Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a2	—
Arriérés	—	—
Chaînes	● f2→e3, f2→g3, h2→g3, c3→d4, e3→d4	● f7→g6, h7→g6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0)	● g4 (2v0), ● d5 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (4v2), ● e5 (2v0)	● d5 (2v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bg2	● Bg2 Ok (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	—	● …e7-e5

D77i — Neo-Gruenfeld, 6.O-O dxc4 7.Na3 c3 8.bxc3 c5 9.e3

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3 c3 8.bxc3 c5 9.e3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bb2 (Développer c1 — 25 % des parties) ; Rb1 (Tour sur colonne semi-ouverte b — 25 % des parties) ; Re1 (25 % des parties) ; Nc4 (Cavalier actif en c4 — 25 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc6 (Développer b8 — 100 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
19. European Teams 2013 – Round 9.1 – Aronian, Levon – 1/2-1/2 – Mamedyarov, Shakhriyar – G304 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 c3 7. bxc3 c5 8. O-O O-O 9. e3 Nc6 10. Qe2 Bf5
30. ECC Open 2014 – Round 5.3 – Sasikiran, Krishnan – 1/2-1/2 – Guseinov, Gadir – G104 1. d4 g6 2. g3 Bg7 3. Bg2 d5 4. Nf3 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
30. ECC Open 2014 – Round 6.3 – Teterev, Vitaly – 1/2-1/2 – Najer, Evgeniy – G130 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 c3 7. bxc3 c5 8. O-O O-O 9. e3 Nc6 10. Qe2 Bf5
4. Norway Chess 2016 – Round 6.2 – Eljanov, Pavel – 1-0 – Grandelius, Nils – G26 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Bb2 Bf5
40. Olympiad Open 2012 – Round 10.7 – Teterev, Vitaly – 1/2-1/2 – Fridman, Daniel – G575 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Bf5
40. Olympiad Open 2012 – Round 9.10 – Nguyen Van Huy – 1-0 – Howell, David W L – G486 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
Amber Blindfold 2001 – Round 2 – Karpov, Anatoly – 1/2-1/2 – Leko, Peter – G5 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Nd5
Amber Rapidplay 2000 – Round 10 – Nikolic, Predrag – 1/2-1/2 – Ljubojevic, Ljubomir – G49 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Bf5
Corsica Masters Rapid 2001 – Round 1.2 – Nikolic, Predrag – 1/2-1/2 – Leko, Peter – G6 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
Dortmund 1997 – Round 1 – Huebner, Robert – 1/2-1/2 – Topalov, Veselin – G2 1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
FIDE-Wch k.o. 1999 – Round 3.1 – Georgiev, Kiril – 1-0 – Svidler, Peter – G82 1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
Linares 1991 – Round 12 – Ivanchuk, Vasyl – 1-0 – Gelfand, Boris – G48 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. O-O dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Qa5
Manila Interzonal 1990 – Round 7 – Nikolic, Predrag – 1-0 – Popovic, Petar – G120 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. O-O dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Qa5
NAO Masters 2002 – Round 5 – Karpov, Anatoly – 1-0 – Leko, Peter – G23 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Bf5
Olympiad 2002 – Round 13 – Khalifman, Alexander – 1/2-1/2 – Sutovsky, Emil – G450 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Bf5
RUS vs. ROW 2002 – Round 1 – Karpov, Anatoly – 0-1 – Smirin, Ilia – G2 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d5 6. O-O dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
RUS vs. ROW 2002 – Round 10 – Karpov, Anatoly – 1-0 – Polgar, Judit – G78 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 O-O 6. O-O dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
SuperGM 2001 – Round 9 – Karpov, Anatoly – 1/2-1/2 – Kasparov, Garry – G19 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Bf5
Tal Memorial Blitz 2014 – Round 20.6 – Karjakin, Sergey – 1-0 – Inarkiev, Ernesto – G120 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Qa5
World Blitz 2017 – Round 20.9 – Melkumyan, Hrant – 1/2-1/2 – Salem, A.R. Saleh – G1074 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Qe2 Bf5
World Blitz 2018 – Round 17.34 – Ochsner, Bjorn Moller – 1/2-1/2 – Salem, A.R. Saleh – G1010 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Bb2 Bf5

D77i —

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3 c3 8.bxc3 c5 9.e3

Les coups candidats

9…Nc6 — 96.5% (930 parties)

Ambassadeurs : Drasko, Milan (19x), Nikolic, Predrag (11x), Koehler, Josef (7x), Cosma, Elena-Luminita (7x), Spassov, Liuben (6x), Horvath, Jozsef (6x), Svidler, Peter (6x), Manninen, Marko (5x)

9…Qa5 — 1.1% (11 parties)

Ambassadeurs : Hegeler, Frank (1x), Biallass, Armin (1x), Andres Francisco Jimenez Rodriguez (1x), Perez Fungueiro, Manuel Antonio (1x), Gronn, Atle (1x), Esbensen, Andreas (1x), Santos Santos, Pablo 2017 (1x), Sanchez Aller, Fernando (1x)

9…Nd5 — 0.7% (7 parties)

Ambassadeurs : Shcherbakov, Ruslan (1x), Ebeling, Mika (1x), Petrosian, Arshak B (1x), Tukmakov, Vladimir B (1x), Del Rio De Angelis, Salvador Gabriel (1x), Herrera Abakay Lirio Ivonne (1x), Ibar, Marcelo Rodolfo (1x), Koch, Christian (1x)

9…Bf5 — 0.5% (5 parties)

Ambassadeurs : Macek, Vlasta (1x), Kondou, Eva (1x), Clemens, Christian, Dr. (1x), Estrada Martinez, Cesar (1x), Grabow, Pouelsten Holm (1x), Gromark, Per-Olof (1x), Neiksans, Arturs (1x), Ben Artzi, Ido (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Nc6	9…Qa5	9…Nd5	9…Bf5
<1800	21	95%	5%	—	—
1800-2200	221	94%	2%	1%	1%
2200-2600	628	98%	0%	1%	0%
2600+	55	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Nc6	9…Qa5	9…Nd5	9…Bf5
1980s	7	100%	—	—	—
1990s	193	94%	2%	2%	1%
2000s	305	96%	1%	1%	0%
2010s	394	98%	1%	—	1%
2020s	65	95%	3%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Nc6	98%	95%	▼ -2.6%
9…Qa5	1%	3%	▲ +2.6%
9…Nd5	0%	2%	▲ +1.5%
9…Bf5	1%	0%	▼ -0.8%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 7 parties
Karpov, Anatoly — 7 parties
Gukesh D — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

9…Nc6 — 96.5% (930 parties)

1984 — Vukovic, Ivo vs Vujacic, Borivoje — 0-1 — Pula CRO
1987 — Panno, Oscar vs Szmetan, Jorge — 0-1 — Rio Hondo
1988 — Kurajica, Bojan vs Nikolic, Predrag — 0-1 — Yugoslavia
1988 — Pelts, Roman vs Shadarevian, Michael — 1-0 — Thessaloniki GRE
1989 — Schemm, Heiko vs Van Mil, Johannes A J — 0-1 — Lugano open

9…Qa5 — 1.1% (11 parties)

1992 — Andres Francisco Jimenez Rodriguez vs Perez Fungueiro, Manuel Antonio — 1/2-1/2 — ?
1992 — Gronn, Atle vs Esbensen, Andreas — 0-1 — Norway
1997 — Hegeler, Frank vs Biallass, Armin — 1-0 — Hamburg GER
2000 — Santos Santos, Pablo 2017 vs Sanchez Aller, Fernando — 1-0 — Mondariz ESP
2000 — Tommasini, Enzo vs Nisli, Kemal — 1/2-1/2 — Leopoldsburg BEL

9…Nd5 — 0.7% (7 parties)

1992 — Shcherbakov, Ruslan vs Ebeling, Mika — 1-0 — Helsinki open
1996 — Petrosian, Arshak B vs Tukmakov, Vladimir B — 1/2-1/2 — Erevan ARM
1999 — Del Rio De Angelis, Salvador Gabriel vs Herrera Abakay Lirio Ivonne — 0-1 — Malaga ESP
2000 — Fritz, Albert vs Century — 1-0 — Cadaques ESP
2001 — Ibar, Marcelo Rodolfo vs Koch, Christian — 1/2-1/2 — IECG

9…Bf5 — 0.5% (5 parties)

1992 — Macek, Vlasta vs Kondou, Eva — 1-0 — OSw Manila
2009 — Clemens, Christian, Dr. vs Estrada Martinez, Cesar — 0-1 — Condino ITA
2013 — Grabow, Pouelsten Holm vs Gromark, Per-Olof — 1-0 — Allinge DEN
2014 — Neiksans, Arturs vs Ben Artzi, Ido — 1-0 — Riga LAT
2017 — Schreiber, Kurt vs Schnitzspan, Lothar — 0-1 — Hessen

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