A68b — Benoni: Four Pawns, 9.Bd3

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Bd3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 66 % des parties) ; a4 (13 % des parties) ; Bxb5 (Fou actif (mobilité 9) — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Re8 (Tour sur colonne semi-ouverte e — 39 % des parties) ; ...b5 (Expansion aile dame — 18 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 15 % des parties) ; ...a6 (Préparer expansion aile dame — 14 % des parties) ; ...Na6 (Développer b8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e4→d5	● d6→c5, f7→g6, h7→g6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	● d5
Centre	● d5 (2v1), ● e4 (2v1), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 7)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● e4-e5, ● f4-f5	—

Partie
1925 Wiesbaden – Round 1 – Saemisch, Friedrich – 0-1 – Euwe, Max – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 Qb6 10. Nd2 Ng4
1935 Luhacovice – Round ? – Olexa, Vilem – 0-1 – Pelikan, Jorge – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 Re8 10. O-O Nbd7
1940 Rakovnik – Round 10 – Pokorny, Amos – 0-1 – Olexa, Vilem – G56 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Bd3 exd5 9. cxd5 Qb6 10. Rb1 Re8
1947 ARG-ch26 Mayor – Round 11 – Aguirre Izaguirre, Pedro Jose – 0-1 – Alvarez Martin, Pedro – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 Qb6 10. Nd2 Re8
1947 Buenos Aires ch-ARG – Round 1 – Aguirre Ataulluco, Patrick Gian Pierre – 0-1 – Alvarez Martin, Pedro – G33 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 Qb6 10. Nd2 Re8
1949 Hastings4950 – Round 3 – Wood, Beau – 1/2-1/2 – Evans Lianda – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Bd3 e6 8. Nf3 exd5 9. cxd5 b5 10. Bxb5 Nxe4
1949 Oldenburg – Round 17 – Wood, Baruch – 0-1 – Rellstab, Ludwig – G70 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 b5 10. O-O c4
1953 Mar del Plata – Round 13 – Carvalho Da Costa, Fabiano – 1/2-1/2 – Bolbochan, J. – G135 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 a6 10. a4 Nbd7
1954 CSR Ch sf – Round 8 – Marsalek, Josef – 1-0 – Delmar, Gabriel – G29 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. f4 e6 8. Nf3 exd5 9. cxd5 Re8 10. O-O Na6
1955 Novi Sad – Round 3 – Segi, Lajos – 1-0 – Lukic, Arsenije – G40 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Bd3 exd5 9. cxd5 Re8 10. O-O c4
1956 Hastings5657 – Round 6 – Horseman, D. – 0-1 – Larsen, Benjamin Holsko – G28 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Bd3 Qb6 10. Kf1 Na6
1956 New York Rosenwald – Round ? – Shainswit, George – 0-1 – Feuerstein, Arthur – G12 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. f4 O-O 9. Nf3 Re8 10. O-O c4
1957 DDR Ch 08th – Round 14 – Bertholdt, Dieter – 1/2-1/2 – Breustedt, Werner – G87 1. d4 c5 2. d5 e6 3. c4 Nf6 4. Nc3 d6 5. e4 exd5 6. cxd5 g6 7. f4 Bg7 8. Bd3 O-O 9. Nf3 c4 10. Bxc4 b5
1957 Moskou ch-URS – Round 8 – Spassky, Boris V. – 1-0 – Aronson, Lev – G77 1. c4 Nf6 2. d4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bd3 O-O 9. Nf3 Na6 10. O-O Nc7
1957 POL Ch 15th – Round 1 – Dworzynski, Roman – 0-1 – Doda, Zbigniew – G1 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Bd3 exd5 9. cxd5 Na6 10. O-O Nc7
1957 Sao Paulo – Round 5 – Zacharias Guardia, Jose Bismarck – 0-1 – Najdorf, Miguel – G6 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Bd3 b5 10. O-O b4
1958 GBR Ch 45th – Round 9.7 – Wood, Baruch – 0-1 – Mardle, Denis – G64 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Bd3 e6 8. Nf3 exd5 9. cxd5 Re8 10. O-O a6
1958 Munich olm prel – Round 3 – Chalabi Edgard – 1/2-1/2 – Cuellar Gacharna, Miguel – G35 1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Nf6 5. Bd3 c5 6. d5 O-O 7. c4 e6 8. Nc3 exd5 9. cxd5 b5 10. Bxb5 Nxe4
1958 UKR Ch – Round 17 – Platonov, Igor V – 0-1 – Geller, Efim P – G79 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Bd3 e6 8. Nf3 exd5 9. cxd5 b5 10. e5 dxe5
1959 FRG Team Ch fin – Round 3.2 – Scheipl, Ralf – 1-0 – Bialas, Wolfram – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 Re8 10. O-O Na6
1959 Santiago – Round 5 – Abreu Sanchez, Leonel Jesus – 1-0 – De Souza Mendes, Joao – G29 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. f4 c5 6. d5 e6 7. Nf3 exd5 8. cxd5 O-O 9. Bd3 b5 10. O-O b4
1959 Skittles – Round ? – Mueller, E.H. – 0-1 – Blackstone, John – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Bd3 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8 10. O-O a6
1960 Club Ladder – Round ? – Mueller, E.H. – 1-0 – Blackstone, John – G1 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Bd3 Re8 10. O-O c4
1960 GBR Ch 47th – Round 6.15 – Wood, Baruch – 1-0 – Beaty, John Harold – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Bd3 exd5 9. cxd5 b5 10. Bxb5 Nxe4
1960 Nimzowitsch Memorial – Round ? – Golz, Werner – 0-1 – Andersen, Borge – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 Na6 10. Bxa6 bxa6
1960 Poland Ch – Round 3 – Lubienski, Tadeusz – 1-0 – Doda, Zbigniew – G10 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. f4 O-O 7. Nf3 e6 8. Bd3 exd5 9. cxd5 b5 10. O-O c4
1961 CHI Ch – Round 5 – Canobra, Juvenal – 1-0 – Jauregui, Carlos – G12 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. f4 e6 8. Nf3 exd5 9. cxd5 Re8 10. O-O c4
1961 GBR Ch 48th – Round 9.10 – Wood, Baruch – 0-1 – Bennett, Patrick – G68 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Bd3 exd5 9. cxd5 b5 10. Bxb5 Nxe4
1961 USSR – Round 1 – Dubinin, Peter – 0-1 – Arseniev, Artem – G4 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. f4 Bg7 8. Nf3 O-O 9. Bd3 a6 10. a4 Qa5
1963 Budapest ch-HUN – Round 1 – Barczay, Laszlo – 1-0 – Varnusz, Egon – G62 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Bd3 b5 10. e5 dxe5
1966 La Habana olm fin-C – Round 7 – Kerr, Brian – 0-1 – Jimenez Zerquera, Eleazar – G41 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 O-O 7. f4 e6 8. Nf3 exd5 9. cxd5 Re8 10. O-O Na6

A68b — Four Pawns (1925)

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Bd3

Les coups candidats

9…Re8 — 38.7% (527 parties)

Ambassadeurs : Blackstone, John (4x), Van der Hoeven, John F (4x), Munoz, Claudia (3x), Elwood, David (3x), Sevcak, Frantisek (2x), Fiser, Jiri (2x), Mueller, E.H. (2x), Gerard, Ferry F.J.F. (2x)

9…b5 — 18.1% (247 parties)

Ambassadeurs : Wood, Baruch (3x), Moiseev, Oleg (2x), Ang, Alphaeus Wei Ern (2x), Van der Linden, Willem (2x), Perez Gonsalves, Eduardo (1x), Rodriguez Gonzalez, Blas (1x), Camilleri, Henry (1x), Besser, Hans (1x)

9…Bg4 — 15.2% (207 parties)

Ambassadeurs : Bousios, Hristos (4x), Platonov, Igor V (2x), Schmelmer, Anni (2x), Alcaraz Soriano, Angela (2x), Schulz, Olaf (2x), Williams, Stephen M (2x), Stoliarov, Leonid (1x), Stoliarov, L eonid (1x)

9…a6 — 14.4% (196 parties)

Ambassadeurs : Gereben, Erno (2x), Hain, Christian (2x), Gulinina, Nadezhda (2x), Iwanziw, Niklas (2x), Carvalho, Luiz Candido Brant (1x), Bolbochan, Jacobo (1x), Aloni, Itzchak (1x), Yosha, Avshalom (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Re8	9…b5	9…Bg4	9…a6
<1800	116	40%	7%	18%	18%
1800-2200	767	39%	18%	14%	16%
2200-2600	171	30%	26%	24%	9%

Évolution par décennie (% des parties)

Décennie	N parties	9…Re8	9…b5	9…Bg4	9…a6
1950s	27	30%	41%	7%	4%
1960s	34	26%	41%	—	9%
1970s	40	22%	20%	8%	15%
1980s	66	47%	18%	18%	5%
1990s	266	38%	18%	16%	15%
2000s	430	42%	13%	16%	16%
2010s	407	39%	18%	15%	15%
2020s	91	34%	26%	19%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Re8	39%	34%	▼ -4.5%
9…b5	18%	26%	▲ +7.9%
9…Bg4	15%	19%	▲ +3.7%
9…a6	15%	13%	▼ -2.0%

Parties historiques

9…Re8 — 38.7% (527 parties)

1954 — Afizov, Marsel vs Delmar, Gabriel — 1-0 — Jablonec nad Nisou
1955 — Alsjo, Sigge vs Lukic, Arsenije — 1-0 — Novi Sad SRB
1957 — Shainswit, George vs Feuerstein, Arthur — 0-1 — New York, NY USA
1957 — Berthold, Andreas vs Minev, Nikolay N — 1/2-1/2 — Reykjavik ol stud tt
1958 — Wood, Baruch vs Mardle, Denis — 0-1 — Leamington

9…b5 — 18.1% (247 parties)

1952 — Moiseev, Oleg vs Alexander Tadala — 0-1 — Moscow RUS
1952 — Moiseev, Oleg vs Tolush, Alexander — 0-1 — Moskou ch-URS
1955 — Kretschmer, Marcel vs Malich, Burkhard, Dr. — 0-1 — Zittau
1956 — Sojka, Emil vs Vukovic, Sava — 1/2-1/2 — Krynica POL
1957 — Zacharias, Joseph Z vs Miguel, Nahuel — 0-1 — Sao Paulo BRA

9…Bg4 — 15.2% (207 parties)

1958 — Platonov, Igor V vs Stoliarov, Leonid — 1/2-1/2 — Kiev UKR
1958 — Platonov, Igor V vs Stoliarov, L eonid — 1/2-1/2 — ?
1974 — Bjel Norbert J vs Boyd, Stephen — 1/2-1/2 — ?
1975 — Hesse, Kurt, Dr. vs Schroeter, Wolfgang — 1-0 — Hamburg GER
1975 — Berndt, Klaus vs Pfretzschner, Roland — 1-0 — corr DDR-JFSM

9…a6 — 14.4% (196 parties)

1953 — Carvalho, Luiz Candido Brant vs Bolbochan, Jacobo — 1/2-1/2 — Mar del Plata ARG
1961 — Aloni, Itzchak vs Yosha, Avshalom — 1-0 — Tel Aviv ISR
1961 — Golz, Werner vs Malich, Burkhard, Dr. — 0-1 — Premnitz GER
1961 — Dubinin, Peter vs Arseniev, Artem — 0-1 — USSR
1970 — Gentsch vs Gereben, Erno — 0-1 — Munchenstein Birsec

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