C86k — Spanish: Worrall Attack, 7…O-O 8.c3 d5 9.d3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d5 9.d3 * ● 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 g5, un fou actif en b3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

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

Plans. Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; 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, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...Na5 (Attaquer Bb3) ; ...d4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d3→e4	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● g4 (2v0)
Cases faibles	—	● d5
Centre	—	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 5)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d3-d4	● …d5-d4

Partie
1932 Budapest – Round 1 – Lilienthal, Andor – 1-0 – Szigeti, Miklos – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d5 9. d3 Be6 10. Rd1 dxe4
1936 USA Ch New York, NY USA – Round 5 – Kashdan, Isaac – 0-1 – Hanauer, Milton Loeb – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Bg4 10. h3 Bh5
1942 Ventnor City – Round 7 – Donovan, Jeremiah – 0-1 – Bernstein, Sidney – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1944 Gijon – Round ? – Caballero Gallego, Luis – 0-1 – Medina-Garcia, Antonio – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Bg4 10. h3 Bh5
1946 Londen II – Round 5 – Bellod Thomas, Gonzalo – 0-1 – Lupi, Francisco – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d5 9. d3 d4 10. Bg5 Be6
1946 Pittsburgh Open – Round 1 – Bisguier, Arthur B – 0-1 – Steiner, Herman – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. Nbd2 Bg4
1946 Pittsburgh Open – Round 1 – Seidman, Herbert – 1-0 – Shipman, Walter – G81 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1947 Parnu – Round 1 – Keres Paul Petrovich – 1-0 – Lilienthal, Andor – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1947 Parnu – Round 4 – Keres, Paul – 1-0 – Lilienthal, Andor – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1948 Hastings4849 – Round 5 – Thomas, George Alan – 1-0 – Tylor, Theodore Henry – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1948 South Fallsburg ch-USA – Round 1 – Shipman, Walter – 1-0 – Almgren, Sven – G90 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 O-O 8. O-O d5 9. d3 Bg4 10. h3 Bxf3
1948 US Open – Round 6 – Bisguier, Arthur B – 0-1 – Pavey, Max – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 O-O 8. O-O d5 9. d3 d4 10. Nbd2 Nh5
1948 US Open – Round 6 – Hobson Jr, Eric H – 0-1 – Steiner, Herman – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1949 Hastings4950 – Round 7 – Horne, Dennis Morton – 1/2-1/2 – Euwe, Max – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Bg4 10. exd5 Nxd5
1949 URS Ch, semi final – Round 10 – Chistiakov, Alexander – 1/2-1/2 – Geller, Efim P – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d5 9. d3 Bg4 10. Bg5 d4
1950 FRG Ch – Round 9 – Teschner, Rudolf – 1/2-1/2 – Unzicker, Wolfgang – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1950 Schiavno Zdroj – Round 1 – Keres, Paul – 0-1 – Pytlakowski, Andrzej – G105 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1950 Wch women – Round ? – Tranmer, Eileen – 1-0 – Gresser, Gisela Kahn – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 O-O 8. O-O d5 9. d3 dxe4 10. dxe4 Bg4
1952 Budapest – Round 6 – Keres, Paul – 1-0 – Geller, Efim P – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Re8 10. Re1 Bb7
1952 Miedzyzdroje – Round 11 – Koch, Berthold – 0-1 – Balanel, Ion – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. h3 Re8
1953 GDR Ch Jena GER – Round 9 – Fuchs, Reinhart – 1-0 – Stelzner, Wolfgang – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. Nbd2 Be6
1953 Wch U20 qual-B – Round 7 – Farre Mallofre, Miguel – 1-0 – Darga, Klaus – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 O-O 8. c3 d5 9. d3 Bg4 10. Bg5 d4
1954 Hungary Ch – Round 1 – Szily, Jozsef – 1-0 – Szabo, Ladislav – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1955 DDR Ch 06th – Round 16 – Dorawa, Bernhard – 0-1 – Dittmann, Sieghart – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. h3 Bc5
1955 DDR-DEN – Round 2.2 – Pedersen, Eigil – 0-1 – Dittmann, Sieghart – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. a4 Rb8
1955 Hungary Ch – Round 1 – Bilek, Istvan – 1-0 – Jenei, Ferenc – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1955 Voros Lobogo – Round 2 – Lengyel, Levente – 1-0 – Berger, Bela – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1956 CSR Ch sf – Round 5 – Cucka, Josef – 1/2-1/2 – Dolezal, Jiri – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1956 CSR Ch sf Bratislava SVK – Round 7 – Weiner, Milan – 0-1 – Kozma, Julius – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. h3 dxc3
1956 Marianske Lazne/Praha – Round 8 – Ragozin, Viacheslav – 1-0 – Beni, Alfred – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 O-O 8. O-O d5 9. d3 d4 10. h3 Be6
1956 Moscow olm prel – Round 1 – Vestol, Aage – 0-1 – Padevsky, Nikola – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. Rd1 Be6
1958 BUL Ch – Round ? – Kadrev, Zdravko – 0-1 – Milev, Zdravko – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1959 Cerveny Kostelec – Round 6 – Blatny, Frantisek – 1/2-1/2 – Jansa, Vlastimil – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1959 Dresden – Round 6 – Karaklajic, Nikola – 1/2-1/2 – Witkowski, Stefan – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1959 Quilmes – Round 2 – Pelikán, Jiří – 0-1 – Garcia Rodriguez, Raimundo – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d5 9. d3 Re8 10. h3 Bb7
1960 Aalborg – Round 2 – Petersen, Finn – 0-1 – Nielsen, Hartvig – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. Nbd2 Bg4
1960 Leipzig olm prel – Round 8 – Jimenez Zerquera, Eleazar – 1-0 – Littleton, Michael F – G293 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. Bg5 Be6
1960 WchT U26 07th – Round 11 – Mednis, Edmar J – 1-0 – Blom Seppo – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1961 GBR Ch 48th – Round 6.5 – Lloyd, David Edward – 1/2-1/2 – Gibbs, Peter Campbell – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1961 USA Ch Open 62th – Round 11 – Bisguier, Arthur B – 1-0 – Lapiken, Peter Petrovich – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d5 9. d3 Qd6 10. Rd1 Be6
1962 Hoogovens – Round 2 – Bisguier, Arthur B – 1/2-1/2 – O'Kelly, Albéric de Galway – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Bg4 10. exd5 Na5
1962 Stockholm Interzonal – Round 17 – Bisguier, Arthur B – 0-1 – Geller, Efim P – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bb3 O-O 8. O-O d5 9. d3 Re8 10. Nbd2 Bf8
1962 Varna olm – Round 11 – Vinje, Arne – 1-0 – Alvarez del Monte, Jose – G459 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 O-O 8. c3 d5 9. d3 Bg4 10. exd5 Nxd5
1962 Whitby ch-BCF – Round 1 – Hilton, C. – 0-1 – Aabel Thomas Eapen – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 dxe4 10. dxe4 Bd6
1963 Budapest ch-HUN – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Kluger, Gyula – G159 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1963 CSR Ch – Round 5 – Blatny, Frantisek – 1-0 – Simek, Jakub – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1963 Reggio Emilia 6364 06th – Round 4 – Siveri, Armando – 0-1 – Teschner, Rudolf – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 dxe4 10. dxe4 Bd6
1964 Amsterdam Interzonal – Round 22 – Bilek, Istvan – 0-1 – Benko, Pal – G227 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Re8 10. Nbd2 Bb7
1964 Kecskemet zt – Round 1 – Tringov, Georgi P – 1-0 – Prameshuber, Alexander – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1965 DDR Ch 15th – Round 7 – Franz Alpizar, Tomas – 0-1 – Zinn, Lothar – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Bg4 10. h3 Bxf3
1965 Rubinstein Memorial – Round 8 – Grabczewski, Romuald – 1-0 – Acevedo Ortega, Rodrigo Andres – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Bg4
1966 Den Haag zt – Round 13 – Tringov, Georgi P – 1/2-1/2 – Durão, Joaquim Manuel – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1966 Santa Monica – Round 18 – Spassky, Boris V. – 1-0 – Donner, Jan-Hein – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d5 9. d3 d4 10. Rd1 Be6
1966 Zinnowitz Zinnowitz GER – Round 13 – Hennings, Artur – 0-1 – Nei, Iivo – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Re8 10. Nbd2 Bf8
1967 URS Team Ch – Round ? – Platonov, Igor V – 0-1 – Vinkel, Valery – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1967 Vrnjacka Banja zt – Round 13 – Zuidema, Coen – 1-0 – Bilyap, Siracettin – G92 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. cxd4 Nxd4
1969 Corr – Round ? – Maier, Georg – 1/2-1/2 – Heemsoth, Hermann – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. Nbd2 Be6
Amber Rapid 2005 – Round 9 – Ivanchuk, Vasyl – 0-1 – Leko, Peter – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 d4 10. h3 Bc5
Interpolis 1990 – Round 12 – Short, Nigel D – 1/2-1/2 – Nikolic, Predrag – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. Nbd2 Be6
Madrid 1994 – Round 1 – Tiviakov, Sergei – 1-0 – Sokolov , Ivan – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Qd6 10. Bg5 Be6
World Blitz 2017 – Round 15.17 – Bacrot, Etienne – 0-1 – Aronian, Levon – G772 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 Re8 10. Rd1 Be6

C86k — Worrall Attack

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d5 9.d3

Eval: [-0.19]

Les coups candidats

9…Bb7 — 34.1% (487 parties) →

Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (6x), Tiviakov, Sergei (6x), Short, Nigel D (6x), Munguntuul, Batkhuyag (5x), Barlov, Dragan (4x), Bokros, Albert (4x), Matikozian, Andranik (4x), De Groote, Ewoud (4x)

9…Re8 — 24.1% (344 parties)

Ambassadeurs : Tiviakov, Sergei (4x), Adams, Michael (4x), Da Silva Filho, Alcindo Luz Bastos (4x), Yamaliev, Vil Usbekovich (3x), Sidenko, Anatoly Viktorovich (3x), Monnisha G K (3x), Siefring, Carl L (3x), Bisguier, Arthur B (2x)

9…d4 — 15.2% (217 parties)

Ambassadeurs : Tiviakov, Sergei (5x), Baron Rodriguez, Jesus (4x), Lilienthal, Andor (3x), Keres, Paul (3x), Steiner, Herman (3x), Euwe, Max (3x), Zuidema, Coen (3x), Bernstein, Sidney (3x)

9…Bg4 — 10.5% (150 parties)

Ambassadeurs : De Coverly, Roger D (4x), Moody, David W (4x), Vass, Viktor (4x), Lengyel, Bela (3x), Pacey, Kevin (2x), Petras, Mike (2x), Semenova, Irina (2x), Bakiev, Diyor (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bb7	9…Re8	9…d4	9…Bg4
<1800	19	47%	26%	—	5%
1800-2200	394	31%	26%	10%	15%
2200-2600	683	41%	25%	13%	6%
2600+	38	45%	21%	21%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bb7	9…Re8	9…d4	9…Bg4
1910s	1	—	—	—	—
1920s	1	—	—	100%	—
1930s	2	—	—	—	50%
1940s	23	9%	—	52%	30%
1950s	48	6%	4%	58%	15%
1960s	50	—	14%	38%	28%
1970s	35	23%	29%	17%	14%
1980s	68	29%	32%	7%	21%
1990s	279	33%	25%	21%	13%
2000s	332	36%	28%	14%	11%
2010s	516	42%	24%	7%	5%
2020s	72	35%	24%	6%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bb7	42%	35%	▼ -7.7%
9…Re8	24%	24%	▼ -0.6%
9…d4	7%	6%	▼ -1.8%
9…Bg4	5%	6%	▲ +0.5%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 4 parties
Anand, Viswanathan — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

9…Bb7 — 34.1% (487 parties)

1947 — Niephaus, Walter vs Schmidt, Paul Felix — 0-1 — Kassel
1948 — Koshnitsky, Gregory vs Brask Sven — 1-0 — ?
1952 — Keres, Paul vs Geller, Efim P. — 1-0 — Budapest HUN
1954 — Rivise, Irving vs Madrid, Brixe Xander Navacilia — 1-0 — Los Angeles, CA USA
1958 — Kadrev, Zdravko vs Daskalov, Georgi — 1-0 — Sofia BUL

9…Re8 — 24.1% (344 parties)

1952 — Keres, Paul vs Geller, Efim P. — 1-0 — Budapest HUN
1959 — Pelikán, Jiří vs Garcia Rodriguez, Raimundo — 0-1 — Quilmes
1962 — Bisguier, Arthur B vs Geller, Efim P. — 0-1 — Stockholm izt
1964 — Rehe, Octavio David vs Baad Schmidt, Noah — 1-0 — cr.
1964 — Flatau, Leo vs Stern, Dieter — 1/2-1/2 — FRG-ch09 corr6467

9…d4 — 15.2% (217 parties)

1923 — Thoenes vs Guntzer Vetter, Thomas — 1-0 — Frankfurt GER
1942 — Jeremiah F Donovan vs Bernstein, Sidney — 0-1 — Ventnor City, NJ, USA
1942 — Donovan, Jeremiah vs Bernstein, Sidney — 0-1 — Ventnor City
1946 — Bellod Thomas, Gonzalo vs Lupi, Francisco — 0-1 — London ENG
1946 — Seidman, Herbert vs Shipman, Walter — 1-0 — Pittsburgh

9…Bg4 — 10.5% (150 parties)

1936 — Kashdan, Isaac vs Hanauer, Milton Loeb — 0-1 — USA-ch New York, NY USA
1943 — Keres, Paul Petrovich vs Abalde Perez, Fernando Jose — 1-0 — It Madrid ESP
1944 — Caballero Gallego, Luis vs Medina-Garcia, Antonio — 0-1 — Gijon
1946 — Krautheim, Fritz vs Riedmiller, Max — 0-1 — Augsburg GER
1948 — Shipman, Walter vs Almgren, Sven — 1-0 — South Fallsburg ch-USA

Fin du contenu

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