A43 — Benoni Defense: Old Benoni

1. d4 c5 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le pion en c5).

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. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, libère Bf1) ; d5 (Occuper le centre,) ; Nbd2 (Développer Nb1) ; Nf3 (Développer Ng1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

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. 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

Base Masters : Blancs 42.0%, Nulles 31.3%, Noirs 26.7%.

Coups candidats

auto

Analyse coup par coup — 2 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
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, ● d4-d5, ● e2-e3, ● f2-f3	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1921 Vienna-B – Round 8 – Benesch F – 1/2-1/2 – Lokvenc, Josef – G8 1. d4 c5 2. Bf4 cxd4 3. Bxb8 Qa5+ 4. c3 dxc3 5. Nxc3 Rxb8 6. e4 a6 7. Nf3 d6 8. Bc4 Nf6 9. O-O g6 10. Re1 Bg4
1923 Frankfurt – Round 1 – Guntzer Vetter, Thomas – 0-1 – Caceres Richter, Dylan – G1 1. d4 c5 2. Nf3 cxd4 3. Nxd4 e5 4. Nf3 Nf6 5. Nc3 d5 6. Nxe5 d4 7. e3 dxc3 8. Qxd8+ Kxd8 9. Nxf7+ Ke8 10. Nxh8 Bb4
1933 Hastings3334 – Round 2 – Menchik, Vera Frantsevna – 0-1 – Alekhine, Alexander – G6 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. c4 e5 5. Nc2 d4 6. e3 Nc6 7. exd4 exd4 8. Bd3 Nf6 9. O-O Be7 10. Re1 Bg4
1935 Buenos Aires – Round 1 – Piazzini, Luis – 1-0 – Guimard, Jean Louis – G26 1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. d5 Bg7 5. Nc3 d6 6. e4 a6 7. a4 Nbd7 8. Be2 O-O 9. O-O Qc7 10. Bf4 Ne5
1935 Luhacovice CZE – Round ? – Rohacek, Ivan – 1-0 – Rejfir, Josef – G7 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. Nc3 Nf6 5. Bf4 Nc6 6. e4 Nxe4 7. Nxc6 bxc6 8. Nxe4 dxe4 9. Qxd8+ Kxd8 10. O-O-O+ Ke8
1951 Moskou ch-URS – Round 1 – Terpugov, Evgeny – 0-1 – Geller, Efim P – G79 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Bg5 Nbd7 8. Qd2 Qa5 9. O-O Re8 10. Bh6 Bh8
1952 YUG Ch – Round 7 – Udovcic, Mijo – 1-0 – Krivec Slavko – G8 1. d4 c5 2. c4 d6 3. Nf3 Nd7 4. Nc3 e6 5. e4 cxd4 6. Nxd4 Ngf6 7. Be2 Be7 8. O-O a6 9. Be3 O-O 10. f4 Qc7
1953 Bucharest – Round 9 – Golombek, Harry – 0-1 – Reicher, Emanoil-George – G89 1. d4 Nf6 2. Nf3 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Be2 O-O 7. O-O Nbd7 8. h3 a6 9. a4 Qc7 10. Bg5 h6
1954 Mar del Plata ARG – Round 21 – Panno, Oscar – 1/2-1/2 – Shocron, Ruben – G21 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. g3 e5 5. Nb3 Nc6 6. Bg2 Be6 7. O-O Qd7 8. Nc3 Rd8 9. f4 e4 10. Nb5 Nf6
1954 Olympiad final B – Round 1 – Philippe, Georges – 0-1 – Raizman, Maurice – G3 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. e3 e5 5. Ne2 Nf6 6. c4 Bb4+ 7. Bd2 Bxd2+ 8. Nxd2 O-O 9. cxd5 Nxd5 10. Ng3 b6
1954 URS Ch, semi final – Round 1 – Antoshin, Vladimir S – 1-0 – Lebedev, Boris – G36 1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. O-O c5 7. d5 b6 8. Nd2 Na6 9. f4 Nc7 10. a4 e6
1956 Corr W-02ch – Round ? – Bergraser, Volf – 0-1 – Schmid, Lothar – G1 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Be2 Na6 7. O-O Nc7 8. a4 a6 9. Nd2 Bd7 10. f4 O-O
1957 DDR Ch 08th – Round 6 – Raetsch, Heinz – 1-0 – Malich, Burkhard, Dr. – G36 1. d4 c5 2. d5 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 Nf6 6. Be2 Na6 7. O-O Nc7 8. Bg5 O-O 9. a4 a6 10. Nd2 Bd7
1957 EU Team Ch – Round 2 – Keres, Paul – 1/2-1/2 – Schmid, Leo – G15 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Nf6 6. Nc3 Na6 7. O-O Nc7 8. a4 a6 9. Nd2 Bd7 10. a5 Nb5
1957 Mar del Plata – Round 1 – Albert Seguer, Eladio – 0-1 – Ader Hausman, Walter – G7 1. d4 c5 2. d5 Nf6 3. Nc3 d6 4. e4 g6 5. Be2 Bg7 6. Nf3 O-O 7. Nd2 a6 8. a4 Nbd7 9. Nc4 b6 10. Bf4 Ne8
1957 Wageningen zt – Round 1 – Donner, Jan-Hein – 1-0 – Hein-Teschner, Rudolf – G2 1. d4 c5 2. d5 d6 3. e4 g6 4. Be2 Bg7 5. Nf3 Nf6 6. Nc3 Na6 7. Nd2 Nc7 8. a4 a6 9. a5 Bd7 10. Na4 Bxa4
1958 Haifa/Tel Aviv – Round 1 – Wade, Robert G – 1-0 – Branicki, Ignacy – G2 1. d4 c5 2. d5 Nf6 3. Nc3 g6 4. e4 d6 5. Nf3 Bg7 6. Be2 O-O 7. O-O a6 8. a4 b6 9. Bf4 Nbd7 10. Qd2 Rb8
1958 Haifa/Tel Aviv – Round 13 – Czerniak, Moshe – 1/2-1/2 – Wade, Robert G – G76 1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O e6 8. Nd2 exd5 9. exd5 Nbd7 10. a4 a6
1958 Kienbaum – Round 7 – Antoshin, Vladimir S – 0-1 – Braun, Gottfried, Dr. – G21 1. d4 c5 2. d5 d6 3. e4 g6 4. Be2 Nf6 5. Nc3 Bg7 6. Nf3 Na6 7. O-O Nc7 8. a4 Bd7 9. Bf4 O-O 10. Qd2 a6
1959 FRG Ch Nuerenberg GER – Round 9 – Bialas, Wolfram – 0-1 – Schmid, Lothar – G31 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Be2 Na6 7. O-O Nc7 8. a4 a6 9. Re1 O-O 10. Bf1 Bg4
1959 HUN Ch Budapest HUN – Round 12 – Hevizi, Laszlo Dr – 0-1 – Honfi, Karoly – G45 1. d4 c5 2. c4 cxd4 3. Nf3 e5 4. a3 d6 5. e3 dxe3 6. Bxe3 Nf6 7. Nc3 Be7 8. Qb3 O-O 9. h3 Nbd7 10. O-O-O Qc7
1960 Ch - Campbell High S – Round 7 – Pollock, R. – 0-1 – Blackstone, John – G7 1. d4 Nf6 2. d5 c5 3. f3 d6 4. e4 g6 5. Bd2 Bg7 6. Bc3 a6 7. Nd2 b5 8. f4 Bb7 9. b3 O-O 10. e5 Nxd5
1960 CSR Ch – Round 3 – Alster, Ladislav – 1/2-1/2 – Vesely, Jiri – G20 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Nf6 6. Nc3 Na6 7. O-O Nc7 8. a4 Bd7 9. Be3 O-O 10. h3 a6
1960 Leipzig olm fin-A – Round 7 – Botvinnik, Mikhail – 1-0 – Schmid, Leo – G113 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Nf6 6. Nc3 Na6 7. O-O Nc7 8. a4 a6 9. Nd2 Bd7 10. Nc4 b5
1960 Leipzig olm prel – Round 4 – Borja Gonzalez, Manuel – 1/2-1/2 – Kortchnoi, V. – G113 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. e3 Nf6 5. c4 e5 6. Nf3 Nc6 7. cxd5 Nxd5 8. Bc4 Be6 9. O-O Be7 10. Qe2 O-O
1960 UKR Ch – Round 7 – Zurakhov, Vladlen Y – 1/2-1/2 – Rotstein, Jefim – G40 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O a6 8. a4 h6 9. Bf4 Nh5 10. Be3 Kh7
1961 CSR Ch – Round 17 – Opocensky, Karel – 1/2-1/2 – Jansa, Vlastimil – G158 1. d4 c5 2. Bf4 Qb6 3. d5 Qxb2 4. Nd2 Nf6 5. c4 d6 6. e4 Na6 7. a3 g6 8. Qc1 Qxc1+ 9. Rxc1 Bg7 10. Rb1 O-O
1961 Graz 1st – Round 2 – Marthaler, Otto – 1/2-1/2 – Robatsch, Karl – G3 1. d4 g6 2. e4 Bg7 3. Be2 c5 4. d5 d6 5. Nf3 Nf6 6. Nc3 O-O 7. O-O Bg4 8. Be3 Bxf3 9. Bxf3 Nbd7 10. Be2 Rb8
1962 Budapest-Warsaw m – Round ? – Lovass, Imre – 0-1 – Adamski, Jan – G27 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 Na6 7. O-O Nc7 8. a4 O-O 9. Nd2 a6 10. a5 Rb8
1962 Hoogovens-B2 – Round 4 – Bink, Johan – 1/2-1/2 – Scafarelli, Francesco – G6 1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. O-O h6 8. Nd2 Ne8 9. Nc4 f5 10. exf5 Bxf5
1962 Varna olm – Round 1 – Spassky, Boris V. – 1-0 – Shmidt, Aleksandr – G11 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Nf6 6. Nc3 Na6 7. O-O Nc7 8. Re1 O-O 9. a4 a6 10. Bg5 h6
1963 AUS Ch – Round 8 – Tan, Lian Ann – 1-0 – Koshnitsky, Gregory – G7 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. Be2 a6 7. a4 O-O 8. O-O Ne8 9. Nd2 Nd7 10. f4 b6
1963 CSR Ch – Round 1 – Kavalek, Lubomir – 1-0 – Vesely, Jiri – G6 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O Nbd7 8. Re1 a6 9. a4 b6 10. Bf1 Rb8
1963 CSR Ch – Round 10 – Simek, Jakub – 0-1 – Vesely, Jiri – G90 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. h3 b5 8. Nd2 b4 9. Ncb1 e6 10. c4 exd5
1963 Nt Helmbrechts GER – Round 2 – Friehoff, Heinz – 0-1 – Gerusel, Mathias – G6 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. Nc3 e6 5. e4 dxe4 6. Nxe4 a6 7. Be3 Nf6 8. Nxf6+ Qxf6 9. c3 e5 10. Nf3 Nc6
1964 Hoogovens-B – Round 1 – Litmanowicz, Wladyslaw – 1/2-1/2 – Kieninger, Georg – G3 1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. g3 e5 5. Nf3 Nc6 6. Bg2 f5 7. c4 d4 8. O-O Nf6 9. b4 e4 10. Ne1 Bxb4
1964 Kislovodsk – Round ? – Kluger, Gyula – 1-0 – Tal, Mikhail – G26 1. d4 c5 2. d5 d6 3. Nc3 g6 4. Nf3 Bg7 5. e4 Nf6 6. Be2 Na6 7. O-O Nc7 8. a4 O-O 9. Bf4 b6 10. h3 Bb7
1964 WchT U26 11. fin-A – Round 10.3 – Ujtumen, Tudev – 0-1 – Adamski, Jan – G180 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 Na6 7. Bg5 h6 8. Bf4 Nc7 9. a4 O-O 10. Qd2 g5
1965 Capablanca Memorial – Round 7 – Wade, Robert G – 0-1 – Szabo, Ladislav – G67 1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. Be2 Bg7 6. Nf3 Na6 7. O-O Nc7 8. Re1 O-O 9. Bf4 b5 10. Nxb5 Nxe4
1965 Chigorin Memorial – Round 1 – Lein, Anatoly – 1-0 – Zaitsev, Alexander – G1 1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O Bg4 8. Ng5 Bxe2 9. Qxe2 h6 10. Nf3 Na6
1965 GDR Ch – Round 1 – Neukirch, Detlef – 1-0 – Bruentrup, Dieter – G1 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Be2 Nf6 6. Nf3 Na6 7. O-O Nc7 8. a4 O-O 9. Nd2 e6 10. Nc4 exd5
1965 Hastings ch-BCF – Round 10 – Pritchard, David J – 0-1 – Fazekas, Stephan – G100 1. d4 g6 2. e4 Bg7 3. Nf3 c5 4. d5 d6 5. Be2 Nf6 6. Nc3 a6 7. a4 O-O 8. O-O Nbd7 9. Nd2 Ne5 10. f4 Neg4
1966 Bucharest Bucharest ROM – Round 4 – Gheorghiu, Florin – 1/2-1/2 – Partos, Charles – G10 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. O-O e5 8. Nd2 Ne8 9. a4 f5 10. Nc4 f4
1966 Havana – Round 1 – Cobo Arteaga, Eldis – 1/2-1/2 – Gadia, Olicio – G11 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Be2 O-O 7. O-O a6 8. a4 Bg4 9. Nd2 Bxe2 10. Qxe2 Nbd7
1966 La Habana olm fin-B – Round 4 – Fallone, Michael – 1/2-1/2 – Boey, Josef – G55 1. d4 c5 2. Bf4 cxd4 3. Bxb8 Rxb8 4. Qxd4 a6 5. e4 d6 6. f4 Nf6 7. Nc3 e6 8. Rd1 Qc7 9. Nf3 Be7 10. e5 dxe5
1966 La Habana olm fin-B – Round 6 – Janetschek, Karl – 1-0 – Filipowicz, Andrzej – G21 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. O-O a6 8. a4 Nbd7 9. Bf4 Rb8 10. Nd2 Ne8
1966 Rubinstein Memorial 04th – Round 7 – Smyslov, Vladimir – 1-0 – Balcerowski, Witold – G39 1. Nf3 Nf6 2. d4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. O-O e5 8. dxe6 Bxe6 9. Ng5 Bc8 10. Bf4 h6
1967 Havana Armies Ch 4th – Round 2 – Myagmarsuren, Lkhamsuren – 0-1 – Zheliandinov, Viktor – G9 1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O e6 8. h3 exd5 9. exd5 Bf5 10. Bd3 Bxd3
1967 Moscow – Round 1 – Stein, Leonid – 1-0 – Bilek, Istvan – G85 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. O-O Bg4 8. Nd2 Bxe2 9. Qxe2 Nbd7 10. Nc4 Nb6
1967 October Revolution 50 – Round 1 – Barcza, Gedeon – 1-0 – Tringov, Georgi P – G71 1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. O-O Bg4 8. h3 Bxf3 9. Bxf3 Na6 10. Be3 Rb8
1967 Sarajevo it – Round 12 – Savon, Vladimir – 1/2-1/2 – Dan Nikolic, Slobodan – G19 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 Nbd7 7. O-O O-O 8. a4 Ne8 9. Be3 Ndf6 10. h3 Nc7
1967 Sousse Interzonal – Round 9 – Larsen, Benjamin Holsko – 1-0 – Stein, Leon Rico – G82 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O Bg4 8. Bg5 Nbd7 9. Nd2 Bxe2 10. Qxe2 Re8
1968 Capablanca Memorial – Round 1 – O'Kelly de Galway, Alberic – 0-1 – Stein, Leon Rico – G40 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O Bg4 8. Bg5 Bxf3 9. Bxf3 Nbd7 10. Be2 Rc8
1968 Churchill Memorial Open 16th – Round 6 – Kazic, Bozidar – 1-0 – Littlewood, Norman – G12 1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O Bg4 8. Nd2 Bxe2 9. Qxe2 Nbd7 10. Nc4 a6
1968 Southend – Round 1 – Hartston, William R – 1-0 – Andy Zane Wright – G10 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. O-O e6 8. Nd2 exd5 9. exd5 b6 10. a4 Re8
1969 Amsterdam AMRO Open – Round ? – Langeweg, Kick – 1/2-1/2 – Ree, Hans – G6 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Be2 Na6 7. O-O Nc7 8. a4 a6 9. Nd2 Bd7 10. Nc4 b5
1970 IBM – Round 3 – Langeweg, Kick – 1/2-1/2 – Jongsma, Alexander – G175 1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. d5 d6 5. Be2 Nf6 6. Nc3 Na6 7. O-O Nc7 8. Nd2 Bd7 9. a4 a6 10. a5 Nb5
1970 IBM – Round 5 – Geller, Efim P – 1-0 – Jongsma, Alexander – G89 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. c4 e5 6. Be2 Ne7 7. Nc3 Nd7 8. O-O O-O 9. Rb1 h6 10. Nb5 Nf6
1972 San Antonio – Round 1 – Browne, Walter Shawn – 1/2-1/2 – Evans, Larry M – G102 1. e4 e6 2. d4 c5 3. d5 exd5 4. exd5 d6 5. Nc3 Nf6 6. Nf3 Be7 7. Be2 O-O 8. Nd2 Na6 9. Nc4 Nc7 10. a4 b6
1972 San Antonio – Round 4 – Keres, Paul – 1/2-1/2 – Browne, Walter Shawn – G29 1. d4 c5 2. d5 Nf6 3. Nc3 d6 4. e4 g6 5. Nf3 Bg7 6. Bb5+ Nbd7 7. O-O a6 8. Bd3 b5 9. a4 b4 10. Nb1 a5
1972 San Antonio – Round 4 – Keres, Paul – 1/2-1/2 – Browne, Walter Shawn – G30 1. d4 c5 2. d5 Nf6 3. Nc3 d6 4. e4 g6 5. Nf3 Bg7 6. Bb5+ Nfd7 7. O-O a6 8. Bd3 b5 9. a4 b4 10. Nb1 a5
1972 Skopje ol (Men) fin-A – Round 13 – Rossetto, Hector – 0-1 – Huebner, Robert – G122 1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. Nf3 e6 5. e4 exd5 6. exd5 Be7 7. h3 O-O 8. Bf4 b6 9. Bc4 Na6 10. O-O Nc7
1974 Manila – Round 11 – Quinteros, Miguel Angel – 0-1 – Larsen, Bent – G30 1. d4 e6 2. e4 c5 3. d5 exd5 4. exd5 d6 5. Bd3 Nf6 6. c4 Be7 7. Nc3 O-O 8. h3 Nbd7 9. f4 Ne8 10. g4 g6
1975 URS Team Ch – Round ? – Gurgenidze, Bukhuti – 1-0 – Tal, Mihail – G48 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Bb5+ Nd7 6. O-O Nf6 7. Re1 O-O 8. a4 a6 9. Bf1 b6 10. h3 Ne8
Dortmund 1997 – Round 7 – Huebner, Robert – 0-1 – Ivanchuk, Vasyl – G27 1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 Na6 7. O-O Nc7 8. Bf4 O-O 9. a4 b6 10. Qd2 Re8
Hoogovens 1987 – Round 1 – Andersson, Ulf – 1-0 – Zapata, Alonso – G33 1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. d5 d6 5. Be2 Nf6 6. Nc3 O-O 7. O-O a6 8. a4 Bg4 9. Nd2 Bxe2 10. Qxe2 Nbd7
Olympiad 2002 – Round 1 – Sharavdorj, Dashzegve – 1/2-1/2 – Ivanchuk, Vasyl – G18 1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 Na6 7. O-O Nc7 8. a4 O-O 9. h3 b6 10. Re1 Bb7
SWIFT 1986 – Round 1 – Timman, Jan H – 1-0 – Jadoul, Michel – G18 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 Nf6 5. Nc3 O-O 6. Be2 d6 7. O-O e6 8. dxe6 Bxe6 9. Be3 Nc6 10. Qd2 Qe7
World Blitz 2016 – Round 15.32 – Grandelius, Nils – 0-1 – Belyakov, Bogdan – G606 1. d4 Nf6 2. Nc3 c5 3. d5 g6 4. e4 d6 5. Be2 Bg7 6. Nf3 O-O 7. O-O Bg4 8. a4 Bxf3 9. Bxf3 Nbd7 10. Bf4 Rb8
World Blitz 2023 – Round 6.13 – Erigaisi Arjun – 1-0 – Sindarov, Javokhir – G324 1. d4 Nf6 2. Nc3 c5 3. d5 g6 4. e4 d6 5. Be2 Bg7 6. Nf3 O-O 7. Nd2 e6 8. O-O exd5 9. exd5 Re8 10. Nc4 Ne4

A43a —

1.d4 c5

Eval: [+0.87]

Les coups candidats

2.d5 — 63.6% (28625 parties) →

Ambassadeurs : Szalanczi, Emil (133x), Munoz, Miguel (89x), Sikora-Lerch, Jan (88x), Lenz, Juergen (79x), Van Riemsdijk, Herman C. (73x), Rahls, Peter (65x), Velimirovic, Dragoljub (63x), Danner, Georg (46x)

2.e3 — 10.5% (4746 parties) →

Ambassadeurs : Kovacevic, Vlatko (30x), Dobos, Otto (13x), Haba, Petr (10x), Petrovic, Marija (10x), Van Riemsdijk, Herman C. (10x), Rahls, Peter (10x), Achenbach, Manfred (10x), Kovacs, Arthur Dr. (8x)

2.c3 — 9.9% (4454 parties) →

Ambassadeurs : Velimirovic, Dragoljub (17x), Piankov, Evgenij (11x), Rahls, Peter (11x), Neumann, Horst (10x), Karlik, Vladimir (10x), Kukov, Velislav (10x), Kuhn, Gerd (9x), Abel, Lajos (9x)

2.Nf3 — 7.0% (3141 parties)

Ambassadeurs : Krasiewicz, Robert (10x), Lenz, Juergen (8x), Honsch, Pal (6x), Hanken, Jerome B (5x), Slapak, Zdenek (5x), Hoang Canh Huan (5x), Fekete, Albert (5x), Sikorova, Olga (5x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2.d5	2.e3	2.c3	2.Nf3
<1800	1842	52%	14%	12%	12%
1800-2200	18388	60%	12%	12%	8%
2200-2600	14986	74%	8%	9%	3%
2600+	108	85%	3%	4%	1%

Évolution par décennie (% des parties)

Décennie	N parties	2.d5	2.e3	2.c3	2.Nf3
1840s	4	75%	25%	—	—
1850s	1	100%	—	—	—
1870s	1	—	—	—	100%
1880s	1	—	—	100%	—
1890s	9	67%	11%	—	—
1900s	33	48%	24%	3%	—
1910s	41	73%	7%	7%	—
1920s	69	59%	16%	4%	6%
1930s	151	73%	13%	—	3%
1940s	52	73%	12%	4%	4%
1950s	323	74%	9%	4%	3%
1960s	650	77%	6%	5%	4%
1970s	739	70%	8%	6%	8%
1980s	1778	70%	8%	8%	6%
1990s	8374	63%	10%	10%	7%
2000s	14902	61%	11%	10%	7%
2010s	15500	63%	11%	11%	7%
2020s	2377	71%	8%	9%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2.d5	63%	71%	▲ +7.7%
2.e3	11%	8%	▼ -3.5%
2.c3	11%	9%	▼ -1.7%
2.Nf3	7%	5%	▼ -2.1%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Tal, Mikhail — 10 parties
Euwe, Max — 6 parties
Smyslov, Vladimir — 3 parties
Kasparov, Garry — 3 parties
Karpov, Anatoly — 3 parties
Botvinnik, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Lasker, Emanuel — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie

Parties historiques

2.d5 — 63.6% (28625 parties)

1841 — Hanstein, Jubilee vs Von der Lasa, Tassilo — 1-0 — Berlin GER
1843 — Staunton, Howard vs Saint Amant, Pierre C — 1-0 — Paris FRA
1843 — Staunton, Howard vs Saint Amant, Pierre C — 1-0 — Paris FRA
1857 — Lichtenhein, Theodore vs Raphael, Benjamin — 1-0 — New York, NY USA
1895 — Von Bardeleben, Curt vs Pollock, William — 1-0 — ?

2.e3 — 10.5% (4746 parties)

1844 — Williams, Elijah J vs Withers, John — 1-0 — Bristol ENG
1899 — Alvarez Lee, Felix vs Blackburne, Joseph — 0-1 — London ENG
1907 — Mason, James vs Popiel, Ignacy — 0-1 — Vienna AUT
1907 — Berger, Johann vs Martinolich, Giovanni Jr — 0-1 — Vienna AUT
1907 — Berger, Johann vs Martinolich, G — 0-1 — Vienna AUT

2.c3 — 9.9% (4454 parties)

1882 — Praneet Santosh Ware vs Blackburne — 0-1 — Vienna AUT
1909 — Leon Lysistrate Labatt vs Capablanca, Jose — 1-0 — New Orleans, LA USA
1910 — W A Ruth W H Hughes vs Capablanca, Jose — 0-1 — Philadelphia, PA USA
1915 — Selezniev, Alexey vs Rabinovich, Ilya Mar — 0-1 — Triberg
1917 — Loewenborg, Otto vs Berndtsson, Karl — 1/2-1/2 — Kristiania

2.Nf3 — 7.0% (3141 parties)

1871 — Mohr, Carl Vincent vs Zukertort, Johannes — 0-1 — Berlin GER
1920 — Vordank, K vs Schlage, Willi — 0-1 — Berlin GER
1923 — Guntzer Vetter, Thomas vs Caceres Richter, Dylan — 0-1 — Frankfurt GER
1926 — Chater, Hilda F vs Price, Edith Charlotte — 1-0 — Edinburgh SCO
1928 — Hernandez Torralba, Jose Joaquin vs Montalban, Jose — 0-1 — Mar del Plata ARG

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