Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0)	● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (3v0)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 4)
Bd7		● Bd7 Mauvais (mob. 1)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	4 (● g8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● e4-e5	● …d6-d5, ● …f7-f5

B47k — Sicilian: Taimanov, 6.g3 a6 7.Bg2 d6 8.O-O Bd7 9.Re1

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 d6 8.O-O Bd7 9.Re1 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nxc6 (Capture en c6 — 72 % des parties) ; a4 (10 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Fou actif (mobilité 5), Développer f8 — 91 % des parties) ; ...Nf6 (Développer g8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1954 Riga (URS Team Ch) - Round 8 - Bastrikov, Georgy - 0-1 - Terpugov, Evgeny - G145 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 d6 6. g3 Bd7 7. Bg2 Nc6 8. O-O Qc7 9. Re1 Nxd4 10. Qxd4 Ne7
1967 Rubinstein Memorial – Round 10 – Kostro, Jerzy – 0-1 – Doda, Zbigniew – G32 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nc6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 bxc6
1968 Correspondance (Corr) - Round ? - Neishtadt, Yakov - 1-0 - Kostro, Jerzy - G42 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 bxc6
1968 Rubinstein Memorial – Round ? – Bilek, Istvan – 0-1 – Doda, Zbigniew – G78 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 bxc6
1971 Hoogovens – Round 12 – Kostro, Jerzy – 1/2-1/2 – Van Scheltinga, Theo – G133 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nc6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 bxc6
Bosna SuperGM 2000 – Round 4 – Adams, Michael – 1/2-1/2 – Movsesian, Sergei – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 Bxc6
Milaan 1975 – Round 5 – Tal, Mikhail – 1-0 – Andersson, Ulf 1949 – G19 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 Bxc6
World Blitz 2006 – Round 2 – Sutovsky, Emil – 0-1 – Polgar, Judit – G10 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Re1 Nf6 10. Nxc6 bxc6
World Cup 1989 – Round 1 – Nunn, John D M – 1/2-1/2 – Van der Wiel, John T.H. – G47 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Nxc6 Bxc6

B47k — Taimanov (1954)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 d6 8.O-O Bd7 9.Re1

Les coups candidats

9…Be7 — 91.0% (640 parties)

Ambassadeurs : Kaenel, Hansjuerg (10x), Marjanovic, Slavoljub (9x), Timofeev, Artyom (6x), Jansa, Vlastimil (6x), Nunn, John D M (5x), Gasic, Bozidar (5x), Jovanic, Ognjen (5x), Klundt, Klaus (5x)

9…Nf6 — 6.3% (44 parties)

Ambassadeurs : Hug, Werner (2x), Jurkovic, Hrvoje (2x), Szymczak, Zbigniew (1x), Bretsnajdr, Vladimir (1x), Klundt, Klaus (1x), Somogyi, Istvan (1x), Hansson, Dan (1x), Ljungdahl, John (1x)

9…Nxd4 — 2.3% (16 parties)

Ambassadeurs : Bastrikov, Georgy (1x), Terpugov, Evgeny (1x), Jawiya Rodgers (1x), Davies, G Brian (1x), Dely, Peter (1x), Kurajica, Bojan (1x), Ostergaard, Dan (1x), Bellon Lopez, Juan Manuel (1x)

9…b5 — 0.3% (2 parties)

Ambassadeurs : Farkas, Gyula (1x), Bardossi, Jeno (1x), Severiukhina, Zoja (1x), Shlakich, Anna (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Be7	9…Nf6	9…Nxd4	9…b5
<1800	9	89%	11%	—	—
1800-2200	126	89%	9%	2%	—
2200-2600	513	92%	5%	2%	0%
2600+	17	88%	12%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Be7	9…Nf6	9…Nxd4	9…b5
1950s	2	50%	—	50%	—
1960s	5	100%	—	—	—
1970s	66	88%	9%	3%	—
1980s	54	93%	7%	—	—
1990s	91	91%	7%	2%	—
2000s	191	92%	6%	1%	1%
2010s	244	90%	6%	4%	—
2020s	50	96%	2%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Be7	90%	96%	▲ +5.8%
9…Nf6	6%	2%	▼ -4.1%
9…Nxd4	4%	2%	▼ -1.7%
9…b5	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties

Parties historiques

9…Be7 — 91.0% (640 parties)

1955 — Elbekov, U. vs Gusev, Nikolay N — 1-0 — Stalinabad
1967 — Kostro, Jerzy vs Doda, Zbigniew — 0-1 — Polanica Zdroj POL
1968 — Bak, Istvan vs Doda, Zbigniew — 0-1 — Polanica Zdroj POL
1968 — Neishtadt, Yakov vs Kostro, Jerzy — 1-0 — ?
1968 — Levy, Louis vs Martz, William — 1-0 — USA op Aspen

9…Nf6 — 6.3% (44 parties)

1971 — Barle, Janez vs Hug, Werner — 0-1 — Athens GRE
1971 — Pinal Borges, Nelson vs Hug, Werner — 1/2-1/2 — Athens Wch jr
1973 — Hansson, Dan vs Ljungdahl, John — 0-1 — SWE-ch Bollnas
1977 — Grinberg, Nir vs Fries-Nielsen, Jens Ove — 1/2-1/2 — Innsbruck AUT
1977 — Chandler, Cliff R vs Neat, Ken P — 1/2-1/2 — Brighton ch-BCF

9…Nxd4 — 2.3% (16 parties)

1954 — Bastrikov, Georgy vs Terpugov, Evgeny — 0-1 — Riga LAT
1970 — Dely, Peter vs Kurajica, Bojan — 1/2-1/2 — Kapfenberg etc
1974 — Jawiya Rodgers vs Davies, G Brian — 1/2-1/2 — British CCC
1992 — Muhutdinov, Marat vs Barlov, Dragan — 1-0 — Cetinje
1993 — Ostergaard, Dan vs Bellon Lopez, Juan Manuel — 0-1 — Stockholm SWE

9…b5 — 0.3% (2 parties)

2000 — Farkas, Gyula vs Bardossi, Jeno — 1-0 — HUN
2008 — Severiukhina, Zoja vs Shlakich, Anna — 1/2-1/2 — St Petersburg RUS