C30l — KGD: Classical, 3.Nf3 d6 4.Nc3

1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. d3 (Libérer Bc1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte c5.

Atouts. Les Noirs s'appuient sur la case forte d4, un avant-poste en c5, un fou actif en c5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en f4).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et g8, le fou c8 et les tours a8 et h8).

Plans. ...Nbd7 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0), ● g5 (2v1)	● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (1v0), ● e5 (2v1)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc5		● Bc5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	5 (● b8, ● g8, ● c8, ● 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	● d2-d3, ● f4-f5	● …c7-c6, ● …d6-d5, ● …f7-f6, ● …f7-f5

Partie
1900 Augsburg blindfold sim – Round ? – Pillsbury, Harry – 0-1 – Buz, Richard – G11 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bd7 6. d3 Nge7 7. Na4 Bb6 8. Nxb6 axb6 9. O-O O-O 10. fxe5 dxe5
1900 Augsburg blindfold sim – Round 10 – Pillsbury, Harry – 1/2-1/2 – Epstein, Ludwig – G5 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Bb5 Ne7 6. Na4 O-O 7. Nxc5 dxc5 8. fxe5 h6 9. d3 a6 10. Bxc6 Nxc6
1900 Augsburg blindfold sim – Round 16 – Pillsbury, Harry – 1-0 – Riezler – G9 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. h3 Bxf3 7. Qxf3 a6 8. Bxc6+ bxc6 9. fxe5 dxe5 10. d3 g5
1900 Paris blind-simul – Round 1 – Pillsbury, Harry – 1-0 – Lochard, Eliot – G7 1. e4 e5 2. f4 Bc5 3. Nc3 d6 4. Nf3 Nc6 5. Bb5 Bg4 6. h3 Bxf3 7. Qxf3 exf4 8. Qxf4 a6 9. Bxc6+ bxc6 10. Ne2 Nf6
1902 Berlin blindfold simul – Round 10 – Pillsbury, Harry – 1/2-1/2 – Wehner, Emil – G9 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 a6 5. fxe5 dxe5 6. Nxe5 Qd4 7. Nd3 Nf6 8. Nxc5 Qxc5 9. d4 Qe7 10. Bg5 h6
1902 Cologne blindfold simul – Round 10 – Pillsbury, Harry – 1-0 – Bergeret Busse, Julian – G10 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bg4 6. h3 Bxf3 7. Qxf3 Ne7 8. d3 O-O 9. Ne2 a6 10. Ba4 b5
1902 Cologne blindfold simul – Round 6 – Pillsbury, Harry – 1-0 – Auerbach, Clarence – G6 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 Nc6 7. Bb5 Ne7 8. d3 O-O 9. Ne2 Nb4 10. Ba4 b5
1902 DSB-13.Kongress Hauptturnier A – Round 15 – Loman, Rudolf – 1-0 – Moeller, Jorgen – G40 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 a6 5. Bc4 Nc6 6. d3 Bg4 7. fxe5 Nxe5 8. Bf4 Nf6 9. Bxe5 dxe5 10. Bxf7+ Kf8
1904 Vienna Gambit – Round 1 – John, Walter – 1-0 – Loewy, Leopold Jr – G1 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Bg4 5. Bc4 Nc6 6. Na4 Bb6 7. Nxb6 axb6 8. O-O Nf6 9. fxe5 dxe5 10. d3 h6
1904 Vienna Gambit – Round 10 – Wolf Heinrich – 0-1 – Schlechter, Carl – G35 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Bg4 5. Na4 exf4 6. c3 Qf6 7. e5 Qh6 8. d4 Bb6 9. Bc4 Nd7 10. exd6 O-O-O
1904 Vienna Gambit – Round 12 – Wolf Heinrich – 1/2-1/2 – Neumann Feliu, Rodrigo – G42 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Bg4 5. h3 Bxf3 6. Qxf3 exf4 7. Qxf4 Nf6 8. Bc4 Nc6 9. d3 Na5 10. Rf1 Qe7
1904 Vienna Gambit – Round 17 – Wolf Heinrich – 1-0 – Perlis, Julius – G53 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Bg4 5. h3 Bxf3 6. Qxf3 Nf6 7. Na4 exf4 8. e5 Qe7 9. Nxc5 Qxe5+ 10. Kd1 dxc5
1904 Vienna Gambit – Round 9 – Wolf Heinrich – 0-1 – Maroczy, Geza – G33 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 a6 5. fxe5 dxe5 6. Nxe5 Qd4 7. Nd3 Ba7 8. Qf3 Nf6 9. e5 Ng4 10. Ne2 Qb6
1905 Hauptturnier A – Round 10 – Johner, Paul – 0-1 – Aadhyeta Roy – G34 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Na4 Bb6 6. Nxb6 axb6 7. Bb5 Bg4 8. O-O Ne7 9. h3 Bxf3 10. Qxf3 O-O
1905 It (Men) Barmen GER – Round 1 – Alapin, Simon – 1/2-1/2 – Wolf, Hans-Josef – G40 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Na4 exf4 6. d4 Bb6 7. Nxb6 axb6 8. Bd3 O-O 9. O-O Re8 10. Bxf4 Nxe4
1905 It (Men) Barmen GER – Round 13 – Alapin, Simon – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G139 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Na4 Nbd7 6. d3 Bb6 7. Nxb6 axb6 8. Be2 O-O 9. O-O Qe7 10. c3 h6
1905 It (Men) Stockholm SWE – Round 8 – Alapin, Simon – 1/2-1/2 – Tartakower, Savielly – G28 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Bg4 5. h3 Bxf3 6. Qxf3 exf4 7. Qxf4 Nd7 8. Be2 Qf6 9. d3 O-O-O 10. Rf1 Qxf4
1905 Ostende – Round 18 – Alapin, Simon – 1/2-1/2 – Janowski, Dawid – G52 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Na4 Bb6 6. Nxb6 axb6 7. d3 Nc6 8. Be2 Bg4 9. O-O Qe7 10. c3 Be6
1905 Ostende – Round 22 – Alapin, Simon – 1/2-1/2 – Burn, Amos – G65 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Na4 O-O 6. fxe5 Nxe4 7. Nxc5 Nxc5 8. d4 Ne4 9. Bd3 d5 10. O-O Bf5
1905 Ostende – Round 4 – Blackburne, Joseph – 0-1 – Janowski, Dawid – G13 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. d3 Ng4 6. d4 exd4 7. Nxd4 Nc6 8. Bb5 O-O 9. Bxc6 bxc6 10. O-O Ba6
1906 DSB-15.Kongress – Round 5 – Spielmann, Rudolf – 1/2-1/2 – Salwe, George – G26 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Na4 Bb6 6. Nxb6 axb6 7. Bc4 Be6 8. d3 Bxc4 9. dxc4 Nf6 10. Qd3 Qe7
1907 Carlsbad – Round 1 – Chigorin, Mikhail – 1/2-1/2 – Salwe, Georg – G8 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. d3 Nf6 7. Na4 Bb6 8. Nxb6 axb6 9. O-O O-O 10. c3 exf4
1907 Karlsbad – Round ? – Chigorin, Mikhail – 1/2-1/2 – Salwe, Georg H S – G189 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. d3 Nf6 7. Na4 Bb6 8. Nxb6 axb6 9. O-O O-O 10. c3 exf4
1907 Lodz POL – Round 7 – Alapin, Simon – 0-1 – Goldfarb, V. – G8 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Bg4 5. Na4 Nc6 6. Bb5 Ne7 7. c3 a6 8. Bxc6+ Nxc6 9. Nxc5 dxc5 10. d3 Qd7
1908 DSB-16.Kongress – Round 7 – Treybal, Karel – 1/2-1/2 – Von Bardeleben, Curt – G38 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Na4 Bg4 6. Nxc5 dxc5 7. d3 exf4 8. Be2 Bxf3 9. Bxf3 Qh4+ 10. Kf1 O-O-O
1908 Prague – Round 11 – Alapin, Simon – 0-1 – Rubinstein, Akiba – G93 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. d3 Ne7 7. h3 Bxf3 8. Qxf3 O-O 9. f5 Nd4 10. Qg3 Nxb5
1908 Prague – Round 7 – Alapin, Simon – 0-1 – Janowski, Dawid – G66 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Na4 Bb6 6. Nxb6 axb6 7. d3 Nc6 8. Be2 O-O 9. O-O Re8 10. c3 Qe7
1908 Vienna – Round 1 – ? – 0-1 – Schlechter, Carl – G13 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 Nc6 7. Bb5 Ne7 8. f5 O-O 9. f6 Nd4 10. Qg3 Ng6
1914 DSB-19.Kongress – Round 1 – Tartakower, Savielly – 1-0 – Mieses, Jacques – G9 1. f4 e5 2. e4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Na4 Qe7 6. Bb5 Bd7 7. d3 O-O-O 8. Nxc5 dxc5 9. O-O f6 10. Be3 Nd4
1920 Amsterdam – Round 4 – Schelfhout, Willem – 0-1 – Maróczy, Géza – G26 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Ne7 6. fxe5 dxe5 7. d3 O-O 8. Bg5 Qd6 9. Qd2 Nd4 10. Bc4 c6
1929 Scarborough – Round 7 – Bolland, Benno – 0-1 – Thomas, George Alan – G12 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bd7 6. Ne2 Nf6 7. d3 Qe7 8. Ng3 O-O-O 9. c3 exf4 10. Bxf4 d5
1938 Margate – Round 7 – Milner Barry, Philip – 1-0 – Thomas, George Alan – G36 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Na4 Qe7 6. Nxc5 dxc5 7. Bb5 Bd7 8. fxe5 Nxe5 9. Bxd7+ Nxd7 10. O-O O-O-O
1940 Rakovnik – Round 9 – Hromadka, Karel – 1-0 – Treybal, Karel – G50 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. d3 Ne7 7. h3 Bxf3 8. Qxf3 exf4 9. Bxf4 Ng6 10. Bd2 O-O
1962 URS Team Ch – Round 1 – Mospan, Edward – 0-1 – Novopashin, Arkady – G85 1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Bg4 5. h3 Bd7 6. Bc4 Nc6 7. d3 Na5 8. f5 Ne7 9. g4 a6 10. Qe2 Nxc4

C30l — KGD: Classical

1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3

Eval: [-0.21]

Les coups candidats

4…Nf6 — 52.6% (1005 parties)

Ambassadeurs : Steinitz, Wilhelm (9x), Jirka, Jiri (9x), Anderssen, Adolf (8x), Eberth, Zoltan Bela (8x), Zukertort, Johannes (7x), Blackburne, Joseph (7x), Janowski, Dawid (6x), Alapin, Simon (6x)

4…Nc6 — 34.1% (651 parties)

Ambassadeurs : Chigorin, Mikhail (8x), Steinitz, Wilhelm (6x), Pillsbury, Harry (6x), Curdo, John (6x), Loman, Rudolf (5x), Rubinstein, Akiba (5x), Karpatchev, Aleksandr (5x), Malmstroem, Jan Hendrik (5x)

4…Bg4 — 8.7% (167 parties)

Ambassadeurs : Mason, James (3x), Wolf Heinrich (3x), Mazziotti Irigoyen, Gabriel (3x), Gossip, George (2x), Schallopp, Emil (2x), Gunston, William H (2x), Schlechter, Carl (2x), Réti, Richard (2x)

4…a6 — 2.3% (44 parties)

Ambassadeurs : Chigorin, Mikhail (4x), Martinez, Dion M (3x), Loman, Rudolf (2x), Pillsbury, Harry (2x), Moeller, Jorgen (2x), Fisher Charles M (1x), Goldsmith, Louis (1x), Abad Martinez, Diego (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Nf6	4…Nc6	4…Bg4	4…a6
<1800	76	47%	39%	4%	5%
1800-2200	645	49%	39%	9%	2%
2200-2600	420	65%	27%	5%	1%
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Nf6	4…Nc6	4…Bg4	4…a6
1860s	13	54%	8%	38%	—
1870s	27	44%	37%	15%	4%
1880s	58	43%	26%	14%	10%
1890s	50	48%	28%	18%	4%
1900s	67	40%	33%	16%	7%
1910s	20	40%	55%	5%	—
1920s	15	47%	40%	13%	—
1930s	8	62%	38%	—	—
1940s	9	11%	67%	—	22%
1950s	9	33%	67%	—	—
1960s	8	38%	38%	25%	—
1970s	32	66%	25%	6%	3%
1980s	90	57%	34%	6%	—
1990s	423	58%	28%	9%	2%
2000s	604	53%	35%	9%	1%
2010s	418	51%	39%	6%	2%
2020s	60	52%	37%	8%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Nf6	51%	52%	+0.2%
4…Nc6	39%	37%	▼ -2.3%
4…Bg4	6%	8%	▲ +2.6%
4…a6	2%	2%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 4 parties
Alekhine, Alexander — 3 parties
Smyslov, Vladimir — 1 partie

Parties historiques

4…Nf6 — 52.6% (1005 parties)

1860 — HirschfeldGuretzky-Cornitz vs Suhle, Berthold — 1-0 — Berlin GER
1863 — Deacon, Frederick vs Steinitz, Wilhelm — 0-1 — London ENG
1865 — Tegeler, G. vs Watkinson, John — 1-0 — Bradford
1865 — Guretzky, C vs Anderssen, Adolf — 1-0 — Berlin GER
1865 — Guretzky, C vs Anderssen, Adolf — 0-1 — Unknown

4…Nc6 — 34.1% (651 parties)

1861 — Paulsen, Louis vs Maude, George — 1/2-1/2 — London ENG
1870 — Steinitz, Wilhelm vs Ranken, Charles Edwards — 0-1 — Great Britain
1871 — Burn, Amos vs Watkinson, J. — 1-0 — Great Britain
1874 — Steinitz, Wilhelm vs Moriau — 1-0 — Great Britain
1875 — Steinitz, Wilhelm vs Mocatta — 1-0 — London ENG

4…Bg4 — 8.7% (167 parties)

1861 — Wormald, Robert vs Boden, Samuel S — 0-1 — London ENG
1862 — Green, Valentine vs Robey, James — 1-0 — London ENG
1866 — Schuster, Ailleann vs Schlieper, A. — 0-1 — Nuerenberg GER
1866 — Porterfield Rynd, James Alexander vs O'Donovan, J. — 1-0 — Dublin IRL
1867 — De Vere, Cecil V vs Fraser James Cunningham — 1-0 — Dundee SCO

4…a6 — 2.3% (44 parties)

1875 — Fisher Charles M vs Goldsmith, Louis — 1-0 — Melbourne AUS
1888 — Zukertort, Johannes vs Bird, Henry — 0-1 — London ENG (Simpson's Divan)
1888 — Von Gottschall, Hermann vs Harmonist, Max — 1/2-1/2 — Nuerenberg GER
1889 — Chigorin, Mikhail vs Martinez, Dion M — 1-0 — New York, NY USA
1889 — Chigorin, Mikhail vs Abad Martinez, Diego — 1-0 — New York, NY USA

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