C87k — Spanish: Closed, Averbakh, 7.c3 O-O 8.d4 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.d4 Bd7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte g5, 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) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4, un fou actif en d7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

Plans. ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, c3→d4	● d6→e5, b7→a6, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (3v2)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
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, ● d4-d5	● …d6-d5

Partie
1905 It (Men) Stockholm SWE – Round 16 – Taubenhaus, Jean – 0-1 – D Marco, Gianni – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 Bd7 8. d4 O-O 9. h3 Kh8 10. Nbd2 exd4
1906 Stockholm – Round 5 – Marco, Georg – 0-1 – Svensson, Sven – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bd7 8. d4 O-O 9. h3 Kh8 10. Nbd2 Qe8
1907 Ostende II – Round 17 – Cohn, Erich – 1/2-1/2 – Shoosmith, Hector W – G206 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. Re1 Be7 8. c3 O-O 9. h3 h6 10. Nbd2 Re8
1913 Scheveningen – Round 5 – Te Kolste, Jan Willem – 1-0 – Van Foreest, Arnold – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. Bg5 Na7 10. dxe5 Bxa4
1926 Budapest – Round 1 – Ahmed Nagy, Shady – 1-0 – Yates, Frederic D – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 Bd7 6. c3 Nf6 7. O-O Be7 8. Re1 O-O 9. h3 Re8 10. Nbd2 Bf8
1926 Budapest – Round 2 – Nagy, Geza – 1-0 – Yates, Frederic D – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 Bd7 6. c3 Nf6 7. O-O Be7 8. Re1 O-O 9. h3 Re8 10. Nbd2 Bf8
1935 GER ch Bad Aachen – Round 15 – Rellstab, Ludwig – 1-0 – Ahues, Carl – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 Bd7 6. O-O Nf6 7. c3 Be7 8. Re1 O-O 9. h3 exd4 10. cxd4 d5
1937 Parnu – Round 5 – Keres, Paul – 1-0 – Raud, Ilmar – 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. d4 Bd7 9. d5 Nb8 10. Bc2 c6
1938 GBR Ch 31st – Round 6 – Mallison, Harold Vincent – 0-1 – Aitken, James – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 Be7 8. d4 O-O 9. d5 Nb8 10. Bc2 c6
1939 Leningrad/Moscow – Round 5 – Panov, Vasily – 1/2-1/2 – Rabinovich, Ilya Mar – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. h3 Re8 10. Nbd2 Bf8
1942 GER Ch 09th – Round 5 – Rellstab, Ludwig – 1-0 – Teschner, Rudolf – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. h3 Re8 10. Nbd2 Bf8
1943 Salzburg – Round 1 – Rellstab, Ludwig – 1/2-1/2 – Keres, Paul – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 Be7 8. d4 O-O 9. h3 Re8 10. Nbd2 exd4
1945 Moscow RUS – Round 9 – Panov, Vasily – 1-0 – Kamyshov, Mikhail – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. h3 Re8 10. Nbd2 exd4
1947 CAN Ch – Round 10 – Yanofsky, Daniel Abraham – 1-0 – Brunet, Phil – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bd7 8. d4 O-O 9. h3 Be8 10. Nbd2 Nd7
1953 Opatija – Round 17 – Milic, Borislav – 1-0 – Donner, Jan-Hein – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. h3 Qe8 10. Bc2 Kh8
1956 Moscow olm fin-A – Round 9 – Blau, Max – 0-1 – Szabo, Laszlo – G153 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Be7 7. Re1 O-O 8. d4 Bd7 9. d5 Nb8 10. c4 Bxa4
1957 It – Round 12 – Fuchs, Reinhart – 1-0 – Robatsch, Karl – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. O-O Be7 8. Re1 O-O 9. d5 Nb8 10. Bxd7 Nbxd7
1959 Asztalos Memorial – Round 11 – Dely, Peter – 1/2-1/2 – Neikirkh, Oleg – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. a3 Re8 10. b4 Bf8
1959 Candidates Tournament women – Round 3 – Rootare, Salme – 1-0 – Ladanyike-Karakas, Eva – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. h3 Re8 10. Bc2 h6
1960 Avantgard Ch – Round 5 – Gufeld, Eduard – 1/2-1/2 – Kostiuchenko, Alexander – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. a3 Qe8 10. Bc2 Bg4
1960 Sao Paulo zt – Round 3 – Flores Alvarez, Rodrigo – 1-0 – Perez Alcocer, Jose – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. a3 b5 10. Bb3 Bg4
1962 Argentina – Round 14 – Gonzalez Intelangelo, Gerardo – 1/2-1/2 – Eliskases, Erich – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. d5 Nb8 10. Bxd7 Nbxd7
1963 Alekhine Memorial – Round 5 – Hort, Vlastimil – 1/2-1/2 – Matanovic, Aleksandar – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bd7 7. Re1 Be7 8. d4 O-O 9. Bg5 Re8 10. Nbd2 Ng4
1964 Amsterdam Interzonal – Round 12 – Ivkov, Borislav – 1/2-1/2 – Rossetto, Hector – G116 1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Re1 O-O 9. a3 b5 10. Bc2 Bg4
1965 IBM-B – Round 3 – Milic, Bozidar – 1/2-1/2 – Enevoldsen, Jens – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. h3 Re8 10. a3 Bf8
1965 Pardubice – Round 8 – Novak, Ervin – 1-0 – Machacek, Petr – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. Bb3 Qe8 10. Nbd2 Kh8
1966 Helsinki – Round 9 – Book, Eero – 1/2-1/2 – Brander, Ilmari – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. h3 Re8 10. Bb3 Na5
1966 Hoogovens 28th – Round 8 – Ivkov, Borislav – 1/2-1/2 – Van Scheltinga, Theo – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Re1 O-O 9. a3 Qe8 10. Bc2 Bg4
1967 Halle zt – Round 11 – Westerinen, Heikki M.J. – 1/2-1/2 – Portisch, Ferenc – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Bc2 Re8 10. Bg5 h6
1967 It II Beverwijk NED – Round 3 – Szily, Jozsef – 1-0 – Enevoldsen, Jens – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. a3 exd4 10. cxd4 d5
1968 Bamberg – Round 12 – Klundt, Klaus – 1/2-1/2 – Westerinen, Heikki M.J. – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. d4 Be7 8. Re1 O-O 9. h3 Re8 10. Bg5 h6
1968 Hoogovens – Round 8 – Padevsky, Nikola – 0-1 – Portisch, Lajos – G75 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. a3 Re8 10. Nbd2 Bf8
1968 Kislovodsk – Round 1 – Ryts, J. – 1/2-1/2 – Ciocaltea, Victor – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. dxe5 Nxe5 10. Nxe5 dxe5
1969 Venice – Round 5 – Robatsch, Karl – 1/2-1/2 – Ivkov, Borislav – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. d5 Nb8 10. Bxd7 Nbxd7
1975 URS Team Ch – Round 1 – Tseitlin, Mark D – 0-1 – Grushevsky, Alexander – G406 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bd7 7. d4 Be7 8. Re1 O-O 9. h3 Re8 10. d5 Nb8

C87k — 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.d4 Bd7

Eval: [+0.54]

Les coups candidats

9.Nbd2 — 68.9% (611 parties) →

Ambassadeurs : Westerinen, Heikki M.J. (11x), Osbun, Erik (9x), Yates, Frederic D (7x), Parma, Bruno (7x), Smyslov, Vladimir (7x), Bogoljubow, Efim (6x), Teichmann, Richard (5x), Enevoldsen, Jens (5x)

9.h3 — 16.8% (149 parties)

Ambassadeurs : Rellstab, Ludwig (4x), Kovacova, Zuzana (3x), Panov, Vasily (2x), Yanofsky, Daniel Abraham (2x), Yates, Frederic D (2x), Reshevsky, Samuel (2x), Shoosmith, Hector W (2x), Fox, Maurice (2x)

9.d5 — 7.4% (66 parties)

Ambassadeurs : Ivkov, Borislav (3x), Robatsch, Karl (2x), Van Dijk, Olger C (2x), Arakhamia-Grant, Ketevan (2x), Weill, Roland (2x), Rawlings William H (1x), Opsahl, Haakon (1x), Mallison, Harold Vincent (1x)

9.Bg5 — 2.7% (24 parties)

Ambassadeurs : Reshevsky, Samuel (1x), Elwin Glenn Short (1x), Te Kolste, Jan Willem (1x), Van Foreest, Arnold (1x), Sjoberg, Victor (1x), Svensson, Sven (1x), Hort, Vlastimil (1x), Matanovic, Aleksandar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Nbd2	9.h3	9.d5	9.Bg5
<1800	21	52%	24%	5%	14%
1800-2200	166	60%	23%	11%	2%
2200-2600	223	71%	16%	9%	2%
2600+	8	38%	38%	25%	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Nbd2	9.h3	9.d5	9.Bg5
1890s	4	100%	—	—	—
1900s	12	58%	33%	—	8%
1910s	5	80%	—	—	20%
1920s	18	67%	28%	—	6%
1930s	30	77%	13%	10%	—
1940s	28	71%	29%	—	—
1950s	59	76%	14%	5%	—
1960s	102	75%	10%	3%	2%
1970s	98	88%	8%	2%	1%
1980s	59	80%	10%	5%	2%
1990s	92	64%	15%	12%	3%
2000s	191	65%	15%	12%	4%
2010s	160	58%	24%	11%	4%
2020s	29	38%	48%	7%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Nbd2	58%	38%	▼ -19.6%
9.h3	24%	48%	▲ +23.9%
9.d5	11%	7%	▼ -3.7%
9.Bg5	4%	0%	▼ -4.4%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 7 parties
Alekhine, Alexander — 4 parties
Euwe, Max — 4 parties
Lasker, Emanuel — 3 parties
Kramnik, Vladimir — 2 parties
Steinitz, Wilhelm — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

9.Nbd2 — 68.9% (611 parties)

1895 — Walbrodt, Carl vs Steinitz, Wilhelm — 0-1 — Hastings ENG
1897 — Janowski, Dawid vs Walbrodt, Carl — 1/2-1/2 — Berlin GER
1897 — Teichmann, Richard vs Blackburne, Joseph — 0-1 — Berlin GER
1897 — Teichmann, Richard vs Blackburne, Joseph — 0-1 — Berlin GER
1900 — Schlechter, Carl vs Pillsbury, Harry — 0-1 — 12th DSB Congress playoff

9.h3 — 16.8% (149 parties)

1905 — Taubenhaus, Jean vs D Marco, Gianni — 0-1 — Ostende
1906 — Marco, Georg vs Svensson, Sven — 0-1 — Stockholm SWE
1907 — Cohn, Erich vs Shoosmith, Hector W — 1/2-1/2 — Ostende II
1907 — Billecard, Moritz vs Shoosmith, Hector W — 1-0 — Ostende II
1921 — Sergeant, Edward vs Spencer, Edwin A — 1-0 — Broadstairs op

9.d5 — 7.4% (66 parties)

1935 — Rawlings William H vs Opsahl, Haakon — 1/2-1/2 — Montreal CAN
1937 — Keres, Paul vs Raud, Ilmar — 1-0 — Parnu EST
1938 — Mallison, Harold Vincent vs Aitken, James — 0-1 — Brighton, Royal Pavilion
1954 — Pfeiffer, Gerhard vs Trifunovic, Petar — 1-0 — Ruesselsheim BRD-YUG
1956 — Blau, Max vs Szabo, Laszlo — 0-1 — Moscow RUS

9.Bg5 — 2.7% (24 parties)

1906 — Sjoberg, Victor vs Svensson, Sven — 1/2-1/2 — Stockholm SWE
1913 — Te Kolste, Jan Willem vs Van Foreest, Arnold — 1-0 — Scheveningen NED
1921 — Reshevsky, Samuel vs Elwin Glenn Short — 1/2-1/2 — Meier & Frank Department Store, Portland, OR USA
1963 — Hort, Vlastimil vs Matanovic, Aleksandar — 1/2-1/2 — Moscow RUS
1965 — Hennings, Artur vs Bienert, Kurt — 1-0 — Bourgas BUL

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