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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Plans. d4 (Occuper le centre — 88 % des parties) ; d3 (Solidifier le centre — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...b5 (Expansion aile dame — 27 % des parties) ; ...Re8 (22 % des parties) ; ...h6 (10 % des parties).

Avantages

Faiblesses

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 Ok (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	● d2-d4	● …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 (1903)

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

Les coups candidats

9.d4 — 87.6% (296 parties)

Ambassadeurs : Kholmov, Ratmir D (5x), Zakharov, Alexander (2x), Ac, Michal (2x), Franco Valencia, Angela (2x), Sin Kuen (1x), Benis, Ahmed (1x), Nilsson, Zandor (1x), Medina Garcia, Antonio Angel (1x)

9.d3 — 7.4% (25 parties)

Ambassadeurs : Zura, Jutta (1x), Jilemnicka, S. (1x), From, Sigfred (1x), Larsen, Poul M. (1x), Browne, Walter Shawn (1x), Abanin, Vladimir (1x), Djurhuus, Rune (1x), Bendriss, Hatim (1x)

9.Bc2 — 4.7% (16 parties)

Ambassadeurs : Stoltz, B (1x), Hall, Antony C (1x), Panic, Branko (1x), Radic, Veljko (1x), Kopp, Lubomir (1x), Kordinova, Monika (1x), Startseva, Ksenia (1x), Keskin, Serap (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	45	89%	11%	—	—
1800-2200	115	89%	8%	3%	—
2200-2600	44	93%	5%	2%	—
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.d4	9.d3	9.Bc2	9.Bb3
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	81	89%	7%	4%	—
2020s	19	79%	11%	11%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.d4	89%	79%	▼ -9.9%
9.d3	7%	11%	▲ +3.1%
9.Bc2	4%	11%	▲ +6.8%
9.Bb3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

9.d4 — 87.6% (296 parties)

1951 — Pfeiffer, Gerhard vs Teschner, Rudolf — 1/2-1/2 — Duesseldorf GER
1952 — Simagin, Vladimir vs Konstantinopolsky, Alexander — 1/2-1/2 — URS-ch sf Sochi RUS
1952 — Ignatenko, P. vs Hanks, John — 0-1 — Melbourne AUS
1953 — Donner, Jan-Hein vs Lambert, Hans — 0-1 — Mont Pelerin sur Vevey
1956 — Reid, John (Vic) vs Stanton, William — 0-1 — Dublin IRL

9.d3 — 7.4% (25 parties)

1964 — From, Sigfred vs Larsen, Poul M. — 0-1 — ?
1967 — Zura, Jutta vs Jilemnicka, S. — 0-1 — Halle GER
1970 — Browne, Walter Shawn vs Abanin, Vladimir — 1/2-1/2 — Sarajevo BIH
1970 — Djurhuus, Rune vs Bendriss, Hatim — 1-0 — Siegen GER
1980 — Kloostra, Juan vs Hanks, John — 1-0 — Adelaide AUS

9.Bc2 — 4.7% (16 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 — ?

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