B04 — Alekhine Defense: Modern Variation, Alburt Variation

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 ○ Trait aux Blancs

Ouverture — Tension centrale

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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

Atouts. Les Blancs s'appuient sur la case forte g5 et 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 (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. Bc4 (Fou actif (mobilité 7), Développer f1,) ; Nbd2 (Développer Nb1) ; Be3 (Développer Bc1).

♚ 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 case forte f5, un avant-poste en f5 et 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 (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 39.7%, Nulles 39.7%, Noirs 20.5%.

Coups candidats

auto

Analyse coup par coup — 8 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…Nf6 Contrôle e4, d5.
2.e5 Avancée centrale — contrôle d6, f6. Prépare d6, f6.
2…Nd5 Contrôle f4.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…d6 Avancée centrale — contrôle c5, e5. Prépare e5, Nd7.
4.Nf3 Contrôle c4, f4, c5.
4…g6 Prépare le fianchetto du Fou (Bg7).

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d4→e5	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	tension
Ruptures	● c2-c3, ● e5-e6	● …c7-c6, ● …c7-c5, ● …e7-e6, ● …f7-f6, ● …f7-f5

Partie
1928 Dortmund – Round 3 – Colle, Edgar – 1-0 – Kraemer, Adolf – G6 1. d4 g6 2. e4 Nf6 3. e5 Nd5 4. Nf3 d6 5. c4 Nb6 6. exd6 cxd6 7. Be2 Bg7 8. O-O O-O 9. Nc3 Nc6 10. d5 Nb8
1929 Budapest HUN – Round 1 – Thomas, George Alan – 1-0 – Vajda, Arpad – G20 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bd2 Bg7 6. Qc1 dxe5 7. Nxe5 Nf6 8. c3 Nc6 9. Nxc6 bxc6 10. Be2 a5
1930 Swinemuende – Round 4 – Wagner, Heinrich – 1-0 – Rellstab, Ludwig – G16 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 h6 6. Nxf7 Kxf7 7. Qf3+ Nf6 8. exf6 exf6 9. Bc4+ Kg7 10. O-O c6
1931 Trebitsch mem14 – Round 11 – Koenig, Imre – 1-0 – Beutum, Sigmund – G35 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 e6 7. c4 Bb4+ 8. Nc3 Nxc3 9. Qxd8+ Kxd8 10. Bd2 Nxa2
1932 Nt Hamburg-Altona GER – Round 3 – Wagner, Heinrich – 1-0 – Engert, Immo – G7 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 Nb6 6. Qf3 Be6 7. Nxe6 fxe6 8. Qxb7 N8d7 9. Qe4 Bg7 10. f4 O-O
1938 Trade Unions – Round 9 – Lisitsin, Georgy – 1-0 – Kopaev, Nikolay A – G74 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be2 Bg7 8. Be3 O-O 9. Nc3 Be6 10. b3 d5
1942 USA Open Dallas – Round 13 – Hudson, Jaree Marenda – 0-1 – Yanofsky, Daniel Abraham – G8 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Nc3 Nxc3 6. bxc3 Bg7 7. Bf4 O-O 8. Bd3 Nc6 9. Qd2 Bg4 10. O-O-O Bxf3
1943 Salzburg – Round 1 – Foltys, Jan – 0-1 – Rellstab, Ludwig – G25 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be3 Bg7 8. Be2 Nc6 9. O-O O-O 10. h3 e5
1944 Ventnor City – Round 8 – Levin, Jerome A – 1/2-1/2 – Shainswit, George – G21 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Bg7 8. Be3 O-O 9. Rc1 Bg4 10. h3 Bxf3
1945 Pan American – Round 1 – Seidman, Herbert – 0-1 – Fine, Reuben – G56 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Bg7 8. Be3 O-O 9. Be2 Bg4 10. O-O Nc6
1946 Mar del Plata – Round 15 – Corte, Cesar J – 1-0 – Bauza, Lorenzo – G136 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg4 7. exd6 cxd6 8. Be2 Bg7 9. Be3 O-O 10. O-O Nc6
1946 Staunton, Groningen NED – Round 6 – Christoffel, Martin – 1/2-1/2 – Tartakower, Savielly – G20 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. Be3 Nc6 8. e6 fxe6 9. h4 e5 10. d5 Nb8
1950 Amsterdam – Round 4 – O'Kelly, Albéric de Galway – 1-0 – Golombek, Harry – G62 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. c4 Nb6 7. e6 fxg5 8. d5 Bg7 9. a4 a5 10. h4 gxh4
1951 San Rafael – Round ? – Ader Hausman, Walter – 1-0 – Bauza, Lorenzo – G56 1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. d4 g6 5. Be2 Bg7 6. O-O O-O 7. b3 Nc6 8. c4 Nb6 9. exd6 cxd6 10. Bb2 e5
1951 Staunton Memorial – Round 2 – Rossolimo, Nicolas – 1/2-1/2 – Tartakower, Savielly – G17 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. exd6 cxd6 8. Be2 O-O 9. O-O Bg4 10. Be3 Nc6
1953 Opatija – Round 13 – Kupper, Josef – 1/2-1/2 – Vidmar, Milan Jr – G95 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. exd6 cxd6 9. Nc3 Bg4 10. Be3 Nc6
1953 Wch U20 fin-A – Round 2 – Mellberg B – 0-1 – Persitz, Raaphi – G5 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Nc6 7. Bc4 e6 8. Ne4 Nxe5 9. Bxd5 exd5 10. Qxd5 Qxd5
1953 Zagreb – Round 2 – Janosevic, Dragoljub – 1/2-1/2 – Trifunovic, Petar – G37 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Bg7 7. e6 Bxe6 8. Nxe6 fxe6 9. Be2 Nc6 10. c3 Qd6
1953 Zagreb – Round 7 – Bogdanovic, Rajko – 1/2-1/2 – Fuderer, Andrija – G70 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Bg7 7. Bc4 c6 8. Qf3 O-O 9. Nc3 h6 10. Nge4 Nd7
1956 Montreal – Round 1 – Richardson, Keith B – 0-1 – Berliner, Hans – G29 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Bf4 Bg7 7. Be2 O-O 8. O-O Nc6 9. Nc3 dxe5 10. Bxe5 Nxe5
1956 New York Rosenwald – Round ? – Mednis, Edmar J – 1/2-1/2 – Seidman, Herbert – G48 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. Nf3 Bg7 7. c4 Nb6 8. exf6 exf6 9. Be2 O-O 10. O-O Kh8
1956 Uppsala – Round 1 – Toran Albero, Roman – 0-1 – Korchnoi, Viktor – G6 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. exd6 cxd6 9. Nc3 Nc6 10. Be3 Bg4
1957 CSR Ch sf – Round 15 – Fichtl, Jiri – 1-0 – Kopriva, Jiri – G57 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. b3 Bg7 8. Bb2 Nc6 9. Be2 O-O 10. O-O Bg4
1957 Poland – Round 6 – Grabczewski, Romuald – 1-0 – Matkowski, W. – G11 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. Nc3 O-O 9. Be3 N6d7 10. Qd2 Nf6
1957 Reykjavik ol stud tt – Round 1 – Matimba Manghezi Ravn, Anton – 0-1 – Drimer, Dolfi – G13 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. Nc3 Nc6 9. exd6 cxd6 10. Be3 Bg4
1958 Portoroz Interzonal – Round 14 – Sanguineti, Raúl Carlos – 0-1 – Panno, Oscar – G134 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. Qe2 h6 7. Nf3 Bg7 8. c4 Nc7 9. Bf4 Ne6 10. Bg3 dxe5
1958 Sochi – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Korchnoi, Viktor – G7 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. c4 Nb6 7. exf6 exf6 8. Nf3 Bg4 9. Be2 Bg7 10. O-O O-O
1959 Alekhine Memorial – Round 10 – Vasiukov, Evgeni – 1-0 – Larsen, Benjamin Holsko – G56 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. Bc4 Bg7 7. Qe2 O-O 8. O-O e6 9. Nc3 Nxc3 10. bxc3 d5
1960 AUS Ch – Round 11.2 – Kalinovsky, Peter – 0-1 – Bagirov, Vladimir – G50 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 h6 7. Bc4 c6 8. Nf3 Bg7 9. Nc3 Be6 10. O-O Nxc3
1960 URS Team Ch – Round 1 – Averbach, Y. – 1-0 – Kortchnoi, V. – G8 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. Nc3 Nc6 10. O-O d5
1961 Moskou ZShK – Round 7 – Bakulin, Nikolac I – 0-1 – Bronstein, David I – G35 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. b3 Bg7 7. Bb2 O-O 8. Be2 dxe5 9. Nxe5 c5 10. f4 Nc6
1961 WchT U26 08th – Round 1.2 – Jansa, Vlastimil – 1-0 – Jakobsen, Ole – G4 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. c4 Nc7 7. Qf3 f6 8. exf6 exf6 9. Ne4 Bg7 10. Bf4 O-O
1962 CSR Ch – Round 14 – Acosta Fabian, Janna Paloma – 1/2-1/2 – Jansa, Vlastimil – G122 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Be2 Bg7 7. exd6 cxd6 8. Be3 Nc6 9. Nc3 O-O 10. d5 Na5
1962 Moscow RUS – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Larsen, Benjamin Holsko – G27 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Bg7 7. Bc4 c6 8. Qe2 O-O 9. O-O h6 10. Nf3 Bg4
1962 Wch5 sf10 6265 – Round ? – Homburg, WH . – 0-1 – Cafferty, Bernard – G14 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be3 Bg7 8. Nc3 O-O 9. h3 Nc6 10. Qd2 e5
1962 Wch5 sf10 6265 – Round ? – Tiemann, Hagen – 1-0 – Cafferty, Bernard – G12 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. O-O Nc6 10. Nc3 e5
1964 EU Team Ch sf – Round 2.10 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Kadrev, Zdravko – G19 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Bg7 8. Be2 O-O 9. O-O Bg4 10. b3 Nc6
1964 Sarajevo BIH – Round 4 – Gojak, Ilija – 1/2-1/2 – Ciocaltea, Victor – G10 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Nc3 Nxc3 6. bxc3 Bg7 7. Bf4 O-O 8. h3 Nd7 9. Bd3 dxe5 10. dxe5 Nc5
1964 SWE Ch – Round ? – Burehall, Arne – 1-0 – Ekenberg, Bengt – G52 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. Nc3 O-O 9. O-O Nc6 10. Be3 e5
1965 SM - Falkoping – Round 10 – Nilsson, Arvid – 1/2-1/2 – Ekenberg, Bengt – G24 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. exd6 exd6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Be6 10. c4 Nb6
1965 Titograd – Round 12 – Bogdanovic, Rajko – 0-1 – Knezevic, Milorad – G90 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. c4 Nc7 7. Bd3 Bg7 8. f4 dxe5 9. dxe5 Ne6 10. Nxe6 Bxe6
1966 Harrachov U26 – Round 6 – Smejkal, Jan – 0-1 – Janata, Michael – G23 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. a4 a5 7. exd6 cxd6 8. h3 Bg7 9. Be2 Nc6 10. O-O O-O
1966 La Habana olm fin-A – Round 11 – Evans, Larry Melvyn – 1/2-1/2 – Jansa, Vlastimil – G217 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be2 Bg7 8. O-O O-O 9. Na3 Bg4 10. Be3 Nc6
1966 La Habana olm fin-A – Round 2 – Menvielle Laccourreye, Augusto – 0-1 – Hort, Vlastimil – G40 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Nc3 Nxc3 6. bxc3 Bg7 7. Bd3 Nc6 8. exd6 cxd6 9. O-O O-O 10. Bg5 h6
1966 Oberhausen ol women – Round 9 – Asenova, Venka – 1-0 – Radzikowska, Krystyna – G46 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. exf6 exf6 7. Nf3 Bg7 8. Bc4 Nb6 9. Bb3 d5 10. O-O O-O
1967 Hastings6768 – Round 4 – Hartston, William R – 1/2-1/2 – Gheorghiu, Florin – G20 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. exd6 cxd6 6. Bc4 Nb6 7. Bb3 Bg7 8. O-O Nc6 9. c3 O-O 10. a4 Bf5
1967 Hoogovens – Round 6 – Cuijpers, Frans Andre – 1/2-1/2 – Kavalek, Lubomir – G43 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. exd6 cxd6 9. Nc3 Nc6 10. Be3 Bg4
1967 October Revolution 50 – Round 1 – Westerinen, Heikki M.J. – 0-1 – Hort, Vlastimil – G67 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. exd6 cxd6 8. Be2 O-O 9. O-O Bg4 10. Be3 Nc6
1967 OWL Ch – Round 9 – Groenegress, Wilfried – 1-0 – Speer, Albrecht – G21 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 exd6 7. Bg5 f6 8. Be3 Bg7 9. Nc3 Bg4 10. h3 Bxf3
1967 Sarajevo – Round 14 – Janosevic, Dragoljub – 0-1 – Kavalek, Lubomir – G80 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be2 Bg7 8. Nc3 Bg4 9. Be3 Nc6 10. b3 d5
1967 Sarajevo it – Round 12 – Bogdanovic, Radivoje – 0-1 – Kavalek, Lubomir – G20 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. Qe2 h6 7. Ne4 Bg7 8. f4 O-O 9. Nbc3 Nxc3 10. Nxc3 c5
1967 Sofia tt – Round 2 – Tringov, Georgi P – 1/2-1/2 – Ciocaltea, Victor – G33 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. h3 dxe5 8. Nxe5 c5 9. Bf3 cxd4 10. Qxd4 Be6
1967 Vrnjacka Banja zt – Round 2 – Zuidema, Coen – 1/2-1/2 – Jansa, Vlastimil – G18 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. O-O O-O 9. Nc3 Nc6 10. Be3 Bg4
1967 Vrnjacka Banja zt – Round 8 – Watzka, Horst – 1/2-1/2 – Jansa, Vlastimil – G56 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. c4 Nc7 7. exd6 Qxd6 8. Nc3 Bg7 9. Be3 O-O 10. Qd2 Bf5
1967 YUG Ch 22th – Round 17 – Janosevic, Dragoljub – 1/2-1/2 – Knezevic, Milorad – G96 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Bg7 8. Be3 O-O 9. Be2 Nc6 10. O-O Bg4
1968 Athens – Round 1 – Mihaljcisin, Mihajlo – 0-1 – Bobotsov, Milko G – G15 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. O-O O-O 9. Nc3 Nc6 10. h3 Bf5
1968 Belgrade – Round ? – Messing, Hrvoje – 0-1 – Gipslis, Aivars – G84 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be3 Bg7 8. Qd2 Bg4 9. Bh6 O-O 10. h4 e5
1968 Bristol ch-BCF – Round 1 – Hilton, CG. – 1-0 – Basman, Michael J – G18 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. Bc4 fxg5 7. Bxd5 e6 8. Bb3 dxe5 9. O-O Nc6 10. dxe5 Qxd1
1968 Bristol ch-BCF – Round 2 – Penrose, Justin – 1/2-1/2 – Cafferty, Bernard – G31 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Bg7 7. Bc4 c6 8. e6 Bxe6 9. Nxe6 fxe6 10. Nd2 Nd7
1968 Bucharest – Round 9 – Gipslis, Aivars – 1-0 – Ciocaltea, Victor – G24 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be3 Bg7 8. h3 O-O 9. Nc3 Nc6 10. Rc1 d5
1968 Corr WER/K – Round 1 – Allison Mariama Stern – 0-1 – Berliner, Hans – G8 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Bg7 7. Bc4 c6 8. Nc3 h6 9. Nxf7 Kxf7 10. Nxd5 cxd5
1968 Corr WER/K – Round 1 – Altshuler, Roman Zinovievich – 0-1 – Berliner, Hans – G9 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 dxe5 6. dxe5 Bg7 7. Bc4 c6 8. Qe2 h6 9. Nf3 Bg4 10. Nbd2 b5
1968 Corr WER/K – Round 1 – Ericson, Eduardo – 0-1 – Berliner, Hans – G10 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. O-O Nc6 10. Nc3 Bf5
1968 CSR Ch – Round 19 – Blatny, Frantisek – 1/2-1/2 – Jansa, Vlastimil – G173 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. exd6 cxd6 6. Be2 Bg7 7. O-O O-O 8. Re1 Nc6 9. c3 Bf5 10. Bd3 Bxd3
1968 CSR Team Ch Harrachov – Round 6 – Mlynek, Petr – 0-1 – Kupka, Slavoj – G22 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. Bc4 Bg7 7. Qf3 O-O 8. Bxd5 cxd5 9. Qxd5 dxe5 10. Qxd8 Rxd8
1968 Hoogovens – Round 10 – Padevsky, Nikola – 1/2-1/2 – Hort, Vlastimil – G92 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be2 Nc6 10. O-O Bf5
1968 Lugano ol (Men) fin-B – Round 10 – Penrose, Justin – 1/2-1/2 – Westerinen, Heikki M.J. – G33 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. exf6 exf6 7. Nf3 Bg7 8. Be2 O-O 9. O-O c6 10. c4 Nb6
1968 Lugano ol (Men) qual-E – Round 1 – Huebner, Robert – 1-0 – Rocha, Antonio – G19 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. exd6 cxd6 9. Nc3 Nc6 10. Be3 Bg4
1968 Moscow – Round 1 – Abad Garcia, Gonzalo – 0-1 – Jansa, Vlastimil – G11 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. exd6 cxd6 7. O-O O-O 8. c4 Nb6 9. Be3 Nc6 10. h3 Bf5
1968 ROM Ch – Round 4 – Szabo, Iuliu inactive – 1/2-1/2 – Botez, Constantin – G25 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Bg7 8. Be2 O-O 9. O-O Bg4 10. h3 Bxf3
1968 Skopje/Ohrid – Round 6 – Janosevic, Dragoljub – 0-1 – Gheorghiu, Florin – G53 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. Nc3 Bg4 9. Be3 Nc6 10. b3 O-O
1968 Skopje/Ohrid – Round 9 – Janosevic, Dragoljub – 0-1 – Hort, Vlastimil – G76 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. O-O Bf5 10. Nc3 Nc6
1968 Sweden (ch) – Round 5 – Kinnmark, Ove – 1/2-1/2 – Ekenberg, Bengt – G20 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Be2 Bg7 7. exd6 cxd6 8. O-O O-O 9. Be3 Nc6 10. Nc3 e5
1968 URS Team Ch – Round 1 – Karpov, Aleksandr – 1/2-1/2 – Vaganian, Rafael A – G177 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. b3 O-O 9. Bb2 Nc6 10. O-O Bg4
1968 Varna BUL – Round ? – Pelitov, Dimitar – 1/2-1/2 – Bobotsov, Milko G – G50 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be2 Nc6 10. O-O Bf5
1968 WchT U26 – Round 1 – Espig, Lutz – 1-0 – Votruba, Pavel – G52 1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. d4 g6 5. c4 Nb6 6. exd6 cxd6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Nc3 Bg4
1969 Athens zt – Round 6 – Suer, Halil Cenk – 0-1 – Jansa, Vlastimil – G34 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. Bg5 h6 8. c4 hxg5 9. cxd5 g4 10. Ng5 dxe5
1969 Buesum – Round 5 – Kestler, Hans-Guenther – 0-1 – Bobotsov, Milko G – G12 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. exd6 cxd6 6. Be2 Bg7 7. O-O O-O 8. c4 Nb6 9. Nc3 Nc6 10. Be3 Bg4
1969 Clare Benedict Cup 16th – Round 4 – Blau, Max – 1/2-1/2 – Bouwmeester, Hans – G18 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. Nc3 Nc6 10. O-O Bf5
1969 Debrecen – Round ? – Pytel, Krzysztof – 1-0 – Liebert, Heinz – G17 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be3 Nc6 10. Rc1 Bf5
1969 It Bad Pyrmont GER – Round 3 – Bastian, Herbert – 0-1 – Segal, Alexandru Sorin – G4 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Bg7 8. h3 O-O 9. Be2 Nc6 10. O-O Bf5
1969 Leeuwarden ch-NED – Round 7 – Zuidema, Coen – 1/2-1/2 – Timman, Jan H – G38 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. Nc3 Nc6 10. O-O Bf5
1969 Lublin – Round 1 – Pytel, Krzysztof – 1/2-1/2 – Gipslis, Aivars – G11 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be3 Nc6 10. Rc1 d5
1969 Luhacovice – Round 4 – Blatny, Frantisek – 0-1 – Kupka, Slavoj – G44 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. c4 Nc7 7. Qf3 f6 8. exf6 exf6 9. Ne4 f5 10. Nec3 Bg7
1969 Moskou ch-URS – Round 1 – Kupreichik, Viktor D – 1-0 – Lutikov, Anatoly S – G193 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 f6 6. Bc4 c6 7. exf6 exf6 8. Ne4 f5 9. Bxd5 cxd5 10. Nec3 Qe7+
1969 Moskou ch-URS – Round 1 – Zaitsev, Igor A – 1/2-1/2 – Gipslis, Aivars – G192 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. exd6 cxd6 9. b3 Bg4 10. Nbd2 Nc6
1969 Sweden – Round 1 – Skold, Kristian – 1-0 – Ekenberg, Bengt – G62 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Be2 Bg7 7. exd6 cxd6 8. Nc3 O-O 9. h3 Nc6 10. Be3 Bf5
1969 URS Ch U18 playoff – Round 11 – Karpov, Aleksandr – 1/2-1/2 – Vaganian, Rafael A – G9 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. Nc3 Nc6 10. O-O Bf5
1969 URS Ch U18 playoff – Round 3 – Karpov, Aleksandr – 1/2-1/2 – Vaganian, Rafael A – G3 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. b3 Nc6 8. c4 Nb6 9. exd6 cxd6 10. Bb2 Bg4
1969 URS Ch U18 playoff – Round 7 – Karpov, Aleksandr – 0-1 – Vaganian, Rafael A – G6 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Be2 Bg7 6. c4 Nb6 7. exd6 cxd6 8. h3 O-O 9. O-O Nc6 10. Nc3 Bf5
1969 Vilnius – Round 11 – Timman, Jan H – 1/2-1/2 – Kupka, Slavoj – G54 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be2 Nc6 10. O-O Bf5
1969 Wch jr final A – Round 1 – Karpov, Aleksandr – 1-0 – Neckar, Lubomir – G5 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be2 Nc6 10. O-O Bf5
1969 Wch jr final A – Round 10 – Adorjan, Andras – 1/2-1/2 – Neckar, Lubomir – G28 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Be2 O-O 9. Nc3 Nc6 10. O-O Bf5
1970 IBM – Round 9 – Bednarski, Jacek – 1/2-1/2 – Timman, Jan H – G168 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. h3 Bg7 8. Nc3 O-O 9. Be3 Nc6 10. Rc1 e5
2026 Tata Steel India Rapid - Round 8.3 - Anand, Viswanathan - 1/2-1/2 - Praggnanandhaa R - G38 1. e4 1... Nf6 2. e5 2... Nd5 3. d4 3... d6 4. Nf3 4... g6 5. c4 5... Nb6 6. exd6 6... cxd6 7. Be2 7... Bg7 8. Nc3 8... O-O 9. O-O?! 9... Nc6?! 10. h3 10... h6
World Cup 1988 – Round 1 – Ljubojevic, Ljubomir – 1/2-1/2 – Tal, Mikhail – G85 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. c4 Nc7 7. Qf3 f6 8. exf6 exf6 9. Qe3+ Be7 10. Nf3 O-O

B04j — Modern Fianchetto Variation

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6

Les coups candidats

5.Bc4 — 71.9% (5934 parties) →

Ambassadeurs : Rain, Ricardo Ernesto (140x), Alburt, Lev (67x), Marinkovic, Ivan (48x), Ramponelli, Roberto (37x), Farago, Sandor (35x), Chetverik, Maxim (32x), Krecak, Zvonko (31x), Schmidt, Loren R (29x)

5.c4 — 12.4% (1020 parties)

Ambassadeurs : Neckar, Lubomir (9x), Rain, Ricardo Ernesto (9x), Timman, Jan H (6x), Pavlov, Viktor Aleksandrovi (6x), Jansa, Vlastimil (5x), Gipslis, Aivars (5x), Sismanis, Aggelos (5x), Dobrev, Nanko (5x)

5.Be2 — 9.3% (767 parties)

Ambassadeurs : Cafferty, Bernard (17x), Polaczek, Richard (8x), Vaganian, Rafael A (7x), Jansa, Vlastimil (5x), Karpov, Aleksandr (4x), Segal, Alexandru Sorin (4x), Abel, Peter (4x), Zuidema, Coen (3x)

5.Ng5 — 2.5% (203 parties)

Ambassadeurs : Alburt, Lev (4x), Olf, Hans-Helmut (4x), Capelan, Guenter (3x), Wuhrmann, Daniel (3x), McKay, Roderick M (2x), Wagner, Heinrich (2x), Penrose, Justin (2x), Jansa, Vlastimil (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Bc4	5.c4	5.Be2	5.Ng5
<1800	160	61%	15%	9%	3%
1800-2200	2406	68%	14%	10%	2%
2200-2600	3596	78%	10%	8%	1%
2600+	67	85%	6%	3%	3%

Évolution par décennie (% des parties)

Décennie	N parties	5.Bc4	5.c4	5.Be2	5.Ng5
1860s	1	—	—	—	100%
1920s	4	25%	25%	—	—
1930s	8	—	38%	—	62%
1940s	11	18%	73%	—	—
1950s	31	16%	23%	23%	35%
1960s	175	26%	27%	22%	18%
1970s	533	63%	15%	14%	6%
1980s	768	78%	11%	6%	4%
1990s	2203	76%	10%	9%	2%
2000s	2039	72%	12%	10%	1%
2010s	2015	73%	13%	8%	1%
2020s	463	75%	10%	10%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Bc4	73%	75%	▲ +1.7%
5.c4	13%	10%	▼ -3.6%
5.Be2	8%	10%	▲ +1.4%
5.Ng5	1%	0%	▼ -1.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 7 parties
Karpov, Anatoly — 6 parties
Anand, Viswanathan — 6 parties
Kasparov, Garry — 4 parties
Tal, Mikhail — 3 parties
Smyslov, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Hou, Yifan — 2 parties
Euwe, Max — 1 partie
Ding, Liren — 1 partie

Parties historiques

5.Bc4 — 71.9% (5934 parties)

1925 — Sergeev Veselinov, Alexander vs Vilner, Yakov S — 1-0 — Leningrad ch-URS
1947 — Radojcic, Miroslav vs Vidmar, Milan Jr — 0-1 — JUG-ch Ljubljana
1948 — Unzicker, Wolfgang vs Rellstab, Ludwig — 1-0 — Essen GER
1950 — Pfeiffer, Gerhard vs Rellstab, Ludwig Sr — 1-0 — Hamburg GER
1956 — Matthai, Heinz vs Berliner, Hans — 0-1 — Montreal CAN

5.c4 — 12.4% (1020 parties)

1928 — Colle, Edgar vs Kraemer, Adolf — 1-0 — Dortmund GER
1933 — Kuepper, Falk vs Vidmar Milan — 1-0 — Vienna AUT
1938 — Lisitsin, Georgy vs Kopaev, Nikolay A — 1-0 — Leningrad RUS
1939 — Alexander Alexander vs Tartakower, Savielly — 1-0 — England
1941 — Stanishnev vs Panov, Vasily — 1-0 — Moscow RUS

5.Be2 — 9.3% (767 parties)

1951 — Ader Hausman, Walter vs Bauza, Lorenzo — 1-0 — San Rafael
1953 — Kupper, Josef vs Vidmar, Milan Jr — 1/2-1/2 — Opatija
1953 — Sherbakov, L vs Korchnoi, Viktor — 1-0 — Vilnius LTU
1956 — Toran Albero, Roman vs Korchnoi, Viktor — 0-1 — Uppsala
1957 — Matimba Manghezi Ravn, Anton vs Drimer, Dolfi — 0-1 — Reykjavik ol stud tt

5.Ng5 — 2.5% (203 parties)

1866 — Markland, Peter R vs McKay, Roderick M — 0-1 — ?
1930 — Wagner, Heinrich vs Rellstab, Ludwig — 1-0 — Swinemuende
1930 — Herman Meyer vs Euwe, Max — 1-0 — Soerabaja
1931 — Stoltz, Gosta vs Rellstab, Ludwig Sr — 0-1 — Berlin GER
1931 — Koenig, Imre vs Beutum, Sigmund — 1-0 — Vienna AUT

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