B35 — Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, case forte d5, Be3 actif, Bc4 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● f3 — Poussée f3 [Masters 71%]
● h3 — Poser la question au fou adverse [Masters 25%]
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), paire de fous, colonne c.
Faiblesses adverses : roi blanc au centre.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours [Masters 76%]
● ...d6 — Libérer Bc8 [Masters 5%]
● ...Qa5 — Contrôle diagonale a5-e1, Prépare O-O-O, [Masters 18%]
● ...d5 — Rupture
● ...e6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 33.2%, Nulles 44.9%, Noirs 21.9%.

B35a — Accelerated Fianchetto Modern

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4

Eval: [+0.42]

Les coups candidats

7…O-O — 67.7% (18059 parties) →

Ambassadeurs : Guseinov, Gadir (55x), Hector, Jonny (39x), Tiviakov, Sergei (32x), Forintos, Gyozo V (27x), Klovans, Janis (23x), Eberth, Zoltan Bela (23x), Apicella, Manuel (20x), Velimirovic, Dragoljub (20x)

7…Qa5 — 23.7% (6308 parties) →

Ambassadeurs : Baumbach, Friedrich, Dr. (36x), Brodie, Hugh (28x), Bellon Lopez, Juan Manuel (18x), Ankerst, Milka (17x), Kagan, Shimon (16x), Toran Albero, Roman (15x), Toma, Katarzyna (14x), Maze, Sebastien (13x)

7…d6 — 7.0% (1861 parties) →

Ambassadeurs : Molzahn, Norbert (18x), Spiridonov, Nikola (12x), Kislinsky, Alexey (11x), Cruzado Dueñas, Carlos (9x), Estrin, Yakov (8x), Alsayed, Mohammed (8x), Kupreichik, Viktor D (7x), Maze, Sebastien (7x)

7…Na5 — 0.4% (113 parties)

Ambassadeurs : Savchenko, Boris (11x), Pirc, Vasja (6x), Zakharchenko, Arnold (5x), Ankerst, Milka (4x), Khegay, Ksenia (4x), Gvetadze, Sofio (4x), Zakharchenko, Alexander (3x), Wade, Robert G (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…O-O	7…Qa5	7…d6	7…Na5
<1800	1035	66%	25%	6%	0%
1800-2200	9791	67%	25%	6%	0%
2200-2600	10587	73%	20%	6%	0%
2600+	393	77%	18%	4%	1%

Évolution par décennie (% des parties)

Décennie	N parties	7…O-O	7…Qa5	7…d6	7…Na5
1900s	2	50%	—	—	—
1910s	1	—	—	100%	—
1920s	1	—	—	—	—
1930s	1	100%	—	—	—
1940s	1	100%	—	—	—
1950s	51	86%	2%	12%	—
1960s	1052	43%	29%	23%	3%
1970s	1038	49%	38%	11%	0%
1980s	792	62%	28%	8%	0%
1990s	3141	65%	27%	6%	0%
2000s	7598	68%	24%	7%	0%
2010s	10576	71%	22%	6%	0%
2020s	2414	80%	15%	5%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…O-O	71%	80%	▲ +9.0%
7…Qa5	22%	15%	▼ -7.0%
7…d6	6%	5%	▼ -1.2%
7…Na5	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Kramnik, Vladimir — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

7…O-O — 67.7% (18059 parties)

1905 — Kurrle, William vs Sawyer, Joseph — 1-0 — Montreal CAN
1938 — Kunerth, Werner E vs Gruenfeld, Ernst — 1/2-1/2 — Krakow POL
1944 — Gromek, Aleksandra vs Veresov, Valentin — 0-1 — Minsk BLR
1951 — Zagorovsky, I vs Simagin, Vladimir — 1-0 — Moscow ch-city
1951 — Zagorovsky, Vladimir vs Simagin, Vladimir — 0-1 — Moscow RUS

7…Qa5 — 23.7% (6308 parties)

1959 — Gurgenidze, Bukhuti vs Geller, Alexander — 1-0 — Erevan ARM
1960 — Spassky, Boris V. vs Gurgenidze, Bukhuti — 1-0 — Leningrad ch-URS
1960 — Kofman, Abram R vs Gufeld, Eduard — 1-0 — Kiev UKR
1960 — Pustina, Ylvi vs Padevsky, Nikola — 1-0 — Varna Varna BUL
1960 — Durão, Joaquim Manuel vs Pustina, Ylvi — 0-1 — Leipzig GER

7…d6 — 7.0% (1861 parties)

1911 — Giersing vs Brodersen, Jeppe — 0-1 — Klampenborg
1958 — Bastrikov, Georgy vs Simagin, Vladimir — 1-0 — Tashkent ch URS sf
1959 — Zuckerman, Bernard vs Blackstone, John — 1-0 — Omaha, NE
1959 — Tcherniak, Gilles vs Stefanov Josif — 0-1 — Muenchenstein/Basel
1959 — Rumens, David E vs Stefanov, Josif Jovchev — 1-0 — Muenchenstein/Basel

7…Na5 — 0.4% (113 parties)

1961 — Darga, Klaus vs Pirc, Vasja — 1/2-1/2 — Graz AUT
1961 — Gragger, Anton Fritz vs Pirc, Vasja — 0-1 — Reggio Emilia ITA
1961 — Smailbegovic, Hasan vs Pirc, Vasja — 1-0 — Sarajevo BIH
1961 — Di Camillo, Attilio vs Benko, Pal — 0-1 — ?
1961 — Fischer, Robert J vs Bertok, Mario Jr. — 1-0 — Bled SLO

Coups candidats

auto

Analyse coup par coup — 13 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…Nc6 Contrôle d4, e5.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…g6 Prépare le fianchetto du Fou (Bg7).
5.Nc3 Contrôle c4, f4, d5, f5.
5…Bg7 Contrôle d4, e5, f5.
6.Be3 Contrôle c4, f4, d5, f5.
6…Nf6 Contrôle d4, e4, d5, e5.
7.Bc4 Contrôle f4, d5, f5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● b5 (3v0), ● d5 (3v1)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be3	● Be3 Actif (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (a1, h1)	3 (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	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1961 Bled – Round 10 – Fischer, Robert J – 1-0 – Bertok, Mario Jr. – G97 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Na5 8. Be2 O-O 9. O-O d5 10. exd5 Nxd5
1961 Reggio Emilia ITA – Round 10 – Gragger, Anton Fritz – 0-1 – Pirc, Vasja – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bxf7+ Kxf7 9. e5 d5 10. exf6 Bxf6
1961 Sarajevo – Round 2 – Smailbegovic, Hasan – 1-0 – Pirc, Vasja – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 Nxb3 9. axb3 O-O 10. Ndb5 a6
1962 Candidats Tournament – Round 20 – Keres, Paul Petrovich – 1-0 – Benko, Pal – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Be2 O-O 9. O-O d6 10. f4 Bd7
1962 CSR Ch – Round 14 – Vesely, Jiri – 1/2-1/2 – Marsalek, Josef – G117 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Nb3 Qd8 10. Be2 O-O
1962 Erevan ch-URS – Round 14 – Stein, Leon Rico – 1/2-1/2 – Aronin, Lev – G159 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qc7 8. Bb3 a6 9. f3 Ne5 10. Qe2 d6
1962 Erevan ch-URS – Round 16 – Stein, Leon Rico – 1/2-1/2 – Zaitsev, Aleksandr – G161 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Be2 d6 9. O-O Bd7 10. f4 O-O
1962 Lasker Memorial – Round 8 – Raetsch, Heinz – 0-1 – Malich, Burkhard, Dr. – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Bc4 Na5 8. Be2 d6 9. O-O O-O 10. f3 Bd7
1962 Spartak Ch – Round 13 – Sergievsky, Vladimir D – 0-1 – Bannik, Anatolij – G101 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Na5 8. Bb3 Nxb3 9. axb3 d6 10. f3 O-O
1962 Spartak Ch – Round 13 – Suetin, Alexey S – 1-0 – Kotkov, Yuri M – G100 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 Nxb3 9. Nxb3 d6 10. f3 Be6
1962 Varna olm – Round 4 – Matanovic, Aleksandar – 1-0 – Zinn, Lothar – G183 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxb3
1962 Varna olm – Round 8 – Ivkov, Borislav – 1-0 – Soos, Balint – G357 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bg7 7. Bc4 Na5 8. Bxf7+ Kxf7 9. e5 d5 10. exf6 Bxf6
1963 Hoogovens-B – Round 8 – Ankerst, Mihael – 1/2-1/2 – Wade, Robert G – G25 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 Nxb3 9. axb3 O-O 10. Ndb5 a6
1963 HUN-RSFSR – Round 4.8 – Honfi, Karoly – 1-0 – Zaitsev, Alexander – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bxf7+ Kxf7 9. e5 Nc4 10. exf6 Bxf6
1963 Leningrad – Round ? – Ravinsky, Grigory – 1/2-1/2 – Dubinsky, Alexander – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Be2 d6 9. f3 Bd7 10. Qd2 h5
1963 Sochi – Round 2 – Kholmov, Ratmir D – 1/2-1/2 – Zaitsev, Aleksandr – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Be2 d6 9. O-O Bd7 10. f4 O-O
1963 Spartak CC – Round ? – Estrin, Yakov – 0-1 – Zhidkov, Valery S – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Be2 O-O 10. Nb3 Qd8
1963 USSR ch-06 6364 – Round ? – Shaposhnikov, Yury – 1/2-1/2 – Zaitsev, Alexander – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bxf7+ Kxf7 9. e5 Nc4 10. exf6 Bxf6
1963 Zenica ch YUG – Round 12 – Ciric, Dragoljub M – 1/2-1/2 – Pirc, Vasja – G65 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bd3 O-O 9. Nd5 Nc6 10. Nxf6+ Bxf6
1964 Buenos Aires – Round 8 – Pilnik, Herman – 1-0 – Rubinetti, Jorge – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Bc4 Qc7 8. Bb3 a6 9. f3 b5 10. Qd2 Bb7
1964 Tel Aviv olm prel – Round 5 – Kupper, Josef – 1/2-1/2 – Letelier Martner, Rene – G182 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Ng4 8. Nxc6 dxc6 9. Qxd8+ Kxd8 10. Rd1+ Ke8
1964 Zagreb – Round 10 – Kupreianov, George – 1-0 – Fuderer, Andrija – G55 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 O-O 9. e5 Ne8 10. Bxf7+ Kxf7
1965 Asztalos Memorial 8th – Round 14 – Paoli, Enrico – 1/2-1/2 – Pirc, Vasja – G90 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Be2 O-O 9. O-O d6 10. f3 Bd7
1965 Novi Sad – Round 13 – Bradvarevic, Aleksandar – 1-0 – Ankerst, Marjan – G108 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bxf7+ Kxf7 9. e5 Nc4 10. exf6 Bxf6
1965 WchT U26 12. prel – Round 3 – Kapengut, Albert – 1-0 – Van Soom, Herman – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Ng4 8. Qxg4 Nxd4 9. Qd1 Nc6 10. Qd2 d6
1966 Harrachov U26 – Round 7 – Janata, Michael – 1-0 – Plachetka, Jan – G26 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Ng4 8. Qxg4 Nxd4 9. Qd1 Nc6 10. Bb3 d6
1967 Sofia women – Round 4 – Asenova, Venka – 0-1 – Radzikowska, Krystyna – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Be2 O-O 9. Nb3 d6 10. O-O Bd7
1968 WchT U26 15. fin-B – Round 6.1 – Pritchett, Craig W – 0-1 – Kagan, Shimon – G25 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 Nxb3 9. Nxb3 d6 10. f3 O-O
World Blitz 2007 – Round 22 – Carlsen, Magnus – 1-0 – Savchenko, Boris – G211 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Na5 8. Bb3 d6 9. h3 O-O 10. O-O Bd7
World Blitz 2007 – Round 28 – Anand, Viswanathan – 1/2-1/2 – Savchenko, Boris – G271 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Na5 8. Be2 d6 9. O-O O-O 10. f4 Bd7

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