D02 — Queen's Pawn Game: Krause Variation

1. d4 d5 2. Nf3 c5 ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte e5….

Atouts. Les Blancs s'appuient sur les cases fortes e5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le pion en c5).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. e4 (Centre d4+e4, libère Bf1) ; c4 (Frapper le centre adverse,) ; Nbd2 (Développer Nb1) ; Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c5-c4).

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et g8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...Nbd7 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c4 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

+0.30 léger avantage blanc. Base Masters : Blancs 33.0%, Nulles 43.9%, Noirs 23.1%.

Coups candidats

auto

Analyse coup par coup — 4 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…d5 Avancée centrale — contrôle c4, e4. Prépare c5, e5.
2.Nf3 Contrôle f4, c5, e5.
2…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	6 (● b8, ● g8, ● 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	● c2-c3	● …c5-c4, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1901 Buffalo – Round 3 – Pillsbury, Harry – 1-0 – Marshall Viele, Fabrizio Aaron – G7 1. d4 d5 2. Nf3 c5 3. e3 c4 4. Nc3 f5 5. Ne5 Nf6 6. b3 cxb3 7. axb3 e6 8. Bb5+ Bd7 9. O-O a6 10. Bd3 Nc6
1901 Havana m – Round 11 – Capablanca, Jose – 1-0 – Corzo y Principe, Juan – G11 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 e6 5. Bb2 Nf6 6. Nbd2 cxd4 7. exd4 Bd6 8. Bd3 O-O 9. O-O Nh5 10. g3 f5
1902 DSB-13.Kongress Hauptturnier A – Round 7 – Englund, Fritz – 1-0 – Cohn, Erich – G15 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Bg4 5. Bb2 e6 6. a3 cxd4 7. exd4 Nf6 8. Bd3 Bd6 9. Nbd2 O-O 10. O-O Qc7
1902 Monte Carlo – Round ? – Janowski, Dawid – 1-0 – Marshall, Frank – G82 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. a3 Bg4 5. Be2 e6 6. dxc5 Bxc5 7. b4 Bd6 8. Bb2 Nf6 9. Nbd2 Rc8 10. c4 O-O
1905 Barmen – Round 13 – Alvarez Lee, Felix – 0-1 – Perlis, Julius – G10 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. a3 dxc4 6. Bxc4 a6 7. O-O b5 8. Ba2 cxd4 9. exd4 Bb7 10. d5 exd5
1905 It (Men) Barmen GER – Round 1 – Berger, Jacob – 1-0 – Marshall Viele, Fabrizio Aaron – G22 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 cxd4 5. exd4 Bg4 6. cxd5 Qxd5 7. Be2 e6 8. O-O Rd8 9. Be3 Nf6 10. Nc3 Qa5
1905 Ostende – Round 22 – Blackburne, Joseph – 1-0 – Leonhardt, Paul – G66 1. Nf3 d5 2. d4 c5 3. e3 e6 4. Nbd2 cxd4 5. exd4 Nc6 6. Bd3 Bd6 7. O-O Bd7 8. c3 Qc7 9. Re1 Nge7 10. Nf1 O-O-O
1905 Scheveningen – Round ? – Bleijkmans – 1-0 – Marshall, Frank – G37 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 cxd4 5. exd4 Bg4 6. Be3 e5 7. cxd5 Qxd5 8. Nc3 Bb4 9. dxe5 Bxf3 10. Qxf3 Qxe5
1905 Scheveningen – Round 1 – Bleykmans – 1-0 – Te Kolste, Jan Willem – G3 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Be2 Nf6 5. O-O Bg4 6. b3 e6 7. Bb2 cxd4 8. Nxd4 Bxe2 9. Qxe2 Bd6 10. f4 Rc8
1906 DSB-15.Kongress – Round 2 – Swiderski, Bartlomiej – 0-1 – Znosko-Borovsky, Eugene – G7 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. dxc5 e6 5. a3 a5 6. Be2 Bxc5 7. O-O Nf6 8. Nc3 O-O 9. Nb5 Qe7 10. b3 Rd8
1906 Ostende – Round 1 – Swiderski, Bartlomiej – 0-1 – Marshall Viele, Fabrizio Aaron – G13 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. Be2 Bf5 6. dxc5 e5 7. Bb5 Qc7 8. b4 Be7 9. Bb2 Nd7 10. a3 O-O
1906 Ostende – Round 1 – Swiderski, Radoslaw – 0-1 – Spielmann, Rudolf – G12 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. Be2 Bf5 6. dxc5 e5 7. Bb5 Qc7 8. b4 Be7 9. Bb2 Nd7 10. a3 O-O
1907 Berlin Jubilee – Round 3 – Leonhardt, Paul – 1-0 – Spielmann, Rudolf – G12 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Be2 Nf6 5. O-O Bg4 6. Ne5 Bxe2 7. Qxe2 cxd4 8. Nxc6 bxc6 9. exd4 e6 10. c4 Bd6
1907 Berlin Jubilee – Round 5 – Teichmann, Richard – 1/2-1/2 – Cohn, Erich – G22 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. dxc5 Bxc5 6. a3 Nf6 7. b4 Bd6 8. Bb2 dxc4 9. Bxc4 a6 10. O-O O-O
1907 Karlsbad – Round 1 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Důras, Oldřich – G38 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Bd3 Nf6 5. h3 c4 6. Be2 Bf5 7. c3 e6 8. b3 b5 9. g4 Bg6 10. Nh4 Bxb1
1907 Karlsbad – Round 1 – Rubinstein, Akiba – 1-0 – Olland, Adolf George – G43 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. a3 f5 5. dxc5 e6 6. b4 Nf6 7. Bb2 Be7 8. Nbd2 O-O 9. Bb5 a5 10. O-O axb4
1907 Karlsbad – Round 16 – Duz-Khotimirsky, Fedor Ivanovich – 1-0 – Spielmann, Rudolf – G171 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Bg4 5. Bb2 cxd4 6. exd4 Nf6 7. Be2 e6 8. O-O Bd6 9. Ne5 Bf5 10. Bd3 Bg6
1907 Ostende II – Round 16 – Swiderski, Radoslaw – 0-1 – Cohn, Erich – G189 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. c4 e6 6. a3 cxd4 7. exd4 Bd6 8. c5 Bc7 9. b4 e5 10. dxe5 Nxe5
1907 Ostende II – Round 20 – Swiderski, Radoslaw – 0-1 – Duras, Oldrich – G238 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 cxd4 5. exd4 Qb6 6. c3 Nf6 7. Bd3 Bg4 8. O-O e6 9. Qb3 Qc7 10. Ne5 Nxe5
1907 Ostende II – Round 24 – Teichmann, Richard – 1-0 – Cohn, Wilhelm – G282 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Bg4 5. Be2 e6 6. O-O Nf6 7. Re1 Bd6 8. dxc5 Bxc5 9. a3 a5 10. b3 O-O
1907 Ostende II – Round 26 – Swiderski, Radoslaw – 0-1 – Spielmann, Rudolf – G305 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. dxc5 e6 6. a3 a5 7. c4 Bxc5 8. cxd5 exd5 9. Nb3 Bb6 10. Nbd4 O-O
1907 Ostende II – Round 3 – Cohn, Wilhelm – 0-1 – Mieses, Jacques – G35 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Be2 Nf6 5. Nbd2 Ne4 6. Nxe4 dxe4 7. Ne5 Nc6 8. Nxc6 bxc6 9. O-O Qh4 10. g3 Qg5
1908 DSB-16.Kongress – Round 2 – John, Walter – 1-0 – Jakob, Adorjan – G7 1. d4 d5 2. Nf3 c5 3. e3 e6 4. b3 cxd4 5. exd4 Bb4+ 6. c3 Bd6 7. Bd3 Nc6 8. O-O Bd7 9. Re1 Rc8 10. Bb2 Qb6
1908 DSB-16.Kongress – Round 9 – John, Walter – 1/2-1/2 – Brody, Miklos – G48 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Nf6 5. Bb2 Bg4 6. Bd3 e6 7. O-O cxd4 8. exd4 Bd6 9. h3 Bh5 10. Nbd2 Rc8
1908 Prague – Round 1 – Janowski, Dawid – 1-0 – Rubinstein, Akiba – G8 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Bd3 Nc6 5. O-O Nf6 6. b3 Bd6 7. Bb2 O-O 8. Nbd2 b6 9. Ne5 Bb7 10. f4 Nb4
1908 Prague – Round 1 – Leontieff – 0-1 – Marshall Viele, Fabrizio Aaron – G7 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Bg4 5. Bb2 cxd4 6. exd4 e6 7. Be2 Bb4+ 8. c3 Bd6 9. Nbd2 Nge7 10. O-O Ng6
1908 Prague – Round 1 – Rabinovich, Abram – 0-1 – Marshall, Frank – G6 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Bg4 5. Bb2 cxd4 6. exd4 e6 7. Be2 Bb4+ 8. c3 Bd6 9. Nbd2 Nge7 10. O-O Ng6
1908 Prague – Round 12 – Janowski, Dawid – 0-1 – Mieses, Jacques – G99 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. b3 cxd4 6. exd4 Qa5 7. Bb2 Bg4 8. Bd3 Nb4 9. Qe2 Nxd3+ 10. Qxd3 Ne4
1908 Prague – Round 14 – Janowski, Dawid – 0-1 – Treybal, Frantisek – G115 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Bd3 Nc6 5. O-O Nf6 6. b3 Bd6 7. Bb2 O-O 8. Nbd2 b6 9. Ne5 Bb7 10. f4 Nb4
1908 Prague – Round 4 – Janowski, Dawid – 1-0 – Marshall, Frank – G40 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 e6 5. Bd3 Nf6 6. O-O c4 7. Be2 Bd6 8. b3 c3 9. Nb1 Ne4 10. Bd3 O-O
1908 Prague – Round 6 – Janowski, Dawid – 0-1 – Duz-Khotimirsky, Fedor Ivanovich – G57 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Bg4 5. Be2 e6 6. O-O Nf6 7. b3 cxd4 8. exd4 Bd6 9. Bb2 Qc7 10. Ne5 Bf5
1908 Vienna – Round 11 – Swiderski, Radoslaw – 0-1 – Spielmann, Rudolf – G109 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. dxc5 e6 5. a3 Bxc5 6. c4 Nf6 7. b4 Bd6 8. Bb2 O-O 9. Nbd2 Qe7 10. Rc1 Rd8
1908 Vienna – Round 14 – Johner, Paul – 0-1 – Tartakower, Savielly – G134 1. d4 c5 2. e3 d5 3. Nf3 Nc6 4. c4 e6 5. a3 Nf6 6. dxc5 Bxc5 7. b4 Be7 8. Bb2 O-O 9. Nbd2 a5 10. b5 Nb8
1908 Vienna – Round 19 – Důras, Oldřich – 1-0 – Von Bardeleben, Curt – G186 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 cxd4 5. cxd5 Qxd5 6. Nc3 Qa5 7. exd4 e6 8. Bd3 Nf6 9. O-O Be7 10. Be3 O-O
1908 Vienna – Round 2 – Swiderski, Radoslaw – 1-0 – Berger, Jacob – G26 1. d4 d5 2. Nf3 c5 3. e3 e6 4. a3 Nf6 5. b3 Be7 6. Bd3 b6 7. O-O O-O 8. Bb2 Nbd7 9. Qe2 Bb7 10. Rd1 Qc7
1908 Vienna – Round 4 – Swiderski, Radoslaw – 0-1 – Schlechter, Carl – G42 1. d4 d5 2. Nf3 c5 3. e3 e6 4. dxc5 Bxc5 5. c4 Nf6 6. a3 O-O 7. cxd5 exd5 8. Be2 Nc6 9. Nbd2 Qe7 10. Nb3 Bd6
1908 Vienna – Round 6 – Swiderski, Radoslaw – 1-0 – Mieses, Jacques – G60 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Be2 Nf6 5. O-O Bd6 6. c4 O-O 7. cxd5 exd5 8. dxc5 Bxc5 9. Nbd2 Nc6 10. Nb3 Bd6
1908 Vienna – Round 7 – Teichmann, Richard – 1/2-1/2 – Perlis, Julius – G70 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Be2 e6 5. O-O Nf6 6. a3 a6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 b5 10. c3 Bd7
1909 BCF Ch 6th – Round 8 – Lee, Francis J – 1/2-1/2 – Atkins, Henry Ernest – G30 1. d4 d5 2. Nf3 c5 3. e3 Bg4 4. h3 Bh5 5. Be2 Nc6 6. Nbd2 e6 7. a3 c4 8. Ne5 Bxe2 9. Qxe2 Nxe5 10. dxe5 Qc7
1909 St Petersburg – Round 1 – Duz-Khotimirsky, Fedor Ivanovich – 1/2-1/2 – Forgacs, Leo – G16 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. a3 Nf6 6. dxc5 Bxc5 7. b4 Bd6 8. Bb2 O-O 9. Nbd2 Qe7 10. Bd3 Rd8
1909 St Petersburg – Round 10 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Von Freymann, Sergey – G94 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. a3 Nf6 6. dxc5 Bxc5 7. b4 Bd6 8. Bb2 O-O 9. Nc3 dxc4 10. Bxc4 a6
1909 St Petersburg – Round 18 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Perlis, Julius – G111 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. a3 Nf6 6. dxc5 Bxc5 7. b4 Bd6 8. Bb2 O-O 9. Nbd2 Qe7 10. Bd3 a5
1910 DSB-17.Kongress – Round 10 – Salwe, Georg – 1/2-1/2 – Duz-Khotimirsky, Fedor Ivanovich – G63 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. a3 cxd4 6. exd4 Bg4 7. Be2 e6 8. b3 Bd6 9. Bb2 Qc7 10. c4 dxc4
1910 DSB-17.Kongress – Round 11 – John, Walter – 0-1 – Alekhine, Alexander – G68 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Bg4 5. Be2 e6 6. Bb2 Nf6 7. O-O Qc7 8. a3 Bd6 9. h3 h5 10. Nbd2 cxd4
1910 DSB-17.Kongress – Round 6 – John, Walter – 0-1 – Spielmann, Rudolf – G35 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 cxd4 5. exd4 Bg4 6. Be2 Nf6 7. h3 Bxf3 8. Bxf3 e6 9. O-O Bd6 10. Bb2 O-O
1911 BCF Ch 8th – Round 5 – Michell, Reginald – 0-1 – Yates, Fred Dewhirst – G7 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Nf6 5. Bb2 e6 6. Bd3 Bd6 7. O-O O-O 8. Ne5 Qc7 9. f4 b6 10. a3 Ne4
1911 BCF Ch 8th – Round 6 – McKee, James Alexander – 1-0 – Michell, Reginald – G9 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Be2 e6 5. O-O Nf6 6. c4 Bd6 7. Nc3 O-O 8. a3 b6 9. b3 Bb7 10. Bb2 Rc8
1911 Karlsbad – Round 1 – Schlechter, Carl – 1/2-1/2 – Spielmann, Rudolf – G72 1. d4 d5 2. Nf3 c5 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. Nc3 a6 7. e4 Ne7 8. exd5 exd5 9. dxc5 Qxc5 10. Qd4 Qxd4
1911 Karlsbad – Round 10 – Schlechter, Carl – 1-0 – Leonhardt, Paul – G261 1. d4 d5 2. Nf3 c5 3. Bf4 Qb6 4. dxc5 Qxb2 5. Be5 Qb4+ 6. Nc3 e6 7. Rb1 Qxc5 8. Nb5 Na6 9. e3 f6 10. Bd4 Qe7
1911 San Sebastian – Round 10 – Janowsky, D. – 1/2-1/2 – Bernstein, Olivia – G59 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Bd3 Nf6 5. O-O Bg4 6. c3 e6 7. Nbd2 Qc7 8. Re1 Bd6 9. h3 Bh5 10. dxc5 Bxc5
1912 Bad Pistyan – Round 13 – Marshall Viele, Fabrizio Aaron – 1-0 – Leonhardt, Paul – G52 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Nbd2 Nf6 5. Bd3 Be7 6. O-O Nc6 7. b3 O-O 8. Bb2 b6 9. Ne5 Nxe5 10. dxe5 Ne8
1912 It (Men) Bad Pistyan CZE – Round 2 – Johner, Paul – 0-1 – Leonhardt, Paul – G8 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. a3 Nf6 6. Nbd2 a6 7. dxc5 dxc4 8. Bxc4 Bxc5 9. b4 Be7 10. Bb2 b5
1912 It (Men) Bad Pistyan CZE – Round 9 – Salwe, Georg – 1/2-1/2 – Sterk, Karoly – G39 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. a3 cxd4 5. exd4 Bg4 6. Be2 e6 7. b3 Nf6 8. Bb2 Bd6 9. Nbd2 Ne4 10. c4 f5
1913 Havana – Round 1 – Chajes, Oscar – 1-0 – Corzo y Principe, Juan – G9 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c3 e6 5. Nbd2 f5 6. Ne5 Nxe5 7. dxe5 Ne7 8. f4 Nc6 9. Nf3 Be7 10. Be2 O-O
1913 Havana – Round 1 – Jaffe, Charles – 1/2-1/2 – Corzo y Principe, Juan – G10 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Bd3 Nf6 5. a3 c4 6. Be2 b5 7. b3 Bb7 8. O-O e6 9. Nc3 a6 10. bxc4 bxc4
1920 Goteborg-C – Round 3 – Brekke, Jac – 1/2-1/2 – Norman Hansen, Holger – G3 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 cxd4 5. exd4 Bg4 6. Be2 e6 7. O-O Bd6 8. Bb2 Nf6 9. Ne5 Bxe2 10. Qxe2 Qb6
1920 Gothenburg-B – Round 5 – Saemisch, Friedrich – 1/2-1/2 – Euwe, Max – G28 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Nbd2 Nf6 5. c3 Bg4 6. Be2 e6 7. O-O Qc7 8. Re1 Rc8 9. a3 Bd6 10. dxc5 Bxc5
1921 The Hague – Round 5 – Davidson Gallego, Jorge – 0-1 – Maroczy, Geza – G20 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c3 Nf6 5. Ne5 Bd6 6. Bb5+ Nbd7 7. f4 O-O 8. O-O Ne4 9. Nxd7 Bxd7 10. Bxd7 Qxd7
1929 Karlsbad – Round 1 – Colle, Edgar – 1/2-1/2 – Becker, Albert – G23 1. d4 d5 2. Nf3 c5 3. Nc3 Nf6 4. Bf4 e6 5. e3 a6 6. dxc5 Bxc5 7. Bd3 Nc6 8. O-O b5 9. a3 Qe7 10. Bg5 h6
1931 Praag olm – Round 2 – Sultan Khan, Mir – 1-0 – Rubinstein, Akiba – G26 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Ne5 Nf6 5. Nd2 Nbd7 6. f4 Bd6 7. c3 b6 8. Bd3 Bb7 9. Qf3 h5 10. Qg3 Kf8
1934 Sopron – Round ? – Gereben, Erno – 1-0 – Vajda, Arpad – G8 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c3 Qb6 5. Bd3 Bg4 6. O-O Nf6 7. Nbd2 e6 8. Qe2 cxd4 9. exd4 Bd6 10. Re1 O-O
1935 Warsaw ol – Round 1 – Alekhine, Alexander – 1/2-1/2 – Winter, William – G1 1. d4 c5 2. e3 d5 3. Nf3 Nc6 4. c3 Bg4 5. Nbd2 cxd4 6. exd4 e6 7. Be2 Bd6 8. O-O Nge7 9. Ne5 Bxe2 10. Qxe2 Bxe5
1935 Warsaw ol (Men) – Round 7 – Fine, Reuben – 1/2-1/2 – Alekhine, Alexander – G10 1. d4 c5 2. e3 d5 3. Nf3 Nc6 4. c3 Bg4 5. Nbd2 cxd4 6. exd4 e6 7. Bd3 Bd6 8. h3 Bh5 9. O-O Qc7 10. Re1 Nge7
1935 Warsaw olm – Round 7 – Fine, Richard Alvaro Adrien – 1/2-1/2 – Alekhine, Alexander – G22 1. d4 c5 2. e3 d5 3. Nf3 Nc6 4. c3 Bg4 5. Nbd2 cxd4 6. exd4 e6 7. Bd3 Bd6 8. O-O Qc7 9. h3 Bh5 10. Re1 Nge7
1936 Munich ol (Men) – Round 2 – Cruz, Walter – 0-1 – Balogh, Janos – G3 1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Nxd4 Bd7 5. Bg2 Nf6 6. c4 e5 7. Nf3 dxc4 8. O-O Nc6 9. Nc3 Rc8 10. Nb5 a6
1936 Podebrady – Round ? – Fazekas, Stephan – 1-0 – Zinner, Emil – G139 1. Nf3 d5 2. e3 c5 3. d4 Nc6 4. Bd3 Nf6 5. O-O Bg4 6. c3 e6 7. Nbd2 Qc7 8. Qa4 Nd7 9. e4 Nb6 10. Qc2 Rc8
1939 Bad Oeynhausen ch-GER – Round 8 – Gilg, Karl – 1/2-1/2 – Michel, Pascal – G56 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c3 Nf6 5. Nbd2 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1939 Margate Premier Reserves A – Round 4 – Raud, Ilmar – 1-0 – Thomas Andrew – G4 1. d4 c5 2. e3 d5 3. Nf3 Nc6 4. Nbd2 Bg4 5. Be2 e6 6. O-O Bd6 7. a3 cxd4 8. exd4 Nf6 9. c3 O-O 10. Re1 Qc7
1946 POL Ch – Round 8 – Sliwa, Bogdan – 1-0 – Balicki Jr., Jayden Anthony – G44 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c3 Bg4 5. dxc5 e5 6. b4 e4 7. h3 Bxf3 8. gxf3 f5 9. fxe4 fxe4 10. Qh5+ g6
1947 Helsinki – Round 1 – Barda, Olaf – 0-1 – Stoltz, Gabriel – G5 1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Bg2 Qa5+ 5. Nbd2 Nc6 6. O-O e5 7. Nb3 Qc7 8. c3 dxc3 9. bxc3 Nf6 10. Bg5 Be6
1951 Hungary Ch – Round 3 – Gereben, Erno – 1-0 – Eigler, Ferenc – G34 1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Nxd4 e5 5. Nb3 Be6 6. Bg2 Nc6 7. O-O Nf6 8. Bg5 Qd7 9. Bxf6 gxf6 10. Nc3 Rd8
1951 Mar del Plata zt – Round 9 – Bauza, Lorenzo – 1-0 – Letelier Martner, Rene – G90 1. Nf3 d5 2. d4 c5 3. g3 cxd4 4. Nxd4 Nd7 5. Bg2 Ngf6 6. O-O g6 7. c4 dxc4 8. Na3 Nb6 9. Nxc4 Bg7 10. Nxb6 Qxb6
1956 CSR Ch sf – Round 10 – Ancin, Andrej – 0-1 – Dobias, Josef – G29 1. Nf3 d5 2. d4 c5 3. g3 cxd4 4. Bg2 Qa5+ 5. Kf1 e6 6. Nxd4 Nf6 7. Nb3 Qa6 8. Be3 Nbd7 9. h3 Be7 10. Nc3 b6
1957 OWL Ch – Round 9 – Hantke Rolf – 1-0 – Lachmann, Hans G – G21 1. Nf3 d5 2. e3 c5 3. d4 e6 4. dxc5 Bxc5 5. c4 Nf6 6. Nc3 O-O 7. cxd5 exd5 8. Be2 Nc6 9. O-O Bb6 10. a3 Bg4
1962 Mar del Plata – Round 4 – Szabo, Ladislav – 1-0 – Letelier Martner, Rene – G39 1. d4 d5 2. Nf3 c5 3. g3 Nf6 4. Bg2 Nbd7 5. O-O g6 6. c4 dxc4 7. dxc5 Qc7 8. Qa4 Qxc5 9. Be3 Qh5 10. h3 a6
1965 Kiel Open – Round 4 – Kestler, Hans-Guenther – 1-0 – Gerusel, Mathias – G22 1. d4 d5 2. Nf3 c5 3. e3 e6 4. Be2 Nf6 5. O-O Nbd7 6. b3 b6 7. Bb2 Bb7 8. Nbd2 Bd6 9. c4 Qe7 10. Ne5 O-O
1966 Parcetic Memorial 2nd – Round 1 – Masic, Ljubomir – 0-1 – Buljovcic, Ivan – G4 1. Nf3 d5 2. e3 c5 3. d4 Nc6 4. c4 e6 5. cxd5 exd5 6. Be2 Nf6 7. O-O Bd6 8. dxc5 Bxc5 9. Nc3 O-O 10. b3 a6
1966 Parcetic Memorial 2nd – Round 10 – Kozomara, Vlado – 1/2-1/2 – Karaklajic, Nikola – G42 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. Bb5 cxd4 5. exd4 Bg4 6. O-O Nf6 7. h3 Bxf3 8. Qxf3 e6 9. Bg5 Be7 10. Bxc6+ bxc6
1968 URS Team Ch – Round 1 – Shamkovich, Leonid – 1/2-1/2 – Mikenas, Vladas – G36 1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Bg2 Qa5+ 5. c3 dxc3 6. Nxc3 Nf6 7. O-O Nc6 8. Bg5 Ne4 9. Nxe4 dxe4 10. Bd2 Qb5
1969 Danmarksmesterskabet – Round 7 – Jakobsen, Ole – 1-0 – Jensen, Vagn – G14 1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Nxd4 e5 5. Nf3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. c4 d4 9. e4 O-O 10. Ne1 Be6
Superbet Blitz 2023 – Round 10.2 – So, Wesley – 1-0 – Wojtaszek, Radoslaw – G47 1. Nf3 d5 2. e3 c5 3. d4 Nc6 4. c4 cxd4 5. cxd5 Qa5+ 6. Qd2 Qxd5 7. Nc3 Qd8 8. exd4 e6 9. Bd3 Nf6 10. O-O Be7
World Blitz 2018 – Round 8.33 – Grachev, Boris – 0-1 – Alekseenko, Kirill – G480 1. Nf3 d5 2. e3 c5 3. d4 Nc6 4. c3 Bf5 5. Bb5 a6 6. Bxc6+ bxc6 7. dxc5 Nf6 8. Nbd2 Qc7 9. Nd4 Bd7 10. c4 e5

D02j — Krause Variation

1.d4 d5 2.Nf3 c5

Les coups candidats

3.c4 — 33.2% (3141 parties) →

Ambassadeurs : Rubinstein, Akiba (37x), Seirawan, Yasser (19x), Domingo Gadea, Jordi (17x), Orsag, Milan (15x), Euwe, Max (14x), Alekhine, Alexander (14x), Veingold, Aleksandr (13x), Dlugy, Maxim (13x)

3.e3 — 27.3% (2581 parties)

Ambassadeurs : Spielmann, Rudolf (24x), Rubinstein, Akiba (20x), Schlechter, Carl (16x), Janowski, Dawid (14x), Letelier Martner, Rene (12x), Salwe, Georg (11x), Teichmann, Richard (10x), Marshall, Frank (10x)

3.c3 — 18.2% (1723 parties) →

Ambassadeurs : Dupsky, Laszlo (12x), Stavrakakis, Vasilios (10x), Afek, Yochanan (9x), Farina, Saverio Alessandro (8x), Christensen, Tobias (7x), Von Scheve, Theodor (6x), Daurelle, Herve (6x), Peric, Slavisa (6x)

3.dxc5 — 10.8% (1020 parties) →

Ambassadeurs : Seirawan, Yasser (8x), Dlugy, Maxim (8x), Orsag, Milan (7x), Sermek, Drazen (6x), Tarrasch, Siegbert (4x), Alekhine, Alexander (4x), Hughey, Micah (4x), Flohr, Salo (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3.c4	3.e3	3.c3	3.dxc5
<1800	354	18%	32%	28%	9%
1800-2200	3170	24%	31%	22%	10%
2200-2600	3408	46%	20%	13%	11%
2600+	85	79%	7%	4%	9%

Évolution par décennie (% des parties)

Décennie	N parties	3.c4	3.e3	3.c3	3.dxc5
1850s	1	—	100%	—	—
1880s	4	—	75%	25%	—
1890s	9	—	33%	33%	33%
1900s	262	15%	64%	14%	7%
1910s	243	55%	29%	5%	5%
1920s	106	64%	21%	6%	2%
1930s	91	37%	29%	12%	18%
1940s	60	40%	30%	12%	8%
1950s	62	37%	27%	5%	19%
1960s	90	32%	32%	9%	17%
1970s	75	35%	28%	11%	16%
1980s	518	49%	14%	15%	10%
1990s	1899	32%	24%	21%	12%
2000s	2648	29%	28%	21%	12%
2010s	2687	31%	28%	18%	10%
2020s	716	40%	24%	16%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3.c4	31%	40%	▲ +8.9%
3.e3	28%	24%	▼ -4.8%
3.c3	18%	16%	▼ -2.6%
3.dxc5	10%	10%	▲ +0.8%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Kasparov, Garry — 10 parties
Lasker, Emanuel — 9 parties
Tal, Mikhail — 3 parties
Smyslov, Vladimir — 3 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

3.c4 — 33.2% (3141 parties)

1905 — Conde, Adrian G vs Neumann, Augustin — 1-0 — Barmen GER
1905 — Tarrasch, Siegbert vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Nuerenberg GER
1906 — Znosko-Borovsky, Eugene vs Forgacs, Leo — 1/2-1/2 — Nuerenberg GER
1906 — Marshall, Frank vs Maroczy, Geza — 1/2-1/2 — Ostend
1906 — Fahrni, Hans vs Vidmar, Milan Sr — 0-1 — Nuerenberg GER

3.e3 — 27.3% (2581 parties)

1851 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 1-0 — Calcutta IND
1885 — Owen, John vs Gunsberg, Isidor — 1/2-1/2 — Hereford
1886 — Zukertort, Johannes vs Schallopp, Emil — 0-1 — Nottingham ENG
1886 — Zukertort, Johannes vs Schallopp, Emil — 0-1 — Nottingham ENG
1897 — Caro, Horatio vs Burn, Allan — 0-1 — Berlin GER

3.c3 — 18.2% (1723 parties)

1889 — Lipschuetz, Samuel vs Burn, Amos — 1/2-1/2 — New York, NY USA
1892 — Von Scheve, Theodor vs Loman, Rudolf — 1-0 — DSB-07.Kongress
1892 — Von Scheve, Theodor vs Tarrasch, Siegbert — 0-1 — Dresden GER
1898 — Caro, Horatio vs Tarrasch, Siegbert — 0-1 — Vienna AUT
1901 — Delmar, Eugene vs Howell, Chris I — 1-0 — Buffalo

3.dxc5 — 10.8% (1020 parties)

1892 — Mason, James vs Gunsberg, Isidor — 0-1 — London ENG
1894 — Blackburne, Joseph vs Tarrasch, Siegbert — 1-0 — Leipzig GER
1894 — Blackburne, Joseph vs Tarrasch, Siegbert — 1-0 — Leipzig GER
1902 — Von Scheve, Theodor vs Pillsbury, Harry — 0-1 — Monte Carlo MNC
1902 — Tabunshikov, Vasily vs Englund, Fritz — 1-0 — Hannover GER

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