E23f — Nimzo-Indian: Spielmann, Carlsbad Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxd2 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (4v2), case forte b5, colonne d.
Faiblesses adverses : arriéré d7, Bc8 enfermé, roi noir au centre, knight d2 en prise.
Problèmes : roi au centre, Bf1 enfermé, 3 pièces non développées (F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● h3 — Empêcher ...Bg4
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), Bb4 actif, paire de fous, colonne c.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre, pawn c5 en prise.
Problèmes : roi au centre, Bc8 enfermé, arriéré d7, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E23f — Spielmann Carlsbad Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxd2

Eval: [+0.05]

Les coups candidats

8.Nxd2 — 99.7% (315 parties)

Ambassadeurs : Riedel, Wolfgang (7x), Aczel, Gergely (7x), Spielmann, Rudolf (5x), Michell, Reginald (4x), Stahlberg, Gideon (4x), Soppe, Guillermo (4x), Valkova, Angelika (4x), Alekhine, Alexander (3x)

8.Kxd2 — 0.3% (1 parties)

Ambassadeurs : Kopylov, Oleg (1x), Goriachkin, Viktor (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nxd2	8.Kxd2
1800-2200	55	98%	2%
2200-2600	129	100%	—
2600+	7	100%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Nxd2	8.Kxd2
1920s	9	100%	—
1930s	36	100%	—
1940s	14	100%	—
1950s	6	100%	—
1960s	15	100%	—
1970s	12	100%	—
1980s	25	100%	—
1990s	47	100%	—
2000s	44	100%	—
2010s	63	98%	2%
2020s	45	100%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nxd2	98%	100%	▲ +1.6%
8.Kxd2	2%	0%	▼ -1.6%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 3 parties
Euwe, Max — 3 parties
Tal, Mikhail — 2 parties

Parties historiques

8.Nxd2 — 99.7% (315 parties)

1925 — King, Eduard Norman vs Alekhine, Alexander — 0-1 — Hastings ENG
1926 — Norman, George vs Alekhine, Alexander — 0-1 — Hastings ENG
1926 — Havasi, Kornel vs Prokes, Ladislav — 1-0 — Budapest HUN
1928 — Gruenfeld, Ernst vs Steiner, Lajos — 1-0 — Berlin GER
1929 — Schaefer de Eguia, Aik vs Breuer, Achim — 0-1 — cr.

8.Kxd2 — 0.3% (1 parties)

2014 — Kopylov, Oleg vs Goriachkin, Viktor — 0-1 — Irkutsk

	♔ Blancs	♚ Noirs
Pions doublés	● c4, ● c5	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 4v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	—	—
Centre	● d5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	Non	● Oui
Non développées	3 (f1, a1, h1)	3 (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	semi-ouvert
Ruptures	● e2-e3	● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1925 Hastings – Round 7 – King, Eduard Norman – 0-1 – Alekhine, Alexander – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 Bxc5 10. Be2 b6
1926 Budapest – Round 14 – Havasi, Kornel – 1-0 – Prokes, Ladislav – G78 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. Nde4 Be7 10. Rd1 O-O
1928 Berlin Cafe Koenig – Round 3 – Gruenfeld, Ernst – 1-0 – Steiner, Lajos – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Be2 d5
1929 Karlsbad – Round 1 – Johner, Paul – 1-0 – Saemisch, Friedrich – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. O-O-O f5 10. e3 Bxc5
1929 Karlsbad – Round 1 – Spielmann, Rudolf – 1-0 – Colle, Edgar – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 Bxc5 10. Be2 O-O
1929 Karlsbad – Round 1 – Spielmann, Rudolf – 1-0 – Johner, Paul – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 O-O 10. O-O-O Bxc5
1929 Karlsbad – Round 1 – Spielmann, Rudolf – 1-0 – Saemisch, Friedrich – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. O-O-O Qa5 10. a3 Bxc5
1930 Liege – Round 5 – Pleci, L. – 0-1 – Sultan Khan, Mir – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 O-O 10. Be2 Bxc5
1931 Blitz Match – Round 16 – Naegeli, Oskar – 0-1 – Kashdan, Isaac – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 O-O 10. Be2 Bxc5
1934 Zuerich – Round 1 – Euwe, Max – 1/2-1/2 – Nimzowitsch, Aron – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 b6 10. O-O-O Bb7
1935 Hastings3536 – Round 2 – De Winter Gallegos, Willy – 1/2-1/2 – Golombek, Harry – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Qa5 9. e3 O-O 10. Be2 Qxc5
1935 Hastings3536 – Round 3 – Fine, Richard Alvaro Adrien – 1-0 – Michell, Reginald – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. O-O-O f5
1935 Tatatovaros – Round 14 – Havasi, Kornel – 1/2-1/2 – Mueller, Hans – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Nde4 Qe7
1935 Warsaw POL – Round 10 – Naegeli, Oskar – 0-1 – Steiner, Lajos – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. Nf3 O-O 10. g3 Bxc5
1936 New York ch-USA – Round 4 – Denker, Arnold S – 0-1 – Kashdan, Isaac – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 Bxc5 10. O-O-O O-O
1937 POL Ch – Round 9 – Stahlberg, Gideon – 1-0 – Lowtzky, Mojsesz – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 f5 10. Be2 Bxc5
1937 Trebitsch mem3738 – Round 2 – Steiner, Lajos – 1/2-1/2 – Adam, Hermann – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. Nde4 Be7 10. O-O-O O-O
1938 Bad Elster – Round 5 – Eliskases, Erich – 0-1 – Bogoljubow, Efim – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 O-O 10. Be2 Bxc5
1939 Buenos Aires ol f-B – Round 10 – Hounie Fleurquin, Carlos – 0-1 – Asgeirsson, Asmundur – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 f5 10. Be2 O-O
1940 New York ch-USA – Round 16 – Hanauer, Milton Loeb – 1/2-1/2 – Seidman, Herbert – G93 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 Bxc5 10. O-O-O b6
1941 Munich – Round 1 – Kreisser – 0-1 – Unzicker, Ferdinand, Dr. – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. Nf3 Nc6 6. dxc5 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 O-O 10. Be2 Bxc5
1945 Mar del Plata – Round 1 – Najdorf, Miguel – 1/2-1/2 – Bolbochan, J. – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 Qa5 10. a3 Bxc5
1946 Helsinki – Round 5 – Ojanen, Kaarle S – 1/2-1/2 – Laisaari, M. – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Qa5 9. e3 Bxc5 10. Be2 f5
1949 BUL-CSR Sofia BUL – Round 2 – Alster, Ladislav – 1/2-1/2 – Piskov, Kamen – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 f5 10. O-O-O Bxc5
1949 Trencianske Teplice – Round 14 – Pachman, Ludek – 1/2-1/2 – Bolbochan, J. – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 Bxc5 10. Be2 Qa5
1949 Zagreb ch-YUG – Round 8 – Trifunovic, Petar – 1/2-1/2 – Pirc, Vasja – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. g3 f5 10. Bg2 O-O
1950 Amsterdam – Round 11 – Reshevsky, Samuel – 1/2-1/2 – Pirc, Vasja – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Be2 f5
1951 Hastings5152 – Round 6 – Donner, Jan-Hein – 1-0 – Golombek, Harry – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. Nde4 Qb6 10. Nxc5 Qxc5
1952 Mar del Plata – Round 2 – Reinhardt, Enrique – 1-0 – Wexler, Bernardo – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. O-O-O f5
1962 Erevan ch-URS – Round 1 – Mikenas, Vladas – 1-0 – Tal, Mikhail – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Be2 b6
1962 GDR Ch Gera GER – Round 8 – Baumbach, Friedrich, Dr. – 1-0 – Fuchs, Reinhart – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. g3 b6 10. Bg2 Bb7
1962 It Bamberg GER – Round 5 – Pfleger, Helmut, Dr. – 1/2-1/2 – Parma, Bruno – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Be2 f5
1962 URS Team Ch – Round 1 – Korelov, Alexander P – 1/2-1/2 – Saigin, Ian – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 O-O 9. e3 Qa5 10. Qc2 Qxc5
1963 Asztalos Memorial – Round 7 – Barczay, Laszlo – 0-1 – Tal, Mikhail – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Be2 b6
1963 Bad Liebenstein – Round 4 – Baumbach, Friedrich, Dr. – 0-1 – Balcerowski, Witold – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 Bxc5 9. e3 O-O 10. Nde4 Bb4
1968 WchT U26 – Round 1 – Pfleger, Helmut, Dr. – 1-0 – Sigurjonsson, Gudmundur – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 9. e3 Bxc5 10. g3 b6

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