B90j — Sicilian: Najdorf, 6.Be3 Ng4 7.Bg5 h6 8.Bh4 g5 9.Bg3 Bg7 10.Be2

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Ng4 7.Bg5 h6 8.Bh4 g5 9.Bg3 Bg7 10.Be2 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 3
bQ
bKRoi au centre — vulnérable
bR
bPPion arriéré — cible
bP
bP
bBMauvais fou (4/7 pions)
bP
bP
bP
Case forte (2v0)
Case forte (2v1)
bP
wN
wPPion central
bN
wN
wBFou actif — mobilité 4
wP
wP
wP
wBFou actif — mobilité 7
wP
wP
wP
wR
wQ
wK
wR
abcdefgh
Avantages : majorité aile_dame (3v2), case forte d5, case forte f5, Be2 actif, Bg3 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré b7, Bg7 mauvais fou, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wKRoi au centre — doit roquer
wQ
wR
wP
wP
wP
wB
wP
wP
wP
wB
wN
bN
wP
wN
bP
Avant-poste C (accessible)
bP
bP
bP
bBFou actif — mobilité 4
bP
bP
bP
bR
bK
bQ
bB
bN
bR
hgfedcba
Avantages : majorité centre (2v1), case forte e5, avant-poste e5(C), Bg7 actif, paire de fous, colonne c.
Faiblesses adverses : roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, arriéré 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
● ...e6 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
B90j — Najdorf
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Ng4 7.Bg5 h6 8.Bh4 g5 9.Bg3 Bg7 10.Be2 h5
Eval: [+0.00]
Les coups candidats
11.Bxg4 — 58.6% (745 parties)
Ambassadeurs : Kempinski, Robert (14x), Shirov, Alexei (10x), Kasparov, Garry (8x), Lanka, Zigurds (8x), Socko, Bartosz (8x), Anand, Viswanathan (7x), Bernal Varela, Nelson (7x), Topalov, Veselin (5x)
11.h4 — 25.4% (323 parties)
Ambassadeurs : Roberts, Anthony J (4x), De La Villa Garcia, Jesus Maria (3x), Rashkovsky, Nukhim N (3x), Castillo, German (3x), Massy, Giel (3x), Kulaots, Kaido (3x), Romanishin, Oleg M (2x), Mukhin, Mikhail (2x)
11.Nf5 — 9.4% (120 parties)
Ambassadeurs : Medvegy, Zoltan Dr. (5x), Kempinski, Robert (3x), Berg, Edvard Vallestrand (3x), Ruck, Robert (3x), Shirov, Alexei (2x), Polgar, Judit (2x), Toro Solis de Ovando, Guillermo F (2x), Jobava, Baadur (2x)
11.h3 — 6.4% (81 parties)
Ambassadeurs : Szklarczyk, Z. (1x), Migala, Andrzej (1x), Schulz, Michael (1x), Pflug, Matthias (1x), Paddock, Silvia, Dr. (1x), Kargoll, Boris, Dr. (1x), Gudat, Alfons (1x), Mas, Hafizulhelmi (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11.Bxg4 11.h4 11.Nf5 11.h3
<1800 26 50% 23% 4% 19%
1800-2200 337 53% 29% 7% 10%
2200-2600 666 63% 22% 12% 3%
2600+ 74 70% 23% 5% 1%
Évolution par décennie (% des parties)
Décennie N parties 11.Bxg4 11.h4 11.Nf5 11.h3
1970s 2 100%
1990s 365 60% 28% 7% 6%
2000s 525 63% 19% 13% 5%
2010s 339 54% 29% 8% 8%
2020s 41 37% 51% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11.Bxg4 54% 37% ▼ -17.1%
11.h4 29% 51% ▲ +21.7%
11.Nf5 8% 0% ▼ -8.3%
11.h3 8% 12% ▲ +4.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Anand, Viswanathan — 7 parties
Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
11.Bxg4 — 58.6% (745 parties)
1992 — Mainka, Romuald vs Tischbierek, Raj — 1/2-1/2 — Baden-Baden GER
1993 — Kuehn, Peter vs Wilhelmi, Christian — 1/2-1/2 — GER
1993 — Gershnik, Anna vs Bollengier, Andreea — 1/2-1/2 — Bratislava SVK
1993 — Benjamin, Joel vs Kaidanov, Gregory — 1-0 — New York, NY USA
1993 — Kotronias, Vasilios vs Tsomis, Dimitrios — 1-0 — ?
11.h4 — 25.4% (323 parties)
1974 — Romanishin, Oleg M vs Mukhin, Mikhail — 1-0 — Chelyabinsk RUS
1974 — Romanishin, Oleg M vs Mukhin, Mikhail — 1-0 — Chelyabinsk RUS
1990 — Cseshkovsky, Vitaly vs Ruban, Vadim — 0-1 — Balassagyarmat
1990 — Tseshkovsky, Vitaly vs Ruban, Vadim — 0-1 — Balassagyarmat
1992 — Rasik, Vitezslav vs Michelakis, George — 1/2-1/2 — Buenos Aires ARG
11.Nf5 — 9.4% (120 parties)
1993 — Szieberth, Adam vs Anka, Emil — 0-1 — Balatonbereny open
1994 — Cordovil, Joao vs Sanakoev, Grigory — 0-1 — ICCF
1996 — Florean, Andrei-Costel vs Ardeleanu, Alin — 1-0 — Herculane
1997 — Rade, Miroslav vs Muse, Drazen — 1/2-1/2 — Medulin
1998 — van Kempen, Heinz vs Soltau, Achim — 1/2-1/2 — Pappier Memorial A
11.h3 — 6.4% (81 parties)
1991 — Soos, Arpad vs Orso, Miklos — 0-1 — Hungary Tch
1992 — Shirov, Alexei vs Sadler, Matthew D — 1/2-1/2 — Oviedo rapid
1993 — Szklarczyk, Z. vs Migala, Andrzej — 0-1 — cr.
1993 — Paddock, Silvia, Dr. vs Kargoll, Boris, Dr. — 0-1 — Muenster GER
1993 — Blimke-Deren, Dalia vs Kaminski, Marcin — 0-1 — Polanica Zdroj POL
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés ● b7
Chaînes ● h6→g5, b7→a6, e7→d6
Passés
Majorité ● aile_dame 3v2 ● centre 2v1
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d5 (2v0), ● f5 (2v1) ● e5 (3v1)
Cases faibles
Centre ● d5 (2v0), ● e4 (1v0) ● e5 (3v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Be2 ● Be2 Actif (mob. 7)
Bg3 ● Bg3 Actif (mob. 4)
Bg7 ● Bg7 Actif (mob. 4)
Bc8 ● Bc8 Non développé (mob. 3)
Paire de fous ● Oui ● Oui
Non développées 2 (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 semi-ouvert
Ruptures ● e4-e5, ● f2-f3 ● …d6-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5
Partie
42. Olympiad 2016 – Round 7.2 – Shirov, Alexei – 1/2-1/2 – Giri, Anish – G494
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
42. Olympiad 2016 – Round 7.6 – McShane, Luke J – 1/2-1/2 – Yu, Yangyi – G524
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 Ng4 9. Bg5 h6 10. Bh4 g5
73. Tata Steel GMA 2011 – Round 8 – Shirov, Alexei – 1-0 – Grischuk, Alexander – G40
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Amber Rapidplay 2002 – Round 1 – Leko, Peter – 0-1 – Gelfand, Boris – G3
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Baku FIDE Grand Prix 2014 – Round 11.2 – Svidler, Peter – 1/2-1/2 – Gelfand, Boris – G59
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Chess Classic Giants, Frankfurt GER 1998 – Round 2 – Anand, Viswanathan – 1-0 – Kasparov, Garry – G1
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Chess Classic, Frankfurt GER 1997 – Round 3 – Topalov, Veselin – 0-1 – Anand, Viswanathan – G2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 Ng4 9. Bg5 h6 10. Bh4 g5
Dortmunder Schachtage 1999 – Round 1 – Anand, Viswanathan – 1/2-1/2 – Topalov, Veselin – G2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Dortmunder Schachtage 1999 – Round 2 – Adams, Michael – 1/2-1/2 – Anand, Viswanathan – G7
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 Ng4 9. Bg5 h6 10. Bh4 g5
FIDE Candidates 2014 – Round 13.3 – Svidler, Peter – 1/2-1/2 – Mamedyarov, Shakhriyar – G51
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
FIDE World Cup 2015 – Round 1.3 – Zhao, Jun – 0-1 – Nepomniachtchi, Ian – G143
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Frankfurt-West Masters 1999 – Round 13 – Leko, Peter – 1/2-1/2 – Lutz, Christopher – G49
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Geneve Credit Suisse 1996 – Round 2.2 – Topalov, Veselin – 0-1 – Kasparov, Garry – G4
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Geneve Credit Suisse 1996 – Round 4.1 – Anand, Viswanathan – 0-1 – Kasparov, Garry – G8
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Geneve Credit Suisse 1996 – Round 4.4 – Anand, Viswanathan – 1-0 – Kasparov, Garry – G11
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Hoogovens 1998 – Round 12 – Shirov, Alexei – 0-1 – Salov, Valery – G58
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Hoogovens 1999 – Round 7 – Shirov, Alexei – 0-1 – Kasparov, Garry – G41
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Linares 14th 1997 – Round 10 – Shirov, Alexei – 0-1 – Kasparov, Garry – G25
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Moscow Superblitz 2006 – Round 19 – Morozevich, Alexander – 0-1 – Grischuk, Alexander – G60
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Novgorod 1997 – Round 5 – Short, Nigel D – 0-1 – Topalov, Veselin – G12
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
SportAccord Blitz 2014 – Round 21.5 – Wang, Hao(ZJWZ) – 1-0 – Gelfand, Boris – G164
1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
SportAccord Rapid Men 2013 – Round 3.5 – Kamsky, Gata – 1/2-1/2 – Vachier-Lagrave, Maxime – G21
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
SuperGM It 1999 – Round 2 – Shirov, Alexei – 1/2-1/2 – Kasparov, Garry – G5
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Tilburg Fontys 1996 – Round 3 – Almasi, Zoltan – 0-1 – Van Wely, Loek – G16
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
WCh-FIDE 2005 – Round 12 – Morozevich, Alexander – 1/2-1/2 – Polgar, Judit – G26
1. Nc3 c5 2. Nf3 Nf6 3. e4 d6 4. d4 cxd4 5. Nxd4 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
World Blitz 2015 – Round 6.9 – Socko, Bartosz – 1-0 – Salem, A.R. Saleh – G404
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
XVI Ciudad de Linares 99 1999 – Round 9 – Adams, Michael – 1/2-1/2 – Topalov, Veselin – G27
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5
Yerevan ol (Men) 1996 – Round 12 – Smirin, Ilia – 0-1 – Kasparov, Garry – G177
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5

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