C87n — Spanish: Closed, Averbakh, 7.c3 O-O 8.h3

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 * ● 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 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) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur 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, 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)
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, ● d2-d3	● …d6-d5

Partie
1903 It (Men) Monte Carlo MNC – Round 9 – Marchand, Max – 1-0 – Marco, Georg – G40 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 Kh8 9. d4 Nd7 10. Bxc6 bxc6
1904 London – Round 2 – Loman, Rudolf – 1-0 – Gunsberg, I. – 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. h3 Nd7 9. d4 exd4 10. cxd4 b5
1906 DSB-15.Kongress – Round 1 – Cohn, Erich – 1-0 – Salwe, Georg – 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 Nd7 9. d4 Bf6 10. Be3 Ne7
1906 DSB-15.Kongress – Round 16 – Cohn, Erich – 1/2-1/2 – Schlechter, Carl – G94 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 b5 9. Bc2 Bb7 10. d4 exd4
1906 Ostende – Round 1 – Důras, Oldřich – 1-0 – Teichmann, Richard – G32 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 h6 9. d4 Bd7 10. Nbd2 Re8
1907 Berlin Jubilee – Round 2 – Przepiorka, Dawid – 1/2-1/2 – Post, Erhard – G9 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 Nd7 9. d4 Bf6 10. Be3 Re8
1907 Karlsbad – Round 1 – Johner, Paul – 0-1 – Schlechter, Carl – G111 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 b5 9. Bc2 Bb7 10. d4 Re8
1907 Karlsbad – Round 1 – Johner, Paul – 1-0 – Vidmar Milan – 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. h3 b5 9. Bc2 Na5 10. d4 Nd7
1907 Karlsbad – Round 1 – Maroczy, Geza – 1-0 – Johner, Paul – G108 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 b5 9. Bc2 Bb7 10. d4 Re8
1907 Karlsbad – Round 1 – Schlechter, Carl – 0-1 – Teichmann, Richard – G110 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 b5 9. Bc2 Re8 10. d4 Bf8
1907 Vienna – Round 13 – Maroczy, Geza – 1-0 – Wolf Heinrich – G57 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 h6 9. d4 Bd7 10. Nbd2 exd4
1910 BCF Ch 7th – Round 8 – Yates, Fred Dewhirst – 1-0 – Atkins, Henry Ernest – G18 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 b5 9. Bc2 Kh8 10. d4 Qe8
1911 Karlsbad – Round 1 – Suechting, Hugo – 1-0 – Salwe, Georg – G189 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 Nd7 9. d4 Bf6 10. Be3 Ne7
1923 DSB-23.Kongress – Round 5 – Wagner, Heinrich – 1-0 – Post, Erhard – G17 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 Nd7 9. d4 Bf6 10. Be3 Re8
1924 BCF Ch 17th – Round 7 – Blake, Joseph – 1-0 – Gibson, William – G32 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 b5 9. Bc2 Re8 10. d3 Bf8
1926 BCF Ch 19th – Round 5 – Blake, Joseph – 0-1 – Yates, Fred Dewhirst – 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 Re8 9. d4 Bd7 10. Nbd2 Bf8
1942 Moscow – Round 1 – Panov, Vasily – 1-0 – Zamikhovsky, Abram – G13 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 b5 9. Bc2 h6 10. d4 exd4
1949 URS Ch, semi final – Round 1 – Abramov, Leonid – 1-0 – Alatortsev, Vladimir N. – G79 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 Nd7 9. d4 Bf6 10. Be3 Ne7
1951 Augsburg – Round 5 – Pfeiffer, Gerhard – 1/2-1/2 – Bogoljubow, Efim – G23 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 Nd7 9. d4 Bf6 10. Bc2 Re8
1953 URS-training – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Keres, Paul Petrovich – 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 Nd7 9. d4 Bf6 10. Be3 b5
1957 Przepiorka Memorial – Round 11 – Bogdanovic, Rajko – 1-0 – Szabo, Laszlo – G72 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 Nd7 9. d4 Bf6 10. Bc2 Re8
1958 Munich olm fin-A – Round 7 – Pilnik, Herman – 1/2-1/2 – Smyslov, Vasily – G68 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 Nd7 9. Bc2 Nb6 10. a4 a5
1958 Portoroz Interzonal – Round 10 – Cardoso Da Silva, Roberto – 0-1 – Szabo, Ladislav – G97 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 Nd7 9. d4 Bf6 10. Be3 b5
1960 Madrid zt – Round 4 – Attard, Wilfred – 0-1 – Neikirkh, Oleg – G34 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 Re8 9. d4 Bd7 10. Nbd2 Bf8
1961 URS Ch sf Batumi GEO – Round ? – Gipslis, Aivars – 1-0 – Arakelov, Ilya – G50 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 b5 9. Bc2 Re8 10. d4 exd4
1962 Argentina – Round 17 – Rubinetti, Jorge – 1/2-1/2 – Eliskases, Erich – G89 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 Nd7 9. d4 Bf6 10. Be3 Ne7
1962 Capablanca Memorial – Round 2 – Pietzsch, Wolfgang – 1-0 – Jimenez Zerquera, Eleazar – G20 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 Nd7 9. d4 Bf6 10. Be3 Ne7
1963 Capablanca Memorial – Round 8 – Ivkov, Borislav – 1/2-1/2 – Jimenez Zerquera, Eleazar – G76 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 Nd7 9. d4 Bf6 10. Be3 Ne7
1964 Moscow Ch – Round ? – Shamkovich, Leonid – 1-0 – Averbakh, Yuri L – G89 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 Nd7 9. d4 Bf6 10. Be3 b5
1967 Sochi – Round 2 – Shamkovich, Leonid – 1-0 – Antoshin, Vladimir S – G28 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 Nd7 9. d4 Bf6 10. Be3 b5
Eurotel Trophy 2002 – Round 3.2 – Anand, Viswanathan – 1-0 – Sokolov, Ivan. – G68 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 b5 9. Bc2 Bb7 10. d4 exd4
SuperUnited Blitz 2022 – Round 18.5 – Saric, Ivan – 1-0 – Carlsen, Magnus – G89 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 Nd7 9. d4 Bf6 10. Be3 b5

C87n — 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

Eval: [+0.40]

Les coups candidats

8…b5 — 63.2% (761 parties)

Ambassadeurs : Malewicz, Frank (8x), Schlechter, Carl (4x), Johner, Paul (4x), Panov, Dmitry (4x), Plyusnin, Aleksey Andreevich (4x), Cohn, Erich (3x), Jevtic, Miroljub (3x), Jarabinsky, Martin (3x)

8…Bd7 — 12.5% (150 parties) →

Ambassadeurs : Kholmov, Ratmir D (5x), Steiner, Lajos (2x), Teichmann, Richard (2x), Bogoljubow, Efim (2x), Zakharov, Alexander V (2x), Antoshin, Vladimir S (2x), Biyiasas, Peter (2x), Franco Valencia, Angela (2x)

8…Nd7 — 7.1% (85 parties)

Ambassadeurs : Romanishin, Oleg M (3x), Salwe, Georg (2x), Post, Erhard (2x), Ivkov, Borislav (2x), Jimenez Zerquera, Eleazar (2x), Averbakh, Yuri L (2x), Shamkovich, Leonid (2x), Balashov, Yuri (2x)

8…h6 — 6.1% (74 parties)

Ambassadeurs : Maroczy, Geza (2x), Réti, Richard (1x), Orbach Wilhelm (1x), Kaliwoda, Kurt (1x), Lokvenc, Joseph (1x), Wolf Heinrich (1x), Von Balla, Zoltan (1x), Gurnhill, Charles Reuben (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b5	8…Bd7	8…Nd7	8…h6
<1800	114	60%	12%	4%	10%
1800-2200	440	70%	9%	5%	7%
2200-2600	158	54%	17%	13%	5%
2600+	6	50%	17%	33%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b5	8…Bd7	8…Nd7	8…h6
1900s	28	39%	21%	14%	11%
1910s	6	67%	—	17%	—
1920s	11	27%	36%	9%	18%
1930s	4	—	75%	25%	—
1940s	7	43%	29%	14%	14%
1950s	14	21%	29%	50%	—
1960s	40	25%	35%	22%	2%
1970s	36	33%	31%	17%	—
1980s	27	52%	19%	7%	7%
1990s	183	68%	12%	8%	3%
2000s	386	62%	10%	5%	8%
2010s	387	75%	9%	3%	5%
2020s	75	63%	8%	7%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b5	75%	63%	▼ -12.5%
8…Bd7	9%	8%	▼ -0.5%
8…Nd7	3%	7%	▲ +3.6%
8…h6	5%	9%	▲ +3.9%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 1 partie
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

8…b5 — 63.2% (761 parties)

1906 — Cohn, Erich vs Schlechter, Carl — 1/2-1/2 — Nuerenberg GER
1907 — Schlechter, Carl vs Berger, Jacob — 1-0 — Carlsbad CZE
1907 — Maroczy, Geza vs Johner, Paul — 1-0 — Carlsbad CZE
1907 — Schlechter, Carl vs Teichmann, Richard — 0-1 — Carlsbad CZE
1907 — Johner, Paul vs Schlechter, Carl — 0-1 — Carlsbad CZE

8…Bd7 — 12.5% (150 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

8…Nd7 — 7.1% (85 parties)

1904 — Loman, Rudolf vs Gunsberg, I. — 1-0 — London ENG
1905 — Fleischmann, Leo vs Post, Evan — 1/2-1/2 — Barmen GER
1906 — Cohn, Erich vs Salwe, Georg — 1-0 — Nuerenberg GER
1907 — Przepiorka, Dawid vs Post, Erhard — 1/2-1/2 — Berlin GER
1911 — Suechting, Hugo vs Salwe, Georg — 1-0 — Carlsbad CZE

8…h6 — 6.1% (74 parties)

1906 — Von Balla, Zoltan vs Maroczy, Geza — 1/2-1/2 — Ostend
1906 — Důras, Oldřich vs Teichmann, Richard — 1-0 — Ostende
1907 — Maroczy, Geza vs Wolf Heinrich — 1-0 — Vienna AUT
1926 — Gurnhill, Charles Reuben vs Gooding, William — 1-0 — Edinburgh SCO
1928 — Réti, Richard vs Orbach Wilhelm — 1-0 — Giessen

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