C87d — Spanish: Closed, Averbakh, 7.Bxc6+ bxc6 8.d4 exd4

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.Bxc6+ bxc6 8.d4 exd4 9.Nxd4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f5, colonne d.
Faiblesses adverses : arriéré c7, isolé a6, Be7 enfermé, Bc8 enfermé, roi noir au centre, pawn c6 en prise.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, case forte b5, paire de fous, colonnes b, e.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Be7 enfermé, Bc8 enfermé, arriéré c7, isolé a6, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bf5 — Développer Bc8
● ...c5 — Rupture
● ...d5 — Rupture
● ...Rb — Tour sur colonne b

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C87d — Closed Averbakh

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.Bxc6+ bxc6 8.d4 exd4 9.Nxd4

Eval: [+0.35]

Les coups candidats

9…Bd7 — 93.2% (329 parties)

Ambassadeurs : Romanishin, Oleg M (15x), Sokolov, Ivan (8x), Kholmov, Ratmir D (7x), Yates, Frederic D (4x), Lasker, Emanuel (4x), Petrosian, Arshak B (4x), Giorgadze, Gabriel (3x), Luther, Thomas (3x)

9…Bb7 — 3.7% (13 parties)

Ambassadeurs : Bobras, Piotr (1x), Polkowski, Piotr (1x), Brady, Wallace (1x), Rekhsan Vlad (1x), Short, Nigel D (1x), Van Riemsdijk, Marius (1x), Siero, Paul (1x), Keizers, Paul (1x)

9…c5 — 2.0% (7 parties)

Ambassadeurs : Nielsen, Gunnar (1x), Hulgaard, Herluf (1x), Gupta Aditya Raj (1x), Zhamsaran (1x), Gudmundsson, Kristjan (1x), Lauri, Joseph (1x), Marez, Sébastien (1x), Jiménez de Velasco Mazarío, Juan Ignacio (1x)

9…Bg4 — 0.8% (3 parties)

Ambassadeurs : Gaprindashvili, Nona (1x), Kushnir, Alla (1x), Kononenko, Dmitry (1x), Sitnikov, Aleksey S. (1x), Richter, Wolfgang (1x), Van Damme, Liban (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bd7	9…Bb7	9…c5	9…Bg4
<1800	6	83%	17%	—	—
1800-2200	56	88%	11%	2%	—
2200-2600	174	97%	2%	1%	1%
2600+	38	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bd7	9…Bb7	9…c5	9…Bg4
1900s	8	100%	—	—	—
1910s	2	100%	—	—	—
1920s	6	100%	—	—	—
1930s	3	100%	—	—	—
1940s	4	100%	—	—	—
1950s	2	—	—	100%	—
1960s	16	94%	—	—	6%
1970s	17	94%	—	6%	—
1980s	17	94%	—	—	—
1990s	35	94%	6%	—	—
2000s	108	94%	5%	1%	1%
2010s	103	93%	4%	2%	1%
2020s	32	91%	6%	3%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bd7	93%	91%	▼ -2.6%
9…Bb7	4%	6%	▲ +2.4%
9…c5	2%	3%	▲ +1.2%
9…Bg4	1%	0%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 4 parties
Tal, Mikhail — 2 parties
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

9…Bd7 — 93.2% (329 parties)

1901 — Te Kolste, Jan Willem vs Exner Victor — 0-1 — Haarlem NED
1901 — Te Kolste, Jan Willem vs Meiners, W B H — 0-1 — Haarlem NED
1903 — Marchand, Max vs Schelfhout, Willem — 0-1 — Monte Carlo MNC
1905 — Schories, Georg vs Blejkmans D — 1-0 — Scheveningen NED
1907 — Jacob Francis vs Billecard, Moritz — 1-0 — Ostende II

9…Bb7 — 3.7% (13 parties)

1997 — Bobras, Piotr vs Polkowski, Piotr — 1-0 — Augustow
1999 — Brady, Wallace vs Rekhsan Vlad — 1/2-1/2 — ?
2000 — Hadraba, Vladimir vs Ziabari, Morteza — 1-0 — Plzen CZE
2001 — Short, Nigel D vs Van Riemsdijk, Marius — 1-0 — Sao Paulo BRA
2004 — Siero, Paul vs Keizers, Paul — 1/2-1/2 — Haarlem NED

9…c5 — 2.0% (7 parties)

1956 — Nielsen, Gunnar vs Hulgaard, Herluf — 1-0 — Denmark ch corr
1956 — Gupta Aditya Raj vs Zhamsaran — 1-0 — Moskou olm
1973 — Gudmundsson, Kristjan vs Lauri, Joseph — 1-0 — Teesside ENG
2007 — Marez, Sébastien vs Jiménez de Velasco Mazarío, Juan Ignacio — 1-0 — ICCF
2014 — Groot, Peter J A vs Dahmen, Manuel — 1-0 — ICCF

9…Bg4 — 0.8% (3 parties)

1966 — Gaprindashvili, Nona vs Kushnir, Alla — 1/2-1/2 — Moscow RUS
2008 — Kononenko, Dmitry vs Sitnikov, Aleksey S. — 1-0 — Poltava UKR
2016 — Richter, Wolfgang vs Van Damme, Liban — 1/2-1/2 — ICCF

	♔ Blancs	♚ Noirs
Pions doublés	—	● c6, ● c7
Pions isolés	—	● a6
Arriérés	—	● c7
Chaînes	—	● c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f5 (2v1)	● g4 (2v1), ● b5 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0)	● d5 (2v1), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● b, ● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be7		● Be7 Enfermé (mob. 1)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	Non	● Oui
Non développées	3 (b1, c1, a1)	3 (c8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● e4-e5, ● f2-f3	● …c6-c5, ● …d6-d5

Partie
1903 It (Men) Monte Carlo MNC – Round 1 – Marchand, Max – 0-1 – Schelfhout, Willem – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. c4 O-O
1905 Scheveningen – Round 1 – Schories, Georg – 1-0 – Blejkmans D – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. c4 O-O
1909 World Championship 9th – Round 7 – Lasker, Emanuel – 1-0 – Forgacs, Leo – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Bg5 O-O
1914 St Petersburg prel – Round 1 – Bernstein, Ossip – 1-0 – Gunsberg, Isidor – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1924 New York – Round ? – Lasker, Emanuel – 1/2-1/2 – Yates, Frederic D – G95 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1924 New York – Round 11 – Lasker, Emanuel – 1/2-1/2 – Fred Dewhirst Yates – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1924 New York, NY USA – Round 11 – Lasker, Emanuel – 1/2-1/2 – Yates, Frederic D – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1927 Homburg – Round ? – Yates, Frederic D – 0-1 – Bogoljubow, Efim – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1927 London Olympiad 1st – Round 6.12 – Muffang, Andre – 1/2-1/2 – Yates, Frederic D – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1937 Stockholm SWE – Round 9 – Trifunovic, Petar – 1-0 – Soerensen, Ernst – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1940 Moskou ch-URS – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Petrov, Vladimirs – G99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O
1940 URS-ch12 – Round ? – Ragozin, Viacheslav – 1/2-1/2 – Petrov, Vladimir S. – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O
1962 URS Team Ch – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Spassky, Boris Vasily – G99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1963 Sochi – Round 1 – Ciocaltea, Victor – 1/2-1/2 – Kholmov, Ratmir D – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. c4 O-O
1966 Moscow – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Shamkovich, L. – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1966 Moscow Training – Round 9 – Boleslavsky, Isaac – 0-1 – Shamkovich, Leonid – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1966 Palma de Mallorca – Round 10 – Matanovic, Aleksandar – 1/2-1/2 – Shamkovich, Leonid – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1966 URS Team Ch – Round ? – Gaprindashvili, Nona – 1/2-1/2 – Kushnir, Alla – G126 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bg4 10. Qd3 Qd7
1968 WchT U26 15. qual-B – Round 5.1 – Holaszek, Hans – 1/2-1/2 – Pritchett, Craig W – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
1969 Sweden – Round 1 – Kinnmark, Ove – 1/2-1/2 – Nilsson, Zandor – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 c5
Corsica Masters KO 2005 – Round 2.2 – Fressinet, Laurent – 0-1 – Adams, Michael – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
Corus A 2007 – Round 4 – Motylev, Alexander – 1/2-1/2 – Aronian, Levon – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
Moscow 1975 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Kholmov, Ratmir D – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O
Torneo Magistral 6th 1997 – Round 2 – Topalov, Veselin – 1-0 – Short, Nigel D – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O
USA Ch 2022 – Round 4.6 – Sevian, Samuel – 1/2-1/2 – Liang, Awonder – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O a6 6. Bxc6+ bxc6 7. d4 Be7 8. Re1 exd4 9. Nxd4 Bd7 10. c4 O-O
Yerevan ol (Men) 1996 – Round 10 – Leko, Peter – 1/2-1/2 – Christiansen , Luis – G149 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 O-O

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