alexander — 0-1 — Lvov UKR

8…Na5 — 18.4% (300 parties)

1950 — Bisguier, Arthur B vs Penrose, Jonathan — 1-0 — Southsea
1950 — Bobekov, Radko vs Neikirkh, Oleg — 0-1 — Sofia BUL
1952 — Cruz, Walter vs Mangini, Jose Henrique de Mello — 1/2-1/2 — Rio de Janeiro BRA
1952 — Lokvenc, Josef vs Aleman Dovo, Miguel — 1/2-1/2 — Helsinki olm
1952 — Pelikán, Jiří vs Skliar, Jaime — 1-0 — cr.

8…Bg4 — 11.2% (182 parties)

1954 — Wills, Aimee vs Hartleb, Glenn E — 1-0 — New Orleans, LA USA
1956 — Flores, Adrian vs Sapre, Manoj R — 1/2-1/2 — Moskou olm
1957 — Hruskova Belska, Nina vs Litmanowicz, Miroslawa — 1/2-1/2 — Krakow POL
1958 — Bagirov, Vladimir vs Khalilbeili — 0-1 — ?
1958 — Bagirov, Vladimir vs Xalilbeily — 0-1 — Baku AZE

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

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