D27n — QGA: Classical, Spassky, 9.Nbd2

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2 * ● Trait aux Noirs

Milieu de jeu — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, Bc4 actif, paire de fous.
Faiblesses adverses : arriéré b7, Bc8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d5, Bc5 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé.
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
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D27n — Classical Spassky

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2

Eval: [+0.14]

Les coups candidats

9…O-O — 31.4% (201 parties)

Ambassadeurs : Rublevsky, Sergei (5x), Dizdarevic, Emir (4x), Grischuk, Alexander (3x), Ibragimov, Ildar (3x), Kharlov, Andrei (3x), Matveeva, Svetlana (3x), Horvath, Adam (3x), Sorcinelli, Andrea (3x)

9…Nbd7 — 21.4% (137 parties)

Ambassadeurs : Kramnik, Vladimir (4x), Stevic, Hrvoje (4x), Pogorelov, Ruslan (3x), Ilyin, Pavel Egorovich (3x), Bischoff, Klaus (2x), Gyimesi, Zoltan (2x), Gagare, Shalmali (2x), Krush, Irina (2x)

9…b6 — 17.0% (109 parties)

Ambassadeurs : Rublevsky, Sergei (7x), Demina, Julia (4x), Ganguly, Surya Shekhar (4x), Malaniuk, Vladimir P (4x), Nurkiewicz, Maciej (4x), Zaiatz, Elena (3x), Shcherbakov, Ruslan (2x), Baburin, Alexander (2x)

9…Nc6 — 14.2% (91 parties)

Ambassadeurs : Trifunovic, Petar (3x), Balashov, Yuri (3x), Polugaevsky, Lev (2x), Ivkov, Borislav (2x), Shumiakina, Tatiana (2x), Toropov, Pavel (2x), Danner, Georg (2x), Uusi, Gunnar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…O-O	9…Nbd7	9…b6	9…Nc6
<1800	6	33%	17%	17%	33%
1800-2200	119	36%	18%	13%	6%
2200-2600	414	29%	23%	18%	17%
2600+	41	37%	24%	37%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…O-O	9…Nbd7	9…b6	9…Nc6
1950s	3	—	—	—	100%
1960s	13	—	8%	—	31%
1970s	1	—	100%	—	—
1980s	7	—	—	—	71%
1990s	41	22%	20%	32%	12%
2000s	282	32%	22%	16%	12%
2010s	253	34%	21%	20%	13%
2020s	41	37%	32%	—	20%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…O-O	34%	37%	▲ +2.6%
9…Nbd7	21%	32%	▲ +11.2%
9…b6	20%	0%	▼ -20.2%
9…Nc6	13%	20%	▲ +6.5%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 7 parties
Karpov, Anatoly — 3 parties
Kasparov, Garry — 3 parties
Anand, Viswanathan — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

9…O-O — 31.4% (201 parties)

1990 — Certic, Branimir vs Djukic, Zeljko — 1/2-1/2 — Svetozarevo
1992 — Spassky, Boris Vasily vs Fischer, Robert J — 1/2-1/2 — Belgrade SRB
1992 — Spassky, Boris V. vs Fischer, Robert J — 1/2-1/2 — Sveti Stefan YUG
1994 — Skomorokhin, Roman vs Hoang, Thanh Trang — 1/2-1/2 — Budapest HUN
1996 — Taylor, Timothy vs Haase, Peter — 1-0 — corr IECG N

9…Nbd7 — 21.4% (137 parties)

1961 — Gligoric, Svetozar vs Keres, Paul Petrovich — 1/2-1/2 — Bled SLO
1976 — Smyslov, Vladimir vs Petrosian, Tigran A. — 1/2-1/2 — Biel SUI
1991 — Bischoff, Klaus vs Van der Sterren, Paul — 1/2-1/2 — Biel SUI
1993 — Botvinnik, Ilia vs Donchenko, Anatoly — 1/2-1/2 — Minsk BLR
1993 — Kramnik, Vladimir vs Khalifman, Alexander — 1/2-1/2 — Biel SUI

9…b6 — 17.0% (109 parties)

1994 — Dydyshko, Viacheslav vs Volosin, Leon — 1-0 — Frydek Mistek CZE
1995 — Bronstein, David I vs Lane, Gary W — 1-0 — Brussels BEL
1995 — Baburin, Alexander vs Meins, Gerlef — 1/2-1/2 — Groningen open
1996 — Goldin, Alexander vs Shcherbakov, Ruslan — 1-0 — Niksic MNE
1996 — Tunik, Gennady vs Rublevsky, Sergei — 1/2-1/2 — Azov

9…Nc6 — 14.2% (91 parties)

1950 — Trifunovic, Petar vs Devos, Paul — 1-0 — Dubrovnik olm
1952 — Trifunovic, Petar vs Lundin, Erik — 1/2-1/2 — Helsinki olm
1957 — Donner, Jan-Hein vs Hein-Stahlberg, Gideon — 1/2-1/2 — Beverwijk Beverwijk NED
1960 — Polugaevsky, Lev vs Uusi, Gunnar — 1/2-1/2 — Vilnius LTU
1963 — Heemskerk, Fenny vs Keller-Hermann, Edith — 1/2-1/2 — Split CRO

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7
Chaînes	● f2→e3	● b7→a6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1)	● d5 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (1v0)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c, ● d	● c, ● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc4	● Bc4 Actif (mob. 8)
Bc5		● Bc5 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	4 (b8, c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Milieu de jeu
Centre	semi-ouvert
Ruptures	● e3-e4	● …e6-e5

Partie
1950 Dubrovnik olm – Round 14 – Trifunovic, Petar – 1-0 – Devos, Paul – G84 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. a3 Bd6
1952 Helsinki olm – Round 1 – Trifunovic, Petar – 1/2-1/2 – Lundin, Erik – G43 1. d4 d5 2. Nf3 c5 3. c4 dxc4 4. e3 Nf6 5. Bxc4 e6 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. a3 b5
1960 URS Ch sf – Round 17 – Polugaevsky, Lev – 1/2-1/2 – Uusi, Gunnar – G129 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. Nb3 Be7
1960 Varna Varna BUL – Round 7 – Trifunovic, Petar – 1/2-1/2 – Fuchs, Reinhart – G26 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Ke7 10. Nb3 Bd6
1961 Belgrade-Sofia m – Round 1 – Trifunovic, Petar – 1/2-1/2 – Milev, Zdravko – G1 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Ke7 10. Nb3 Bd6
1961 Bled – Round 18 – Gligoric, Svetozar – 1/2-1/2 – Keres, Paul Petrovich – G155 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. Nb3 Be7
1963 Split ol women – Round 14 – Heemskerk, Fenny – 1/2-1/2 – Keller-Hermann, Edith – G46 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. a3 b5
1964 7. It Sarajevo BIH – Round 15 – Trifunovic, Petar – 1/2-1/2 – Polugaevsky, Lev – G10 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. a3 Bd7
1964 Moscow zt – Round 8 – Bronstein, David I – 1/2-1/2 – Spassky, Boris Vasily – G9 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b5 10. Be2 Bb7
1966 CSR Ch Int 1st – Round 15 – Abramovich Furman, Semyon – 1/2-1/2 – Taimanov, Mark E – G84 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Ke7 10. Nb3 Bd6
1967 Maribor – Round 9 – Lengyel, Laszlo – 1/2-1/2 – Zinn, M. – G14 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Ke7 10. Nb3 Bd6
1967 Rubinstein Memorial – Round 6 – Furman, Slavomir – 1/2-1/2 – Flohr, Salo – G22 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b5 10. Be2 Bb7
1967 Sochi – Round 13 – Zaitsev, Alexander – 1/2-1/2 – Spassky, Boris Vasily – G102 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. Nb3 Ba7
34. ECC Open 2018 – Round 5.7 – Indjic, Aleksandar – 1/2-1/2 – Edouard, Romain – G166 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b6 10. Be2 Bb7
Advanced Chess rapid 2002 – Round 5 – Kramnik, Vladimir – 1/2-1/2 – Anand, Viswanathan – G5 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 Nf6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 O-O 10. Be2 Rd8
Amber-blind 6th 1997 – Round 5 – Kramnik, Vladimir – 0-1 – Anand, Viswanathan – G20 1. Nf3 d5 2. d4 e6 3. c4 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. Be2 b6
Amber-rapid 6th 1997 – Round 11 – Kramnik, Vladimir – 1/2-1/2 – Lautier, Joel – G61 1. Nf3 d5 2. d4 e6 3. c4 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. Be2 b6
Biel Interzonal 1976 – Round 13 – Smyslov, Vassily – 1/2-1/2 – Petrosian, Tigran V. – G62 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. b3 b6
Biel Interzonal 1993 – Round 13 – Kramnik, Vladimir – 1/2-1/2 – Khalifman, Alexander – G278 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. b3 b5
Botvinnik Memorial m 2001 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Kasparov, Garry – G1 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 a6 5. Bxc4 c5 6. O-O Nf6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 O-O 10. Be2 Rd8
Braingames WCC 2000 – Round 4 – Kramnik, Vladimir – 1/2-1/2 – Kasparov, Garry – G2 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 c5 5. Bxc4 a6 6. O-O Nf6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. Be2 b6
FIDE WCh KO 2000 – Round 5.1 – Bareev, Evgeny – 1-0 – Shirov, Alexei – G120 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b6 10. Be2 Bb7
Olympiad 2002 – Round 14 – Ljubojevic, Ljubomir – 1/2-1/2 – Grischuk, Alexander – G482 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 O-O 10. Nb3 Be7
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 1-0 – Svidler, Peter – G3 1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 a6 5. Nf3 Nf6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b5 10. Be2 Bb7
RUS vs. ROW 2002 – Round 6 – Karpov, Anatoly – 1/2-1/2 – Ivanchuk, Vasyl – G44 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 O-O 10. Be2 Rd8
Siemens Giants 1999 – Round 9 – Kramnik, Vladimir – 1-0 – Karpov, Anatoly – G11 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b6 10. Be2 Nbd7
Superbet Blitz 2019 – Round 1.2 – Korobov, Anton – 0-1 – Le, Quang Liem – G2 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. Nb3 Be7
TCh-RUS 2005 – Round 5 – Aleksandrov, Aleksej – 1-0 – Batsanin, Dmitry – G73 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b6 10. Be2 Bb7
World Blitz 2015 – Round 14.20 – Inarkiev, Ernesto – 0-1 – Kasimdzhanov, Rustam – G859 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 b6 10. Be2 Bb7

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →