C87j — Spanish: Closed, Averbakh, 7.c3 O-O 8.d4

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 * ● Trait aux Noirs

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. Les fous enfermés en e7 et c8.

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 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bg4 (Développer Bc8, 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)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	2 (c8, 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
1903 Hilversum – Round 2 – Vijzelaar, J – 0-1 – Leonhardt, Paul – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 O-O 7. c3 d6 8. d4 b5 9. Bc2 Bg4 10. Be3 Re8
1903 Hilversum – Round 9 – Te Kolste, Jan Willem – 1/2-1/2 – Meiners, W B H – 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. d4 exd4 9. cxd4 Bd7 10. Nc3 Re8
1903 It (Men) Hilversum NED – Round 1 – Leussen, Benjamin – 0-1 – Speijer, Abraham – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. Re1 O-O 8. d4 Nd7 9. Nbd2 Bf6 10. Nf1 Ne7
1903 It (Men) Monte Carlo MNC – Round 26 – Taubenhaus, Jean – 1/2-1/2 – D Marco, Gianni – G126 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 Nd7 9. Bxc6 bxc6 10. dxe5 Nxe5
1903 It (Men) Monte Carlo MNC – Round 26 – Teichmann, Richard – 1/2-1/2 – Tartakower, Savielly – G125 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 Nd7 9. Nbd2 Bf6 10. Nf1 Qe7
1904 DSB-14.Kongress – Round 13 – Suechting, Hugo – 1/2-1/2 – D Marco, Gianni – G61 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 b5 9. Bc2 Bg4 10. Be3 Re8
1906 DSB-15.Kongress – Round 8 – Cohn, Erich – 1/2-1/2 – Fleischmann, Leo – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Re1 Bg4 9. Bxc6 bxc6 10. Nbd2 Nd7
1906 Lodz – Round 1 – Flamberg, Alexander – 1-0 – Salwe, Georg – G7 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 Nd7 9. Bxc6 bxc6 10. dxe5 Nxe5
1907 Karlsbad – Round 1 – Olland, Adolf George – 1-0 – Cohn, Erich – G109 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 b5 9. Bc2 Bg4 10. d5 Nb8
1908 Vienna – Round 4 – Von Bardeleben, Curt – 1/2-1/2 – Suechting, Hugo – 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. d4 b5 9. Bc2 Bg4 10. d5 Na5
1909 BCF Ch 6th – Round 5 – Ward, William 2001 – 1-0 – Atkins, Henry Ernest – 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. d4 Nd7 9. Bxc6 bxc6 10. dxe5 dxe5
1913 New York Rice – Round ? – Chajes, Oscar – 1-0 – Marder, Alexandr L – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 O-O 8. d4 exd4 9. cxd4 Bg4 10. Nc3 Bxf3
1916 New York Rice prel – Round 1 – Capablanca, Jose – 1-0 – Aadhyeta Roy – G2 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 b5 9. Bc2 Bg4 10. d5 Nb8
1923 Maehrisch Ostrau – Round 7 – Tarrasch, Siegbert – 0-1 – Selezniev, Alexey – 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. d4 b5 9. Bc2 Bg4 10. d5 Na5
1925 Moscow – Round ? – Lasker, Emanuel – 1-0 – Yates, Frederic D – G188 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. d4 Nd7 9. Nbd2 Bf6 10. Nf1 Re8
1925 Moscow – Round 1 – Verlinsky, Boris – 1-0 – Spielmann, Rudolf – G93 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Re1 exd4 9. cxd4 Bg4 10. Nc3 Bxf3
1942 Moscow RUS – Round 1 – Smyslov, Vladimir – 1-0 – Panov, Vasily – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. d4 b5 9. Bc2 Bg4 10. d5 Na5
1947 Kassel – Round 4 – Unzicker, Ferdinand, Dr. – 0-1 – Bogoljubow, Efim – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Re1 b5 9. Bc2 Bg4 10. d5 Nb8
1948 Venice – Round 1 – Castiglioni, Andre Lazzari – 0-1 – Stalda, Giuseppe – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. Re1 O-O 8. d4 Nd7 9. Bc2 Bf6 10. d5 Ne7
1949 Moscow Ch – Round 1 – Ravinsky, Grigory – 1-0 – Konstantinopolsky, Alexander – 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. d4 b5 9. Bc2 Bg4 10. d5 Nb8
1953 Hastings ch-BCF – Round 1 – Yanofsky, Daniel Abraham – 0-1 – Horne, Dennis Morton – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. d4 Nd7 9. Nbd2 Bf6 10. Nf1 Nb6
1956 Moscow olm prel – Round 1 – O'Reilly, Edward – 1/2-1/2 – Barcza, Gedeon – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Re1 Nd7 9. Nbd2 Bf6 10. Nf1 Ne7
1961 Baku ch-URS – Round 15 – Bronstein, David I – 1/2-1/2 – Averbakh, Yuri L – G144 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 Nd7 9. Be3 Bf6 10. Nbd2 Ne7
1963 Enschede zt – Round 1 – Penrose, Justin – 1-0 – Filip, Marius Liviu – G31 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 exd4 9. cxd4 d5 10. exd5 Nb4
1963 Leipzig Open 6364 2nd – Round 4 – Schoeneberg, Manfred – 1-0 – Bauer, Erich – G23 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 b5 9. Bc2 Bg4 10. d5 Nb8
1964 Capablanca Memorial – Round 12 – Garcia Martinez, Salomon – 1/2-1/2 – Jimenez Zerquera, Eleazar – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. Re1 O-O 8. d4 Nd7 9. Nbd2 Bf6 10. Nf1 Nb6
1964 Kiev ch-URS – Round 1 – Tal, Mikhail – 1-0 – Shamkovich, Leonid – G104 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 exd4 9. cxd4 Bg4 10. Nc3 Nd7
1966 Sochi Chigorin Memorial 04th – Round 1 – Matulovic, Milan – 1-0 – Antoshin, Vladimir S – G6 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 Nd7 9. Be3 Bf6 10. Nbd2 Ne7
1967 Moscow RUS – Round 1 – Zaitsev, Igor A – 1-0 – Antoshin, Vladimir S – 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 Nd7 9. Be3 Bf6 10. Nbd2 Ne7
1967 October Revolution 50 – Round ? – Suetin, Alexey S – 1-0 – Jimenez Zerquera, Eleazar – G112 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 exd4 9. cxd4 d5 10. e5 Ne4
1967 Vrnjacka Banja zt – Round 2 – Mohrlok, Dieter – 1/2-1/2 – Kostro, Jerzy – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 O-O 7. c3 d6 8. Re1 Nd7 9. Nbd2 Bf6 10. Nf1 Ne7
1968 Lugano olm - Round 1 - Friedgood, David - 0-1 - Kostro, Jerzy - G423 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 Nd7 9. Nbd2 Bf6 10. Bxc6 bxc6
1968 Moscow Ch – Round 1 – Suetin, Alexey S – 1-0 – Shamkovich, Leonid – 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 b5 9. Bc2 Bg4 10. d5 Nb8
1968 WchT U26 15. fin-B – Round 5.1 – Westerinen, Heikki M.J. – 1-0 – Pritchett, Craig W – 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 b5 9. Bc2 Re8 10. h3 Bb7
1969 Yugoslavia – Round 1 – Matulovic, Milan – 1-0 – Nikolac, Juraj – G19 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 Nd7 9. Be3 Bf6 10. Nbd2 b5
1970 Palma de Mallorca Interzonal – Round 15 – Fischer, Robert James Jamesames – 1/2-1/2 – Jimenez Zerquera, Eleazar – G211 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 exd4 9. cxd4 d5 10. e5 Ne4
Moskou ch-URS 1973 – Round 10 – Geller, Efim P – 1-0 – Keres, Paul – G69 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 Nd7 9. Be3 Bf6 10. Nbd2 Re8

C87j — 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

Eval: [+0.47]

Les coups candidats

8…b5 — 47.0% (164 parties)

Ambassadeurs : Woelfelschneider, Peter (3x), Panov, Dmitry (3x), D Marco, Gianni (2x), Whitaker, Norman (2x), Price, Hubert E (2x), Suechting, Hugo (2x), Pritchett, Craig W (2x), Romanishin, Oleg M (2x)

8…Bd7 — 18.6% (65 parties) →

Ambassadeurs : Malewicz, Frank (7x), Szabo, Laszlo (3x), Haraldsson, Haraldur (3x), Yates, Frederic D (2x), Michell, Reginald (2x), Teichmann, Richard (2x), Ivkov, Borislav (2x), Hýbl, Vladislav (2x)

8…exd4 — 14.3% (50 parties)

Ambassadeurs : Jimenez Zerquera, Eleazar (2x), Biyiasas, Peter (2x), Verlinsky, Boris (1x), Spielmann, Rudolf (1x), Chajes, Oscar (1x), Marder, Alexandr L (1x), Van den Bosch, Johannes (1x), Davidson, Jacques (1x)

8…Bg4 — 12.3% (43 parties)

Ambassadeurs : Reshevsky, Samuel (1x), Knoller, Martin (1x), Leussen, Benjamin (1x), Mannheimer, Nathan (1x), Van den Bosch, Johannes (1x), De Groot, Adriaan (1x), Yanofsky, Daniel Abraham (1x), Fillery, W.E. Frank (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b5	8…Bd7	8…exd4	8…Bg4
<1800	9	56%	—	—	44%
1800-2200	93	61%	11%	15%	13%
2200-2600	59	63%	20%	5%	5%
2600+	2	—	50%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b5	8…Bd7	8…exd4	8…Bg4
1900s	22	36%	18%	5%	9%
1910s	11	73%	9%	18%	—
1920s	16	44%	19%	19%	12%
1930s	5	20%	60%	20%	—
1940s	10	60%	10%	—	20%
1950s	7	29%	43%	—	—
1960s	21	24%	24%	14%	5%
1970s	17	35%	18%	29%	6%
1980s	8	12%	25%	—	62%
1990s	44	41%	16%	23%	16%
2000s	81	43%	30%	14%	11%
2010s	92	64%	9%	12%	12%
2020s	15	53%	7%	20%	20%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b5	64%	53%	▼ -10.8%
8…Bd7	9%	7%	▼ -2.0%
8…exd4	12%	20%	▲ +8.0%
8…Bg4	12%	20%	▲ +8.0%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 2 parties
Smyslov, Vladimir — 1 partie
Euwe, Max — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

8…b5 — 47.0% (164 parties)

1902 — Leussen, Benjamin vs Tabunshikov, Vasily — 1-0 — Hannover GER
1903 — Vijzelaar, J vs Leonhardt, Paul — 0-1 — Hilversum NED
1904 — Te Kolste, Jan Willem vs Schapiro, S. — 1-0 — Neuss
1904 — Suechting, Hugo vs D Marco, Gianni — 1/2-1/2 — Coburg
1905 — Teichmann, Radek vs D Marco, Gianni — 1/2-1/2 — Ostende

8…Bd7 — 18.6% (65 parties)

1902 — Janowsky, D. vs Schlechter, C. — 1-0 — Carlsbad CZE
1905 — Teichmann, Richard vs Burn, Amos — 0-1 — Ostende
1906 — Sjoberg, Victor vs Svensson, Sven — 1/2-1/2 — Stockholm SWE
1909 — Perlis, Julius vs Teichmann, Richard — 1-0 — St Petersburg RUS
1913 — Te Kolste, Jan Willem vs Van Foreest, Arnold — 1-0 — Scheveningen NED

8…exd4 — 14.3% (50 parties)

1903 — Te Kolste, Jan Willem vs Meiners, W B H — 1/2-1/2 — Hilversum NED
1913 — Chajes, Oscar vs Marder, Alexandr L — 1-0 — New York, NY USA
1919 — Olson, Anton vs Jacobson, Ernst — 1-0 — Stockholm SWE
1925 — Verlinsky, Boris vs Spielmann, Rudolf — 1-0 — Moscow RUS
1926 — Sayers, James vs Wallace, Albert E N — 0-1 — Sydney AUS

8…Bg4 — 12.3% (43 parties)

1901 — Leussen, Benjamin vs Mannheimer, Nathan — 1/2-1/2 — Haarlem NED
1906 — Cohn, Erich vs Fleischmann, Leo — 1/2-1/2 — Nuerenberg GER
1920 — Reshevsky, Samuel vs Knoller, Martin — 1-0 — New York, NY USA
1923 — Rosselli del Turco, Stefano vs Cancelliere, Giuseppe — 1-0 — Trieste
1945 — Van den Bosch, Johannes vs De Groot, Adriaan — 1/2-1/2 — Utrecht NED

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