A26o — English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O *   ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 5
bQ
bR
bK
bP
bP
bP
bPPion arriéré — cible
bBFou enfermé — mobilité 2
bP
bN
bP
bN
bP
Case forte (2v0)
Case forte (2v1)
bP
Case forte (2v0)
wP
Case forte (2v1)
wN
wPPion central
wN
wP
wP
wP
wP
wP
wB
wP
wR
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Avantages : case forte e4, case forte b5, case forte d5, case forte g5, paire de fous.
Faiblesses adverses : arriéré f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wBFou enfermé — mobilité 5
wR
wP
wBFou enfermé — mobilité 2
wP
wP
wP
wP
wP
wN
wP
wN
Case forte (2v0)
Avant-poste C (accessible)
wP
Case forte (2v0)
bPCase forte (2v1)
bP
bN
bP
bN
bP
bB
bP
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bR
hgfedcba
Avantages : case forte d4, case forte g4, case forte e5, case forte f5, avant-poste d4(C), paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré f7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...d5 — Rupture
● ...e4 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
A26o — Closed
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O
Eval: [+0.28]
Les coups candidats
Ambassadeurs : Andersson, Ulf (20x), Rotstein, Arkadij (13x), Kovacs, Arthur Dr. (12x), Donaldson, John (12x), De Coverly, Roger D (11x), Kestler, Hans-Guenther (10x), Raicevic, Ivica (10x), Van Hoolandt, Patrick (9x)
8.Bg5 — 10.6% (856 parties)
Ambassadeurs : Lewyk, Ihor (6x), Wohl, Aleksandar H (5x), Sloth, Jorn (4x), Karsa, Laszlo (4x), Leschhorn, Heinrich (4x), Topp, Michael (4x), Wallrabenstein, Udo (3x), Paunovic, Dragan (3x)
8.Bd2 — 6.0% (481 parties)
Ambassadeurs : Golombek, Harry (8x), Cerrajeria Ruiz, Jesus Maria (8x), Vivek Kumar, Shukla (2x), Barcza, Gedeon (2x), Manasterski, Lutoslaw (2x), Cuellar Gacharna, Miguel (2x), Birnboim, Nathan (2x), Freitag, Roland (2x)
8.a3 — 5.5% (439 parties)
Ambassadeurs : Barbier, Sigiswald (2x), Stodolnik, Alicja (2x), Ruesch, Hans-Joachim (2x), Soto, Cristian Camilo (2x), Enguidanos Gimeno, Salvador (2x), Casarin, Luis Marcio Pinhatti (2x), Jouhaneau, Jacques (2x), Antunes, Luciano Justi (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Rb1 8.Bg5 8.Bd2 8.a3
<1800 222 45% 20% 12% 13%
1800-2200 3037 66% 12% 6% 7%
2200-2600 3122 83% 8% 3% 2%
2600+ 91 82% 5%
Évolution par décennie (% des parties)
Décennie N parties 8.Rb1 8.Bg5 8.Bd2 8.a3
1850s 1 100%
1880s 1 100%
1890s 1 100%
1900s 1 100%
1920s 3 33%
1930s 1 100%
1940s 3 33%
1950s 49 57% 10% 22% 2%
1960s 134 72% 4% 13% 1%
1970s 315 79% 3% 8% 4%
1980s 480 82% 6% 5% 2%
1990s 1879 72% 10% 7% 5%
2000s 2132 68% 13% 6% 6%
2010s 2595 70% 12% 5% 6%
2020s 453 74% 8% 4% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Rb1 70% 74% ▲ +4.7%
8.Bg5 12% 8% ▼ -4.3%
8.Bd2 5% 4% ▼ -1.0%
8.a3 6% 7% +0.5%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 5 parties
Anand, Viswanathan — 3 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Parties historiques
8.Rb1 — 70.8% (5701 parties)
1889 — Scoones Daniel vs Booker, Brad — 1-0 — Comox
1907 — Blackburne, Joseph vs Znosko-Borovsky, Eugene — 0-1 — Ostende II
1925 — Cs. Nagy, Gabor vs Vajda, Adam — 1-0 — Debrecen HUN
1953 — Kunze, Klaus vs Pakulla — 1/2-1/2 — Jena GER
1954 — Palmason, Gudmundur vs Ciocaltea, Victor — 0-1 — Prague CZE
8.Bg5 — 10.6% (856 parties)
1937 — Sorensen, Ernst Leismann vs Christensen, Alfred — 1-0 — Odense DEN
1954 — Helin, KH. vs Brattstrom Nilsson, Adam — 1-0 — Copenhagen DEN
1956 — Campomanes, Florencio vs Ciocaltea, Victor — 0-1 — Moscow RUS
1957 — Stevenson, Reginald William vs O'Kelly de Galway, Alberic — 0-1 — Bognor Regis
1958 — Pritchard, David Brine vs Cafferty, Bernard — 1-0 — Leamington
8.Bd2 — 6.0% (481 parties)
1895 — Maroczy, Geza vs Charousek Rudolf Rezso — 1/2-1/2 — Budapest HUN
1946 — Bruckhaus, Heinrich vs Elm, Wilhelm — 0-1 — Duesseldorf GER
1951 — Golombek, Harry vs Popel, Stepan — 0-1 — Hastings ENG
1953 — Helin, KH. vs Jorgensen, Oluf — 1-0 — Copenhagen DEN
1956 — Kunerth, Werner E vs Lieb, Harald — 0-1 — Hitzacker
8.a3 — 5.5% (439 parties)
1856 — Isaacson, Gunnar J vs Cambell Tom — 1-0 — ?
1956 — Grogan, Richard vs Clarke, Paul R H — 0-1 — Moskou olm
1963 — Espinoza Aldana, Carlos Enrique vs Quinones Carrillo, Oscar — 0-1 — Fortaleza BRA
1968 — Perez Perez, Francisco Jose vs Boudy Bueno, Julio Leonardo — 0-1 — Santa Clara CUB
1971 — Liljedahl, Lennart vs Akvist, Hakan — 1-0 — SWE-ch Eskilstuna SWE
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés ● f7
Chaînes ● e2→d3, f2→g3, h2→g3, d3→c4 ● d6→e5, c7→d6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e4 (2v1), ● b5 (2v0), ● d5 (2v1), ● g5 (2v0) ● d4 (2v1), ● g4 (2v0), ● e5 (2v1), ● f5 (2v0)
Cases faibles
Centre ● d5 (2v1), ● e4 (2v1) ● d4 (2v1), ● e5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bg2 ● Bg2 Enfermé (mob. 2)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 2 (c1, a1) 2 (c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● c4-c5, ● d3-d4, ● e2-e3 ● …d6-d5, ● …e5-e4
Partie
1941 Mar del Plata – Round 5 – Winz, Victor – 0-1 – Czerniak, Magdalena – G46
1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Nd5 Nxd5 9. cxd5 Ne7 10. Ne1 f5
1951 Hastings5152 – Round 8 – Golombek, Harry – 0-1 – Popel, Stepan – G37
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O e5 7. d3 Nc6 8. Bd2 h6 9. a3 Be6 10. Qc1 Kh7
1956 Moscow olm prel – Round 1 – Campomanes, Florencio – 0-1 – Ciocaltea, Victor – G5
1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. d3 e5 7. O-O Nc6 8. Bg5 h6 9. Bxf6 Qxf6 10. Qd2 Qd8
1957 GBR Ch 44th – Round 7.1 – Wade, Robert G – 1-0 – Barden, Leonard – G32
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. d3 e5 8. Bd2 Nh5 9. Rb1 f5 10. b4 f4
1957 Stevenson Memorial 5th – Round 2 – Stevenson, Reginald William – 0-1 – O'Kelly de Galway, Alberic – G3
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. d3 e5 8. Bg5 h6 9. Bd2 Be6 10. Qa4 Qd7
1958 GBR Ch 45th – Round 7.8 – Pritchard, David Brine – 1-0 – Cafferty, Bernard – G52
1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Bg5 h6 9. Bd2 Be6 10. Qc1 Kh7
1958 Haifa/Tel Aviv – Round 9 – Dunkelblum, Arthur – 1/2-1/2 – Blumenfeld, Rudy – G49
1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 e5 8. Bd2 Nh5 9. Rb1 f5 10. Nd5 f4
1958 Munich olm prel – Round 4 – Golombek, Harry – 0-1 – Eliskases, Erich – G28
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. d3 e5 8. Bd2 h6 9. Qc1 Kh7 10. Nd5 Nxd5
1958 Munich olm prel – Round 6 – Golombek, Harry – 1/2-1/2 – MacLeod, Norman – G128
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. d3 e5 8. Bd2 Nh5 9. Qc1 f5 10. Nd5 f4
1959 Madrid – Round 9 – Golombek, Harry – 1/2-1/2 – De Paoli, Emilio – G37
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Bd2 Bd7 9. Qc1 Ne8 10. Rb1 Ne7
1959 Wch U20 fin-A – Round 7 – Naranja, Renato – 0-1 – Bielicki, Carlos – G26
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. Bd2 h6 9. Rc1 Be6 10. e4 Nd7
1960 GBR Ch 47th – Round 7.14 – Pritchard, David Brine – 0-1 – Wood, Baruch – G57
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Ne1 Nd4 9. e3 Ne6 10. f4 Ne8
1960 Poland Ch – Round 2 – Gabrys, Zygmunt – 0-1 – Gromek, Jozef – G5
1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 d6 5. O-O O-O 6. Nc3 e5 7. d3 Nc6 8. h3 Nh5 9. Be3 f5 10. Bg5 Qd7
1961 Buenos Aires ch-ARG – Round 14 – Bazan, Osvaldo – 1/2-1/2 – Goldenberg, Edgardo – G82
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Bg5 h6 9. Bd2 Be6 10. a3 a5
1961 GBR Ch 48th – Round 3.10 – Golombek, Harry – 1/2-1/2 – Bonner, Gerald – G20
1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nc6 8. Bd2 Bd7 9. Qc1 Qc8 10. Nd5 Nxd5
1961 Zevenaar – Round 5 – Golombek, Harry – 1-0 – Milic, Bozidar – G40
1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. d3 Nf6 6. Nf3 O-O 7. O-O Nc6 8. Bd2 Re8 9. Rc1 h6 10. Nd5 Be6
1962 Olympiad Varna BUL – Round 3 – Golombek, Harry – 0-1 – Castagna, Riccardo – G21
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Bd2 Bd7 9. Qc1 Re8 10. Bh6 Bh8
1962 Varna ol (Men) fin-C – Round 3 – Vivek Kumar, Shukla – 0-1 – Silva Nazzari, Roberto – G6
1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nc6 8. Bd2 Bf5 9. Nh4 Be6 10. Rb1 Qd7
1962 Zuerich Seniors – Round ? – Mueller, Hans – 1/2-1/2 – Zimmermann, Otto – G6
1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d3 e5 8. Ne1 Ne7 9. e4 c6 10. Nc2 Be6
1963 POL Ch 20th – Round 1 – Manasterski, Lutoslaw – 0-1 – Bednarski, Jacek B – G8
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d3 Nc6 8. Bd2 Nh5 9. Qc1 f5 10. Bh6 f4
1964 Tel Aviv olm fin-C – Round 5 – Vivek Kumar, Shukla – 1-0 – Zinser, Sylvain – G25
1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nf6 5. Nf3 O-O 6. O-O Nc6 7. d3 e5 8. Bd2 Ne7 9. Qc1 c6 10. Bh6 Ne8
1968 BCF Ch Bristol ENG – Round 7 – Farrand, Tom – 0-1 – Basman, Michael J – G5
1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 Nc6 8. h3 Bd7 9. e4 Kh8 10. Bg5 Qc8
1968 Bristol ch-BCF – Round 4 – Golombek, Harry – 1/2-1/2 – Perkins, Alan H – G44
1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Bd2 h6 9. Rb1 Be6 10. b4 Qd7
1968 Cardenas/Matanzas/Santa Clara – Round 11 – Perez Perez, Francisco Jose – 0-1 – Boudy Bueno, Julio Leonardo – G51
1. c4 Nf6 2. g3 e5 3. Bg2 Nc6 4. Nc3 g6 5. d3 Bg7 6. Nf3 O-O 7. O-O d6 8. a3 h6 9. Rb1 Nh5 10. e4 Be6
1968 Hungary – Round 1 – Barcza, Gedeon – 1-0 – Sapi, Laszlo – G22
1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. Nf3 O-O 6. O-O Nc6 7. d3 e5 8. Bd2 h6 9. Rc1 Be6 10. a3 Qd7
1968 Hungary – Round 1 – Barcza, Gedeon – 1-0 – Szekely, Mihaly – G20
1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. Nf3 O-O 6. O-O Nc6 7. d3 e5 8. Bd2 h6 9. Ne1 Be6 10. Nd5 Kh7
1975 URS Team Ch – Round ? – Godes, Dmitry R – 0-1 – Kozlov, Vladimir N – G566
1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 e5 8. Nd5 Nxd5 9. cxd5 Ne7 10. Qb3 c6
Alekhine Memorial 2013 – Round 3 – Kramnik, Vladimir – 1/2-1/2 – Vachier-Lagrave, Maxime – G15
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. O-O Nc6 6. Nc3 e5 7. d3 d6 8. b3 Nd4 9. Nd2 c6 10. e3 Ne6
FIDE Candidates 2018 – Round 7.4 – Kramnik, Vladimir – 1/2-1/2 – Ding, Liren – G28
1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O d6 8. b3 Nd4 9. Nd2 c6 10. e3 Ne6
Lindores Abbey Tal Memorial 2021 – Round 2.14 – Sadhwani, Raunak – 1-0 – Swiercz, Dariusz – G65
1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O d6 8. b3 Nd4 9. Nd2 c6 10. e3 Ne6
World Blitz 2015 – Round 8.35 – Malakhov, Valentyn – 0-1 – Adhiban, B. – G491
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d3 Nc6 8. b3 Nh5 9. Bb2 f5 10. Rc1 g5
World Blitz 2019 – Round 2.7 – Artemiev, Vladislav – 1-0 – Golubov, Saveliy – G139
1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. Nf3 d6 6. O-O Nc6 7. d3 e5 8. b3 h6 9. Bb2 Be6 10. e3 Nd7

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