C91f — Spanish: Closed, Bogoljubow, 10.d5 Na5

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4 10.d5 Na5 11.Bc2 * ● 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 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 c4, un avant-poste en c4, un fou actif en g4 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

Plans. ...Bg4 (Clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, e4→d5	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● c4 (2v0)
Cases faibles	—	● d5
Centre	● d4 (3v1), ● d5 (2v1), ● e4 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc2	● Bc2 Ok (mob. 3)
Bg4		● Bg4 Actif (mob. 7)
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	● …c7-c6, ● …c7-c5

Partie
1908 Vienna – Round 1 – Suechting, Hugo – 0-1 – Důras, Oldřich – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Bg4 9. d4 O-O 10. d5 Na5
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
1911 Carlsbad – Round 1 – Spielmann, Rudolf – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
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
1923 Scheveningen – Round 8 – Johner, Paul – 1/2-1/2 – Straat, Evert – G79 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1929 Barcelona Barcelona ESP – Round 7 – Yates, Frederic D – 1-0 – Ayllon Soler, Pablo – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 b5 7. Bb3 Be7 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1929 Paris – Round 1 – Cukierman, Josef – 1-0 – Thomas, George Alan – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1929 Paris – Round 1 – Cukiermann, J – 1-0 – Thomas, George Alan – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1939 Margate – Round 3 – Bellod Thomas, Gonzalo – 0-1 – Keres, Paul – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 b5 7. Bb3 Be7 8. c3 O-O 9. d4 Bg4 10. d5 Na5
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
1946 Barcelona – Round 3 – Arenas Albareda, Marc – 1/2-1/2 – Medina-Garcia, Antonio – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. d5 Na5
1946 London-A – Round 7 – List, Paul – 1/2-1/2 – Steiner, Heinrich Jun. – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1946 Moscow RUS – Round 1 – Panov, Vasily – 1-0 – Estrin, Yakov – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O b5 6. Bb3 Nf6 7. c3 Be7 8. d4 Bg4 9. Re1 O-O 10. d5 Na5
1947 AUS Ch – Round 11.1 – Wilson Derek Finlay – 0-1 – Steiner, Lajos – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1947 Budapest HUN – Round ? – Ban, Jeno – 1-0 – Balogh, Janos – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1947 JUG Ch – Round 3 – Vukovic, Sava – 0-1 – Tomovic, Vasilje – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1949 Santa Fe – Round 2 – Rivarola, Juan M – 0-1 – Sanguinetti, Renato – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1952 Helsinki olm – Round 1 – Primavera, Giuseppe – 1/2-1/2 – Kramer, Hanspeter – G170 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1953 POL-ch11 – Round 17 – Dworzynski, Roman – 1-0 – Szymanski, Aleksander – G113 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1960 BUL-ch14 – Round 7 – Karastoichev, Emil – 1/2-1/2 – Dimitrov, Ilija – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5
1960 Leipzig olm fin-C – Round 3 – Angos, Alexander – 1-0 – Casa, Alex – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1965 Hamburg etc – Round 5 – Boleslavsky, Isaac – 1-0 – Hartoch, Robert G – G94 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. d5 Na5
1965 Harrachov U26 – Round 7 – Novak, Ervin – 1-0 – Ferenc, Peter – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1965 SWE Ch – Round 5 – Jansson, Borje – 1-0 – Fridh, Anton – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1966 La Habana olm prel – Round 4 – Kinnmark, Ove – 1-0 – Canchomoni Olivera, Josue Gabriel – G161 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1966 WchTJ U26 prel – Round 3 – Schoeneberg, Manfred – 1-0 – Alvarez Mesa, Angel – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1967 Harrachov – Round 1 – Gheorghiu, Florin – 1-0 – Garcia Martinez, Silvino – G102 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5
1969 Venice – Round 7 – Unzicker, Wolfgang – 1/2-1/2 – Ivkov, Borislav – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. d5 Na5

C91f — Closed Bogoljubow

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4 10.d5 Na5 11.Bc2

Eval: [+0.06]

Les coups candidats

11…c6 — 64.0% (2227 parties) →

Ambassadeurs : Kamsky, Gata (19x), De Coverly, Roger D (18x), Nijboer, Friso (17x), Hebden, Mark L (17x), Negi, Parimarjan (14x), Vasiukov, Evgeni (12x), Vogt, Lothar (11x), Tringov, Georgi P (10x)

11…Qc8 — 16.8% (585 parties) →

Ambassadeurs : Hebden, Mark L (10x), Khalifman, Alexander (9x), Harshini A (8x), Romanishin, Oleg M (7x), Roy Chowdhury, Saptarshi (7x), Smagin, Sergey (6x), Beliavsky, Alexander G (6x), Movsesian, Sergei (6x)

11…c5 — 10.3% (359 parties)

Ambassadeurs : Ivkov, Borislav (9x), De Coverly, Roger D (9x), Balashov, Yuri (4x), Marholev, Dimitar (4x), Iuldachev, Saidali (4x), Thomas, George Alan (2x), Karastoichev, Emil (2x), Kinnmark, Ove (2x)

11…Nc4 — 3.3% (116 parties)

Ambassadeurs : Guennigmann, Manuel (3x), Paglilla, Carlos (2x), Salem, Ihab (2x), Hingst, Silke (2x), Kaptsan, Aron (2x), Miles, EJ. (1x), Severne E (1x), Asfora, Eduardo Hasbum (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…c6	11…Qc8	11…c5	11…Nc4
<1800	72	33%	14%	26%	11%
1800-2200	744	56%	14%	15%	6%
2200-2600	1756	70%	21%	6%	1%
2600+	114	65%	35%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11…c6	11…Qc8	11…c5	11…Nc4
1900s	1	—	—	—	—
1910s	2	—	—	—	50%
1920s	12	50%	—	42%	—
1930s	7	29%	—	14%	—
1940s	38	61%	—	24%	—
1950s	46	80%	—	11%	4%
1960s	103	83%	—	11%	2%
1970s	224	78%	4%	12%	3%
1980s	340	68%	16%	9%	2%
1990s	587	65%	15%	11%	3%
2000s	945	59%	21%	11%	4%
2010s	1034	62%	19%	9%	4%
2020s	139	60%	26%	6%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…c6	62%	60%	▼ -2.4%
11…Qc8	19%	26%	▲ +6.7%
11…c5	9%	6%	▼ -3.6%
11…Nc4	4%	1%	▼ -2.9%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 6 parties
Alekhine, Alexander — 4 parties
Tal, Mikhail — 3 parties
Karpov, Anatoly — 3 parties
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

11…c6 — 64.0% (2227 parties)

1922 — Yates, Frederic D vs Rubinstein, Akiba — 0-1 — Hastings ENG
1925 — Yates, Frederic D vs Rubinstein, Akiba — 0-1 — Baden-Baden GER
1928 — Ilyin Zhenevsky, Alexander vs Rabinovich, Ilya Mar — 0-1 — Leningrad RUS
1928 — Steiner, Endre vs Becker, Albert — 1/2-1/2 — Wenen Trebitsch
1928 — Steiner, Andreas vs Becker, Albert — 1/2-1/2 — XII.Trebitsch /02/

11…Qc8 — 16.8% (585 parties)

1970 — Gindev vs Antonov, Vladimir — 0-1 — Varna BUL
1979 — Kurajica, Bojan vs Gligoric, Svetozar — 1/2-1/2 — Donji Milanovac
1979 — Sax, Gyula vs Nei, Iivo — 1-0 — Tallinn EST
1979 — ? vs Zatulovskaya, Tatiana — 1/2-1/2 — URS
1979 — Wedberg, Tom vs Westerinen, Heikki M.J. — 0-1 — Malmo SWE

11…c5 — 10.3% (359 parties)

1923 — Johner, Paul vs Straat, Evert — 1/2-1/2 — Scheveningen NED
1924 — Olland, Adolf George vs Van den Bosch, Johannes — 1-0 — Utrecht m
1929 — Yates, Frederic D vs Ayllon Soler, Pablo — 1-0 — Barcelona Barcelona ESP
1929 — Cukierman, Josef vs Thomas, George Alan — 1-0 — Paris FRA
1929 — Cukiermann, J vs Thomas, George Alan — 1-0 — Paris FRA

11…Nc4 — 3.3% (116 parties)

1914 — Miles, EJ. vs Severne E — 1/2-1/2 — Auckland NZL
1955 — Solecki, Zbigniew vs Gniot, Tadeusz — 1/2-1/2 — Wroclaw POL
1956 — Jursevskis Miervaldis vs Lien, Eugene — 1/2-1/2 — ?
1962 — Asfora, Eduardo Hasbum vs Hollmann, Jose — 1-0 — ?
1967 — Vilerte, Benita vs Avakian, Lena — 1/2-1/2 — Moscow RUS

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