A00t — Benko Opening: Symmetrical

1.g3 g6 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 0
bQ
bKRoi au centre — vulnérable
bBFou enfermé — mobilité 0
bN
bR
bP
bP
bP
bP
bP
bP
bP
bP
wP
wP
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wB
wN
wR
abcdefgh
Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 6 pièces non développées (B1, G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nbd2 — Développer Nb1
● Nf3 — Développer Ng1
● d3 — Libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wBFou enfermé — mobilité 2
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 0
wN
wR
wP
wP
wP
wP
wP
wP
wP
wP
bP
bP
bP
bP
bP
bP
bP
bP
bR
bN
bB
bK
bQ
bB
bN
bR
hgfedcba
Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bd6 — Développer Bf8
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
A00t — Benko Opening
1.g3 Nf6
Eval: [+0.24]
Les coups candidats
2.Bg2 — 90.8% (10375 parties)
Ambassadeurs : Petran, Peter (123x), Chelushkina, Irina (90x), Movsziszian, Karen (57x), Troyke, Christian (51x), Hickl, Joerg (49x), Haub, Thorsten Michael (44x), Lazic, Miroljub (44x), Shoker, Samy (38x)
Ambassadeurs : Thiede, Lars (16x), Misericordia, Antonio (11x), Eidinger, Helmut (8x), Suttles, Duncan (5x), Kormos, Andras (5x), Dias, Joao Batista de Sou (5x), Derlich, Manfred (4x), Perschke, Ulrich (4x)
Ambassadeurs : Misericordia, Antonio (10x), Klewe, Wolfgang (8x), Szilardfy, Gyula (6x), Ripke Thomas (5x), Cervinka, Michal (4x), Tia, Rudy Jr. (4x), Wisbauer, Robert (3x), Walczak, Przemyslaw (3x)
Ambassadeurs : Jablonicky, Frantisek (6x), Hankinson, Chris J (4x), Booth, John C (3x), Ivanov, Maxim (3x), Gnjezdur, Vladimir (3x), Rendlev, Niels Moller (3x), Schorr Blank, Leon (2x), Sorensen, Dick (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.Bg2 2.c4 2.Nf3 2.f4
<1800 283 84% 3% 5% 1%
1800-2200 3850 88% 5% 3% 1%
2200-2600 5280 95% 3% 1% 0%
2600+ 104 98% 1%
Évolution par décennie (% des parties)
Décennie N parties 2.Bg2 2.c4 2.Nf3 2.f4
1920s 3 100%
1940s 2 100%
1950s 34 91% 3% 3%
1960s 228 93% 4% 2% 0%
1970s 443 93% 3% 1% 1%
1980s 858 92% 3% 2% 2%
1990s 2105 93% 2% 2% 1%
2000s 2933 89% 4% 3% 1%
2010s 4093 91% 4% 3% 1%
2020s 731 90% 4% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.Bg2 91% 90% -0.4%
2.c4 4% 4% +0.3%
2.Nf3 3% 3% +0.0%
2.f4 1% 1% -0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Karpov, Anatoly — 2 parties
Karpov, Aleksandr — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Hou, Yifan — 1 partie
Parties historiques
2.Bg2 — 90.8% (10375 parties)
1923 — Van Kooy, W. vs Kersten, J L — 1/2-1/2 — NED
1925 — Reti, Richard vs Yates, Frederic D — 1/2-1/2 — Baden-Baden GER
1926 — Saunders, Harold vs Wheatcroft, George — 1-0 — Edinburgh SCO
1943 — Najdorf, Miguel vs Bello AbdulMalik Olamide — 1-0 — Rosario ARG
1949 — Benko, Pal vs Pytlakowski, Andrzej — 1-0 — Lodz POL
2.c4 — 3.5% (396 parties)
1954 — Navarovszky, Laszlo vs Ozsvath, Andras — 1-0 — Hungary ch
1960 — Deslauriers, J. vs Groiss, Werner — 0-1 — Leipzig GER
1961 — Kestler, Hans-Guenther vs Bachmann, Karlheinz — 1/2-1/2 — Bad Pyrmont GER
1964 — Cafferty, Bernard vs Wells, David G — 1-0 — Bognor Regis
1968 — Day, Mike vs Welsh, Alan — 1/2-1/2 — Swansea WLS
2.Nf3 — 2.7% (305 parties)
1960 — Lengyel, Levente vs Prahov, Valentin — 1/2-1/2 — It Bad Salzungen GER
1962 — Volpert, Larisa vs Nakhimovskaya, Zara — 1/2-1/2 — Leningrad RUS
1962 — Lagane, Claude vs Staw, Philippe — 1-0 — Paris FRA
1966 — Lewi, Jerzy vs Schmidt, Wlodzimierz — 0-1 — Rzeszow ch POL
1967 — Saint Bonnet vs Pellegrino J — 1/2-1/2 — Dieppe FRA
2.f4 — 1.0% (110 parties)
1958 — Barczay, Laszlo vs Lengyel, Levente — 1/2-1/2 — Budapest HUN
1966 — Schorr Blank, Leon vs Jimenez Zerquera, Eleazar — 0-1 — La Habana olm prel
1971 — Sorensen, Dick vs Reust, Josef — 0-1 — Schilde
1971 — Sorensen, Dick vs De Jonghe, Peter — 1/2-1/2 — Schilde
1973 — Pesch, Louise vs Nickl — 1/2-1/2 — Graz AUT
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3
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. 0)
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
1926 BCF Ch 19th – Round 1 – Saunders, Harold – 1-0 – Wheatcroft, George – G4
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 Nc6 6. O-O O-O 7. c3 e5 8. Qb3 Qe7 9. d5 Nb8 10. Na3 Nh5
1953 Mitropa Cup – Round 3 – Robatsch, Karl – 1-0 – Unzicker, Wolfgang – G18
1. g3 Nf6 2. Bg2 e5 3. d3 d5 4. Nf3 Nbd7 5. O-O Bd6 6. Nc3 d4 7. Nb5 Be7 8. a4 O-O 9. e4 Ne8 10. Na3 Bxa3
1954 Liberation – Round 12 – Barcza, Gedeon – 1-0 – Ivkov, Borislav – G26
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O e5 7. Nbc3 Nbd7 8. b3 Re8 9. Bb2 c6 10. dxe5 dxe5
1955 Ljubljana – Round 1 – Robatsch, Karl – 1/2-1/2 – Krivec Slavko – G8
1. g3 Nf6 2. Bg2 g6 3. e4 e5 4. Ne2 Bg7 5. d4 d6 6. c3 O-O 7. O-O Ng4 8. h3 Nh6 9. Be3 f6 10. Qd2 Nf7
1955 Wroclaw – Round ? – Plater, Kazimierz – 1-0 – Ziembinski, Marian – G24
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O e5 7. Nbc3 Nc6 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Bg5 Rf8
1957 Bratislava – Round 6 – Plater, Kazimierz – 1/2-1/2 – Tringov, Georgi P – G13
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O e5 7. h3 Nbd7 8. Nbc3 c6 9. Be3 exd4 10. Bxd4 Re8
1957 POL Ch 15th – Round 6 – Plater, Kazimierz – 1/2-1/2 – Dworzynski, Roman – G8
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O e5 7. h3 exd4 8. Nxd4 Re8 9. Nc3 Nfd7 10. Be3 Nc5
1957 Przepiorka Memorial – Round 2 – Plater, Kazimierz – 0-1 – Ciocaltea, Victor – G13
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O a5 7. Nbc3 a4 8. h3 c6 9. f4 a3 10. bxa3 Nbd7
1959 HUN Ch 15th – Round 8 – Haag, Ervin – 1/2-1/2 – Honfi, Karoly – G26
1. g3 Nf6 2. Bg2 c5 3. e4 Nc6 4. Ne2 e6 5. d4 cxd4 6. Nxd4 Be7 7. O-O O-O 8. Nc3 d6 9. Nde2 a6 10. b3 Qc7
1960 Budapest zt – Round 13 – Ujtelky, Maximilian – 0-1 – Mititelu, Gheorghe – G75
1. g3 Nf6 2. Bg2 e6 3. Nf3 Be7 4. O-O O-O 5. d3 d5 6. c3 c5 7. Qc2 Nc6 8. e4 b6 9. Re1 Bb7 10. e5 Nd7
1961 Corr FS – Round 1 – Barczay, Laszlo – 0-1 – Pietzsch, Wolfgang – G17
1. g3 Nf6 2. Bg2 d6 3. c4 g6 4. Nc3 Bg7 5. Rb1 O-O 6. d3 c5 7. a3 a5 8. Nf3 Nc6 9. O-O d5 10. Nd2 Be6
1962 CSR Ch – Round 10 – Opocensky, Karel – 0-1 – Kozma, Julius – G88
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. Nbc3 c6 7. a4 e5 8. O-O a5 9. b3 Na6 10. h3 Re8
1962 URS Ch sf Riga LAT – Round ? – Mikenas, Vladas – 1/2-1/2 – Vitolinsh, Alvis – G13
1. g3 Nf6 2. Bg2 g6 3. e4 e5 4. d4 exd4 5. e5 Ng8 6. Nf3 Bg7 7. O-O Ne7 8. Re1 O-O 9. Nxd4 Nbc6 10. Bg5 Nxd4
1962 Varna olm – Round 1 – Beni, Alfred – 0-1 – Milev, Zdravko – G85
1. g3 Nf6 2. Bg2 g6 3. e4 c5 4. Ne2 Nc6 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 d6 8. c4 Bg7 9. Nc3 O-O 10. O-O Be6
1963 Ontario Open – Round 5 – Vranesic, Zvonko – 1-0 – Sarosy, Zoltan L – G6
1. g3 Nf6 2. Bg2 c5 3. e4 Nc6 4. Ne2 d5 5. exd5 Nxd5 6. Nbc3 Nc7 7. O-O e5 8. f4 Be7 9. d3 O-O 10. Be3 exf4
1964 DDR Ch 14. Magdeburg GER – Round 15 – Liebert, Heinz – 1-0 – Wehnert, Lutz – G10
1. g3 Nf6 2. Bg2 c5 3. c4 Nc6 4. Nc3 g6 5. b3 Bg7 6. Bb2 O-O 7. Nf3 d6 8. O-O Bg4 9. h3 Bd7 10. e3 Rb8
1964 IBM – Round 8 – Larsen, Benjamin Holsko – 1-0 – Enevoldsen, Jens – G38
1. g3 Nf6 2. Bg2 e5 3. Nf3 d6 4. c4 g6 5. Nc3 Bg7 6. d4 exd4 7. Nxd4 O-O 8. O-O Nbd7 9. b3 c6 10. Bb2 Nc5
1965 BRA Ch 32th – Round 18 – Gadia, Olicio – 0-1 – Mecking, Henrique – G53
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. Ne2 Bg7 5. d3 O-O 6. O-O c5 7. f4 Nc6 8. Nd2 Qc7 9. h3 b5 10. g4 e6
1965 BRA Ch 32th – Round 9 – Toth, Peter – 1-0 – Tavares da Silva Luiz – G30
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. Ne2 Bg7 5. O-O c5 6. Nbc3 Nc6 7. d3 h5 8. h3 h4 9. g4 Nd4 10. f4 Nxg4
1965 POL Ch 23th sf – Round 1 – Fronczek, Heinrich – 1/2-1/2 – Pietrusiak, Bogdan – G3
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O e5 7. Nbc3 c6 8. a4 Bg4 9. f3 Be6 10. Be3 Bc4
1966 Groningen – Round 5 – Whiteley, Andrew Jonathan – 1-0 – Westermeier, Arnulf – G9
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O Nbd7 7. Nbc3 c5 8. h3 a6 9. Be3 cxd4 10. Nxd4 Qc7
1966 Havana CUB – Round 7 – Ornithopoulos, Nikolaos – 1-0 – Rocha, Antonio – G53
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 O-O 6. O-O e5 7. c3 c6 8. h3 Na6 9. Kh2 Nc7 10. f4 Nd7
1966 La Habana olm fin-A – Round 6 – Larsen, Benjamin Holsko – 0-1 – Olafsson, Fridrik – G116
1. g3 Nf6 2. Bg2 e5 3. Nf3 d6 4. O-O c6 5. d3 Be7 6. c4 O-O 7. c5 d5 8. Nxe5 Bxc5 9. Nc3 Re8 10. d4 Bf8
1966 La Habana olm fin-B – Round 12 – Suttles, Duncan – 1-0 – Winiwarter, Felix – G47
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. c3 c6 6. Ne2 O-O 7. O-O d5 8. exd5 cxd5 9. Qb3 Nc6 10. Bg5 e6
1967 GBR-ch54 Major Open – Round 10 – Scholes, James Edward – 0-1 – Griffiths, Peter C – G9
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. Ne2 Bg7 5. O-O c5 6. c3 Nc6 7. d3 Bd7 8. Bg5 Rb8 9. a4 a6 10. d4 cxd4
1967 Invitational - M.I – Round 11 – Blackstone, John – 1-0 – Blohm, David – G18
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. f4 O-O 6. Nc3 Nc6 7. Nf3 Bg4 8. d5 Na5 9. h3 Bd7 10. Qd3 c5
1967 Savona ch ITA – Round 6 – Dell'Accio, Cataldo – 0-1 – Paoli, Enrico – G13
1. g3 Nf6 2. Bg2 e5 3. Nf3 Nc6 4. d3 Be7 5. O-O O-O 6. Bg5 h6 7. Bd2 d5 8. Nc3 Be6 9. e3 Qd7 10. Ne1 Rad8
1967 Zinnowitz – Round 14 – Spiridonov, Nikola – 0-1 – Csom, Istvan – G26
1. g3 Nf6 2. Bg2 g6 3. b4 Bg7 4. Bb2 O-O 5. Nf3 c6 6. c4 Na6 7. a3 Nc7 8. d3 d6 9. O-O Bd7 10. Qc2 Qc8
1968 Hastings6869 – Round 1 – Hartoch, Robert G – 1/2-1/2 – Fuller, Maxwell Leonard – G4
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 O-O 6. Nge2 c6 7. O-O e5 8. h3 Nbd7 9. a4 Re8 10. d5 cxd5
1968 Hastings6869 – Round 5 – Hartoch, Robert G – 1-0 – Kottnauer, Cenek – G25
1. g3 Nf6 2. Bg2 e6 3. e4 d5 4. e5 Nfd7 5. d4 c5 6. c3 Nc6 7. Ne2 Rb8 8. O-O b5 9. f4 Nb6 10. Kh1 g6
1968 Palma de Mallorca – Round 16 – Larsen, Benjamin Holsko – 1-0 – Westerinen, Heikki M.J. – G146
1. g3 Nf6 2. Bg2 g6 3. b3 Bg7 4. Bb2 O-O 5. Nf3 d6 6. d4 Nbd7 7. O-O Re8 8. Nbd2 e5 9. dxe5 dxe5 10. e4 b6
1968 Prague U26 – Round 13 – Kupka, Slavoj – 1/2-1/2 – Zedek, Alois – G56
1. g3 Nf6 2. b3 e5 3. Bb2 Bc5 4. Bg2 Nc6 5. e3 d6 6. d3 Bg4 7. Ne2 Qd7 8. h3 Bf5 9. a3 a6 10. c4 Ba7
1969 Raach zt – Round 6 – Drimer, Dolfi – 1-0 – Camilleri, Henry – G68
1. g3 Nf6 2. Bg2 c5 3. d3 Nc6 4. e4 d5 5. Nd2 e5 6. exd5 Nxd5 7. Ngf3 Be7 8. Nc4 Bf6 9. Ne3 Nde7 10. h4 O-O
7. Tal Mem Blitz 2012 – Round 4 – Grischuk, Alexander – 1-0 – Caruana, Fabiano – G5
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 Nbd7 6. O-O O-O 7. h3 e5 8. Nbc3 c6 9. a4 b6 10. Be3 Bb7
Amber Rapid 2008 – Round 1 – Morozevich, Alexander – 1/2-1/2 – Mamedyarov, Shakhriyar – G6
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 O-O 6. Nge2 e5 7. h3 exd4 8. Nxd4 Re8 9. O-O Nbd7 10. Bf4 Ne5
Norway Supreme Masters Blitz 2013 – Round 5.4 – Svidler, Peter – 1-0 – Hammer, Jon Ludvig – G24
1. g3 Nf6 2. Bg2 g6 3. c4 c6 4. e4 d5 5. e5 Nfd7 6. d4 dxc4 7. e6 fxe6 8. Na3 Bg7 9. Nf3 b5 10. O-O a6
World Blitz 2015 – Round 18.83 – Seirawan, Yasser – 0-1 – Krnan, Tomas – G1158
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. f4 Bg7 5. d3 O-O 6. Nf3 c5 7. O-O Nc6 8. h3 Nd4 9. Nbd2 Nxf3+ 10. Nxf3 Rb8
World Blitz 2015 – Round 20.48 – Bartel, Mateusz – 0-1 – Hansen, Eric – G1263
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 O-O 6. Nge2 e5 7. h3 Nc6 8. Be3 a6 9. O-O b5 10. d5 Ne7
World Blitz 2016 – Round 17.53 – Howell, David W L – 1-0 – khayat, Abdullah F – G694
1. g3 Nf6 2. Bg2 g6 3. c4 c6 4. Nf3 Bg7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. d3 d6 9. e4 e5 10. Nc3 Nbd7
World Blitz 2021 – Round 2.25 – Movsesian, Sergei – 0-1 – Puranik, Abhimanyu – G84
1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 O-O 6. Nge2 e5 7. O-O Nc6 8. d5 Ne7 9. h3 c6 10. Bg5 cxd5

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