Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d6
Chaînes	—	● d6→e5, b7→a6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● f5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v1)	● 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. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	5 (● b8, ● c8, ● f8, ● 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-f4	● …d6-d5

B90c — Sicilian: Najdorf, 6.a4 e5

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (59 % des parties) ; Nb3 (37 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Développer f8 — 40 % des parties) ; ...Be6 (Fou actif (mobilité 9), Développer c8 — 29 % des parties) ; ...Qc7 (Prépare O-O-O — 16 % des parties) ; ...h6 (11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1950 Venice – Round 13 – De Paoli, Emilio – 0-1 – Smyslov, Vladimir – G106 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nde2 Be7 8. g3 h5 9. Bg5 Be6 10. Bg2 Ng4
1951 Buenos Aires – Round 4 – Puiggros, Guillermo – 1-0 – Luckis, Marcos – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. f4 Qc7 9. Be2 Nbd7 10. f5 Bc4
1952 Liverpool – Round 5 – Katragadda, G. – 0-1 – Mardle, Denis – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Be2 Nc6 9. Be3 Rc8 10. a5 Be7
1952 POL-ch10 – Round 19 – Tarnowski, Alfred – 0-1 – Gadalinski, Jan – G136 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Qc7 9. Ba2 O-O 10. Bg5 Be6
1953 Montreal Ch – Round 4 – Lebel, Robert – 0-1 – Zalys, Ignas – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Nd5 Bxd5 10. exd5 Be7
1953 Venetie – Round 9 – Heidenfeld, Wolfgang – 1/2-1/2 – Udovcic, Mijo – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Be2 O-O 9. O-O Be6 10. f4 Nc6
1956 Montreal – Round 1 – Drakert, William – 1/2-1/2 – Joyner, Lionel – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Be2 h6 9. O-O Be6 10. Nh4 Nc6
1957 DDR Ch U18 – Round 15 – Hennings, Artur – 1/2-1/2 – Reich, Jens – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Be2 O-O 9. Be3 Be6 10. Bf3 Qc7
1960 Leipzig olm prel – Round 2 – Aguirre Izaguirre, Pedro Jose – 0-1 – Lombardy, William J – G57 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Be2 Be6 9. Bf3 O-O 10. Be3 Nbd7
1961 Montevideo – Round 5 – Puiggros, Guillermo – 1-0 – Silva Nazzari, Roberto – G25 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Be2 Nc6 9. O-O Be6 10. f4 exf4
1963 CAN Ch – Round 15 – Patrick, Chaski – 0-1 – Joyner, Lionel – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Be3 Nbd7 9. Be2 Be7 10. Qd3 O-O
34. ECC Open 2018 – Round 6.4 – Djurhuus, Rune – 1/2-1/2 – Fedoseev, Vladimir – G187 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
4. GRENKE Chess Classic 2017 – Round 3.1 – Hou, Yifan(HLJ) – 1/2-1/2 – Carlsen, Magnus – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
8. Tal Mem Blitz 2013 – Round 8 – Carlsen, Magnus – 1/2-1/2 – Gelfand, Boris – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 O-O 9. O-O Be6 10. Bxe6 fxe6
83. Tata Steel Masters 2021 – Round 13.1 – Anton Guijarro, David – 1/2-1/2 – Giri, Anish – G88 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
9. Norway Chess 2021 – Round 3.2 – Aditya Tari – 1/2-1/2 – Nepomniachtchi, Ian – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nc6
9. Norway Chess 2021 – Round 9.3 – Aditya Tari – 0-1 – Firouzja, Alireza – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Nd2 Be6 9. Nc4 Be7 10. Nd5 Nxd5
Amber-rapid 5th 1996 – Round 3 – Kamsky, Gata – 1/2-1/2 – Lautier, Joel – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nde2 Be7 8. g3 Be6 9. Bg2 Nbd7 10. h3 Rc8
FIDE World Blitz Championship 2014 – Round 16.12 – Guseinov, Gadir – 0-1 – Wojtaszek, Radoslaw – G146 1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Bxe6 fxe6 10. Nh4 Nc6
FIDE World Blitz Championship 2025 – Round 6 – Gukesh D – 1/2-1/2 – Vladislav Artemiev – G109 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 d6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
FIDE World Blitz Championship 2025 – Round 6 – Pichot Alan – 1/2-1/2 – Vachier-Lagrave Maxime – G108 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Bb3 Qc8 10. O-O O-O
FIDE World Cup 2019 – Round 2.1 – Andreikin, Dmitry – 1/2-1/2 – Jumabayev, Rinat – G211 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Qc7 8. Bg5 Nbd7 9. Nd2 h6 10. Bh4 g5
GCT Blitz Paris 2018 – Round 7.3 – Anand, Viswanathan – 1-0 – Grischuk, Alexander – G32 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
GCT Blitz Paris 2019 – Round 17.1 – Anand, Viswanathan – 1/2-1/2 – Giri, Anish – G81 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
Lindores Abbey Tal Memorial 2021 – Round 2.45 – Onischuk, Vasilisa – 1-0 – Assaubayeva, Bibisara – G98 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Qc7 9. Qe2 h6 10. O-O O-O
Lindores Abbey Tal Memorial 2021 – Round 5.12 – Onischuk, Vasilisa – 0-1 – Matlakov, Maxim – G217 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 O-O 10. O-O Qc7
Olympiad 2002 – Round 7 – Benjamin, Joel – 0-1 – Malisauskas, Vidmantas – G230 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Bxe6 fxe6 10. Nh4 Nc6
Saint Louis Rapid 2023 – Round 7.3 – Giri, Anish – 1/2-1/2 – Xiong, Jeffery – G33 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
WCh Candidates 2011 – Round 1.3 – Kamsky, Gata – 1/2-1/2 – Topalov, Veselin – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
World Blitz 2015 – Round 18.14 – Onyshchuk, Volodymyr – 1-0 – Wojtaszek, Radoslaw – G1100 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Qe2 Nc6 10. O-O Be7
World Blitz 2017 – Round 20.53 – Short, Nigel D – 1-0 – Tissir, Mohamed – G1069 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be7 9. O-O Nc6 10. Qe2 O-O
World Blitz 2021 – Round 17.10 – Firouzja, Alireza – 1-0 – Muradli, Mahammad – G978 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7
World Blitz 2021 – Round 8.29 – Onyshchuk, Volodymyr – 1-0 – Tazbir, Marcin – G463 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 Qc8 10. Ba2 Bxa2
World Blitz 2022 – Round 1.9 – Ponkratov, Pavel – 0-1 – Duda, Jacob – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qd3 h6 10. O-O O-O
World Blitz 2023 – Round 1.37 – Vokhidov, Shamsiddin – 1-0 – Fayzullaev, Akmal – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 O-O 9. Bxf6 Bxf6 10. Nd5 Nc6
World Rapid 2019 – Round 10.21 – Yu, Yangyi – 1/2-1/2 – Firouzja, Alireza – G632 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Qc7 8. Bg5 Nbd7 9. a5 Be7 10. Be2 h6
World Rapid 2019 – Round 14.14 – Yu, Yangyi – 1-0 – Sjugirov, Sanan – G884 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 Nbd7 10. O-O Rc8
World Rapid 2021 – Round 9.10 – Onyshchuk, Volodymyr – 1/2-1/2 – Chigaev, Maksim – G505 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Qe2 Qc7 10. Ba2 Be7
World Rapid 2021 – Round 9.15 – Ponkratov, Pavel – 1/2-1/2 – Vachier-Lagrave, Maxime – G510 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. g3 O-O 9. Bg2 Nc6 10. O-O Be6

B90c — Najdorf (1950)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e5

Les coups candidats

7.Nf3 — 58.6% (1864 parties)

Ambassadeurs : Makropoulou, Marina (14x), Zinchenko, Yaroslav (12x), Zelcic, Robert (12x), Sorcinelli, Andrea (12x), Wan, Yunguo (12x), Bryla, Hanna (7x), Glek, Igor (7x), Lau, Ralf (6x)

7.Nb3 — 37.4% (1189 parties)

Ambassadeurs : Szurovszky, Elek (12x), Timar, Zsolt (6x), Cardoso, Julia Aguiar Vieira (5x), Marchel, Agnieszka (4x), Puiggros, Guillermo (2x), Heidenfeld, Wolfgang (2x), Zalys, Ignas (2x), Verber, R. (2x)

7.Nde2 — 3.4% (108 parties)

Ambassadeurs : Van der Wiel, John T.H. (9x), Burijovich, Liliana (4x), Saranya, Y (3x), Marinelli, Tullio (2x), Nijboer, Friso (2x), Pliester, Leon (2x), Paoli, Enrico (1x), Smyslov, Vasily (1x)

7.Nf5 — 0.6% (18 parties)

Ambassadeurs : Williams, Rufus H. (2x), Chandler, Patrick (1x), Karsten, Heinrich (1x), Thom, Ulrich (1x), Oelze, Joern (1x), Thoroe, Bjoern (1x), Rindler, Julian (1x), Ahmed Garcia, Omar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Nf3	7.Nb3	7.Nde2	7.Nf5
<1800	254	52%	46%	2%	1%
1800-2200	1473	48%	47%	4%	1%
2200-2600	1040	78%	18%	4%	—
2600+	67	99%	—	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Nf3	7.Nb3	7.Nde2	7.Nf5
1950s	17	12%	76%	12%	—
1960s	14	14%	86%	—	—
1970s	31	42%	58%	—	—
1980s	146	64%	34%	2%	—
1990s	457	57%	40%	3%	0%
2000s	922	50%	46%	3%	0%
2010s	1064	56%	39%	4%	1%
2020s	529	83%	14%	3%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Nf3	56%	83%	▲ +26.9%
7.Nb3	39%	14%	▼ -25.4%
7.Nde2	4%	3%	▼ -1.4%
7.Nf5	1%	1%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 6 parties
Anand, Viswanathan — 4 parties
Ju, Wenjun — 4 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Gukesh D — 2 parties
Kasparov, Garry — 1 partie

Parties historiques

7.Nf3 — 58.6% (1864 parties)

1952 — Tarnowski, Alfred vs Gadalinski, Jan — 0-1 — Katowice POL
1956 — Drakert, William vs Joyner, Lionel — 1/2-1/2 — Montreal CAN
1962 — Bas, Gunes Ugur vs Black, Colin — 0-1 — Varna BUL
1967 — Pinto Paiva, Jose vs Cotta, Eduardo — 1-0 — Sao Paulo BRA
1971 — Castro Bekithemba Sibanda vs Dieks, Roy G — 0-1 — Athens GRE

7.Nb3 — 37.4% (1189 parties)

1951 — Puiggros, Guillermo vs Amaro, Lucas Ibrair — 1-0 — Buenos Aires ARG
1951 — Mygh, Christian vs Pedersen, Eigil — 0-1 — Lemvig
1952 — Rodriguez, Adolfo I. vs Calatayud, Manuel — 1/2-1/2 — Rosario ARG
1952 — Kadarag, Firat vs Mardle, Denis — 0-1 — Liverpool
1952 — Wilkinson, David vs Zalys, Ignas — 0-1 — cr Golden Knights

7.Nde2 — 3.4% (108 parties)

1950 — Paoli, Enrico vs Smyslov, Vasily — 0-1 — Venice ITA
1955 — Lukes, Frantisek vs Dvorak, Jiri — 0-1 — Prague CZE
1981 — Rubinetti, Jorge vs Sunye Neto, Jaime — 0-1 — San Pedro de Jujuy
1988 — Frericks, Harald vs Bartels, Frank — 1-0 — Stetten
1989 — Rantanen, Yrjo A. vs Marinelli, Tullio — 1-0 — Haifa etc

7.Nf5 — 0.6% (18 parties)

1993 — Thom, Ulrich vs Oelze, Joern — 1/2-1/2 — Baden
1999 — Chandler, Patrick vs Karsten, Heinrich — 1-0 — Frankfurt GER
2001 — Morgenroth Konstantin vs Lotz, Ralf — 0-1 — Frankfurt Fechenheim
2002 — Thoroe, Bjoern vs Rindler, Julian — 0-1 — Neumuenster
2003 — Ahmed Garcia, Omar vs Abril Andres, Alonso — 1-0 — Asturias

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