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 Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bxg4 (Fou actif (mobilité 8) — 59 % des parties) ; h4 (25 % des parties) ; Nf5 (Cavalier actif en f5 — 10 % des parties) ; h3 (Empêcher ...Bg4 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bxf5 (Fou actif (mobilité 6), Développer c8 — 9 % des parties) ; ...Nc6 (Développer b8 — 8 % des parties) ; ...h4 (5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, e7→d6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v0), ● f5 (2v1)	● g4 (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. 5)
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	mobile
Ruptures	● e4-e5, ● f2-f4	● …d6-d5, ● …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

B90j — Najdorf (1996)

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

Les coups candidats

11.Bxg4 — 58.6% (750 parties)

Ambassadeurs : Kempinski, Robert (14x), Shirov, Alexei (10x), Kasparov, Garry (8x), Anand, Viswanathan (7x), Lanka, Zigurds (7x), Kulaots, Kaido (6x), Medvegy, Nora Dr. (5x), Almasi, Zoltan (5x)

11.h4 — 25.4% (325 parties)

Ambassadeurs : De La Villa Garcia, Jesus Maria (3x), Rashkovsky, Nukhim N (3x), Cacko, Jozef (3x), Vachier-Lagrave, Maxime (3x), Romanishin, Oleg M (2x), Mukhin, Mikhail (2x), King, Daniel J (2x), Diaz, Joaquin (2x)

11.Nf5 — 9.5% (121 parties)

Ambassadeurs : Medvegy, Zoltan Dr. (3x), Shirov, Alexei (2x), Polgar, Judit (2x), Acs, Peter (2x), Zhao, Zong-Yuan (2x), Aldrete Lobo, Jorge (2x), Jobava, Baadur (2x), Szeberenyi, Adam (2x)

11.h3 — 6.3% (81 parties)

Ambassadeurs : Szklarczyk, Z. (1x), Migala, Andrzej (1x), Zurowski, Dennis (1x), Dannenberg, Arne (1x), Kemper, Meinolf (1x), Jugelt, Tobias (1x), Varavin, Viktor (1x), Fokin, Semen (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	39	51%	23%	5%	18%
1800-2200	440	53%	28%	8%	10%
2200-2600	614	63%	22%	12%	3%
2600+	61	67%	25%	7%	2%

Évolution par décennie (% des parties)

Décennie	N parties	11.Bxg4	11.h4	11.Nf5	11.h3
1970s	2	—	100%	—	—
1990s	368	60%	28%	7%	6%
2000s	528	63%	19%	13%	5%
2010s	340	54%	29%	9%	8%
2020s	42	38%	50%	—	12%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.Bxg4	54%	38%	▼ -15.4%
11.h4	29%	50%	▲ +20.6%
11.Nf5	9%	0%	▼ -8.5%
11.h3	8%	12%	▲ +4.0%

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% (750 parties)

1992 — Mainka, Romuald vs Tischbierek, Raj — 1/2-1/2 — Baden-Baden GER
1993 — Moldovan, Daniel vs Popescu, Cristian — 1/2-1/2 — Rumania
1993 — Benjamin, Joel vs Kaidanov, Gregory — 1-0 — New York, NY USA
1993 — Kotronias, Vasilios vs Tsomis, Dimitrios — 1-0 — ?
1993 — Henrich, Heinz vs Mueller, Sascha — 1-0 — GER

11.h4 — 25.4% (325 parties)

1974 — Romanishin, Oleg M vs Mukhin, Mikhail — 1-0 — Chelyabinsk RUS
1974 — Romanishin, Oleg M vs Mukhin, Mikhail — 1-0 — Chelyabinsk RUS
1990 — Chestnov, Vitaliy A. vs Ruban, Vadim — 0-1 — Balassagyarmat
1992 — Eismont, Oleg vs Rashkovsky, Nukhim N — 0-1 — Moscow RUS
1992 — Rasik, Vitezslav vs Michelakis, George — 1/2-1/2 — Buenos Aires ARG

11.Nf5 — 9.5% (121 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 — 6.3% (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

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