D56f — QGD: Lasker Defence, Teichmann, 9…c6

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7 9.Qc2 c6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte e5.

Côté adverse. Le fou enfermé en c8.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g5 et un avant-poste en e4.

Côté adverse. Le fou enfermé en f1 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● c6→d5, e6→d5, b7→c6, f7→e6, g7→h6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● g5 (3v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● e4 (2v1), ● e5 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	Non	Non
Non développées	3 (f1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1939 Bad Elster – Round 4 – Heinicke, Herbert – 1/2-1/2 – Eliskases, Erich – G11 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1939 Bad Oeynhausen ch-GER – Round 1 – Gilg, Karl – 0-1 – Eliskases, Erich – G9 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. Nc3 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Be2 Nd7
1939 Buenos Aires ol f-A – Round 15 – Van Scheltinga, Theo – 1/2-1/2 – Eliskases, Erich – G294 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Be2 Nd7
1939 Buenos Aires ol prel-A – Round 6 – Canete Espinola, Elber Victor – 1/2-1/2 – Bellod Thomas, Gonzalo – G24 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 f5
1941 Buenos Aires Circulo – Round 9 – Frydman, Paulino – 1/2-1/2 – Czerniak, Moshe – G32 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1941 GER Ch 8th – Round 12 – Ernst, Wilhelm – 1-0 – Lachmann, Hans G – G27 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 O-O 6. Nc3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1941 Mar del Plata – Round 9 – Frydman, Paulino – 1/2-1/2 – Eliskases, Erich – G76 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1946 Barcelona – Round 2 – Llorens Sepulveda, Marcelo – 1/2-1/2 – Pomar Salamanca, Arturo – G12 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 f5
1946 Hamburg Union – Round 13 – Lange, Wilfried – 0-1 – Kieninger, Georg – G18 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1946 Mar del Plata – Round 3 – De Souza Mendes, Joao – 1-0 – Pilnik, Herman – G44 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 f5
1946 Nottingham ch-BCF – Round 1 – Wood, Gabriel – 1-0 – Broadbent, Reginald – G8 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1947 Leningrad ch-URS – Round 1 – Bondarevsky, Igor – 1/2-1/2 – Tolush, Alexander – G21 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. Nc3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1947 Leningrad ch-URS – Round 4 – Yudovich, Mikhail M – 1/2-1/2 – Tolush, Alexander – G63 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1947 Mar del Plata – Round 9 – Blanco Cruz, Wara – 1-0 – Hounie Fleurquin, Carlos – G74 1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 f5
1947 Parnu – Round ? – Bondarevsky, Igor – 1/2-1/2 – Tolush, Alexander V – G76 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. Nc3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1948 Hastings Premier 1947/48 23rd – Round 5 – Spanjaard, Eduard – 0-1 – Muhring, Willem Jan – G5 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1948 Karlovy Vary – Round 6 – Vidmar, Marjeta – 1/2-1/2 – Pirc, Vasja – G62 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1949 Oldenburg – Round 4 – Wade, Robert G – 0-1 – Kieninger, Georg – G8 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Nxe4 dxe4
1950 DDR Ch – Round 17 – Krause, Kurt – 1/2-1/2 – Zirngibl, Albert – G35 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Be2 Nd7
1950 FRG Ch – Round 12 – Lehmann, Heinz – 0-1 – Staudte, Hans-Hilmar – G30 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1952 Saltsjobaden Interzonal – Round 10 – Averbakh, Yuri L – 1/2-1/2 – Kotov, Alexander A – G91 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1952 Saltsjobaden Interzonal – Round 18 – Geller, Efim P – 1/2-1/2 – Taimanov, Mark E – G167 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1952 Saltsjobaden Interzonal – Round 9 – Kotov Lundqvist, Alex – 1-0 – Pilnik, Herman – G84 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Be2 Nd7
1953 NRW Ch – Round 8 – Hantke Rolf – 1/2-1/2 – Lachmann, Hans G – G20 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1954 Amsterdam olm – Round 1 – Staahlberg, Gideon – 1/2-1/2 – Pirc, Vasja – G28 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Nxe4 dxe4
1954 DDR Ch 05th – Round 3 – Kahn, Manfred – 1/2-1/2 – Kirchhammer, Rudolf – G13 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1954 DDR Ch 05th – Round 8 – Fuchs, Reinhart – 1/2-1/2 – Kirchhammer, Rudolf – G41 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1956 Moscow olm fin-A – Round 5 – Dobkin, Iosef – 0-1 – Tsvetkov, Alexandar K – G68 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 c6 8. Qc2 Ne4 9. Bxe7 Qxe7 10. Bd3 Nxc3
1957 POL Ch 15th – Round 10 – Szukszta, Janus – 1/2-1/2 – Dworzynski, Roman – G13 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Rc1 Nd7
1958 Munich olm fin-A – Round 2 – Bisguier, Arthur B – 1/2-1/2 – Eliskases, Erich – G10 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Rd1 Nxc3
1959 OWL Ch – Round 7 – Galle, Wolfgang – 0-1 – Lachmann, Hans G – G15 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1961 IBM – Round 7 – Wolthuis, Willem – 1-0 – Bernstein, Olivia – G33 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1961 OWL Ch – Round 3 – Oestreich, Reinhard – 0-1 – Lachmann, Hans G – G3 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3
1963 Amsterdam m1 – Round 5 – Flohr, Salo – 1/2-1/2 – Bouwmeester, Hans – G9 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Nxe4 dxe4
1964 Pecs – Round 5 – Kozma, Julius – 1/2-1/2 – Paoli, Enrico – G4 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Rc1 Nxc3
1964 Zagreb – Round 9 – Udovcic, Mijo – 1-0 – Paoli, Enrico – G49 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. a3 Nxc3
1967 Zierikzee ch-NED – Round 2 – Langeweg, Kick – 1/2-1/2 – Bouwmeester, Hans – G17 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3

D56f — Lasker Defence Teichmann

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7 9.Qc2 c6

Eval: [+0.41]

Les coups candidats

10.Bd3 — 63.5% (120 parties)

Ambassadeurs : Bedouin, Xavier (5x), Lachmann, Hans G (4x), Frydman, Paulino (2x), Eliskases, Erich (2x), Canete Espinola, Elber Victor (2x), De Souza Mendes, Joao (2x), Pilnik, Herman (2x), Bondarevsky, Igor (2x)

10.Nxe4 — 17.5% (33 parties)

Ambassadeurs : Wade, Robert G (1x), Kieninger, Georg (1x), Trompowsky, Octávio (1x), da Silva Rocha, Adhemar (1x), Pallwitz, Otto (1x), Pietzsch, Wolfgang (1x), Haave, Einar (1x), Nielsen, Borge Hjerrild (1x)

10.Be2 — 8.5% (16 parties)

Ambassadeurs : Eliskases, Erich (2x), Gilg, Karl (2x), Brueder, M. (1x), Furlani, L. (1x), Van Scheltinga, Theo (1x), Eliskases (1x), Kauder, Hartmut (1x), Otto Arnold (1x)

10.a3 — 5.3% (10 parties)

Ambassadeurs : Bronstein, David I (1x), Klovans, Janis (1x), Udovcic, Mijo (1x), Paoli, Enrico (1x), Donnelly, Mike J Dr (1x), Lachmann, Helmut (1x), Addison, William Grady (1x), Acers, Jude (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Bd3	10.Nxe4	10.Be2	10.a3
<1800	2	50%	50%	—	—
1800-2200	47	70%	19%	2%	4%
2200-2600	65	71%	15%	3%	6%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Bd3	10.Nxe4	10.Be2	10.a3
1930s	8	38%	12%	50%	—
1940s	19	79%	21%	—	—
1950s	22	45%	18%	23%	—
1960s	12	50%	17%	—	25%
1970s	9	56%	—	22%	11%
1980s	9	78%	—	—	—
1990s	14	64%	29%	7%	—
2000s	56	70%	18%	4%	5%
2010s	34	62%	24%	6%	9%
2020s	6	83%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Bd3	62%	83%	▲ +21.6%
10.Nxe4	24%	0%	▼ -23.5%
10.Be2	6%	0%	▼ -5.9%
10.a3	9%	0%	▼ -8.8%

Parties historiques

10.Bd3 — 63.5% (120 parties)

1939 — Canete Espinola, Elber Victor vs Kerlin, G. — 1/2-1/2 — Buenos Aires ARG
1939 — Canete Espinola, Elber Victor vs Bellod Thomas, Gonzalo — 1/2-1/2 — Buenos Aires ol pr-A
1939 — Heinicke, Herbert vs Eliskases, Erich — 1/2-1/2 — Bad Elster
1941 — Frydman, Paulino vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1941 — Frydman, Paulino vs Czerniak, Moshe — 1/2-1/2 — Buenos Aires ARG

10.Nxe4 — 17.5% (33 parties)

1938 — Trompowsky, Octávio vs da Silva Rocha, Adhemar — 1/2-1/2 — Montevideo URU
1947 — Haave, Einar vs Nielsen, Borge Hjerrild — 1/2-1/2 — tx DEN-NOR
1949 — Wade, Robert G vs Kieninger, Georg — 0-1 — ?
1949 — Pallwitz, Otto vs Pietzsch, Wolfgang — 0-1 — Bad Klosterlausnitz
1949 — Trifunovic, Peter vs Najdorf, M. — 1/2-1/2 — Opatija

10.Be2 — 8.5% (16 parties)

1938 — Brueder, M. vs Furlani, L. — 1-0 — Ljubljana
1939 — Van Scheltinga, Theo vs Eliskases, Erich — 1/2-1/2 — Buenos Aires ARG
1939 — Gilg, Karl vs Eliskases — 0-1 — Bad Oeynhausen GER
1939 — Gilg, Karl vs Eliskases, Erich — 0-1 — Bad Oeynhausen ch-GER
1950 — Kauder, Hartmut vs Otto Arnold — 1/2-1/2 — Soemmerda GER

10.a3 — 5.3% (10 parties)

1963 — Bronstein, David I vs Klovans, Janis — 1/2-1/2 — Almaty
1964 — Udovcic, Mijo vs Paoli, Enrico — 1-0 — Zagreb CRO
1968 — Donnelly, Mike J Dr vs Lachmann, Helmut — 0-1 — Whitby
1971 — Addison, William Grady vs Acers, Jude — 1-0 — Berkeley
2002 — Medic, Miljenko vs Rodgaard, John — 1/2-1/2 — Bled SLO

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