Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, g2→h3, c3→d4	● a6→b5, d6→e5, c7→d6, g7→h6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (4v2), ● d5 (2v1)	● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb3	● Bb3 Actif (mob. 6)
Be3	● Be3 Actif (mob. 5)
Be7		● Be7 Mauvais (mob. 1)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	2 (● b1, ● 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	● …d6-d5

C93f — Spanish: Closed, Smyslov, 10.d4 Re8 11.Be3

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.h3 h6 10.d4 Re8 11.Be3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c3-c4).

Atouts. Les Blancs s'appuient sur un contrôle dominant de d5 et des fous actifs en b3 et e3.

Côté adverse. Un mauvais fou en e7.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1 et la tour a1).

Plans. Nbd2 (Développer b1 — 95 % des parties) ; dxe5 (Capture en e5, Occuper le centre — 2 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture d6-d5).

Côté adverse. Une pièce en prise (le pion en e4).

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

Plans. ...Bf8 (85 % des parties) ; ...Bb7 (Développer c8 — 13 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1963 Hoogovens – Round 13 – Ivkov, Borislav – 1-0 – Van den Berg, Cees – G107 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. h3 h6 10. d4 Re8
1963 Sarajevo – Round 8 – Ivkov, Borislav – 1/2-1/2 – Portisch, Lajos – G46 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. h3 h6 10. d4 Re8
1964 Clare Benedict Cup 11th – Round 2 – Keller, Dieter – 1-0 – Beni, Alfred – 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. h3 h6 10. d4 Re8
1965 Tbilisi – Round 1 – Bogdanovic, Rajko – 1-0 – Alatortsev, Vladimir N. – G51 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. h3 h6 10. d4 Re8
1965 Tbilisi Tbilisi GEO – Round 1 – Damjanovic, Mato – 0-1 – Alatortsev, Vladimir N. – G51 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. h3 h6 10. d4 Re8
1965 Tbilisi Tbilisi GEO – Round 1 – Gipslis, Aivars – 1/2-1/2 – Alatortsev, Vladimir N. – G49 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. h3 h6 10. d4 Re8
1965 URS-JUG – Round 2 – Stein, Leonid – 1-0 – Gligorić, Svetozar – G10 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. h3 h6 10. d4 Re8
1965 Yerevan – Round 1 – Fuchs, Reinhart – 1/2-1/2 – Matanovic, Aleksandar – 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. h3 h6 10. d4 Re8
1966 La Habana olm fin-A – Round 3 – Ciocaltea, Victor – 1-0 – Brinck-Claussen, Bjorn – G8 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. h3 h6 10. d4 Re8
1966 La Habana olm fin-A – Round 4 – Minev, Nikolay N – 1/2-1/2 – Szabo, Ladislav – G76 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. h3 h6 10. d4 Re8
1966 La Habana olm prel – Round 1 – Pietzsch, Wolfgang – 1/2-1/2 – Hort, Vlastimil – 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 O-O 9. h3 h6 10. d4 Re8
1966 Rzeszow ch POL – Round 12 – Kostro, Jerzy – 1/2-1/2 – Grabczewski, Romuald – G84 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. h3 h6 10. d4 Re8
1967 Halle zt – Round 3 – Minev, Georges – 0-1 – Portisch, Lajos – G15 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. h3 h6 10. d4 Re8
1968 Meldorf U26 – Round 6 – Mestrovic, Zvonimir – 1/2-1/2 – Perkins, Alan H – G25 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. h3 h6 10. d4 Re8
1969 Castlebar Open – Round 7 – Brinck-Claussen, Bjorn – 1/2-1/2 – Wade, Robert G – G25 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. h3 h6 10. d4 Re8
1969 JUG-URS – Round ? – Petrosian, Tigran V – 1-0 – Matanovic, Aleksandar – 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 O-O 9. h3 h6 10. d4 Re8
1969 JUG-URS – Round 1 – Spassky, Boris Vasily – 1/2-1/2 – Gligoric, Svetozar – 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. h3 h6 10. d4 Re8
1969 Palma de Mallorca – Round 6 – Parma, Bruno – 1-0 – Medina-Garcia, Antonio – G60 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. h3 h6 10. d4 Re8
1969 Palma de Mallorca – Round 8 – Spassky, Boris V. – 1-0 – Medina-Garcia, Antonio – G74 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. h3 h6 10. d4 Re8
1969 Rubinstein Memorial – Round 1 – Kostro, Jerzy – 1-0 – Radovici, Corvin – G17 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. h3 h6 10. d4 Re8
1970 Palma de Mallorca Interzonal – Round 13 – Fischer, Robert James Jamesames – 1-0 – Ivkov, Borislav – G216 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. h3 h6 10. d4 Re8
1972 San Antonio – Round 12 – Mecking, Henrique – 1/2-1/2 – Portisch, Lajos – G100 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. h3 h6 10. d4 Re8
Petropolis Interzonal 1973 – Round 5 – Savon, Vladimir Andreevichndreevich – 1/2-1/2 – Geller, Efim P – 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. h3 h6 10. d4 Re8

C93f — Closed, Smyslov (1963)

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.h3 h6 10.d4 Re8 11.Be3

Les coups candidats

11…Bf8 — 83.2% (114 parties)

Ambassadeurs : Geller, Efim P. (6x), Kostro, Jerzy (5x), Minev, Nikolay N (5x), Portisch, Lajos (4x), Tal, Mikhail (3x), Kotkov, Yuri M (3x), Spassky, Boris V. (3x), Spassky, Boris Vasily (3x)

11…Bb7 — 10.9% (15 parties)

Ambassadeurs : Gligoric, Sofija (2x), Ivkov, Borislav (2x), Flecher, Joseph (2x), Spassky, Boris Vasily (1x), Van Den Berg, John (1x), Fuchs, Reinhart (1x), Matanovic, Aleksandar (1x), Fuchs, Raimond (1x)

11…exd4 — 4.4% (6 parties)

Ambassadeurs : Lombardy, William J (1x), Lyman, Shelby (1x), Auch, Stefan (1x), Houwen, Peter J.van der (1x), Palladino, Mario (1x), Quattrocchi, Gaetano (1x), Glaser, Karel (1x), Balutescu, Mihail Goanga (1x)

11…Bd7 — 1.5% (2 parties)

Ambassadeurs : Pietzsch, Wolfgang (1x), Hort, Vlastimil (1x), Sabbatini, Giuseppe (1x), Chan, Dedrick (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…Bf8	11…Bb7	11…exd4	11…Bd7
<1800	5	100%	—	—	—
1800-2200	25	72%	20%	8%	—
2200-2600	48	90%	8%	2%	—
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11…Bf8	11…Bb7	11…exd4	11…Bd7
1960s	35	74%	20%	3%	3%
1970s	53	91%	9%	—	—
1980s	11	100%	—	—	—
1990s	6	100%	—	—	—
2000s	12	83%	—	17%	—
2010s	17	59%	18%	18%	6%
2020s	3	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…Bf8	59%	100%	▲ +41.2%
11…Bb7	18%	0%	▼ -17.6%
11…exd4	18%	0%	▼ -17.6%
11…Bd7	6%	0%	▼ -5.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Smyslov, Vladimir — 1 partie

Parties historiques

11…Bf8 — 83.2% (114 parties)

1961 — Geller, Efim P. vs Tal, Mikhail — 1/2-1/2 — Moscow USSR Team ch
1961 — Geller, Efim P. vs Tal, Mikhail — 1/2-1/2 — Moscow tt
1961 — Tal, Mikhail vs Smyslov, Vasily — 1/2-1/2 — Moscow RUS
1963 — Ivkov, Borislav vs Portisch, Lajos — 1/2-1/2 — Sarajevo BIH
1965 — Kotkov, Yuri M vs Spassky, Boris V. — 0-1 — Sochi URS

11…Bb7 — 10.9% (15 parties)

1963 — Ivkov, Borislav vs Van Den Berg, John — 1-0 — ?
1964 — Keller, Dieter vs Beni, Alfred — 1-0 — Lenzerheide
1965 — Fuchs, Reinhart vs Matanovic, Aleksandar — 1/2-1/2 — Erevan ARM
1965 — Fuchs, Raimond vs Matanovic, Anto — 1/2-1/2 — Erevan ARM
1965 — Damjanovic, Marko vs Alatortsev, Vladimir N. — 0-1 — Tbilisi Tbilisi GEO

11…exd4 — 4.4% (6 parties)

1962 — Lombardy, William J vs Lyman, Shelby — 1-0 — ?
2001 — Auch, Stefan vs Houwen, Peter J.van der — 1/2-1/2 — ICCF Email
2009 — Palladino, Mario vs Quattrocchi, Gaetano — 1/2-1/2 — ICCF
2010 — Glaser, Karel vs Balutescu, Mihail Goanga — 0-1 — ICCF
2010 — Chan, Dedrick vs Sabbatini, Giuseppe — 0-1 — ICCF

11…Bd7 — 1.5% (2 parties)

1966 — Pietzsch, Wolfgang vs Hort, Vlastimil — 1/2-1/2 — La Habana olm prel
2010 — Sabbatini, Giuseppe vs Chan, Dedrick — 1-0 — ICCF