Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c6
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● b7→c6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● e4 (2v1), ● g4 (2v0), ● d5 (3v1)
Cases faibles	● d3	—
Centre	● d4 (3v1), ● e5 (2v0)	● d5 (3v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 3)
Bf5		● Bf5 Actif (mob. 10)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	3 (● 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	mobile
Ruptures	● d4-d5	● …c6-c5, ● …e7-e5

D18b — Slav: Dutch, Lasker Variation

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 Na6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bxc4 (Fou actif (mobilité 10), Développer f1 — 100 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nb4 (93 % des parties) ; ...e6 (Solidifier le centre, libérer le fou — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1925 Moscow – Round ? – Verlinsky, Boris – 0-1 – Lasker, Emanuel – G182 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Ne5 O-O
1925 Moscow – Round 1 – Werlinski, W. – 0-1 – Lasker, Emanuel – G14 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Ne5 O-O
1926 Lake Hopatcong – Round 8 – Lasker, Edward – 0-1 – Maroczy, Geza – G16 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Ne5 Be7 10. Qe2 Bg6
1929 Rogaska Slatina - Round 13 - Saemisch, Friedrich - 1-0 - Brinckmann, Alfred - G45 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. e4 Bg4
1931 DSB-27.Kongress – Round ? – Bogoljubow, Efim – 1/2-1/2 – Mieses, Jacques – G59 1. Nf3 c6 2. c4 d5 3. d4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. Ne5 e6 9. O-O Be7 10. f3 Nd7
1931 Kautsky mem8 – Round 1 – Flohr, Salo – 1-0 – Jirov Katz, Maayan – G1 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. e4 Bg4
1931 Kautsky mem8 – Round 1 – Richter, Emil – 1-0 – Opocensky, Karel – G2 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Nbd5 10. Ne5 Bb4
1931 Nice – Round 1 – Baratz, Abraham – 1/2-1/2 – Mieses, Jacques – G2 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Bd2 O-O
1931 Nice – Round 3 – Thomas, George Alan – 1/2-1/2 – Mieses, Jacques – G8 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Bd2 O-O
1931 Prague ol – Round 3 – Marshall Viele, Fabrizio Aaron – 0-1 – Steiner, Laszlo – G6 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Ne5 h6
1931 Prague ol Prague CZE – Round 7 – Steiner, Heinrich Jun. – 1-0 – Lundin, Erik – G24 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Rd1 O-O
1932 Swinemunde – Round 2 – Saemisch, Friedrich – 1/2-1/2 – Mieses, Jacques – G4 1. d4 Nf6 2. c4 d5 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Bg4 10. Rd1 Qa5
1932 Swinemunde – Round 4 – Saemisch, Friedrich – 1/2-1/2 – List, Paul – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Ne5 Nd7
1933 GER Ch 1st – Round 3 – Bogoljubow, Efim – 1-0 – Schories, Georg – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. Ne5 e6 9. O-O Bd6 10. Qe2 Bxe5
1936 Budapest HUN – Round ? – Gereben, Erno – 1-0 – Oszkar – G30 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. e4 Bg6
1936 Trebitsch mem19 – Round 11 – Glass, Eduard – 0-1 – Füster, Géza – G30 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. Ne5 e6 9. O-O Bd6 10. Qe2 c5
1936 Trebitsch mem19 – Round 8 – Keller, Hans – 0-1 – Füster, Géza – G24 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. Ne5 e6 9. O-O Bd6 10. f4 O-O
1937 Birmingham – Round 11 – Winter, William – 1-0 – Aldis, Ralph Lancelot – G20 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 h6 10. e4 Bh7
1937 Prague – Round 5 – Trifunovic, Petar – 1-0 – Prokop, Frantisek – G26 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. Ne5 e6 9. O-O Bd6 10. Qe2 Qc7
1937 Teplitz-Schoenau – Round 2 – Saemisch, Friedrich – 1-0 – Rethy, Pal – G6 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Bg4 10. Rd1 Be7
1942 Mar del Plata – Round 12 – Espina, Carlos – 1-0 – Maderna, Carlos – G103 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. Ne5 e6 9. Nd3 Qa5 10. O-O O-O-O
1946 Buenos Aires ch-ARG – Round 1 – Bolbochan, J. – 1/2-1/2 – Maderna – G6 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. Ne5 O-O
1946 USA Ch New York, NY USA – Round 1 – Di Camillo, Attilio – 1-0 – Ulvestad, Olaf – G58 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Nbd5 10. Bd3 Bg4
1949 BUL Ch – Round 12 – Bobotsov, Milko G – 1-0 – Benderev, Yurij – G57 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. b3 Nbd5 10. Bb2 Bg4
1956 URS Ch sf – Round ? – Borisenko, Georgy K – 1/2-1/2 – Matskevich, Avshalom – G25 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. e4 Bg4
1960 Nimzowitsch Memorial – Round 1 – Geller, Efim P – 1-0 – Pietzsch, Wolfgang – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 e6 8. O-O Nb4 9. Qe2 Be7 10. Ne5 a5
1960 Paignton Premier 10th – Round 5 – Barden, Leonard – 1/2-1/2 – Harris, Peter A – G18 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Be7 10. e4 Bg4
1962 New York ch-USA – Round 7 – Byrne, Ray – 1/2-1/2 – Steinmeyer, Robert – G36 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Bg4 10. Rd1 Be7
1963 Bad Liebenstein – Round 12 – Szily, Jozsef – 1/2-1/2 – Minev, Nikolay N – G81 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Nbd5 10. Bd3 Bg4
1963 Corr – Round ? – Korning, Peter – 1-0 – Laursen Lau – G6 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Nbd5 10. Ne5 Nxc3
1966 La Habana olm fin-A – Round 8 – Gheorghiu, Florin – 1-0 – Minev, Nikolay N – G139 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Nbd5 10. Ne5 Be7
1967 DSV-Turnier – Round 10 – Kozma, Julius – 1-0 – Calero Nino, Camilo – G58 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Bg4 10. Rd1 Qa5
1969 DSV-Turnier – Round 11 – Zinn, Lothar – 0-1 – Schoeneberg, Manfred – G52 1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qd2 Nbd5 10. Ne5 Bd6
1969 Schwerin – Round 17 – Kuettner, Uwe – 0-1 – Schoeneberg, Manfred – G106 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Qe2 Nbd5 10. Ne5 Bd6
1969 WchT U26 fin-A 16th – Round 6.2 – Bjerre, Troels – 0-1 – Schoeneberg, Manfred – G41 1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. O-O e6 9. Ne5 Bd6 10. f3 Bxe5

D18b — Czech Variation, Lasker Variation (1925)

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 Na6

Les coups candidats

7.Bxc4 — 99.4% (161 parties)

Ambassadeurs : Minev, Nikolay N (3x), Schoeneberg, Manfred (3x), Boehnisch, Manfred (3x), Shabalov, Alexander (3x), Abanin, Vladimir (2x), Kuettner, Uwe (2x), Panchenko, Alexandar G (2x), Krischke, Arnold (2x)

7.Ne5 — 0.6% (1 parties)

Ambassadeurs : Guo, Qi (1x), Wang, Yu A. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bxc4	7.Ne5
<1800	9	100%	—
1800-2200	69	100%	—
2200-2600	57	98%	2%

Évolution par décennie (% des parties)

Décennie	N parties	7.Bxc4	7.Ne5
1950s	7	100%	—
1960s	15	100%	—
1970s	5	100%	—
1980s	11	100%	—
1990s	19	100%	—
2000s	49	100%	—
2010s	51	98%	2%
2020s	5	100%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bxc4	98%	100%	▲ +2.0%
7.Ne5	2%	0%	▼ -2.0%

Parties historiques

7.Bxc4 — 99.4% (161 parties)

1951 — Enevoldsen, Harald vs Hjorth, Sune — 1-0 — Halmstad
1953 — Lilienthal, Andor vs Abanin, Vladimir — 1/2-1/2 — Moscow RUS
1953 — Flohr, Salo vs Abanin, Vladimir — 0-1 — Moskou
1956 — Borisenko, Georgy K vs Matskevich, Avshalom — 1/2-1/2 — Kharkov UKR
1958 — Malich, Burkhard, Dr. vs Minev, Nikolay N — 1/2-1/2 — Kienbaum

7.Ne5 — 0.6% (1 parties)

2010 — Guo, Qi vs Wang, Yu A. — 1/2-1/2 — Guangzhou CHN

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