Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● c8, ● 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	fermé
Ruptures	—	● …e6-e5

D35a — QGD: Catalan without Nf3

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.g3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bg2 (Fianchetto, fou sur la grande diagonale — 58 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 16 % des parties) ; Nf3 (Développer g1 — 11 % des parties) ; Qa4+ (Contrôle diagonale a4-e8, Prépare O-O-O — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Fou actif (mobilité 5), Développer f8 — 33 % des parties) ; ...c6 (Renforcer le centre — 21 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 16 % des parties) ; ...c5 (Frapper le centre adverse — 11 % des parties) ; ...Bb4 (Clouer c3, Fou actif (mobilité 7), Développer f8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1937 Semmering/Baden – Round 9 – Keres, Paul – 1-0 – Ragozin, Viacheslav – G32 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. g3 dxc4 5. Qa4+ Nc6 6. Bg2 Bd7 7. Qxc4 Nb4 8. Qb3 c5 9. Nf3 Bc6 10. O-O cxd4
1939 Kemeri / Riga – Round 1 – Apscheneek, Fricis – 0-1 – Petrov, Vladimir S. – G13 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Nbd7 6. Qa4 a6 7. Nf3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1945 USSR ch sf – Round 13 – Poliak, Abram – 1/2-1/2 – Kan, Ilya A – G20 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. g3 Nbd7 5. Bg2 dxc4 6. Qa4 a6 7. Nf3 Be7 8. Qxc4 b5 9. Qd3 Bb7 10. O-O O-O
1946 Buenos Aires ch-ARG – Round 21 – Cruz Garibaldi, Milton Esteban – 1/2-1/2 – Alvarez Martin, Pedro – G80 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. Nf3 Nbd7 7. b3 b6 8. O-O Bb7 9. Qc2 dxc4 10. bxc4 c5
1946 Moscow Ch – Round 1 – Ravinsky, Grigory – 0-1 – Panov, Vasily – G6 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. g3 c5 5. cxd5 cxd4 6. Qxd4 Nc6 7. Qd1 exd5 8. Bg2 d4 9. Ne4 Nxe4 10. Bxe4 Bf5
1947 Buenos Aires ch-ARG – Round 1 – Cruz Garibaldi, Milton Esteban – 0-1 – Sanguinetti, Renato – G19 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c6 5. Bg2 Nbd7 6. Nf3 Ne4 7. Qc2 f5 8. Bf4 Be7 9. O-O O-O 10. cxd5 exd5
1948 New York – Round 1 – Fine, Richard Alvaro Adrien – 1-0 – Euwe, Max – G3 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qd3 Rb8 9. a4 b4 10. Nb1 Be7
1951 Mar del Plata zt – Round 15 – Rossetto, Hector – 1/2-1/2 – Luckis, Marcos – G143 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c6 5. Bg2 Nbd7 6. cxd5 exd5 7. Nh3 Be7 8. O-O O-O 9. Nf4 Re8 10. Nd3 Nf8
1955 Aberystwyth ch-BCF – Round 1 – Golombek, Harry – 0-1 – Wade, Robert G – G1 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Qd7 6. Qxc4 Qc6 7. e4 Bd7 8. Qe2 Bb4 9. Bd2 Bxc3 10. Bxc3 Qxe4
1955 Hoechst ch-GER – Round 1 – Mross, Paul – 1/2-1/2 – Wolk, Sigmund – G10 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nf3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. Bg5 h6
1956 URS Ch sf – Round ? – Bannik, Anatolij – 1-0 – Klavins, Janis – G17 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Bb4 5. Nf3 dxc4 6. Bg2 O-O 7. O-O c6 8. Ne5 Nd5 9. Qc2 b5 10. a4 a6
1960 Corr Golden Knights – Round ? – Harper, Jim – 1-0 – Zalys, Ignas – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nc3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qd3 Ra7 9. a4 b4 10. Nb1 c5
1960 Leipzig olm prel – Round 6 – Garcia Soler, Juan – 1/2-1/2 – Noradounghian, Georges – G24 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. e3 dxc4 6. Bxc4 Be7 7. Nf3 O-O 8. Bf1 Nc6 9. Bg2 cxd4 10. exd4 Nb4
1960 Olympiad prel III – Round 9 – Nilsson, Zandor – 0-1 – Lengyel, Levente – G62 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. cxd5 Nxd5 6. dxc5 Nxc3 7. Qxd8+ Kxd8 8. bxc3 Bd7 9. Bg2 Bc6 10. Nf3 Bxc5
1960 Sao Paulo zt – Round 1 – Schweber, Samuel – 1/2-1/2 – Recalde, Eleuterio – G1 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. cxd5 Nxd5 6. Bg2 Nb6 7. e3 cxd4 8. exd4 Nc6 9. Nge2 Be7 10. O-O O-O
1962 Capablanca Memorial – Round 18 – Haro Garcia, Gilberto – 0-1 – Spassky, Boris V. – G178 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. cxd5 cxd4 6. Qxd4 Nc6 7. Qd1 exd5 8. Bg2 Be6 9. e3 Qd7 10. Nge2 Bh3
1962 It IIb – Round 6 – De Rooi, Paul – 0-1 – Kramer, Haije – G12 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. cxd5 exd5 7. Nf3 c6 8. O-O Bf5 9. Nh4 Bg4 10. Qd3 Qc8
1962 Varna olm – Round 1 – Acosta Garcia, Rafael Isaac – 0-1 – Spassky, B. – G13 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. cxd5 cxd4 6. Qxd4 Nc6 7. Qd1 exd5 8. Bg2 Be6 9. e4 Qd7 10. Nge2 Bh3
1963 P.C.C. A-P-A A6 – Round ? – Collins, Richard Arnold – 1-0 – Lavelli, Paul – G4 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. g3 c6 5. Bg2 Be7 6. Nf3 O-O 7. Ne5 Nbd7 8. f4 Nxe5 9. fxe5 Nd7 10. O-O a6
1964 Southampton League Div 1 – Round ? – Collins, Richard Arnold – 1/2-1/2 – Barton, AC. – G11 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bb7 6. Nf3 Nbd7 7. O-O c6 8. Qc2 Bd6 9. Rd1 Rc8 10. Bg5 Qc7
1964 Southampton League Div 1 – Round 12.1 – Collins, Richard Arnold – 0-1 – Daw, Geoffrey – G10 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. Nf3 dxc4 7. e4 Bb4 8. Qe2 Nb6 9. O-O Bxc3 10. bxc3 h6
1968 CSR Ch – Round 17 – Kubicek, Antonin – 1/2-1/2 – Kozma, Julius – G150 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. Nf3 Nc6 8. Qa4 d4 9. Nb5 Bb4+ 10. Bd2 Bxd2+

D35a — Catalan without Nf3 (1937)

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.g3

Les coups candidats

4…Be7 — 31.1% (298 parties)

Ambassadeurs : Ljubojevic, Ljubomir (3x), Kube, Hannelore (3x), Meyer, Ingo (2x), Bednar, Milan (2x), Roth, Rolf (1x), Zuidema, Coen (1x), De Fotis, Gregory (1x), Browne, Walter Shawn (1x)

4…c6 — 21.1% (202 parties)

Ambassadeurs : Collins, Richard (4x), Reinelt, Tilman (2x), Kalkstein, Rodolfo (1x), Roux Cabral, Luis (1x), Breustedt, Werner (1x), Etzold, Werner (1x), Tadic, Miroslav (1x), Zalys, Ignas (1x)

4…dxc4 — 12.9% (123 parties)

Ambassadeurs : Zalys, Ignas (2x), Schuler, Georg (2x), Wexler, Francisco (1x), Steinberg, Alexander (1x), Borwell, Alan P (1x), Cooke Julia Jane (1x), Lorenzen, Bjoern (1x), Sahlmann, Walter (1x)

4…c5 — 11.6% (111 parties)

Ambassadeurs : Peraza, Orlando (3x), Spassky, Boris V. (2x), Morin, Louis (2x), Gagare, Shardul (2x), Garcia Lopez, Juan Gilberto (1x), Soler Gonzalez, Juan Fernando (1x), Noradounghian, Georges (1x), Kubicek, Antonin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Be7	4…c6	4…dxc4	4…c5
<1800	122	31%	20%	11%	13%
1800-2200	453	32%	24%	10%	10%
2200-2600	129	36%	16%	20%	18%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Be7	4…c6	4…dxc4	4…c5
1950s	14	7%	36%	43%	7%
1960s	33	33%	12%	12%	21%
1970s	42	36%	14%	21%	19%
1980s	60	43%	8%	15%	10%
1990s	153	29%	29%	13%	7%
2000s	268	29%	19%	13%	11%
2010s	301	33%	23%	10%	12%
2020s	86	28%	17%	14%	15%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Be7	33%	28%	▼ -4.7%
4…c6	23%	17%	▼ -5.8%
4…dxc4	10%	14%	▲ +4.3%
4…c5	12%	15%	▲ +2.8%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie

Parties historiques

4…Be7 — 31.1% (298 parties)

1958 — Ribeiro, Joao vs White, Gabriel — 1/2-1/2 — Munich GER
1960 — Reinhardt, Enrique vs Cruz, Raul C. — 1/2-1/2 — Buenos Aires ch-ARG
1960 — Heinrich, G. vs Weltmander, I. — 0-1 — corr USSR-BRD
1961 — Durão, Joaquim Manuel vs Guti, Emanuel — 0-1 — Netanya ISR
1962 — De Rooi, Paul vs Kramer, Haije — 0-1 — Beverwijk NED

4…c6 — 21.1% (202 parties)

1951 — Kalkstein, Rodolfo vs Roux Cabral, Luis — 0-1 — San Rafael
1951 — Rossetto, Hector vs Amaro, Lucas Ibrair — 1/2-1/2 — Mar del Plata ARG
1954 — Nielsen, Aage Sondergaard vs Neu, Alexandre — 1-0 — Amsterdam olm
1957 — Toffano, Haroldo vs Giustina, Orestes — 0-1 — San Nicolas
1959 — Breustedt, Werner vs Etzold, Werner — 1-0 — GDR-ch Leipzig GER

4…dxc4 — 12.9% (123 parties)

1953 — Wexler, Francisco vs Steinberg, Alexander — 1/2-1/2 — Bariloche
1955 — Golombek, Harry vs Wade, Robert G — 0-1 — Aberystwyth ch-BCF
1955 — Mross, Paul vs Wolk, Sigmund — 1/2-1/2 — Hoechst ch-GER
1958 — Lorenzen, Bjoern vs Sahlmann, Walter — 0-1 — Hamburg GER
1958 — Abhay Kumar Paswan vs Cafferty, Bernard — 0-1 — ?

4…c5 — 11.6% (111 parties)

1950 — Nuesken, Fritz vs Herrmann, Ludwig — 0-1 — Soemmerda GER
1960 — Soler Gonzalez, Juan Fernando vs Noradounghian, Georges — 1/2-1/2 — Leipzig olm prel
1960 — Nilsson, Zandor vs Lengyel, Levente — 0-1 — Leipzig GER
1960 — Schweber, Samuel vs Recalde, Eleuterio — 1/2-1/2 — Sao Paulo zt
1962 — Garcia Lopez, Juan Gilberto vs Spassky, Boris V. — 0-1 — Havana CUB

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