Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	● aile roi 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v1), ● g4 (2v0), ● d5 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (2v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e, ● f	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bf5		● Bf5 Actif (mob. 9)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● b8, ● 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	—	● …c7-c5, ● …e7-e5

D00w — Blackmar-Diemer: Gunderam Defence

1.d4 d5 2.Nc3 Nf6 3.e4 dxe4 4.f3 exf3 5.Nxf3 Bf5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Ne5 (Cavalier centralisé en e5 — 68 % des parties) ; Bc4 (Fou actif (mobilité 9), Développer f1 — 24 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e6 (Solidifier le centre, libérer le fou — 81 % des parties) ; ...c6 (Renforcer le centre — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1955 Corr – Round ? – Diemer, Emil – 0-1 – Markwardt, Karl – G3 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Nh4 Bg4 7. Qd3 e5 8. dxe5 Nfd7 9. Qg3 Be7 10. Qxg4 Bxh4+
1955 Corr – Round ? – Kotek, Josef – 1-0 – Diemer, Emil – G2 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Bc4 e6 7. O-O Be7 8. Ne5 Bxc2 9. Nxf7 Kxf7 10. Qe2 Qd7
1955 Paris – Round 6 – Tartakower, Savielly – 1-0 – Ravn, Palle – G14 1. d4 Nf6 2. f3 d5 3. e4 dxe4 4. Nc3 exf3 5. Nxf3 Bf5 6. Bc4 e6 7. Ne5 Nbd7 8. Qe2 Nxe5 9. dxe5 Nd7 10. O-O Bc5+
1956 Corr – Round ? – Diemer, Emil – 0-1 – Gunderam, Gerhard – G2 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. Bg2 c6 9. h4 Bb4 10. O-O Bxc2
1958 Corr – Round 1 – Diemer, Emil – 0-1 – Gunderam, Gerhard – G1 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. h4 Bb4 9. Bg2 Nbd7 10. Qe2 Nxe5
1959 Corr – Round ? – Diemer, Emil – 0-1 – Gunderam, Gerhard – G5 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 h5 7. Bc4 e6 8. O-O Bg4 9. Qd3 Nbd7 10. h3 Nxe5
1959 Corr – Round ? – Diemer, Emil – 1-0 – Gunderam, Gerhard – G4 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. h4 Nbd7 9. h5 Be4 10. Nxe4 Nxe4
1959 Corr – Round ? – Diemer, Emil – 1-0 – Gunderam, Gerhard – G7 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Ne4 8. gxf5 Qh4+ 9. Ke2 Qf2+ 10. Kd3 Nc5+
1959 Corr – Round ? – Diemer, Emil – 1-0 – Gunderam, Gerhard – G8 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Ne4 8. Bb5+ c6 9. O-O Nxc3 10. bxc3 Bg6
1959 Corr – Round ? – Diemer, Emil – 1/2-1/2 – Gunderam, Gerhard – G6 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. h4 Bb4 9. Bg2 Nbd7 10. g5 Nxe5
1959 Corr – Round 1 – Diemer, Emil – 0-1 – Gunderam, Gerhard – G5 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Ne4 8. gxf5 Qh4+ 9. Ke2 Qf2+ 10. Kd3 Nc5+
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G10 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. h4 Nd5 9. Bg2 f6 10. Nxg6 hxg6
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G11 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Ne4 8. Bb5+ c6 9. O-O Nxc3 10. bxc3 Bg6
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G12 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. h4 Bd6 9. h5 Be4 10. Nxe4 Nxe4
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G6 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 h5 7. Bc4 e6 8. O-O g6 9. Qe2 Rh7 10. Bg5 Qxd4+
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G7 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 h5 7. Bc4 e6 8. O-O g6 9. Qe2 Qxd4+ 10. Kh1 Rh7
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G8 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 h5 7. Qf3 Qc8 8. Bc4 e6 9. Nxf7 Bg4 10. Qf2 Kxf7
1959 Corr – Round 1 – Diemer, Emil – 1-0 – Gunderam, Gerhard – G9 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 h5 7. Bc4 e6 8. O-O g6 9. Qe2 Bg7 10. Nxf7 Kxf7
1969 Corr – Round ? – Diemer, Emil – 1/2-1/2 – Gunderam, Gerhard – G1 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Ne4 8. Bb5+ c6 9. O-O Nxc3 10. bxc3 Bg6
1969 Corr – Round ? – Diemer, Emil – 1/2-1/2 – Gunderam, Gerhard – G2 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Ne5 e6 7. g4 Bg6 8. Bg2 c6 9. h4 Bb4 10. O-O Bxc2

D00w — Blackmar-Diemer: Gunderam Defence (1955)

1.d4 d5 2.Nc3 Nf6 3.e4 dxe4 4.f3 exf3 5.Nxf3 Bf5

Les coups candidats

6.Ne5 — 63.5% (840 parties)

Ambassadeurs : Diemer, Emil (69x), Gunderam, Gerhard (61x), Leisebein, Peter (57x), Gedult, David (35x), Sawyer, Timothy E (21x), Stummer, Kurt (13x), Schulz, Hans-Juergen (13x), Morales , Edgar Enrique (12x)

6.Bc4 — 25.6% (338 parties)

Ambassadeurs : Kunath, Emil (10x), Stock, Achim (7x), Motta, Paul S (4x), Rathmanner, Anton (4x), Stock, Manfred (4x), Sneiders E (4x), Hall III, Johnny Phillip (4x), Wolff, Patrick G (3x)

6.Bd3 — 6.5% (86 parties)

Ambassadeurs : Kunath, Emil (6x), Blankenberg, Bruno (5x), Sneiders, Pavels (2x), Stock, Achim (2x), Stock, Manfred (2x), Schumacher, Klaus (2x), Tornow, Michael (2x), Sneiders E (1x)

6.Bg5 — 1.1% (15 parties)

Ambassadeurs : Freidl, Alfred (2x), Van Deene, Gerard (1x), Adeyeye Joseph Palmer (1x), Herzog, Klaus (1x), Herzog, Adolf (1x), Schwertel, Gottfried (1x), Andre, Karl (1x), Lutterman (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Ne5	6.Bc4	6.Bd3	6.Bg5
<1800	82	44%	33%	15%	1%
1800-2200	292	55%	32%	8%	1%
2200-2600	59	68%	27%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Ne5	6.Bc4	6.Bd3	6.Bg5
1950s	33	61%	27%	—	3%
1960s	67	43%	49%	3%	3%
1970s	168	64%	27%	7%	1%
1980s	298	71%	23%	3%	1%
1990s	318	74%	19%	4%	1%
2000s	309	57%	26%	11%	1%
2010s	104	50%	33%	12%	2%
2020s	25	36%	32%	20%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Ne5	50%	36%	▼ -14.0%
6.Bc4	33%	32%	▼ -0.7%
6.Bd3	12%	20%	▲ +8.5%
6.Bg5	2%	4%	▲ +2.1%

Parties historiques

6.Ne5 — 63.5% (840 parties)

1952 — Diemer, Emil vs Boeckenhaupt, Rudi — 1-0 — Ludwigshafen
1956 — Diemer, Emil vs Yon, C. — 1-0 — Geneva SUI
1956 — Diemer, Emil vs Gunderam, Gerhard — 0-1 — ?
1956 — Van der Tak, Abraham C vs Verhoeff, Jan — 1-0 — Uitgeest
1958 — Bachl, E. vs Penk, Frantisek — 1-0 — cr.

6.Bc4 — 25.6% (338 parties)

1953 — Diemer, Emil vs Roy Zenil — 1-0 — Baden-Baden GER
1953 — Pfrang vs Rueb, Alexander — 1-0 — Munich GER
1953 — Gustavsson, Bo vs Ribeiro , Allysson — 1-0 — Sao Paulo BRA
1954 — Soller, Carl vs Ackermann, Aaron — 1-0 — Basel SUI
1955 — Eck, D. vs Heymer — 1-0 — GER

6.Bd3 — 6.5% (86 parties)

1962 — Goddard, O. vs Hill, LC. — 1-0 — cr.
1968 — Sneiders E vs Rathmann, Everett — 1-0 — corres I.BDG Weltt.
1971 — Wittmann, Walter vs Watzka, Horst — 1/2-1/2 — Graz AUT
1972 — Baumgartner, Walter vs Reitz, Gerhard — 0-1 — BDG thematic
1972 — Mueller, Gunter vs Stock, Manfred — 1-0 — BDG thematic

6.Bg5 — 1.1% (15 parties)

1958 — Van Deene, Gerard vs Adeyeye Joseph Palmer — 0-1 — Santa Monica, CA USA
1968 — Freidl, Alfred vs Herzog, Klaus — 0-1 — corr BDG1
1968 — Freidl, Alfred vs Herzog, Adolf — 0-1 — ?
1970 — Soller, Carl vs Moni, L. — 1-0 — corr BDGW1
1986 — Schwertel, Gottfried vs Andre, Karl — 1-0 — BDG thematic

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