Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c6
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0)	● g4 (2v1), ● d5 (3v1)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bh5		● Bh5 Actif (mob. 4)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● b8, ● f8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● d4-d5	● …c6-c5

D16p — Slav: Bronstein, 6.Ne5 Bh5 7.g3

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4 6.Ne5 Bh5 7.g3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bg2 (Fianchetto, fou sur la grande diagonale — 86 % des parties) ; Nxc4 (Cavalier actif en c4 — 12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e6 (Poussée — 86 % des parties) ; ...Nbd7 (Développer b8 — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1937 Trebitsch mem3738 – Round 5 – Rubinstein, Simon – 1/2-1/2 – Steiner, Lajos – G17 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. O-O O-O 10. Bg5 h6
1937 Trebitsch mem3738 – Round 9 – Podhorzer, David – 0-1 – Steiner, Lajos – G33 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. O-O O-O 10. Bg5 h6
1938 Lodz – Round 1 – Frydman, Paulino – 1-0 – Najdorf, Miguel – G26 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 Na6 8. Bg2 Nb4 9. a5 a6 10. O-O Bg6
1948 Saltsjobaden Interzonal – Round 3 – Najdorf, Miguel – 1-0 – Steiner, Lajos – G21 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. O-O O-O 10. Nxc4 a5
1951 Mar del Plata zt – Round 1 – Bolbochan, J. – 1-0 – Dantas, Neimar de Oliveira – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 Nbd7 8. Nxc4 e6 9. Bg2 Be7 10. O-O O-O
1958 Portoroz Interzonal – Round 18 – Averbakh, Yuri L – 0-1 – Szabo, Laszlo – G165 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. O-O O-O 10. Nxc4 a5
1959 Tbilisi ch-URS – Round 2 – Taimanov, Mark E – 1/2-1/2 – Petrosian, Tigran A. – G12 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. Nxc4 O-O 10. a5 Nd5
1960 Sarajevo – Round 1 – Udovcic, Mijo – 1/2-1/2 – Puc, Stojan – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Be7 9. O-O O-O 10. a5 Na6
1965 Mar del Plata – Round 1 – Najdorf, Miguel – 1-0 – Behrensen, Joern – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Be7 9. O-O Nbd7 10. Nxc4 O-O
1965 Mar del Plata – Round 9 – Najdorf, Miguel – 1-0 – Behrensen, Jorge – G67 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Be7 9. O-O Nbd7 10. Nxc4 O-O
1967 URS Team Ch – Round 1 – Furman, Slavomir – 1-0 – Zakharian, Vanik – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Be7 9. Nxc4 Na6 10. O-O Nb4
1967 URS Team Ch – Round 1 – Krogius, Nikolai V – 1-0 – Zakharian, Vanik – G10 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Be7 9. O-O a5 10. Nxc4 Na6
1974 Manila – Round 15 – Gligoric, Svetozar – 1/2-1/2 – Vasiukov, Evgeni – G26 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 a5 8. Bg2 e6 9. O-O Be7 10. Nxc4 Na6
1975 URS Team Ch – Round 2 – Mikhalchishin, Adrian – 1-0 – Nikitin, Aleksander S – G58 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 a5 8. Bg2 e6 9. Nxc4 Be7 10. O-O O-O
Manila Interzonal 1990 – Round 6 – Shirov, Alexei – 1/2-1/2 – Nikolic, Predrag – G95 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. O-O Nd5 10. Qc2 O-O
Moscow 1975 – Round 1 – Spassky, Boris V. – 1-0 – Planinec, Albin – G13 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Nbd7 9. Nxc4 Bb4 10. O-O O-O
OHRA 1984 – Round 1 – Van der Sterren, Paul – 1/2-1/2 – Timman, Jan H – G1 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c6 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. O-O O-O 10. Nxc4 Nd5
Petropolis Interzonal 1973 – Round 4 – Keres, Paul – 1/2-1/2 – Bronstein, David Ionovich – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 a5 8. Bg2 e6 9. Nxc4 Na6 10. O-O Be7
Yerevan ol (Men) 1996 – Round 12 – Leitao, Rafael – 0-1 – Beliavsky, Alexander G – G172 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. Nxc4 Nd5 10. Qb3 O-O

D16p — Bronstein (1937)

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4 6.Ne5 Bh5 7.g3

Les coups candidats

7…e6 — 86.3% (441 parties)

Ambassadeurs : Babula, Vlastimil (4x), Oll, Lembit (4x), Pomes Marcet, Joan (4x), Franke, Heribert (3x), Dimitrov, Vladimir (3x), Schurade, Matthias (3x), Ulybin, Mikhail (3x), Sapis, Witalis (3x)

7…Nbd7 — 6.8% (35 parties)

Ambassadeurs : Bolbochan, Julio (2x), Korchnoi, Viktor (2x), Taimanov, Mark (2x), Sosonko, Gennadi (1x), Yakshevic (1x), Dantas, Alexander Ro (1x), Dantas, Neimar de Oliveira (1x), Block, Helmut (1x)

7…Na6 — 3.1% (16 parties)

Ambassadeurs : Filipovich, David (2x), Zugic, Igor (1x), Hahn, Peter (1x), Forchert, Niko (1x), Wang, Rui (1x), Tuvsanaa, Nyamaa (1x), Budde, Vladimir (1x), Bergmans, Norbert (1x)

7…a5 — 2.7% (14 parties)

Ambassadeurs : Spassov, Liuben (2x), Kristensen, Bjarke Hautop (2x), Bronstein, David I (2x), Popov, Luben (1x), Nemet, Ivan (1x), Kovacevic, Vladimir (1x), Dobosz, Henryk (1x), Gligoric, Sofija (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…e6	7…Nbd7	7…Na6	7…a5
<1800	14	86%	14%	—	—
1800-2200	123	85%	8%	3%	2%
2200-2600	279	87%	4%	4%	4%
2600+	11	64%	18%	18%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…e6	7…Nbd7	7…Na6	7…a5
1950s	5	60%	40%	—	—
1960s	7	86%	14%	—	—
1970s	32	72%	9%	—	19%
1980s	91	92%	4%	—	3%
1990s	206	91%	5%	3%	0%
2000s	104	84%	7%	5%	3%
2010s	61	74%	13%	8%	2%
2020s	5	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…e6	74%	100%	▲ +26.2%
7…Nbd7	13%	0%	▼ -13.1%
7…Na6	8%	0%	▼ -8.2%
7…a5	2%	0%	▼ -1.6%

Parties historiques

7…e6 — 86.3% (441 parties)

1958 — Averbakh, Yuri L vs Szabo, Laszlo — 0-1 — Portoroz SLO
1959 — Averbakh, Yuri L vs Tatevosian, E. — 1-0 — Erevan ARM
1959 — Taimanov, Mark vs Petrosian, Tigran V. — 1/2-1/2 — Tbilisi ch-URS
1960 — Udovcic, Mijo vs Puc, Stojan — 1/2-1/2 — Sarajevo BIH
1960 — Basta, Emanuel A vs Hanks, John — 1/2-1/2 — Adelaide AUS

7…Nbd7 — 6.8% (35 parties)

1951 — Bolbochan, Julio vs Dantas, Alexander Ro — 1-0 — Mar del Plata zt Mar
1951 — Bolbochan, Julio vs Dantas, Neimar de Oliveira — 1-0 — Mar del Plata ARG
1966 — Sosonko, Gennadi vs Yakshevic — 1-0 — Leningrad RUS
1972 — Korchnoi, Viktor vs Taimanov, Mark — 1-0 — Moscow RUS
1972 — Korchnoi, Viktor vs Taimanov, Mark — 1-0 — Moscow RUS

7…Na6 — 3.1% (16 parties)

1993 — Hahn, Peter vs Forchert, Niko — 1/2-1/2 — GER
1993 — Budde, Vladimir vs Bergmans, Norbert — 1-0 — Eupen op
1995 — Beck, Hartmuth vs Tabernig, Bernhard — 1/2-1/2 — Austria
1996 — Yermolinsky, Alex vs Filipovich, David — 1-0 — Chicago, IL USA
1999 — Zugic, Igor vs Filipovich, David — 1/2-1/2 — Financial Concept Open 6th

7…a5 — 2.7% (14 parties)

1973 — Timman, Jan H vs Bronstein, David I — 0-1 — Tallinn EST
1973 — Keres, Paul Petrovich vs Bronstein, David I — 1/2-1/2 — Petropolis izt
1974 — Gligoric, Sofija vs Vasiukov, Evgeni — 1/2-1/2 — Manila PHI
1975 — Spassov, Liuben vs Popov, Luben — 1-0 — BUL-ch
1975 — Mikhalchishin, Adrian vs Nikitin, Yuri — 1-0 — Riga LAT

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