Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● d4, ● d5
Pions isolés	—	—
Arriérés	● c2	—
Chaînes	● a3→b4, f4→e5	● e6→d5, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d6 (2v1)	—
Cases faibles	—	—
Centre	● d4 (2v0)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Bf1	● Bf1 Non développé (mob. 3)
Bc7		● Bc7 Actif (mob. 4)
Bd7		● Bd7 Mauvais (mob. 3)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	4 (● b8, ● g8, ● 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	● c2-c3, ● c2-c4, ● f4-f5	● …d4-d3, ● …f7-f6

C17s — French: Winawer, Swiss, 6.b4 cxd4 7.Nb5 Bc7 8.f4 Bd7

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 7.Nb5 Bc7 8.f4 Bd7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nxc7+ (Menace a8 — 47 % des parties) ; Nf3 (Développer g1 — 35 % des parties) ; Nxd4 (Cavalier centralisé en d4 — 12 % des parties) ; Qg4 (Prépare O-O-O — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bxb5 (Fou actif (mobilité 8) — 25 % des parties) ; ...Ne7 (Développer g8 — 13 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
11. Tal Mem Blitz 2018 – Round 10.6 – Karjakin, Sergey – 1/2-1/2 – Mamedyarov, Shakhriyar – G69 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nf3 Bxb5 10. Bxb5+ Nc6
11. Tal Mem Rapid 2018 – Round 3.2 – Anand, Viswanathan – 0-1 – Mamedyarov, Shakhriyar – G12 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ba4
36. Olympiad 2004 – Round 6 – Bluvshtein, Mark – 0-1 – Lputian, Smbat – G213 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ba4
43. Olympiad 2018 – Round 11.5 – Kryvoruchko, Yuriy – 1-0 – Stocek, Jiri – G752 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ba4
43. Olympiad 2018 – Round 8.3 – Sasikiran, Krishnan – 1-0 – Stocek, Jiri – G530 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ba4
7. Norway Blitz 2019 – Round 6.5 – Anand, Viswanathan – 1/2-1/2 – So, Wesley – G30 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ba4
ARM-ROW Match 2004 – Round 1 – Bacrot, Etienne – 1/2-1/2 – Vaganian, Rafael A – G4 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Nh6
ARM-ROW Match 2004 – Round 3 – Svidler, Peter – 1/2-1/2 – Vaganian, Rafael A – G17 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ba4
Biel Interzonal 1985 – Round 2 – Short, Nigel D – 0-1 – Vaganian, Rafael A – G4 1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nf3 Ne7 10. Bb2 Bxb5
Corus 2000 – Round 13 – Anand, Viswanathan – 1-0 – Lputian, Smbat – G84 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 a6
FIDE World Cup 2019 – Round 3.2 – Svidler, Peter – 1/2-1/2 – Nisipeanu, Liviu-Dieter – G325 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Bd3 Ba4
Olympiad 2002 – Round 1 – Bruzon Batista, Lazaro – 1-0 – Gluckman, David – G38 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nf3 Bxb5 10. Bxb5+ Nd7
USA Ch 2018 – Round 10.5 – Nakamura, Hikaru – 1-0 – Akobian, Varuzhan – G58 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nf3 Bxb5 10. Bxb5+ Nc6
World Blitz 2015 – Round 16.10 – Bruzon Batista, Lazaro – 1-0 – Ivanchuk, Vasyl – G974 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxd4 Nc6 10. Ngf3 Nge7
World Blitz 2017 – Round 13.4 – Nepomniachtchi, Ian – 1-0 – Wang, Hao(ZJWZ) – G691 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Nf3 Ne7
World Rapid Final 2012 – Round 6 – Svidler, Peter – 1/2-1/2 – Tkachiev, Vladislav – G44 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Bd3 Ba4

C17s — Winawer, Swiss (1985)

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 7.Nb5 Bc7 8.f4 Bd7

Les coups candidats

9.Nxc7+ — 47.2% (352 parties)

Ambassadeurs : Lputian, Smbat (7x), Loeschnauer, Ruediger (7x), Löschnauer, Rüdiger (6x), Vaganian, Rafael A (5x), Rendle, Thomas E (5x), Bivol, Alina (5x), Svidler, Peter (4x), Barsov, Alexei (3x)

9.Nf3 — 35.2% (262 parties)

Ambassadeurs : Vaganian, Rafael A (8x), Cioara, Andrei-Nestor (5x), Lputian, Smbat (4x), Guzman Ortiz, Carlos M. (4x), Luther, Thomas (4x), Spence, David J (4x), Zhang, Pengxiang (3x), Areshchenko, Alexander (3x)

9.Nxd4 — 12.2% (91 parties)

Ambassadeurs : Barsov, Alexei (3x), Foetsch, Daniel (2x), Lengyel, Bela (2x), Korpics, Zsolt (2x), Sichinava, Zviad (2x), Arakhamia-Grant, Ketevan (2x), Fengsrud, Roy (1x), Charpentier, Denis (1x)

9.Qg4 — 5.0% (37 parties)

Ambassadeurs : Benjamin, Joel (2x), Djurhuus, Rune (2x), Samsonkin, Artiom (2x), Babo, Michel (1x), Dawoud, Mesleme (1x), Hartl, Aldo (1x), Lochte, Thomas (1x), Nagley, Tim (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Nxc7+	9.Nf3	9.Nxd4	9.Qg4
<1800	18	50%	28%	17%	6%
1800-2200	220	45%	32%	16%	7%
2200-2600	432	47%	37%	11%	4%
2600+	26	69%	27%	4%	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Nxc7+	9.Nf3	9.Nxd4	9.Qg4
1970s	1	100%	—	—	—
1980s	16	6%	62%	6%	19%
1990s	75	25%	48%	17%	9%
2000s	336	48%	36%	11%	5%
2010s	213	50%	33%	12%	4%
2020s	104	61%	22%	14%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Nxc7+	50%	61%	▲ +10.8%
9.Nf3	33%	22%	▼ -11.2%
9.Nxd4	12%	14%	▲ +2.2%
9.Qg4	4%	3%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties

Parties historiques

9.Nxc7+ — 47.2% (352 parties)

1972 — Kristiansen, Jens vs Herzog, Adolf — 1-0 — Arosa
1981 — Lee, Marvin vs Brown, Paul — 0-1 — Vancouver
1990 — Apicella, Manuel vs Dimitrov, Vladimir — 1/2-1/2 — Sofia BUL
1991 — Mitkov, Nikola vs Comas Fabrego, Lluis — 1/2-1/2 — Arnhem EU-chj
1992 — Novik, Maxim vs Lputian, Smbat — 1-0 — Moscow RUS

9.Nf3 — 35.2% (262 parties)

1985 — Short, Nigel D vs Vaganian, Rafael A — 0-1 — Biel izt
1985 — Short, Nigel D vs Vaganian, Rafael A — 0-1 — Biel SUI
1986 — Chandler, Murray G vs Vaganian, Irina — 1-0 — ?
1986 — Chandler, Murray G vs Vaganian, Rafael A — 1-0 — London ENG
1986 — Hellers, Ferdinand vs Dimitrov, Vladimir — 1/2-1/2 — Wch U20 Gausdal NOR

9.Nxd4 — 12.2% (91 parties)

1989 — Fengsrud, Roy vs Charpentier, Denis — 0-1 — corr thematic
1990 — Murgia, Andrea vs Pietralunga, Nicola — 0-1 — Bologna
1992 — Gvein, Kenneth vs Bohnenblust, Simon — 1-0 — Duisburg WchJM U14
1993 — Jakubiec, Artur vs Bashkov, Viacheslav — 1/2-1/2 — Katowice POL
1993 — Schleich, Markus vs Augustin, Christian — 1/2-1/2 — GER

9.Qg4 — 5.0% (37 parties)

1988 — Benjamin, Joel vs Djurhuus, Rune — 1-0 — Thessaloniki olm
1988 — Benjamin, Joel vs Djurhuus, Rune — 1-0 — ol, Thessaloniki 46/377
1989 — Babo, Michel vs Dawoud, Mesleme — 0-1 — corr thematic
1991 — Homuth, Manfred vs Kordts, Michael — 1-0 — Landes-Einzelmeister
1992 — Schnabel, Michael vs Albrecht, Rainer — 1/2-1/2 — Germany ch-22 fin

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