Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● b4 (2v0), ● d5 (3v1)
Cases faibles	—	—
Centre	● e5 (2v1)	● d4 (3v2), ● d5 (3v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bc4	● Bc4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	4 (● 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

D26t — QGA: Classical, 6.O-O Nc6 7.Qe2

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O Nc6 7.Qe2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Rd1 (67 % des parties) ; a4 (10 % des parties) ; Nc3 (Développer b1 — 8 % des parties) ; dxc5 (Capture en c5, Frapper le centre adverse — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...cxd4 (Capture en d4, Occuper le centre — 55 % des parties) ; ...a6 (Préparer expansion aile dame — 38 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1912 San Sebastian – Round 17 – Rubinstein, Akiba – 1-0 – Důras, Oldřich – G40 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 a6 9. exd4 Be7 10. Nc3 O-O
1926 Bardejov – Round 7 – Kmoch, Hans – 1-0 – Walter, Max – G34 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O Nc6 8. Qe2 Qc7 9. Nc3 a6 10. a4 cxd4
1932 Leningrad Ch – Round 1 – Botvinnik, Mikhail – 1-0 – Alatortsev, Vladimir N. – G33 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O Nc6 8. Qe2 cxd4 9. Rd1 Be7 10. exd4 O-O
1933 Trebitsch Memorial 16th – Round 8 – Hoenlinger, Baldur – 1-0 – Kopetzky, Karl – G35 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Bc5 9. exd4 Be7 10. Nc3 O-O
1936 Trebitsch mem19 – Round 12 – Füster, Géza – 1/2-1/2 – Bruckner Josef – G33 1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 e6 5. Bxc4 Nf6 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 a6 9. exd4 Be7 10. Nc3 O-O
1937 Kemeri – Round ? – Reshevsky, Samuel – 1-0 – Apscheneek, Fricis – G153 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 c5 5. Bxc4 e6 6. O-O Nc6 7. Qe2 Be7 8. dxc5 O-O 9. e4 e5 10. h3 Bxc5
1937 Kemeri – Round 1 – Reshevsky, Samuel – 1-0 – Apscheneek, Fricis – G32 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 c5 5. Bxc4 e6 6. O-O Nc6 7. Qe2 Be7 8. dxc5 O-O 9. e4 e5 10. h3 Bxc5
1937 Kemeri – Round 5 – Reshevsky, Samuel – 1/2-1/2 – Berg, Terje Jensen – G120 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O Nc6 7. Qe2 Be7 8. Rd1 O-O 9. Nc3 Qc7 10. Bd2 a6
1940 Moskou ch-URS – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Levenfish, Grigory – G7 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 Nc6 7. O-O Be7 8. dxc5 Bxc5 9. Rd1 Qc7 10. a3 O-O
1957 Minsk zt – Round 2 – Boleslavsky, Isaac – 1-0 – Skuja Roberts – G11 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 Be7 8. dxc5 Bxc5 9. a3 a6 10. b4 Ba7
1964 Hoogovens Beverwijk NED – Round 1 – Filip, Marius Liviu – 1-0 – Van Scheltinga, Theo – G22 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O Nc6 8. Qe2 cxd4 9. Rd1 Be7 10. exd4 O-O
1964 IBM – Round 4 – Donner, Jan-Hein – 1/2-1/2 – Van Scheltinga, Theo – G22 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 O-O 10. Nc3 Na5
1965 Hoogovens – Round 11 – Lengyel, Laszlo – 0-1 – Van Scheltinga, Theo – G86 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 O-O 10. Nc3 Na5
1966 IBM I – Round 1 – Szabo, Ladislav – 1-0 – Van Scheltinga, Theo – G1 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 O-O 10. Nc3 Na5
1968 Lugano ol (Men) – Round 1 – Abarca Rodriguez, Keisy Dariana – 1/2-1/2 – Rocha, Antonio – G11 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 c5 5. Bxc4 Nc6 6. O-O e6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 O-O 10. Nc3 Na5
1971 Hoogovens – Round 10 – Brinck-Claussen, Bjorn – 1-0 – Van Scheltinga, Theo – G45 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 O-O 10. Nc3 Na5
22. ECU Club Cup 2006 – Round 2 – Georgiev, Kiril – 1/2-1/2 – Sprenger, Jan Michael, Dr. – G4 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. Nc3 e5 10. exd4 exd4
Amber Rapidplay 1999 – Round 6 – Topalov, Veselin – 1-0 – Nikolic, Predrag – G36 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 Qc7 8. Nc3 a6 9. Bb3 Bd6 10. dxc5 Bxc5
Amber-rapid 6th 1997 – Round 2 – Piket, Jeroen – 0-1 – Nikolic, Predrag – G7 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 Nc6 7. O-O Qc7 8. Nc3 a6 9. d5 exd5 10. Nxd5 Nxd5
Amber-rapid 6th 1997 – Round 8 – Andersson, Ulf 1949 – 1/2-1/2 – Karpov, Anatoly – G44 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 Qc7 8. Nc3 a6 9. Rd1 Be7 10. h3 O-O
FIDE-Wch k.o. 1999 – Round 3.2 – Kramnik, Vladimir – 1-0 – Korchnoi, Viktor – G99 1. Nf3 d5 2. d4 e6 3. c4 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 Na5 10. Bb5+ Bd7
Olympiad 2002 – Round 10 – Nielsen, Peter Heine – 1-0 – Sadvakasov, Darmen – G319 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 cxd4 8. Rd1 Be7 9. exd4 O-O 10. a3 a6

D26t — QGA: Classical (1912)

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O Nc6 7.Qe2

Les coups candidats

7…cxd4 — 54.8% (533 parties)

Ambassadeurs : Legky, Nikolay A (21x), Ivanov, Jordan (13x), Baron Rodriguez, Jesus (8x), Bosch van Rosenthal, Edzard (6x), Raetsky, Alexander (6x), Ruefenacht, Matthias (5x), Giertz, Niklaus (5x), Cifuentes Parada, Roberto (5x)

7…a6 — 37.8% (367 parties) →

Ambassadeurs : Berndt, Matthias (6x), Pajeken, Jakob Leon (5x), Arnold, Lothar (4x), Slingerland, Fred (4x), Zhang, Xiao (4x), Duboue, Peio (4x), Radulov, Ivan (3x), Guilleux, Fabien (3x)

7…Qc7 — 4.1% (40 parties)

Ambassadeurs : Nikolic, Predrag (2x), Bagaturov, Giorgi (2x), Grizo (1x), Weisner, Mali (1x), Donner, Jan-Hein (1x), Radulov, Ivan (1x), Yrjola, Jouni (1x), Hentunen, Asko (1x)

7…Be7 — 2.6% (25 parties)

Ambassadeurs : Boleslavsky, Isaac (1x), Skuja, Roberts (1x), Suarez Castro Aidan Fernando (1x), Lantsias, Andreas (1x), Mayerhofer, Horst (1x), Svarovsky, Miroslav (1x), Lakunza Oyarbide, Juan Carlos (1x), Diez Timofeva, Andres (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…cxd4	7…a6	7…Qc7	7…Be7
<1800	34	53%	29%	6%	6%
1800-2200	243	53%	37%	6%	3%
2200-2600	585	58%	38%	3%	2%
2600+	33	27%	58%	15%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…cxd4	7…a6	7…Qc7	7…Be7
1950s	10	10%	80%	—	10%
1960s	13	62%	23%	8%	8%
1970s	19	53%	42%	5%	—
1980s	24	38%	50%	8%	—
1990s	151	63%	25%	9%	3%
2000s	320	71%	22%	3%	3%
2010s	274	50%	43%	4%	3%
2020s	161	29%	68%	2%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…cxd4	50%	29%	▼ -21.1%
7…a6	43%	68%	▲ +24.9%
7…Qc7	4%	2%	▼ -1.8%
7…Be7	3%	1%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 5 parties
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

7…cxd4 — 54.8% (533 parties)

1951 — Eugenio, Sarah De Oliveira vs Postpischl, Domenico — 1-0 — Venice ITA
1964 — Donner, Jan-Hein vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Amsterdam NED
1964 — Filip, Miroslav vs Bosch van Rosenthal, Edzard — 1-0 — Hoogovens Beverwijk NED
1965 — Lengyel, Levente vs Bosch van Rosenthal, Edzard — 0-1 — Beverwijk NED
1966 — Szabo, Laszlo vs Bosch van Rosenthal, Edzard — 1-0 — Amsterdam NED

7…a6 — 37.8% (367 parties)

1951 — Averbakh, Yuri L vs Veltmander, Iogannes — 1/2-1/2 — Sverdlovsk
1951 — Stahlberg, Gideon vs Alexander, Conol Hugh — 1-0 — ?
1951 — Stahlberg, Gideon vs Alexander Ronald Cheng — 1-0 — Birmingham ENG
1952 — Golombek, Harry vs Abdi, Andreas — 1/2-1/2 — Belgrade SRB
1952 — Szapiel, Henryk vs Makarczyk, Kazimierz — 0-1 — Katowice POL

7…Qc7 — 4.1% (40 parties)

1965 — Grizo vs Weisner, Mali — 1-0 — cr.
1974 — Donner, Jan-Hein vs Radulov, Ivan — 1/2-1/2 — Wijk aan Zee NED
1987 — Huyck, Walter vs Krukowski, Meir — 1/2-1/2 — Deurne
1988 — Yrjola, Jouni vs Hentunen, Asko — 1-0 — Helsinki FIN
1990 — Sygulski, Boguslaw vs Arbakov, Valentin — 1/2-1/2 — Katowice POL

7…Be7 — 2.6% (25 parties)

1957 — Boleslavsky, Isaac vs Skuja, Roberts — 1-0 — Minsk BLR
1962 — Suarez Castro Aidan Fernando vs Lantsias, Andreas — 1-0 — Varna BUL
1992 — Lakunza Oyarbide, Juan Carlos vs Diez Timofeva, Andres — 1-0 — Euskadi
1993 — Fominyh, Alexander vs Golod, Vitali — 1-0 — Alushta UKR
1996 — Mayerhofer, Horst vs Svarovsky, Miroslav — 1-0 — Hrabyne

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