B34s — Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Nxc6 bxc6 8.e5 Ng8

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Nxc6 bxc6 8.e5 Ng8 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd4 (50 % des parties) ; f4 (Attaque à l'aile roi — 49 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nh6 (Développer g8 — 36 % des parties) ; ...f6 (28 % des parties) ; ...Qa5 (Contrôle diagonale a5-e1, Prépare O-O-O — 18 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	● a7
Arriérés	—	—
Chaînes	—	● d7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (2v1), ● e4 (1v0)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● b

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Be3	● Be3 Actif (mob. 9)
Bg7		● Bg7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● f1, ● a1, ● h1)	4 (● g8, ● c8, ● 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	mobile
Ruptures	● e5-e6	● …d7-d6, ● …f7-f6

Partie
1912 DSB-18.Kongress – Round 8 – Mieses, Jacques – 0-1 – Tarrasch, Siegbert – G59 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1950 Moskou ch-URS – Round 1 – Aronin, Lev – 0-1 – Geller, Efim P – G72 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. exf6 Nxf6
1951 YUG Ch 7th – Round 7 – Ivkov, Borislav – 0-1 – Puc, Stojan – G58 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. exf6 Nxf6
1952 Helsinki olm – Round 1 – Bisguier, Arthur B – 1/2-1/2 – Geller, Efim P – G198 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 Bxd4
1953 CSR Ch Prague – Round 3 – Fichtl, Jiri – 1-0 – Sajtar, Jaroslav – G17 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. e6 dxe6
1954 DDR Ch 05th – Round 6 – Platz, Hans – 1/2-1/2 – Koch, Berthold – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 O-O
1955 Buenos Aires CA – Round 5 – Ivkov, Borislav – 1-0 – Pachman, Ludek – G37 1. e4 c5 2. Nc3 g6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1955 Hungary Ch – Round 1 – Foldi, Jozsef – 0-1 – Dely, Peter – G42 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nxc6 bxc6 7. e5 Ng8 8. Be3 Bg7 9. Bd4 Qa5 10. e6 Nf6
1955 Odessa Odessa UKR – Round ? – Bannik, Anatolij – 0-1 – Lein, Anatoly – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. exf6 Nxf6
1955 POL-URS Lodz POL – Round ? – Plater, Kazimierz – 0-1 – Vasiukov, Evgeni – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. e6 Nf6
1955 Prague tm Prague CZE – Round 1 – Fichtl, Jiri – 1-0 – Gawlikowski, Stanislaw – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qf3 O-O
1955 Zagreb – Round 11 – Ivkov, Borislav – 1-0 – Pirc, Vasja – G115 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 d5
1956 Moscow olm fin-A – Round 9 – Ivkov, Borislav – 1/2-1/2 – Dobkin, Iosef – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 O-O
1956 URS Ch, semi final – Round 11 – Krogius, Nikolai V – 1-0 – Buslaev, Aleksander – G88 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 d5
1957 CSR Ch – Round 14 – Fichtl, Jiri – 1-0 – Herink, Miroslav – G60 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qd2 d6
1957 HUN Ch Budapest HUN – Round ? – Benko, Pal – 1/2-1/2 – Gasztonyi, Endre – G30 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. exf6 Nxf6
1957 JUG Ch – Round 4 – Vukcevich, Milan – 1/2-1/2 – Pirc, Vasja – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1957 JUG Ch – Round 6 – Bradvarevic, Aleksandar – 1/2-1/2 – Pirc, Vasja – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1957 Sombor – Round 12 – Vukcevich, Milan – 1/2-1/2 – Puc, Stojan – G118 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 Bxd4
1957 URS Ch, semi final – Round 7 – Shiyanovsky, Vladislav Ivanovich – 1-0 – Sokolsky, Alexey – G65 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qd2 Qa5
1958 Munich olm prel – Round 5 – Stoeckl, Ernst – 1/2-1/2 – Minev, Nikolay N – G117 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Qc7
1958 Riga ch-URS – Round 17 – Boleslavsky, Isaac – 1/2-1/2 – Gurgenidze, Bukhuti – G131 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qd2 O-O
1960 Leipzig olm prel – Round 9 – Myagmarsuren, Lkhamsuren – 1/2-1/2 – Wade, Robert G – G319 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1960 Leningrad tt – Round 2 – Kupka, Slavoj – 1/2-1/2 – Stefanov , Preslav – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 d5 10. exd6 exd6
1960 New York ch-USA – Round 5 – Seidman, Herbert – 1/2-1/2 – Reshevsky, Samuel – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bc4 O-O
1960 Sarajevo – Round 8 – Puc, Stojan – 1-0 – Pirc, Vasja – G47 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Qc7
1960 UKR Ch – Round 7 – Stein, Leonid – 1-0 – Bannik, Anatolij – G42 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bc4 Nf5
1961 Debrecen – Round 10 – Boleslavsky, Isaac – 1-0 – Szily, Jozsef – G68 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. e6 Nh6
1961 ROM Ch – Round 6 – Vaisman, Volodia – 0-1 – Partos, Charles – G39 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. f4 f6
1962 Varna olm – Round 4 – Dueckstein, Andreas – 1-0 – Benko, Pal – G182 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Qa5
1962 Whitby ch-BCF – Round 5 – Payne, Robert – 1/2-1/2 – Cafferty, Bernard – G65 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. e6 Nf6
1963 Corr – Round ? – Kinnmark, Ove – 0-1 – v.Perlo, G – G5 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bd3 d6
1963 DDR Ch 13th – Round 4 – Geissert, Eberhard – 0-1 – Baumbach, Friedrich, Dr. – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. e6 d5
1963 Fortaleza zt – Round 3 – Camara, Helder – 1-0 – Klein, Juan Carlos – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qd2 O-O
1963 GDR Ch Aschersleben GER – Round 4 – Geissert, Eberhard – 0-1 – Baumbach, Friedrich, Dr. – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. e6 d5
1963 Leningrad – Round ? – Ravinsky, Grigory – 0-1 – Zilberstein, Valery I – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qd2 Qa5
1963 URS – Round ? – Goldenov, Boris P – 0-1 – Aronin, Lev – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 O-O
1963 WchT U26 10th – Round 2.3 – Perman, Torvald – 1-0 – Schmidt, Wlodzimierz – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Be2 O-O
1963 Winnipeg – Round 13 – Yanofsky, Daniel Abraham – 1-0 – Vaitonis, Povilas – G29 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 O-O
1963 Zenica ch YUG – Round 10 – Mestrovic, Zvonimir – 1-0 – Pirc, Vasja – G53 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Qa5
1964 Tel Aviv olm fin-B – Round 10 – Dueckstein, Andreas – 0-1 – Letelier Martner, Rene – G120 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. e6 Bxd4
1965 Belgrade – Round 1 – ? – 1/2-1/2 – Ostojic, Predrag – G3 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. g4 d6
1965 Budapest2 – Round 14 – Janosevic, Dragoljub – 1-0 – Pirc, Vasja – G52 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. Bd4 Qc7
1965 Corr W-05ch – Round ? – Stern, Werner Dr – 1/2-1/2 – Endzelins, Lucius – G11 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1965 Gyula – Round 1 – Haag, Ervin – 1-0 – Forintos, Gyozo V – G10 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 Bxe5
1965 Noordwijk – Round 1 – Trifunovic, Petar – 1-0 – Kort, Jacob – G7 1. Nf3 g6 2. d4 Bg7 3. e4 c5 4. Nc3 Nc6 5. Be3 cxd4 6. Nxd4 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 Bxe5
1965 WchT U26 12. fin-B – Round 6 – Levy, David N L – 0-1 – Spiridonov, Nikola – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 O-O
1966 Ch (Men) Budapest HUN – Round 5 – Szilagyi, Peter – 0-1 – Balogh, Bela – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bc4 O-O
1966 Den Haag zt – Round 17 – Diez del Corral, Jesus – 1/2-1/2 – Velimirovic, Dragoljub – G90 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 f6
1966 It II Beverwijk NED – Round 6 – Ostojic, Predrag – 1/2-1/2 – Jongsma, Alexander – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qd2 d6
1966 La Habana olm prel – Round 3 – Witt, Leslie – 0-1 – Malich, Burkhard, Dr. – G57 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qf3 O-O
1966 Lanjaron – Round 1 – Abeledo Calvo, Uxia – 0-1 – O'Kelly de Galway, Alberic – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qf3 Rb8
1966 Lanjaron – Round 4 – Calvo José Minguez, Ricardo – 0-1 – O'Kelly, Albéric de Galway – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Qf3 Rb8
1966 Sunderland ch-BCF – Round 10 – Horton, Michael Howard – 1-0 – Fazekas, Stephan – G86 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 Bxe5
1966 Yugoslavia – Round 1 – Rakic, Tomislav – 0-1 – Tsarev, Valentin – G7 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. e6 d5
1967 Glasgow Open – Round 1 – Levy, David N L – 1/2-1/2 – Watt, David Anthony – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1967 OWL Ch – Round 1 – Gilg, Karl – 1-0 – Pesch, Werner – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 f6
1967 Sarajevo – Round 14 – Tringov, Georgi P – 1/2-1/2 – Stein, Leon Rico – G79 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 Bxe5
1968 Bamberg – Round 1 – Dueckstein, Andreas – 1-0 – Toran Albero, Roman – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. f4 Nh6
1968 Bamberg – Round 1 – Klundt, Klaus – 1/2-1/2 – Toran Albero, Roman – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1968 Copenhagen ch-DEN – Round 1 – Hamann, Svend – 1/2-1/2 – Andersen, Borge – G27 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1968 Corr – Round 1 – Allison Mariama Stern – 1/2-1/2 – Endzelins, Lucius – G31 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1968 Lugano ol (Men) – Round 1 – Dueckstein, Andreas – 1-0 – Jansson, Borje – G42 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Nh6
1968 Lugano ol (Men) fin-B – Round 10 – Levy, David N L – 1/2-1/2 – Ree, Hans – G31 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. exf6 Nxf6
1968 Lugano olm - Round 1 - Boey, Jin Huey - 1/2-1/2 - Ree, Hans - G211 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. exf6 Nxf6
1968 New York ch-USA – Round 11 – Seidman, Herbert – 0-1 – Zuckerman, Bernard – G62 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. Bc4 fxe5
1968 Olympiad Lugano SUI – Round 1 – Camara, Helder – 0-1 – Cuijpers, Frans Andre – G6 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. f5 Qa5
1968 YUG Ch 23th – Round 6 – Cebalo, Miso – 0-1 – Ostojic, Predrag – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1969 Hoogovens – Round 8 – Ostojic, Predrag – 1-0 – Ree, Hans – G63 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. Bd4 Nh6
1969 Raach zt – Round 13 – Radulov, Ivan – 1-0 – Lahti, Jouko – G114 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1969 Vidmar Memorial – Round 2 – Tringov, Georgi P – 1-0 – Damjanovic, Mato – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7
1969 Wch jr final A – Round 5 – Kaplan, Julio – 1-0 – Juhnke, Juergen – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Nh6
Eurotel Trophy 2002 – Round 3.1 – Kasparov, Garry – 1/2-1/2 – Ivanchuk, Vasyl – G62 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 f6 10. Bd4 Qa5
FIDE World Blitz Championship 2025 – Round 3 – Javokhir Sindarov – 1-0 – Galaviz Medina Sion Radamantys – G56 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 Bxe5
World Blitz 2018 – Round 8.55 – Predke, Alexandr – 1-0 – Gordievsky, Dmitry – G497 1. e4 c5 2. Nc3 g6 3. Nge2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. f4 Rb8

B34s — Accelerated Fianchetto, Modern (1912)

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Nxc6 bxc6 8.e5 Ng8

Les coups candidats

9.Bd4 — 49.7% (1304 parties)

Ambassadeurs : Certek, Pavel (8x), Kyc, Jerzy (7x), Baumbach, Friedrich, Dr. (6x), Pirc, Vasja (5x), Dueckstein, Andreas (5x), Medunova, Vera (5x), Quizon, Daniel (5x), Girya, Olga (4x)

9.f4 — 49.1% (1287 parties)

Ambassadeurs : Pieri, Filippo (5x), Knoppert, Erik (5x), ? (4x), Schaefer, Anke (4x), Faulks, Nick (4x), Kutynec, Vladimir (4x), Ostojic, Predrag (3x), Fichtl, Jiri (3x)

9.Bf4 — 0.5% (14 parties)

Ambassadeurs : Bolduc, Steve (1x), Ivanov, Igor V. (1x), Krstevski, Sasko (1x), Arias, Jorge (1x), Gueth, Andreas (1x), Brethauer, Sarah (1x), Mkrtchian, Lilit (1x), Nguyen, Thi Tuong Van (1x)

9.Bc4 — 0.3% (8 parties)

Ambassadeurs : Cirabisi, Federico (1x), Capece, Adolivio (1x), Blokhin, Andrew J. (1x), Chandler, Joseph H (1x), Farran Martos, Francesco Xavier (1x), Vila Gazquez, Xavier (1x), Sergeev, Vladimir Sergeevich (1x), Isaev, Anatoly Nikolaevich (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Bd4	9.f4	9.Bf4	9.Bc4
<1800	235	44%	55%	—	0%
1800-2200	1284	46%	52%	1%	0%
2200-2600	749	61%	38%	1%	0%
2600+	14	64%	36%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Bd4	9.f4	9.Bf4	9.Bc4
1950s	42	57%	43%	—	—
1960s	86	52%	48%	—	—
1970s	55	65%	33%	—	—
1980s	38	37%	58%	3%	3%
1990s	297	34%	64%	1%	0%
2000s	680	45%	53%	1%	0%
2010s	965	49%	50%	0%	0%
2020s	460	67%	33%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Bd4	49%	67%	▲ +18.1%
9.f4	50%	33%	▼ -17.8%
9.Bf4	0%	0%	-0.3%
9.Bc4	0%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 2 parties
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

9.Bd4 — 49.7% (1304 parties)

1952 — Bisguier, Arthur Bernard vs Geller, Efim P. — 1/2-1/2 — Helsinki FIN
1954 — Platz, Hans vs Koch, Berthold — 1/2-1/2 — Meerane
1955 — Ivkov, Borislav vs Pachman, Ludek — 1-0 — Buenos Aires ARG
1955 — Ivkov, Borislav vs Pachman, Ludek — 1-0 — Buenos Aires ARG
1955 — Barta, Jan vs Sabata, Miroslav — 1-0 — Prague CZE

9.f4 — 49.1% (1287 parties)

1950 — Aronin, Lev vs Geller, Efim P. — 0-1 — Moskou ch-URS
1951 — Ivkov, Borislav vs Puc, Stojan — 0-1 — Sarajevo BIH
1951 — Suetin, Alexey S vs Simagin, Vladimir — 1-0 — Tbilisi GEO
1953 — Fichtl, Jiri vs Sajtar, Jaroslav — 1-0 — Prague CZE
1954 — Tyroler vs Partos, Charles — 1-0 — RUM ch sf

9.Bf4 — 0.5% (14 parties)

1988 — Bolduc, Steve vs Ivanov, Igor V. — 0-1 — Quebec Invitational
1995 — Krstevski, Sasko vs Arias, Jorge — 1/2-1/2 — Halle wch-jr
1998 — Gueth, Andreas vs Brethauer, Sarah — 1-0 — Oberhof
1998 — Mkrtchian, Lilit vs Nguyen, Thi Tuong Van — 1-0 — Elista RUS
1999 — Ginsburg, Gennadi vs Becker, Michael — 1/2-1/2 — Pfalz

9.Bc4 — 0.3% (8 parties)

1989 — Cirabisi, Federico vs Capece, Adolivio — 0-1 — Celle Ligure
1995 — Blokhin, Andrew J. vs Chandler, Joseph H — 1-0 — ?
2002 — Farran Martos, Francesco Xavier vs Vila Gazquez, Xavier — 0-1 — Barcelona ESP
2002 — Sergeev, Vladimir Sergeevich vs Isaev, Anatoly Nikolaevich — 0-1 — RCCA
2005 — Bennion, David vs Flynn, Jamie — 1-0 — Cork IRL

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