A03g — Bird: Lasker Variation

1.f4 d5 2.e3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 6 pièces non développées (B1, G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Nf3 — Développer Ng1
● d3 — Libérer Bc1
● Bd3 — Développer Bf1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bf5 — Développer Bc8
● ...Bd6 — Développer Bf8

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A03g — Lasker Variation

1.f4 d5 2.e3

Eval: [-0.20]

Les coups candidats

2…Nf6 — 47.8% (1597 parties) →

Ambassadeurs : Brodie, Hugh (31x), Hrnciar, Roman (26x), Just, Gabriele, Dr. (14x), Babb, Jeff (14x), Bito, Ladislav (13x), Engelhardt, Erhard (10x), Volf, Rudolf Sen. (9x), Elias, Benjamim (9x)

2…g6 — 20.9% (699 parties)

Ambassadeurs : Hrnciar, Roman (21x), Bryntze, Stefan (12x), Babb, Jeff (10x), Brodie, Hugh (9x), Bito, Ladislav (9x), Bird, Henry (8x), Hromadka, Karel (7x), Just, Wolfgang (7x)

2…c5 — 17.7% (591 parties)

Ambassadeurs : Brodie, Hugh (16x), Hrnciar, Roman (11x), Babb, Jeff (8x), Bird, Henry (6x), Tartakower, Savielly (6x), Maroczy, Geza (4x), Just, Gabriele, Dr. (4x), Goc, Jan (4x)

2…Nc6 — 4.5% (151 parties)

Ambassadeurs : Knaperek, Pavol (3x), Brodie, Hugh (2x), Raupp, C. (2x), Antusch, Ingrid (2x), Pina Sierra, Jesus (2x), Halfon Barrientos, Enrique (2x), Popp Tony (2x), Aigner, Georg (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…Nf6	2…g6	2…c5	2…Nc6
<1800	234	47%	12%	18%	10%
1800-2200	1431	49%	22%	19%	3%
2200-2600	315	38%	44%	13%	2%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	2…Nf6	2…g6	2…c5	2…Nc6
1840s	2	50%	—	50%	—
1850s	9	11%	11%	33%	—
1860s	2	—	—	50%	—
1870s	9	22%	11%	22%	11%
1880s	39	28%	8%	23%	—
1890s	39	26%	26%	15%	3%
1900s	33	21%	3%	45%	—
1910s	34	29%	9%	24%	3%
1920s	40	50%	12%	25%	2%
1930s	42	31%	29%	29%	7%
1940s	25	60%	20%	16%	—
1950s	48	58%	33%	6%	—
1960s	64	33%	34%	22%	3%
1970s	43	51%	16%	19%	7%
1980s	121	48%	27%	17%	4%
1990s	616	52%	16%	19%	4%
2000s	1022	49%	21%	16%	6%
2010s	1043	49%	22%	16%	4%
2020s	113	40%	31%	15%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…Nf6	49%	40%	▼ -9.1%
2…g6	22%	31%	▲ +8.9%
2…c5	16%	15%	▼ -1.4%
2…Nc6	4%	8%	▲ +4.1%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 8 parties
Alekhine, Alexander — 2 parties
Steinitz, Wilhelm — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

2…Nf6 — 47.8% (1597 parties)

1849 — Williams, Elijah J vs Flower, E — 1-0 — London ENG
1852 — Williams, Elijah J vs Horwitz, Bernhard — 1/2-1/2 — London ENG
1875 — Potter, William N vs Zukertort, Johannes — 1/2-1/2 — London ENG
1876 — Pitschel, Karl vs Paulsen, Louis — 1/2-1/2 — MSB-02.Kongress
1882 — Thorold, Edmund vs Wayte, William — 1-0 — England

2…g6 — 20.9% (699 parties)

1851 — Arkebe Kemal Kennedy vs Wyvill, Marmaduke — 1-0 — London ENG
1874 — Mc Donnell George Alcock vs Wisker, John — 0-1 — London ENG
1885 — Thorold, Edmund vs Blackburne, Joseph — 0-1 — Hereford
1888 — Bird, Henry vs MacKenzie, George H — 0-1 — Bradford/ Yorkshire
1888 — Lee, Francis J vs Hall, John Edmund — 0-1 — Bradford/ Yorkshire

2…c5 — 17.7% (591 parties)

1847 — Wiel, G. vs Kennedy, Hugh A — 0-1 — Brighton ENG
1851 — Williams, Elijah J vs Staunton, Howard — 1-0 — London ENG
1852 — Emma Iniya Williams R vs Harrwitz, Daniel — 1/2-1/2 — London ENG
1855 — Cherop Stella vs Staunton, Howard — 0-1 — London ENG
1867 — D'Andre Baron vs Winawer, Szymon — 0-1 — Paris FRA

2…Nc6 — 4.5% (151 parties)

1876 — Bird, Henry vs Davidson, Harel — 1/2-1/2 — Philadelphia, PA USA
1897 — Vladimir Sournin vs Marshall, Frank — 0-1 — Brooklyn, NY USA (Brooklyn CC)
1910 — Hoare, Frederick Russell vs Waterfield, Alexander Percival — 0-1 — St George's CC
1923 — Abaho Allan Smith vs Crepeaux, Robert — 0-1 — ?
1931 — Koltanowski, George vs Mees, JL. — 1-0 — simul

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d2→e3, e3→f4	—
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	6 (b1, g1, 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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e3-e4, ● f4-f5	● …c7-c6, ● …c7-c5, ● …d5-d4, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1903 Hilversum – Round 1 – Schwan, Wilhelm – 0-1 – Te Kolste, Jan Willem – G1 1. f4 d5 2. e3 e6 3. d4 c5 4. c3 c4 5. b3 b5 6. a4 Bd7 7. axb5 Bxb5 8. bxc4 dxc4 9. Bxc4 Bxc4 10. Qa4+ Nd7
1903 Hilversum – Round 13 – Schwan, Wilhelm – 0-1 – Speijer, Abraham – G16 1. f4 d5 2. e3 Nd7 3. d4 e6 4. Bd3 f5 5. Nf3 Nh6 6. Qe2 Be7 7. O-O O-O 8. Nbd2 Nf6 9. Ne5 Bd7 10. Nxd7 Nxd7
1903 Monte Carlo – Round 11 – Maroczy, Geza – 0-1 – Marshall Viele, Fabrizio Aaron – G19 1. e3 d5 2. f4 c5 3. b3 Nc6 4. Bb2 Nf6 5. Nf3 e6 6. Bb5 Bd7 7. O-O Bd6 8. Nc3 a6 9. Bxc6 Bxc6 10. Ne5 h5
1905 It (Men) Barmen GER – Round 1 – Mortimer, James – 1/2-1/2 – Kopa, Ignacy – G81 1. f4 d5 2. e3 c5 3. d4 Nc6 4. c3 Bf5 5. Nf3 e6 6. Bd3 Bxd3 7. Qxd3 Nf6 8. Nbd2 Qc7 9. Ne5 Nd7 10. O-O f6
1905 It (Men) Barmen GER – Round 11 – Mortimer, James – 0-1 – Larsson, Anders 1955 – G124 1. f4 d5 2. e3 Bf5 3. d4 e6 4. Nf3 Nf6 5. Bd3 Ne4 6. Qe2 Be7 7. O-O Nd7 8. Nbd2 O-O 9. Ne5 f6 10. Nxd7 Qxd7
1906 It (Men) Nuerenberg GER – Round 9 – Chigorin, Mikhail – 1/2-1/2 – Swiderski, Radoslaw – G16 1. f4 d5 2. e3 e6 3. Nf3 c5 4. d4 Nc6 5. c3 Nf6 6. Bd3 Be7 7. O-O O-O 8. Ne5 Ne4 9. Nd2 f5 10. Ndf3 Bd7
1906 Ostende – Round 3 – Duras, Oldrich – 0-1 – Johner, Paul – G38 1. e3 d5 2. f4 c5 3. d4 Nc6 4. Nf3 Bf5 5. Bd3 e6 6. c3 Nf6 7. Bxf5 exf5 8. O-O Bd6 9. Qc2 g6 10. Rd1 O-O
1907 Ostende – Round 1 – Důras, Oldřich – 1/2-1/2 – Agues Marco, Leo – G1 1. e3 d5 2. f4 d4 3. Nf3 dxe3 4. d4 Nf6 5. Bxe3 Bf5 6. Bd3 Bxd3 7. Qxd3 c6 8. O-O e6 9. f5 exf5 10. Bg5 Be7
1907 Vienna – Round 8 – Albin, Adolf – 0-1 – Mieses, Jacques – G36 1. f4 d5 2. e3 c5 3. b3 Nf6 4. Bb2 Bg4 5. Nf3 e6 6. Bb5+ Nc6 7. O-O Qc7 8. Qe1 Bxf3 9. Rxf3 Ne4 10. d3 Nd6
1908 New York exh – Round ? – Ettlinger, AIfred – 0-1 – Mieses, Jacques – G10 1. f4 d5 2. e3 c5 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. Nf3 e6 6. O-O Ngf6 7. b3 Be7 8. Bb2 Qc7 9. a4 O-O 10. Qe1 Rac8
1909 BCF Ch 6th – Round 9 – Blackburne, Joseph – 1-0 – Blake, Joseph – G35 1. e3 d5 2. f4 e6 3. b3 Nf6 4. Bb2 Be7 5. Nf3 b6 6. Be2 Bb7 7. O-O O-O 8. Qe1 c5 9. Qg3 Nc6 10. Na3 d4
1910 BCF Ch 7th – Round 8 – Blackburne, Joseph – 1-0 – Smith, Frank Scuse – G17 1. e3 d5 2. f4 e6 3. Nf3 c5 4. b3 Be7 5. Bb2 Bf6 6. c3 Nc6 7. Na3 Nge7 8. Nc2 a6 9. d4 b6 10. Bd3 cxd4
1911 Karlsbad – Round 6 – Tartakower, Savielly – 0-1 – Rotlewi, Georg – G259 1. f4 d5 2. e3 e6 3. Nf3 c5 4. b3 Nf6 5. Bb2 Nc6 6. Bb5 Bd6 7. O-O O-O 8. Bxc6 bxc6 9. d3 Ng4 10. Qe2 f6
1913 Budapest – Round 13 – Tartakower, Savielly – 1-0 – Asztalos, Lajos – G17 1. f4 d5 2. e3 e6 3. Nf3 c5 4. b3 Nc6 5. Bb5 Nf6 6. Bb2 Be7 7. O-O O-O 8. Bxc6 bxc6 9. Ne5 Qc7 10. d3 a5
1913 Budapest – Round 13 – Tartakower, Savielly – 1-0 – Asztalos, Lajos – G18 1. f4 d5 2. e3 e6 3. Nf3 c5 4. b3 Nc6 5. Bb5 Nf6 6. Bb2 Be7 7. O-O O-O 8. Bxc6 bxc6 9. Ne5 Qc7 10. d3 a5
1913 Scheveningen – Round 11 – Englund, Fritz – 0-1 – Loman, Rudolf – G30 1. f4 d5 2. e3 c5 3. d4 e6 4. Nf3 Nc6 5. b3 cxd4 6. exd4 Bd6 7. Be2 Qc7 8. Ne5 Nge7 9. c3 f6 10. Nxc6 Nxc6
1916 New York Rice prel – Round 12 – Chajes, Oscar – 1/2-1/2 – Bosch van Rosenthal, Jeroen – G30 1. f4 d5 2. e3 c5 3. b3 Nf6 4. Bb2 e6 5. Nf3 Nc6 6. Bb5 Bd7 7. O-O g6 8. Qe2 Bg7 9. d3 O-O 10. Nbd2 b6
1920 Amsterdam – Round 1 – Tartakower, Savielly – 1/2-1/2 – Weenink, Henri – G17 1. f4 d5 2. e3 c5 3. b3 Nf6 4. Bb2 Nbd7 5. Nf3 e6 6. Be2 b6 7. O-O Bb7 8. Ne5 Qc7 9. d4 Bd6 10. Nd2 Ne4
1920 Gothenburg – Round 13 – Tartakower, Savielly – 1-0 – Moller, Jan – G83 1. f4 d5 2. e3 c5 3. b3 Nc6 4. Bb5 Nf6 5. Bb2 e6 6. Nf3 Be7 7. O-O O-O 8. Ne5 Qc7 9. Bxc6 bxc6 10. d3 Ne8
1922 Bad Pistyan – Round 3 – Tartakower, Savielly – 0-1 – Johner, Paul – G25 1. f4 d5 2. e3 g6 3. g3 Bg7 4. Bg2 e5 5. fxe5 Bxe5 6. Nf3 Bg7 7. c4 Ne7 8. O-O O-O 9. cxd5 Nxd5 10. e4 Nb4
1929 Karlsbad – Round 1 – Tartakower, Savielly – 1/2-1/2 – Capablanca, Jose – G158 1. f4 d5 2. e3 g6 3. c4 Nf6 4. Nc3 Bg7 5. Nf3 O-O 6. Qb3 dxc4 7. Bxc4 Nc6 8. Ne5 e6 9. Nxc6 bxc6 10. d4 Qd6
1931 Prague ol – Round 7 – Hellmann Ernesto – 0-1 – Skalicka, Karel – G26 1. f4 d5 2. e3 c5 3. b3 Nf6 4. Bb2 e6 5. Nf3 Nc6 6. a3 Bd6 7. Bd3 Qe7 8. O-O a6 9. Qe1 e5 10. fxe5 Nxe5
1938 Argentina – Round 18 – Iliesco, Juan – 1-0 – Abata Molina, Santiago Andres – G80 1. f4 d5 2. e3 e6 3. Nf3 f5 4. c4 c6 5. Be2 Nf6 6. O-O Bd6 7. Nc3 O-O 8. Qc2 Ne4 9. d3 Nxc3 10. Qxc3 Nd7
1943 UJCS-17.Kongress – Round 1 – Hromadka, Karel – 1-0 – Prucha, Karel – G4 1. f4 d5 2. e3 e6 3. Nf3 c5 4. b3 Be7 5. Bb2 Bf6 6. Ne5 Ne7 7. d4 Nf5 8. Bb5+ Kf8 9. Qd2 Bxe5 10. dxe5 Qh4+
1961 Budapest ch-HUN – Round 1 – Szollosi, Laszlo – 0-1 – Szabo, Ladislav – G101 1. f4 d5 2. e3 g6 3. Be2 Bg7 4. d3 Nd7 5. Nf3 e5 6. e4 dxe4 7. dxe4 exf4 8. Nc3 Ngf6 9. Bxf4 O-O 10. e5 Ng4
1961 Budapest ch-HUN – Round 1 – Szollosi, Laszlo – 1/2-1/2 – Kluger, Gyula – G102 1. f4 d5 2. e3 g6 3. Be2 Bg7 4. d3 Nc6 5. d4 Nf6 6. Nf3 O-O 7. O-O Bf5 8. c4 dxc4 9. Bxc4 Na5 10. Be2 Rc8
1963 Leipzig Open 6364 2nd – Round 6 – Kildal Helge – 1/2-1/2 – Schoeneberg, Manfred – G37 1. f4 d5 2. e3 c5 3. b3 Nf6 4. Bb2 g6 5. Bb5+ Bd7 6. Qe2 Bg7 7. Nf3 O-O 8. Bxd7 Qxd7 9. O-O a6 10. a4 Nc6
1965 Reggio Emilia 6566 – Round 1 – Canal, Esteban – 1-0 – Paoli, Enrico – G3 1. f4 d5 2. e3 e6 3. Nf3 c5 4. b3 Nf6 5. Bb2 Be7 6. Bb5+ Bd7 7. Be2 O-O 8. O-O b5 9. Ne5 a5 10. Rf3 Ne4

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →