C52t — Evans Gambit: Tartakower Attack, 8.dxe5 Bb6

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3 Qd7 8.dxe5 Bb6 * ○ Trait aux Blancs

Ouverture — Tension centrale

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nbd2 (Développer b1 — 62 % des parties) ; Bb5 (Clouer c6, Fou actif (mobilité 7) — 20 % des parties) ; a4 (7 % des parties) ; exd6 (Capture en d6 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Na5 (Menace b3 — 52 % des parties) ; ...dxe5 (Capture en e5, Occuper le centre — 23 % des parties) ; ...a6 (Préparer expansion aile dame — 14 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● e4, ● e5	—
Pions isolés	● a2, ● c3	—
Arriérés	—	—
Chaînes	—	● c7→d6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b4 (2v1), ● b5 (2v0), ● d5 (2v0), ● g5 (2v0)	● c5 (2v0)
Cases faibles	—	—
Centre	● d5 (2v0)	● e5 (2v1)

Colonnes et diagonales

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

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bc4	● Bc4 Actif (mob. 8)
Bb6		● Bb6 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	4 (● g8, ● 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	tension
Ruptures	● e5-e6	● …d6-d5, ● …f7-f6, ● …f7-f5

Partie
1946 Pittsburgh Open – Round 1 – Seidman, Herbert – 1-0 – Adams, Weaver – G89 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Nbd2 dxe5 10. Ba3 Nh6
1956 URS Ch sf – Round ? – Ragozin, Viacheslav – 0-1 – Mikenas, Vladas – G116 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Qc2 dxe5 10. Ba3 Nge7
1961 Debrecen – Round 9 – Ciocaltea, Victor – 0-1 – Pogats, Jozsef Jr. – G64 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Bd5 Na5 10. Qc2 c6
1961 Leicestershire Centenary – Round 5 – Barden, Leonard – 1/2-1/2 – Sanderson, P D – G12 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Nbd2 Na5 10. Qb4 Nxc4
1962 Erevan ch-URS – Round 1 – Mnatsakanian, Eduard A – 0-1 – Korelov, Alexander P – G140 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. exd6 Na5 10. Qb5 Nxc4
1963 Sverdlovsk – Round ? – Sokolsky, Alexey – 0-1 – Korelov, Alexander P – G17 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Nbd2 Na5 10. Qc2 Nxc4
1968 DDR Ch 17th – Round 14 – Moehring, Guenther – 1/2-1/2 – Brameyer, Hermann – G55 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Nbd2 Na5 10. Qa3 Nxc4
6. London Classic 2014 – Round 3.3 – Nakamura, Hikaru – 1/2-1/2 – Anand, Viswanathan – G6 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. a4 Na5 10. Qa2 Nxc4
Dortmund 1997 – Round 2 – Short, Nigel D – 1-0 – Huebner, Robert – G9 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 Bb6 9. Nbd2 Na5 10. Qb4 Nxc4

C52t — Evans Gambit: Tartakower Attack (1946)

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3 Qd7 8.dxe5 Bb6

Les coups candidats

9.Nbd2 — 61.8% (335 parties)

Ambassadeurs : Bohak, Janko (7x), Chylik, Rudolf (5x), Fritsche, Frank (4x), Grott, Peter (4x), Cafferty, Bernard (3x), Maeder, Karl-Heinz (3x), Carrizo, Jose Andres (3x), Husemann, Andreas (3x)

9.Bb5 — 19.7% (107 parties)

Ambassadeurs : Carretero de Jong, Antonio (4x), Harding, Tim D (2x), Penz, Harald (2x), Dalhuisen, Tiemen (2x), Axinn, David M (2x), Albano, Anthony (2x), Corbat, Philippe (2x), Bakhmatov, Eduard (1x)

9.a4 — 7.2% (39 parties)

Ambassadeurs : Chylik, Rudolf (2x), Galje, Hans (1x), Geemen, Jan van (1x), Galvin, John H. (1x), Wegelin, Reinhard (1x), Nakamura, Hikaru (1x), Anand, Viswanathan (1x), Ghysens, Dirk (1x)

9.exd6 — 6.3% (34 parties)

Ambassadeurs : Zuse, Peter (2x), Adler, Viktor (1x), Sakharov, Yuri N (1x), Mnatsakanian, Eduard A (1x), Korelov, Alexander P (1x), Levin, Mikhail (1x), Zamkovskaya, Violetta Aleks (1x), Pfleger, Helmut, Dr. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Nbd2	9.Bb5	9.a4	9.exd6
<1800	30	80%	10%	7%	3%
1800-2200	216	65%	18%	9%	6%
2200-2600	157	61%	15%	8%	8%
2600+	6	67%	—	33%	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Nbd2	9.Bb5	9.a4	9.exd6
1950s	6	33%	33%	—	17%
1960s	16	50%	12%	—	25%
1970s	7	71%	14%	—	14%
1980s	41	61%	24%	2%	10%
1990s	110	50%	43%	—	5%
2000s	126	79%	13%	—	2%
2010s	156	60%	14%	15%	6%
2020s	80	60%	8%	19%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Nbd2	60%	60%	+0.4%
9.Bb5	14%	8%	▼ -6.6%
9.a4	15%	19%	▲ +4.0%
9.exd6	6%	8%	▲ +1.1%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 1 partie

Parties historiques

9.Nbd2 — 61.8% (335 parties)

1951 — Barker, Malcolm Neil vs Marshall, Walter Charles — 1-0 — Birmingham ENG
1951 — Barker, Albert vs Marshall, Wilfred — 1-0 — Europe
1961 — Barden, Leonard vs Sanderson, P D — 1/2-1/2 — Leicestershire
1963 — Sokolsky, Alexey vs Korelov, Alexander P — 0-1 — ?
1966 — Cafferty, Bernard vs Van Hoogendoorn, P. — 1/2-1/2 — Hastings ENG

9.Bb5 — 19.7% (107 parties)

1955 — Cafferty, Bernard vs Adema, Marrit — 1/2-1/2 — ?
1956 — Martin, Raymond vs Blasco Rozas, Rafael — 1-0 — Oklahoma City, OK USA
1960 — Bakhmatov, Eduard vs Zurakhov, Vladlen Y — 1/2-1/2 — Kiev UKR
1960 — Eudey, Mark vs Gross, Henry — 0-1 — San Francisco, Ca
1974 — Chandon, Moet vs Bottlik, Ivan — 0-1 — ?

9.a4 — 7.2% (39 parties)

1985 — Galje, Hans vs Geemen, Jan van — 0-1 — ?
2010 — Spiegel, Wilfried vs Kögeler, Aart — 1-0 — ICCF
2011 — Ghysens, Dirk vs Clement, Paul — 1-0 — ICCF
2014 — Galvin, John H. vs Wegelin, Reinhard — 0-1 — ICCF
2014 — Nakamura, Hikaru vs Anand, Viswanathan — 1/2-1/2 — London ENG

9.exd6 — 6.3% (34 parties)

1959 — Levin, Mikhail vs Zamkovskaya, Violetta Aleks — 1/2-1/2 — Kiev UKR
1962 — Adler, Viktor vs Sakharov, Yuri N — 0-1 — Kiev UKR
1962 — Mnatsakanian, Eduard A vs Korelov, Alexander P — 0-1 — Erevan ch-URS
1964 — Pfleger, Helmut, Dr. vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Hamburg GER
1964 — Fischer, Robert J vs Parham, Fenner jr — 0-1 — New Orleans, LA USA