Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● d4	—
Arriérés	—	—
Chaînes	—	● a6→b5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● e5 (3v0), ● g5 (2v0)	● d5 (3v0)
Cases faibles	—	—
Centre	● e4 (2v1), ● e5 (3v0)	● d5 (3v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c
Semi-ouvertes	● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn e6
Non développées	3 (● b1, ● c1, ● a1)	5 (● b8, ● c8, ● 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	● d4-d5	● …e6-e5

D28g — QGA: Classical, 7.Qe2 b5 8.Bd3 cxd4 9.exd4

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bd3 cxd4 9.exd4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. a4 (60 % des parties) ; Nc3 (Développer b1 — 25 % des parties) ; Bg5 (Fou actif (mobilité 7), Développer c1 — 7 % des parties) ; Rd1 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Fou actif (mobilité 5), Développer f8 — 48 % des parties) ; ...Bb7 (Fou actif (mobilité 5), Développer c8 — 37 % des parties) ; ...Nc6 (Développer b8 — 13 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1945 Hastings4546 – Round 5 – Euwe, Max – 1-0 – Devos, Paul – G25 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 b4
1950 Moskou ch-URS – Round 1 – Geller, Efim P – 1/2-1/2 – Alatortsev, Vladimir N. – G16 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Nc6 10. Nc3 Nb4
1952 Budapest – Round 17 – Barcza, Gedeon – 0-1 – Keres, Paul – G152 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 bxa4
1952 JUG Ch – Round 5 – Bozic, Aleksandar – 1/2-1/2 – Vukovic, Sava – G33 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Nc6 10. a4 bxa4
1955 Argentina – Round 15 – Shocron, Ruben – 1-0 – Dodero, Emilio – G104 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. Bg5 Be7
1956 Leipzig ch GDR – Round 5 – Bertholdt, Dieter – 1-0 – Golz, Werner – G13 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. Nc3 Bb7
1957 Manhattan CC Ch 5657 fin – Round 7 – Shipman, Walter – 0-1 – Turner, Abe J – G20 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 b4
1957 Moskou ch-URS – Round 1 – Furman, Slavomir – 0-1 – Keres, Paul – G3 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 bxa4
1957 URS-ch24 – Round 4 – Abramovich Furman, Semyon – 0-1 – Keres, Paul – G3 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 bxa4
1958 Munich olm prel – Round 2 – Szabo, Ladislav – 1-0 – Pilnik, Herman – G14 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Nc6 10. a4 bxa4
1959 Corr Wch3 – Round 1 – Kjellander, Sven Erik Gunnar – 1/2-1/2 – Endzelins, Lucius – G3 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
1960 Leipzig olm fin-A – Round 11 – Bisguier, Arthur B – 1-0 – Golz, Werner – G192 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
1961 New York ch-USA – Round 3 – Byrne, Ray – 1/2-1/2 – Turner, Abe J – G10 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. Nbd2 Be7
1961 Palanga Baltic Ch – Round ? – Vistaneckis, Isakas – 1/2-1/2 – Maslov, Leonid P – G19 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Nc6 10. Nc3 Nb4
1962 Asztalos Memorial 5th – Round 14 – Aczel Szabo, Janos – 1-0 – Portisch, Ferenc – G103 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. O-O b5 8. Bd3 cxd4 9. exd4 Be7 10. Bg5 Bb7
1963 GDR Ch Aschersleben GER – Round 13 – Starck, Bodo – 1/2-1/2 – Golz, Werner – G67 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
1964 Kiev ch-URS – Round 1 – Borisenko, Georgy K – 1-0 – Suetin, Alexey S – G25 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
1965 Bognor Regis-A – Round 1 – Kottnauer, Cenek – 1-0 – Andric, Dragoslav – G3 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
1966 Beverwijk – Round 7 – Donner, Jan-Hein – 1/2-1/2 – Van den Berg, John – G10 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 bxa4
1966 Hoogovens – Round 7 – Donner, H. – 1/2-1/2 – Van den Berg, Cees – G33 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Bb7 10. a4 bxa4
1966 Santa Monica – Round 4 – Reshevsky, Samuel – 1/2-1/2 – Portisch, Lajos – G19 1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 e6 5. Bxc4 Nf6 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
1967 DDR Ch 16th – Round 7 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Golz, Werner – G34 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. a4 bxa4
Belgrade Invest 1995 – Round 1 – Lautier, Joel – 1/2-1/2 – Ivanchuk, Vasyl – G1 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 e6 5. Bxc4 c5 6. Qe2 b5 7. Bd3 cxd4 8. exd4 Nf6 9. O-O Be7 10. Bg5 Bb7
Eurotel Trophy 2002 – Round 2.1 – Jussupow, Artur – 0-1 – Shirov, Alexei – G45 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. Nc3 O-O
Masters 2000 – Round 10 – Jussupow, Artur – 1/2-1/2 – Rublevsky, Sergei – G35 1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 c5 5. Nf3 a6 6. O-O Nf6 7. Qe2 b5 8. Bd3 cxd4 9. exd4 Be7 10. Bg5 Bb7

D28g — QGA: Classical (1945)

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bd3 cxd4 9.exd4

Les coups candidats

9…Be7 — 60.7% (221 parties)

Ambassadeurs : Neverov, Valeriy (7x), Rublevsky, Sergei (6x), Golz, Werner (4x), Borisenko, Georgy K (3x), Portisch, Lajos (3x), Laghetti, Gaetano (3x), Korchnoi, Viktor (2x), Ulybin, Mikhail (2x)

9…Bb7 — 24.2% (88 parties)

Ambassadeurs : Keres, Paul (4x), Turner, Abe J (3x), Rashkovsky, Nukhim N (3x), Szily, Jozsef (2x), Baumgartner, Walter (2x), Del Gobbo, Michel (2x), ? (2x), Byrne, Robert E (1x)

9…Nc6 — 14.6% (53 parties)

Ambassadeurs : Kupreichik, Viktor D (3x), Garcia Palermo, Carlos Horacio (2x), Rashkovsky, Nukhim N (2x), Bekker-Jensen, David (2x), Geller, Efim P. (1x), Alatortsev, Vladimir N. (1x), Vistaneckis, Isakas (1x), Maltsev, Leonid (1x)

9…Nbd7 — 0.5% (2 parties)

Ambassadeurs : Menas, Borel (1x), Dahl, Peter (1x), Marinelli, Tullio (1x), Lantini, Marco (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Be7	9…Bb7	9…Nc6	9…Nbd7
<1800	11	45%	36%	18%	—
1800-2200	80	61%	28%	11%	—
2200-2600	199	63%	20%	16%	1%
2600+	7	86%	—	14%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Be7	9…Bb7	9…Nc6	9…Nbd7
1950s	13	15%	62%	23%	—
1960s	18	78%	17%	6%	—
1970s	5	40%	20%	20%	20%
1980s	45	47%	38%	16%	—
1990s	81	62%	16%	21%	1%
2000s	94	67%	16%	17%	—
2010s	93	66%	28%	6%	—
2020s	15	53%	33%	13%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Be7	66%	53%	▼ -12.3%
9…Bb7	28%	33%	▲ +5.4%
9…Nc6	6%	13%	▲ +6.9%
9…Nbd7	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties

Parties historiques

9…Be7 — 60.7% (221 parties)

1956 — Bertholdt, Dieter vs Golz, Werner — 1-0 — Leipzig ch GDR
1959 — Kjellander, Sven Erik Gunnar vs Endzelins, Lucius — 1/2-1/2 — ?
1960 — Grechkin, Dmitry M vs Borisenko, Georgy K — 1/2-1/2 — USSR ch-05 6063
1960 — Bisguier, Arthur B vs Golz, Werner — 1-0 — Leipzig GER
1961 — Korchnoi, Viktor vs Borisenko, Georgy K — 1-0 — Moskou

9…Bb7 — 24.2% (88 parties)

1952 — Anay Barche vs Keres, Paul — 0-1 — Budapest HUN
1955 — Shocron, Ruben vs Dodero, Emilio — 1-0 — Buenos Aires ARG
1957 — Furman, Slavomir vs Keres, Paul — 0-1 — Moskou ch-URS
1957 — Abramovich Furman, Semyon vs Keres, Paul — 0-1 — Moscow RUS
1957 — Furman, Semyon vs Keres, Paul — 0-1 — Moscow RUS

9…Nc6 — 14.6% (53 parties)

1950 — Geller, Efim P. vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS
1952 — Bozic, Aleksandar vs Vukovic, Sava — 1/2-1/2 — Belgrade SRB
1958 — Szabo, Laszlo vs Pilnik, Herman — 1-0 — Munich GER
1961 — Vistaneckis, Isakas vs Maltsev, Leonid — 1/2-1/2 — Palanga
1978 — Hanko, Pavel vs Schrancz, Istvan — 0-1 — Prievidza SVK

9…Nbd7 — 0.5% (2 parties)

1970 — Menas, Borel vs Dahl, Peter — 0-1 — No. California
1990 — Marinelli, Tullio vs Lantini, Marco — 1-0 — San Benedetto