C87o — Spanish: Closed, Averbakh, 7.c3 O-O 8.h3 Bd7

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.h3 Bd7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur un fou actif en a4 et la paire de fous.

Côté adverse. Le fou enfermé en e7.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur un fou actif en d7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

Plans. ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3, g2→h3	● d6→e5, b7→a6, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Ba4	● Ba4 Actif (mob. 4)
Bd7		● Bd7 Actif (mob. 6)
Be7		● Be7 Enfermé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	1 (a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d2-d3	● …d6-d5

Partie
1903 It (Men) Monte Carlo MNC – Round 3 – Spielmann, Rudolf – 1-0 – Tartakower, Savielly – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 O-O 8. h3 Bd7 9. d4 Re8 10. Bc2 h6
1905 Ostende – Round 15 – Tarrasch, Siegbert – 1-0 – Teichmann, Richard – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 h6 10. Bc2 Re8
1907 Berlin Jubilee – Round 10 – Teichmann, Richard – 1-0 – Post, Erhard – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 Re8 10. Nbd2 Bf8
1908 Vienna – Round 1 – Schlechter, Carl – 1-0 – Suechting, Hugo – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 b5 10. Bb3 Qc8
1908 Vienna – Round 7 – Cohn, Erich – 1/2-1/2 – Von Bardeleben, Curt – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1927 London Olympiad 1st – Round 4.12 – Steiner, Endre – 1-0 – Yates, Frederic D – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. h3 Bd7 9. d4 Kh8 10. Nbd2 exd4
1928 Budapest – Round 1 – Joyeux Steiner, Gael – 1/2-1/2 – Merenyi, Lajos – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. Re1 O-O 8. h3 Bd7 9. d4 Be8 10. a3 Nd7
1928 It BSG Berlin GER – Round 8 – Steiner, Lajos – 1-0 – Bogoljubow, Efim – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 Re8 10. Nbd2 exd4
1929 Karlsbad – Round 1 – Maroczy, Geza – 1/2-1/2 – Johner, Paul – G123 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d3 Qc8 10. Nbd2 Nd8
1933 GER Ch 1st – Round 1 – Bogoljubow, Efim – 1-0 – Leonhardt, Paul – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 Rc8 10. Bb3 h6
1938 Krefeld – Round 1 – Rogmann, Gustav – 0-1 – Schlage, Willi – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 O-O 8. h3 Bd7 9. d4 Re8 10. Nbd2 exd4
1940 Moskou ch-URS – Round 1 – Gerstenfeld, Eduard – 0-1 – Keres, Paul – G95 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. h3 Bd7 7. Re1 Be7 8. c3 O-O 9. d4 Re8 10. a3 exd4
1947 AUS Ch – Round 12.1 – Steiner, Lajos – 1-0 – Kable, John Richard – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 Re8
1951 GER Ch 14th – Round 20 – Pfeiffer, Gerhard – 1/2-1/2 – Teschner, Rudolf – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Bd7 7. Re1 Be7 8. h3 O-O 9. d4 Re8 10. Nbd2 exd4
1962 URS Team Ch – Round 1 – Kholmov, Ratmir D – 1/2-1/2 – Maslov Lavrenuk, Vladimir – G101 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1962 URS Team Ch – Round 1 – Tal, Mikhail – 1/2-1/2 – Keres, Paul Petrovich – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1962 Varna ol (Men) qual-D – Round 7 – Siliki – 0-1 – Honfi, K. – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. h3 O-O 9. d4 exd4 10. cxd4 d5
1962 Vrnjacka Banja – Round 11 – Parma, Bruno – 1/2-1/2 – Gligorić, Svetozar – G109 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Be7 7. Re1 O-O 8. h3 Bd7 9. d4 Re8 10. dxe5 Nxe5
1963 HUN-RSFSR – Round 2.11 – Zakharov, Alexander V – 1-0 – Tompa, Janos – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1963 Liberation – Round 1 – Nedeljkovic, Aleksandar – 1/2-1/2 – Kholmov, Ratmir D – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1963 Moscow – Round 1 – Murey, Jacob – 1-0 – Tomson, A – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. h3 O-O 8. c3 Bd7 9. d4 exd4 10. cxd4 d5
1965 Moscow – Round 1 – Zakharov, Alexander V – 1-0 – Norkin J – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1966 Harrachov – Round 1 – Janosevic, Dragoljub – 1/2-1/2 – Jimenez Zerquera, Eleazar – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
1966 La Habana olm prel – Round 3 – Nilsson, Zandor – 1-0 – Medina Garcia, Antonio Angel – G109 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Be7 7. Re1 O-O 8. h3 Bd7 9. d4 Re8 10. Bg5 exd4
1967 It II Beverwijk NED – Round 6 – Nainggolan M – 0-1 – Szily, Jozsef – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. h3 O-O 9. d4 Re8 10. Nbd2 Bf8
1968 IBM II – Round 11 – Gereben, Erno – 1-0 – Acuna Medina, Angel G. – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 Bd7 9. d4 Re8 10. Nbd2 Bf8
Manila Interzonal 1990 – Round 3 – De Firmian, Nick – 1/2-1/2 – Portisch, Lajos – G51 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. c3 Nf6 7. Re1 O-O 8. h3 Bd7 9. d4 exd4 10. cxd4 d5
World Blitz 2017 – Round 21.21 – Zhigalko, Sergei – 1-0 – Safarli, Elmir – G1088 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. h3 O-O 9. d4 Re8 10. Nbd2 Bf8

C87o — Closed Averbakh

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.h3 Bd7

Eval: [+0.63]

Les coups candidats

9.d4 — 87.6% (303 parties)

Ambassadeurs : Kholmov, Ratmir D (5x), Keres, Paul (2x), Steiner, Lajos (2x), Teichmann, Richard (2x), Bogoljubow, Efim (2x), Zakharov, Alexander V (2x), Westerinen, Heikki M.J. (2x), Biyiasas, Peter (2x)

9.d3 — 7.8% (27 parties)

Ambassadeurs : Gregory, Bernhard (1x), Helbach, Grigory (1x), Maroczy, Geza (1x), Johner, Paul (1x), Zura, Jutta (1x), Jilemnicka S (1x), From, Sigfred (1x), Larsen, Poul M. (1x)

9.Bc2 — 4.3% (15 parties)

Ambassadeurs : Stoltz, B. (1x), Hall, Antony C (1x), Panic, Branko (1x), Radic, Veljko (1x), Kopp, Lubomir (1x), Kordinova, Monika (1x), Deutsch Andreas (1x), Einhaeuser Wolfgang (1x)

9.Bb3 — 0.3% (1 parties)

Ambassadeurs : Haas, Vanessa (1x), Muench, Marlene (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.d4	9.d3	9.Bc2	9.Bb3
<1800	28	82%	11%	7%	—
1800-2200	96	92%	7%	1%	—
2200-2600	45	93%	4%	2%	—
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.d4	9.d3	9.Bc2	9.Bb3
1900s	6	83%	17%	—	—
1920s	4	75%	25%	—	—
1930s	3	100%	—	—	—
1940s	3	100%	—	—	—
1950s	5	100%	—	—	—
1960s	19	89%	11%	—	—
1970s	17	88%	12%	—	—
1980s	17	94%	6%	—	—
1990s	59	85%	5%	8%	2%
2000s	121	88%	7%	5%	—
2010s	80	89%	8%	4%	—
2020s	12	75%	17%	8%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.d4	89%	75%	▼ -13.8%
9.d3	8%	17%	▲ +9.2%
9.Bc2	4%	8%	▲ +4.6%
9.Bb3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

9.d4 — 87.6% (303 parties)

1903 — Spielmann, Rudolf vs Tartakower, Savielly — 1-0 — Monte Carlo MNC
1905 — Tarrasch, Siegbert vs Teichmann, Richard — 1-0 — Ostende
1907 — Teichmann, Richard vs Post, Erhard — 1-0 — Berlin GER
1908 — Schlechter, Carl vs Suechting, Hugo — 1-0 — Vienna AUT
1908 — Cohn, Erich vs Von Bardeleben, Curt — 1/2-1/2 — Vienna AUT

9.d3 — 7.8% (27 parties)

1909 — Gregory, Bernhard vs Helbach, Grigory — 1-0 — St Petersburg RUS
1929 — Maroczy, Geza vs Johner, Paul — 1/2-1/2 — Carlsbad CZE
1964 — From, Sigfred vs Larsen, Poul M. — 0-1 — ?
1967 — Zura, Jutta vs Jilemnicka S — 0-1 — Halle GER
1970 — Djurhuus, Rune vs Bendriss, Hatim — 1-0 — Siegen GER

9.Bc2 — 4.3% (15 parties)

1994 — Deutsch Andreas vs Einhaeuser Wolfgang — 1-0 — Hockenheim GER
1995 — Panic, Branko vs Radic, Veljko — 1-0 — Kranj SLO
1995 — Kopp, Lubomir vs Kordinova, Monika — 0-1 — Klatovy CZE
1998 — Startseva, Ksenia vs Keskin, Serap — 1-0 — Oropesa del Mar ESP
1999 — Stoltz, B. vs Hall, Antony C — 1-0 — ?

9.Bb3 — 0.3% (1 parties)

1995 — Haas, Vanessa vs Muench, Marlene — 1/2-1/2 — Darmstadt

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