B91l — Sicilian: Najdorf, 6.g3 e5 7.Nde2 Be7

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : arriérés d6, b7, Be7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré f2, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte g4, paire de fous, colonne c.
Faiblesses adverses : arriéré f2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Be7 enfermé, Bc8 enfermé, arriérés d6, b7, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B91l — Najdorf

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7

Eval: [+0.13]

Les coups candidats

8.Bg2 — 92.4% (2017 parties)

Ambassadeurs : Wydornik, Robert (21x), Klewe, Wolfgang (19x), Kholmov, Ratmir D (18x), Corti, Horacio (10x), Kuttner, Jaromir (10x), Egner, Michael (9x), Sarana, Alexey (8x), Matulovic, Milan (7x)

8.a4 — 6.2% (135 parties)

Ambassadeurs : Ivanov, Alexander. (6x), Cosma, Elena-Luminita (5x), Shkuran, Danylo (3x), Mestel, A Jonathan (2x), Ghitescu, Theodor (2x), Pripis, Felixs L (2x), Hodova, Lucie (2x), Bruno, Eduardo (2x)

8.h3 — 0.6% (14 parties)

Ambassadeurs : Neulinger, Manfred (2x), Voekler, Bernd (1x), Gruenenwald, Joerg (1x), Short, Nigel D (1x), Gelfand, Boris (1x), Beerbaum, Joerg (1x), Wolf, Armin (1x), De Luca, Stefano (1x)

8.Bg5 — 0.5% (10 parties)

Ambassadeurs : Matulovic, Milan (3x), Mainka, Alwin (2x), Bogdanovic, Radivoje (1x), Fischer, Robert J (1x), Marić, Rudolf (1x), Bogdanovic, Rajko (1x), Tatai, Stefano (1x), Csuri, Laszlo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Bg2	8.a4	8.h3	8.Bg5
<1800	49	98%	2%	—	—
1800-2200	657	92%	6%	1%	1%
2200-2600	1096	92%	8%	1%	—
2600+	97	98%	1%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Bg2	8.a4	8.h3	8.Bg5
1940s	3	100%	—	—	—
1950s	68	97%	3%	—	—
1960s	59	93%	—	—	7%
1970s	73	92%	8%	—	—
1980s	86	90%	10%	—	—
1990s	206	81%	16%	2%	0%
2000s	353	90%	9%	1%	—
2010s	927	94%	4%	1%	1%
2020s	409	95%	3%	0%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Bg2	94%	95%	▲ +0.6%
8.a4	4%	3%	▼ -1.1%
8.h3	1%	0%	-0.3%
8.Bg5	1%	0%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 3 parties
Anand, Viswanathan — 3 parties
Gukesh D — 3 parties
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8.Bg2 — 92.4% (2017 parties)

1949 — Vasiliev, Viktor A vs Lubienski, Tadeusz — 1/2-1/2 — Tbilisi GEO
1949 — Foltys, Jan vs Ujtelky, Maximilian — 1/2-1/2 — Trencianske Teplice SVK
1949 — Szily, Jozsef vs Kottnauer, Cenek — 0-1 — Trencianske Teplice SVK
1950 — Koblencs, Alexander vs Beilin, Mikhail — 1-0 — Riga LAT
1950 — Burkhardt, Erich vs Mueller, Claus — 1/2-1/2 — Soemmerda GER

8.a4 — 6.2% (135 parties)

1953 — Eliskases, Erich vs Pilnik, Herman — 0-1 — Mar del Plata ARG
1957 — Rellstab, Ludwig vs Bertok, Mario Jr. — 0-1 — Vienna AUT
1970 — Budde, Vladimir vs Nippgen, Georg — 1-0 — Uelzen
1974 — Janak, Jaroslav vs Altschul, Milos — 1-0 — Brno CZE
1975 — Calvo Minguez, Ricardo vs Evans, Larry — 1/2-1/2 — Portimao

8.h3 — 0.6% (14 parties)

1997 — Short, Nigel D vs Gelfand, Boris — 1-0 — Novgorod RUS
1998 — Beerbaum, Joerg vs Wolf, Armin — 1-0 — Mecklenburg VP
1998 — Neulinger, Manfred vs Weiss, Michael — 0-1 — Austria
1999 — Voekler, Bernd vs Gruenenwald, Joerg — 1/2-1/2 — GER
1999 — De Luca, Stefano vs Giordani, Marco — 1/2-1/2 — ?

8.Bg5 — 0.5% (10 parties)

1965 — Marić, Rudolf vs Bogdanovic, Rajko — 1-0 — Titograd
1968 — Matulovic, Milan vs Bogdanovic, Radivoje — 1/2-1/2 — Sarajevo BIH
1968 — Matulovic, Milan vs Fischer, Robert J — 0-1 — Vinkovci CRO
1968 — Matulovic, Milan vs Tatai, Stefano — 1-0 — Reggio Emilia ITA
1992 — Csuri, Laszlo vs Timar, Zsolt — 1/2-1/2 — corr Hungary

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● f2	● d6, ● b7
Chaînes	● f2→g3, h2→g3	● d6→e5, b7→a6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (3v1)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Be7		● Be7 Enfermé (mob. 1)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	4 (b8, 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	fermé
Ruptures	● f2-f3	● …d6-d5

Partie
1949 Trencianske-Teplice – Round 11 – Szily, Jozsef – 0-1 – Kottnauer, Cenek – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. h3 O-O 10. Be3 Nbd7
1951 Mar del Plata zt – Round 9 – Rossetto, Hector – 0-1 – De Souza Mendes, Joao – G87 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. h3 b5 10. O-O Nbd7
1951 Staunton Memorial – Round 4 – Alexander Ronald Cheng – 1-0 – Bogoljubow, Efim – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. O-O Nbd7 10. h3 Rc8
1951 YUG Ch 6th – Round 13 – Fuderer, Andrija – 0-1 – Puc, Stojan – G75 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. b3 O-O 10. O-O b5
1953 Mar del Plata – Round 18 – Eliskases, Erich – 0-1 – Pilnik, Herman – G177 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. a4 Nc6 9. Bg2 O-O 10. O-O Nb4
1954 Munich zt – Round 9 – Kramer, Haije – 1-0 – Lehmann, Karl-Heinz – G57 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. a4 bxa4 10. Rxa4 Nbd7
1954 Olympiad final A – Round 1 – Nilsson, Zandor – 0-1 – Pilnik, Herman – G61 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. O-O O-O 10. a4 a5
1956 Moscow olm fin-A – Round 5 – Teschner, Rudolf – 1-0 – Szilagyi, Gyorgy Laszlo – G75 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. O-O Nbd7 10. Nd5 Nxd5
1957 HUN Ch – Round ? – Sebestyen, Balazs – 0-1 – Szilagyi, Gyorgy Laszlo – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nxd5 10. Qxd5 Ra7
1957 Mar del Plata – Round 8 – Cuellar Gacharna, Miguel – 0-1 – Najdorf, Miguel – G77 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. O-O O-O 10. a4 a5
1958 Munich olm fin-C – Round 5 – Aitken, James – 1-0 – Benitez Diaz, Francisco Javier – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. a4 O-O 10. O-O Qc7
1958 Munich olm prel – Round 6 – Aitken, James – 1/2-1/2 – Penrose, Jonathan – G135 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Qc7 9. a4 b6 10. Be3 Nbd7
1960 Eastbourne Festival Open – Round 4 – Cafferty, Bernard – 1-0 – Pennycuick, David Bruce – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Qc7 9. O-O O-O 10. Kh1 Be6
1960 Leningrad ch-URS – Round 6 – Liberzon, Vladimir M – 1-0 – Shamkovich, Leonid – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Qc7 9. O-O O-O 10. Be3 b5
1963 Pan American Ch – Round 7 – Lopez Mario D – 1/2-1/2 – Cobo Arteaga, Eldis – G29 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Qc7 9. Nd5 Nxd5 10. exd5 Bf5
1965 Titograd – Round 7 – Marić, Rudolf – 1-0 – Bogdanovic, Rajko – G47 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg5 Nbd7 9. Bh3 O-O 10. a4 h6
1966 La Habana olm prel – Round 7 – Enevoldsen, Jens – 1-0 – Littlewood, Norman – G281 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Be6 9. O-O Nbd7 10. h3 b5
1968 Sarajevo – Round 7 – Matulovic, Milan – 1/2-1/2 – Bogdanovic, Radivoje – G49 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Qd3 O-O
1968 Vinkovci – Round 3 – Matulovic, Milan – 0-1 – Fischer, Robert J – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg5 Nbd7 9. Bh3 b5 10. a4 b4
2024 SuperUnited Rapid & Blitz Croatia – Round 9 – Gukesh D – 1-0 – Saric Ivan – G44 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. O-O Nbd7 10. b4 Bb7
3. Norway Chess 2015 – Round 5.2 – Carlsen, Magnus – 1-0 – Grischuk, Alexander – G23 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Bb7
42. Olympiad 2016 – Round 2.26 – Quesada Perez, Yuniesky – 1/2-1/2 – Adly, Ahmed – G112 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 h5 9. Bg5 Be6 10. Qd2 Nbd7
42. Olympiad 2016 – Round 5.18 – Zhang, Zhong – 1/2-1/2 – Papaioannou, Ioannis CS – G341 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 O-O
5. Norway Chess 2017 – Round 9.1 – Karjakin, Sergey – 1/2-1/2 – Vachier-Lagrave, Maxime – G41 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Nb6
FIDE World Cup 2019 – Round 1.2 – Matlakov, Maxim – 1/2-1/2 – Abdusattorov, Nodirbek – G99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nxd5 10. Qxd5 Ra7
FIDE World Cup 2019 – Round 1.4 – Matlakov, Maxim – 1-0 – Abdusattorov, Nodirbek – G161 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Bb7
GCT Blitz YourNextMove 2018 – Round 2.5 – Giri, Anish – 0-1 – Vachier-Lagrave, Maxime – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Nb6
GCT Rapid YourNextMove 2018 – Round 7.4 – Anand, Viswanathan – 0-1 – Grischuk, Alexander – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Nb6
Interpolis 1990 – Round 1 – Kamsky, Gata – 1-0 – Gelfand, Boris – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. O-O Nbd7 10. h3 Bb7
Novgorod 1997 – Round 2 – Short, Nigel D – 1-0 – Gelfand, Boris – G6 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. h3 b5 9. Bg2 Nbd7 10. a3 Bb7
Qatar Masters Open 2015 – Round 3.1 – Giri, Anish – 1-0 – Wojtaszek, Radoslaw – G88 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Nb6
Superbet Rapid & Blitz Poland 2025 – Round 19 – Aravindh Chithambaram VR. – 1/2-1/2 – Gavrilescu David – G91 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Bb7
Vugar Gashimov Mem 2018 – Round 3.1 – Navara, David – 1/2-1/2 – Wojtaszek, Radoslaw – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nbd7 10. Nec3 Nb6
World Blitz 2022 – Round 15.17 – Quparadze, Giga – 0-1 – Sarana, Alexey – G787 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. a4 b4 10. Nd5 Nxd5

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