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

Avantages : case forte e4, case forte d5, case forte g5, paire de fous.
Faiblesses adverses : arriéré c7, Be7 enfermé.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte c4, avant-poste c4(C), Bg4 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Be7 enfermé, arriéré c7.
Plans :
● ...Bg4 — Clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

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

Cases

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

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