A00t — Benko Opening: Symmetrical

1.g3 g6 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b1 et g1, les fous c1 et f1 et les tours a1 et h1).

Plans. e4 (Centre d4+e4, libère Bf1) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et g8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1)	6 (● b8, ● g8, ● c8, ● f8, ● 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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e2-e3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1953 Mitropa Cup – Round 4 – Robatsch, Karl – 1/2-1/2 – Trifunovic, Petar – G24 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 Nc6 5. O-O Nge7 6. Nbc3 O-O 7. d3 d6 8. f4 Nd4 9. Nxd4 exd4 10. Ne2 f5
1955 Ljubljana – Round 15 – Krivec Slavko – 1/2-1/2 – Udovcic, Mijo – G134 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 d6 5. O-O Ne7 6. d4 Nd7 7. Be3 O-O 8. Nbc3 Nc6 9. f4 Nb6 10. b3 Bg4
1956 Marianske Lazne/Praha – Round 12 – Ujtelky, Maximilian – 0-1 – Uhlmann, Wolfgang – G84 1. g3 g6 2. Bg2 Bg7 3. d4 d6 4. e4 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Ne2 c6 8. b3 Na6 9. Nbc3 Nb4 10. Bg5+ Kc7
1960 WchT U26 07th – Round 15 – Drimer, Dolfi – 1-0 – Kvist, Goesta – G40 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. d4 Nf6 5. Nc3 O-O 6. Nge2 e5 7. O-O Nc6 8. h3 exd4 9. Nxd4 Nxe4 10. Nxc6 Nxc3
1961 Marianske Lazne zt – Round 12 – Johannessen, Svein – 1-0 – Barendregt, Johan – G9 1. g3 g6 2. Bg2 c5 3. e4 Nc6 4. Ne2 Bg7 5. c3 e5 6. Na3 Nge7 7. O-O O-O 8. Nb5 d6 9. d3 a6 10. Na3 d5
1962 Candidats Tournament – Round 15 – Benko, Pal – 1/2-1/2 – Fischer, Robert J – G57 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. c3 Qb6 5. Nf3 Nf6 6. O-O O-O 7. d5 d6 8. c4 e6 9. Nc3 exd5 10. cxd5 Nbd7
1962 Candidats Tournament – Round 17 – Benko, Pal – 1-0 – Tal, Mikhail – G65 1. g3 g6 2. Bg2 Bg7 3. d4 d6 4. e4 Nf6 5. Ne2 O-O 6. O-O Nbd7 7. Nbc3 c6 8. a4 a5 9. b3 Re8 10. Ba3 Qc7
1962 Paris 6263 – Round ? – Kottnauer, Cenek – 1/2-1/2 – Mazzoni, Guy – G17 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. d4 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nc3 c6 8. f4 f6 9. Nf3 h6 10. O-O Ne7
1962 URS Team Ch – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Veresov, Gavriil – G127 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. d4 Nf6 5. Ne2 O-O 6. O-O e5 7. Nbc3 Nc6 8. Re1 Bd7 9. f3 Nxd4 10. Nxd4 exd4
1962 Varna olm – Round 7 – Robatsch, Karl – 1/2-1/2 – Gligorić, Svetozar – G329 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 Nc6 5. c3 d6 6. d4 Nge7 7. O-O O-O 8. d5 Nb8 9. c4 f5 10. f3 Nd7
1962 Whitby ch-BCF – Round 1 – Franklin Sheunesu Mhembere – 0-1 – Penrose, Justin – G25 1. g3 g6 2. Bg2 Bg7 3. d4 d6 4. e4 c5 5. dxc5 Qa5+ 6. Bd2 Qxc5 7. Bc3 Nf6 8. Ne2 O-O 9. O-O Nc6 10. Nd2 Rd8
1963 CSR Ch – Round 2 – Dolezal, Jiri – 0-1 – Acosta Fabian, Janna Paloma – G16 1. g3 g6 2. Bg2 Bg7 3. d4 f5 4. Nc3 c5 5. d5 Nf6 6. Nh3 Na6 7. O-O d6 8. Nf4 Nc7 9. a4 Rb8 10. e4 O-O
1963 Halle zt – Round 1 – Larsen, Benjamin Holsko – 1-0 – Johannsson, I. – G112 1. g3 g6 2. Bg2 Bg7 3. f4 c5 4. Nf3 Nc6 5. O-O d6 6. d3 Nf6 7. e4 O-O 8. Kh1 Bd7 9. c4 Ne8 10. Nc3 Nc7
1963 Halle zt – Round 1 – Larsen, Benjamin Holsko – 1-0 – Ofstad, Per – G110 1. g3 g6 2. Bg2 Bg7 3. Nc3 Nf6 4. e4 e5 5. d3 d6 6. f4 Nc6 7. Nf3 Be6 8. O-O Qd7 9. Be3 O-O-O 10. Ng5 Ng4
1963 Odense ch-DEN – Round 1 – Larsen, Benjamin Holsko – 1-0 – Jacobsen, Ole Dr – G2 1. g3 g6 2. Bg2 Bg7 3. Nc3 Nf6 4. e4 d6 5. d3 O-O 6. Nge2 c5 7. Bg5 h6 8. Be3 Nc6 9. h3 Bd7 10. Qd2 Kh7
1963 Polanica Zdroj – Round 1 – Plater, Kazimierz – 1/2-1/2 – Liebert, Heinz – G10 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 Ne7 5. d4 exd4 6. Nxd4 Nbc6 7. Nxc6 bxc6 8. O-O O-O 9. Nd2 d6 10. Rb1 Be6
1963 Rubinstein Memorial – Round 3 – Plater, Kazimierz – 1/2-1/2 – Matulovic, Milan – G23 1. g3 g6 2. e4 e5 3. Bg2 Bg7 4. Ne2 Ne7 5. Nbc3 Nbc6 6. d3 d6 7. f4 f5 8. O-O O-O 9. fxe5 dxe5 10. exf5 gxf5
1964 Amsterdam Interzonal – Round 6 – Benko, Pal – 1/2-1/2 – Larsen, Benjamin Holsko – G59 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. c3 cxd4 5. cxd4 Nf6 6. e4 O-O 7. Nc3 d6 8. Nge2 Qb6 9. O-O Nc6 10. d5 Ne5
1964 Interzonal – Round 6 – Benko, Pal – 1/2-1/2 – Larsen, Bent – G5 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. c3 cxd4 5. cxd4 Nf6 6. e4 O-O 7. Nc3 d6 8. Nge2 Qb6 9. O-O Nc6 10. d5 Ne5
1964 POL Ch extra – Round 3 – Tarnowski, Alfred – 1/2-1/2 – Plater, Kazimierz – G6 1. g3 g6 2. Bg2 Bg7 3. f4 d5 4. c4 c6 5. cxd5 cxd5 6. Nc3 Nf6 7. Qb3 e6 8. d3 Nc6 9. e4 dxe4 10. dxe4 e5
1964 Tel Aviv olm – Round 1 – Jelveh, Mohammad Reza – 1/2-1/2 – Westerinen, Heikki M.J. – G115 1. g3 g6 2. Bg2 Bg7 3. d4 d6 4. e4 Nf6 5. Ne2 O-O 6. Nbc3 Nc6 7. h3 e5 8. Be3 exd4 9. Nxd4 Re8 10. O-O Rb8
1964 Tel Aviv olm fin-B – Round 10 – Blom, Kaj – 1-0 – Gama, Atanacio Jermias Garcia – G34 1. g3 g6 2. Bg2 Bg7 3. f4 c6 4. d3 Qb6 5. Nc3 Bd4 6. Nf3 Bf2+ 7. Kf1 a5 8. d4 Bxg3 9. hxg3 Nf6 10. e4 d6
1964 Warsaw ch-POL – Round 1 – Plater Zyberg, Ambre – 1-0 – Kostro, Jerzy – G11 1. g3 g6 2. Bg2 Bg7 3. d4 Nf6 4. e4 d6 5. Ne2 O-O 6. Nbc3 e5 7. h3 Nc6 8. Be3 Nd7 9. O-O Kh8 10. Kh2 f5
1965 BRA Ch 32th – Round 1 – Gadia, Olicio – 1/2-1/2 – Toth, Peter – G4 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 Nc6 5. O-O Nge7 6. d3 O-O 7. Be3 d5 8. Qc1 Bg4 9. f3 Be6 10. Bh6 Qd6
1965 BRA Ch 32th – Round 3 – Rocha, Antonio – 1-0 – Stenzel, Erbo – G13 1. g3 g6 2. Bg2 Bg7 3. d3 d5 4. Nf3 e5 5. Nbd2 Ne7 6. O-O O-O 7. e4 dxe4 8. dxe4 Nbc6 9. c3 b6 10. b4 Qd3
1965 BRA Ch 32th – Round 4 – Rocha, Antonio – 1-0 – Alves, Francisco H B Severino – G16 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. Ne2 Nc6 5. d3 Nf6 6. h3 e5 7. O-O Be6 8. Nd2 Qd7 9. Kh2 O-O-O 10. Nf3 h6
1965 Copenhagen – Round 2 – Larsen, Bent Ravn – 1/2-1/2 – Sloth, Jorn – G36 1. g3 g6 2. Bg2 Bg7 3. Nc3 e5 4. d3 Ne7 5. f4 exf4 6. Bxf4 d5 7. Nf3 O-O 8. O-O d4 9. Ne4 Nd5 10. Qd2 Nxf4
1965 Hamburg etc – Round 3 – Stein, Leon Rico – 1/2-1/2 – Trifunovic, Petar – G39 1. g3 g6 2. e4 Bg7 3. d4 d5 4. exd5 c6 5. c4 cxd5 6. cxd5 Nf6 7. Bg2 Nxd5 8. Nc3 e6 9. Nge2 Nc6 10. O-O O-O
1965 Hastings6566 – Round 9 – Hartston, William R – 1-0 – Littlewood, Norman – G42 1. g3 g6 2. Bg2 Bg7 3. c4 d6 4. Nc3 Nc6 5. Rb1 f5 6. e3 Nf6 7. Nge2 e5 8. d3 g5 9. Nd5 Ne7 10. h4 gxh4
1965 IBM-B – Round 1 – Plater, Kazimierz – 1/2-1/2 – Milic, Bozidar – G3 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. dxc5 Na6 5. e4 Nxc5 6. Ne2 d6 7. O-O Bd7 8. Nbc3 Nf6 9. Re1 O-O 10. h3 Rc8
1966 La Habana olm fin-A – Round 3 – Larsen, Benjamin Holsko – 1-0 – Gheorghiu, Florin – G59 1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. a3 Nf5 9. Rb1 Rb8 10. Ne4 Qb6
1966 New York ch-USA – Round 1 – Benko, Pal – 0-1 – Fischer, Raphael – G6 1. g3 g6 2. Bg2 Bg7 3. d4 Nf6 4. e4 d6 5. Ne2 O-O 6. O-O Nbd7 7. c4 e5 8. Nbc3 c6 9. d5 cxd5 10. Nxd5 Nxd5
1966 Rzeszow ch POL – Round 8 – Lewi, Jerzy – 0-1 – Gromek, Jozef – G55 1. g3 g6 2. Bg2 Bg7 3. d3 c5 4. e4 d6 5. c3 Nf6 6. Ne2 Nc6 7. O-O O-O 8. f4 Bd7 9. h3 b5 10. Be3 Rc8
1967 Budapest Bajnogsag 8th – Round 13 – Szilagyi, Gyorgy Laszlo – 0-1 – Dely, Peter – G82 1. g3 g6 2. Bg2 Bg7 3. c4 d6 4. Nc3 Nc6 5. Rb1 e5 6. b4 f5 7. d3 Nf6 8. Bd2 O-O 9. h4 h6 10. Qc1 Kh7
1967 Rubinstein Memorial 5th – Round 7 – Suttles, Duncan – 1/2-1/2 – Liebert, Heinz – G5 1. g3 g6 2. Bg2 Bg7 3. d3 c5 4. Nh3 Nc6 5. O-O d6 6. Nc3 e6 7. e4 Nge7 8. Be3 O-O 9. Qd2 Rb8 10. Nd1 Qa5
1967 Vejle – Round 1 – Andersen, Borge – 1-0 – Petersen, Finn – G12 1. g3 g6 2. Bg2 Bg7 3. d3 d6 4. f4 e5 5. Nf3 Ne7 6. O-O O-O 7. Nc3 Nbc6 8. e4 f5 9. Be3 Kh8 10. Qd2 Be6
1967 Vejle – Round 1 – Blom, Kaj – 1/2-1/2 – Ekebjaerg, O. – G10 1. g3 g6 2. Bg2 Bg7 3. f4 c5 4. Nf3 Nc6 5. d3 d6 6. Nc3 Nf6 7. O-O O-O 8. Kh1 Rb8 9. Nh4 Bd7 10. f5 Ne5
1967 Wch U20 qual-A – Round 6 – Day, Lawrence A. – 1-0 – Woodhams, Michael – G10 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. Nc3 c5 5. Nh3 Nc6 6. O-O e5 7. f4 Nge7 8. f5 f6 9. d3 O-O 10. g4 Rb8
1968 Belgrade (Women) 4th – Round 13 – Krizsan-Bilek, Gyulane – 1/2-1/2 – Gaprindashvili, Nona – G49 1. g3 g6 2. f4 Bg7 3. Bg2 c5 4. Nf3 Nc6 5. O-O Nf6 6. d3 d5 7. Nc3 O-O 8. Ne5 Nxe5 9. fxe5 Ng4 10. Nxd5 Be6
1968 Kecskemet – Round 1 – Csom, Istvan – 1-0 – Honfi, K. – G30 1. g3 g6 2. Bg2 Bg7 3. Nc3 c6 4. e4 e5 5. Nf3 d6 6. O-O b5 7. d4 Qc7 8. Be3 Nd7 9. d5 b4 10. dxc6 bxc3
1968 Kislovodsk – Round 1 – Simagin, Vladimir – 1/2-1/2 – Ciocaltea, Victor – G30 1. g3 g6 2. Bg2 Bg7 3. c4 d6 4. Nc3 Nf6 5. b3 O-O 6. Bb2 e5 7. e3 Nc6 8. d3 Be6 9. Nd5 Ne8 10. Ne2 Qd7
1968 Lublin PKWN 4th – Round 5 – Knezevic, Milorad – 1/2-1/2 – Filipowicz, Andrzej – G17 1. g3 g6 2. Bg2 Bg7 3. f4 c5 4. Nf3 Nc6 5. O-O e6 6. e4 d5 7. d3 Nge7 8. Nc3 Rb8 9. Nh4 f5 10. exd5 exd5
1968 Lugano olm - Round 1 - Suttles, Duncan - 1-0 - Boey, Jin Huey - G455 1. g3 g6 2. Bg2 Bg7 3. d3 e5 4. Nc3 Ne7 5. e4 Nbc6 6. Be3 d6 7. Qd2 Be6 8. Bh6 Bxh6 9. Qxh6 Qd7 10. Nf3 O-O-O
1968 Lugano olm - Round 1 - Zwaig, Arne - 0-1 - Glauser, Hansruediger - G454 1. g3 g6 2. Bg2 d5 3. c4 dxc4 4. Na3 Bg7 5. Nxc4 Nd7 6. Nf3 Ngf6 7. O-O O-O 8. d3 Nb6 9. Na5 c6 10. Bd2 Re8
1968 Meldorf U26 – Round 2 – Andersson, Ulf 1949 – 0-1 – Perkins, Alan H – G11 1. g3 g6 2. Bg2 Bg7 3. d3 c5 4. f4 d5 5. Nf3 Nc6 6. O-O Nf6 7. Na3 O-O 8. c4 d4 9. Nc2 Qc7 10. Rb1 a5
1968 New York ch-USA – Round 6 – Lombardy, William J – 1/2-1/2 – Byrne, Ray – G34 1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. a3 b6 9. Rb1 Bb7 10. Ne4 d5
1968 Open - Long Beach – Round 6 – Blackstone, John – 1-0 – Hunnex, George – G11 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Nc3 Ne7 5. d3 c6 6. f4 d6 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 Nd7 10. g4 exf4
1968 Palma de Mallorca – Round 10 – Larsen, Benjamin Holsko – 1-0 – Calvo Minguez, Ricardo – G94 1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. a3 e6 6. Nf3 d6 7. Bg5 Qd7 8. O-O f6 9. Bd2 Nh6 10. Rb1 O-O
1968 Palma de Mallorca – Round 12 – Larsen, Benjamin Holsko – 1/2-1/2 – Lehmann, Heinz – G112 1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. a3 Nf6 6. Rb1 a5 7. a4 O-O 8. Nf3 d6 9. O-O Ne8 10. Be3 Nd4
1968 SWE Ch – Round 9 – Platzack, Sven – 0-1 – Jansson, Borje – G30 1. g3 g6 2. Bg2 Bg7 3. d3 d5 4. c3 Nf6 5. b4 O-O 6. Bb2 e5 7. Nf3 Qe7 8. O-O e4 9. Nd4 Re8 10. Na3 Nbd7
1968 USA Open Aspen – Round 1 – Henin Chabane, Clotilde – 1/2-1/2 – Sherwin, James T – G12 1. g3 g6 2. Bg2 Bg7 3. d3 d5 4. f4 c6 5. Nf3 Nd7 6. c3 e5 7. Na3 exf4 8. Bxf4 Ngf6 9. Qd2 O-O 10. O-O-O Re8
1969 Athene zt – Round 15 – Spiridonov, Nikola – 1/2-1/2 – Stoppel, Franz – G21 1. g3 g6 2. Bg2 Bg7 3. d3 e5 4. c4 Ne7 5. Nc3 O-O 6. Nf3 Nbc6 7. O-O d6 8. Rb1 a5 9. a3 Bd7 10. b4 axb4
1969 Hastings6970 – Round 3 – Drimer, Dolfi – 0-1 – Acuna Medina, Angel G. – G14 1. g3 g6 2. Bg2 Bg7 3. d3 e5 4. e4 d6 5. Nf3 c5 6. O-O Ne7 7. c3 Nbc6 8. Be3 O-O 9. Na3 b6 10. Qc1 Ba6
1969 Liberation – Round 1 – Suttles, Duncan – 1-0 – Ostojic, Predrag – G9 1. g3 g6 2. Bg2 Bg7 3. d3 d5 4. Nc3 Nf6 5. Bd2 O-O 6. Qc1 c6 7. Nd1 Re8 8. f3 e5 9. e4 Be6 10. Nh3 Qc8
1969 Palma de Mallorca – Round 1 – Larsen, Benjamin Holsko – 0-1 – Mecking, Henrique – G18 1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. Nf3 e6 6. O-O d5 7. a3 Nge7 8. Rb1 O-O 9. Bd2 Rb8 10. b4 cxb4
1969 Palma de Mallorca – Round 9 – Larsen, Bent Ravn – 1-0 – Panno, Oscar – G83 1. g3 g6 2. Bg2 Bg7 3. Nc3 e5 4. d3 Nc6 5. f4 d6 6. Nf3 Nge7 7. O-O O-O 8. e4 h6 9. Be3 Nd4 10. Qd2 Kh7
1969 Praia da Rocha zt – Round 11 – Schumacher, Helmut – 0-1 – Bilek, Istvan – G38 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Nd2 f5 8. Rb1 Nf6 9. O-O O-O 10. c4 Rb8
1969 Sarajevo 12th – Round 13 – Lutikov, Anatoly S – 1/2-1/2 – Gligorić, Svetozar – G18 1. g3 g6 2. Bg2 Bg7 3. f4 d6 4. Nf3 e5 5. fxe5 dxe5 6. e4 Nc6 7. d3 Nge7 8. O-O O-O 9. Nc3 Nd4 10. Be3 Nec6
1969 Sweden – Round 1 – Platzack, S. – 1/2-1/2 – Horberg, Bengt-Eric – G11 1. g3 g6 2. Bg2 Bg7 3. d3 c5 4. Nc3 Nc6 5. a3 d6 6. Rb1 e6 7. Bd2 Nge7 8. Nf3 O-O 9. O-O b6 10. b4 Bb7
1969 WchT U26 fin-B 16th – Round 5.1 – Zwaig, Arne – 1-0 – Kazilaris, Nikolaos – G29 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. f4 Nc6 5. Ne2 e5 6. O-O Nge7 7. Nbc3 f5 8. d3 O-O 9. Bd2 Rb8 10. Qc1 Re8
1969 WchT U26 fin-B 16th – Round 6.1 – Zwaig, Arne – 1-0 – Rodriguez, Ruben – G34 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. f4 Nc6 5. Nf3 Nf6 6. d3 e5 7. O-O O-O 8. Nc3 exf4 9. Bxf4 Bg4 10. Qd2 d5
1970 Vinkovci – Round 14 – Quinteros, Miguel Angel – 1/2-1/2 – Ledic, Tomislav – G116 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. c3 Qa5 5. d5 d6 6. Nf3 Nf6 7. O-O O-O 8. a4 b5 9. Nfd2 b4 10. Nb3 Qc7
1972 San Antonio – Round 11 – Suttles, Duncan – 1/2-1/2 – Larsen, Bent – G123 1. g3 g6 2. Bg2 Bg7 3. Nc3 d6 4. d3 e5 5. e4 Ne7 6. Be3 c5 7. Qd2 h5 8. f4 Nbc6 9. Nf3 Nd4 10. O-O Bg4
1974 Manila – Round 13 – Petrosian, Tigran V. – 1-0 – Cardoso, Radolfo Tan – G132 1. g3 g6 2. Bg2 Bg7 3. c4 c6 4. Nc3 e5 5. e4 Ne7 6. Nge2 d6 7. d4 O-O 8. O-O Nd7 9. b3 f5 10. exf5 gxf5
78. Tata Steel GpA 2016 – Round 2.1 – Carlsen, Magnus – 1/2-1/2 – Caruana, Fabiano – G8 1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 c5 5. d3 Nc6 6. Be3 d6 7. Qd2 Nd4 8. c3 Nxe2 9. Qxe2 Ne7 10. h4 h6
Manila Interzonal 1976 – Round 4 – Ljubojevic, Ljubomir – 0-1 – Ribli, Zoltan – G18 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. d5 d6 5. Nf3 Nf6 6. O-O O-O 7. Nc3 Na6 8. h3 Nc7 9. a4 Rb8 10. e4 a6
World Blitz 2006 – Round 13 – Roiz, Michael – 0-1 – Radjabov, Teimour – G89 1. g3 g6 2. Bg2 Bg7 3. d4 c5 4. c3 Qa5 5. Nf3 cxd4 6. Nxd4 Nf6 7. O-O O-O 8. Nb3 Qc7 9. a4 Nc6 10. Na3 a6
World Blitz 2015 – Round 12.13 – Mamedov, Rauf – 1/2-1/2 – Vovk, Yuri – G721 1. g3 g6 2. Bg2 Bg7 3. d4 Nf6 4. e4 d6 5. Nc3 O-O 6. Nf3 Na6 7. O-O c5 8. e5 Ne8 9. Be3 cxd4 10. Bxd4 Bg4
World Blitz 2015 – Round 20.84 – Seirawan, Yasser – 1-0 – Carlstedt, Jonathan – G1283 1. g3 g6 2. Bg2 Bg7 3. c4 e6 4. Nc3 Ne7 5. Nf3 d5 6. d4 Nbc6 7. cxd5 exd5 8. O-O Bg4 9. e3 O-O 10. h3 Bf5

A00t — Benko Opening

1.g3 g6

Eval: [+0.24]

Les coups candidats

2.Bg2 — 88.6% (8497 parties)

Ambassadeurs : Petran, Peter (126x), Hickl, Joerg (73x), Suttles, Duncan (50x), Clemens, Christian, Dr. (45x), Haub, Thorsten Michael (45x), Troyke, Christian (42x), Markowski, Tadeusz (41x), Bilek, Istvan (34x)

2.e4 — 5.0% (479 parties)

Ambassadeurs : Rookie (87x), Extirpate (20x), SpeckEngine (20x), gglimer (17x), Unfortunately (14x), TogaRouter (14x), napolion (13x), mscp (9x)

2.c4 — 2.3% (218 parties) →

Ambassadeurs : Korchnoi, Viktor (8x), Thiede, Lars (8x), Suttles, Duncan (5x), Misericordia, Antonio (5x), Bonin, Jay (4x), Gavrikov, Viktor (3x), Vitaljic, Nebojsa (3x), Naundorf, Maik (3x)

2.d4 — 1.3% (123 parties)

Ambassadeurs : Grimm, Wolfgang, Dr. (10x), Vetter, Udo (4x), Dmitriev, Igor (4x), Misericordia, Antonio (4x), Trenberth, R. (2x), Simic, Radoslav K (2x), Schricker, Jochen (2x), Simmon, Norbert (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2.Bg2	2.e4	2.c4	2.d4
<1800	163	77%	1%	7%	6%
1800-2200	2459	91%	1%	3%	2%
2200-2600	4790	96%	0%	2%	1%
2600+	83	93%	1%	2%	2%

Évolution par décennie (% des parties)

Décennie	N parties	2.Bg2	2.e4	2.c4	2.d4
1930s	1	100%	—	—	—
1940s	2	50%	—	50%	—
1950s	11	100%	—	—	—
1960s	380	92%	1%	3%	1%
1970s	696	95%	—	2%	0%
1980s	826	94%	0%	2%	1%
1990s	2159	95%	1%	1%	1%
2000s	2623	80%	13%	2%	2%
2010s	2542	88%	5%	3%	1%
2020s	351	88%	1%	4%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2.Bg2	88%	88%	+0.1%
2.e4	5%	1%	▼ -4.0%
2.c4	3%	4%	▲ +0.7%
2.d4	1%	3%	▲ +1.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 7 parties
Botvinnik, Mikhail — 6 parties
Smyslov, Vladimir — 4 parties
Kasparov, Garry — 3 parties
Carlsen, Magnus — 2 parties
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie

Parties historiques

2.Bg2 — 88.6% (8497 parties)

1938 — Biedermann, Frank vs Plater, Kazimierz — 1-0 — Krakow POL
1948 — Benko, Pal vs Steiner, Lajos — 1-0 — Budapest HUN
1953 — Robatsch, Karl vs Trifunovic, Petar — 1/2-1/2 — Vienna AUT
1955 — Krivec Slavko vs Udovcic, Mijo — 1/2-1/2 — Ljubljana
1956 — Kostiuchenko, Alexander vs Rotstein, Jefim — 1-0 — Kiev UKR

2.e4 — 5.0% (479 parties)

1963 — Plater, Kazimierz vs Matulovic, Milan — 1/2-1/2 — Polanica Zdroj POL
1963 — Korchnoi, Viktor vs Bondarevsky, Igor — 1-0 — Leningrad ch-URS
1965 — Stein, Leon Rico vs Trifunovic, Petar — 1/2-1/2 — Hamburg GER
1965 — Petrosian, Tigran A. vs Unzicker, Wolfgang — 1/2-1/2 — Hamburg GER
1989 — Ubilava, Elizbar vs Kuczynski, Robert — 1-0 — Alma Ata KAZ

2.c4 — 2.3% (218 parties)

1942 — Popov, Vesselin vs Karastoichev, Emil — 1-0 — Sofia BUL
1961 — Korchnoi, Viktor vs Aczel Szabo, Janos — 1-0 — Budapest HUN
1961 — Korchnoi, Viktor vs Bertok, Mario Jr. — 1/2-1/2 — Belgrade SRB
1961 — Korchnoi, Viktor vs Matanovic, Aleksandar — 1/2-1/2 — Belgrade SRB
1962 — Korchnoi, Viktor vs Olafsson, Fridrik — 1-0 — Stockholm SWE

2.d4 — 1.3% (123 parties)

1964 — Trenberth, R. vs Bedford, M. — 1-0 — Oakland
1964 — Trenberth, R. vs Saccuzzo, D. — 1-0 — Oakland
1967 — Barcza, Gedeon vs Lein, Anatoly — 1/2-1/2 — HUN-URS Budapest HUN
1977 — Quinteros, Miguel A. vs Adamski, Jan — 0-1 — Polanica Zdroj POL
1980 — Miles, Anthony J vs Andersson, Ulf — 1-0 — London ENG

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