Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● f4, ● f7
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	● aile roi 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v1), ● e5 (1v0)	● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● f	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc4	● Bc4 Actif (mob. 9)
Be7		● Be7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	4 (● b8, ● 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	mobile
Ruptures	—	● …d7-d5

C35b — KGA: Cunningham, Euwe Defence

1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e5 (Occuper le centre — 65 % des parties) ; Nc3 (Développer b1 — 27 % des parties) ; d3 (Solidifier le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Ng4 (58 % des parties) ; ...Nxe4 (Cavalier centralisé en e4 — 20 % des parties) ; ...d5 (Occuper le centre — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
? 2000 – Round ? – Morozovich, Alexander – 0-1 – Piket, Jeroen – G95 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 d6 7. exd6 Qxd6 8. d4 O-O 9. O-O c6 10. Ne4 Qg6
1945 Moskou ch-URS – Round 1 – Bronstein, David I – 1-0 – Koblencs, Alexander – G102 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. O-O d6 7. exd6 Qxd6 8. d4 O-O 9. Nc3 Ne3 10. Bxe3 fxe3
1947 Nt Essen GER – Round 10 – Malitzki – 1/2-1/2 – Unzicker, Wolfgang – G19 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Bxd5 Qxd5 8. Bxf4 O-O 9. O-O Bg4 10. Nc3 Qa5
1948 GER Ch Essen GER – Round 12 – Teschner, Rudolf – 0-1 – Sahlmann, Walter – G18 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Bxf7+ Kxf7 7. Nxe4 d5 8. Ne5+ Kf8 9. Nc3 Nc6 10. Nxc6 bxc6
1948 South Fallsburg ch-USA – Round 1 – Santasiere, Anthony – 1/2-1/2 – Sandrin Chodorge, Antoine – G77 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 d6 7. d4 dxe5 8. dxe5 Qxd1+ 9. Nxd1 g5 10. h3 Ne3
1949 Gambit CC Ch – Round 7 – Oaker, William R – 1/2-1/2 – Anderson, Frank Ross – G7 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Bxd5 Qxd5 8. Bxf4 O-O 9. Nc3 Qd8 10. O-O Bd6
1950 Hungary – Round 1 – Honfi, Gyorgy – 1/2-1/2 – Pogats, Jozsef Jr. – G65 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Bxd5 Qxd5 8. Bxf4 O-O 9. O-O Bf6 10. d4 c5
1950 Moskou ch-URS – Round 1 – Keres, Paul – 0-1 – Alatortsev, Vladimir N. – G83 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. O-O Nc6 7. d4 d5 8. exd6 Bxd6 9. Nc3 O-O 10. Ne2 Ne3
1951 Chigorin Memorial – Round 1 – Lutikov, Anatoly S – 0-1 – Estrin, Yakov – G9 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. d4 d5 7. Bd3 Bh4+ 8. Ke2 Nf2 9. Qe1 Nxd3 10. Qxh4 Nxc1+
1951 Stevenson Memorial 3rd – Round 5 – Ravn, Palle – 0-1 – O'Kelly de Galway, Alberic – G7 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. O-O Nc6 7. d4 d5 8. exd6 Bxd6 9. Re1+ Ne7 10. h3 Nf6
1952 Budapest – Round 1 – Bakos, Nandor – 0-1 – Negyesy, Gyorgy – G17 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. O-O d6 7. exd6 Qxd6 8. Qe2 Nc6 9. h3 Nge5 10. Bb5 Nxf3+
1952 Hoogovens – Round 3 – Rellstab, Ludwig – 1-0 – Bouwmeester, Hans – G21 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Bxd5 Qxd5 8. Bxf4 O-O 9. O-O c5 10. Nc3 Qd8
1952 Hoogovens – Round 8 – Kostic, Barbara – 1/2-1/2 – O'Kelly de Galway, Alberic – G38 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Bxd5 Qxd5 8. Bxf4 c5 9. O-O Nc6 10. Nc3 Qh5
1953 BUL-DDR m – Round 2.3 – Budrich, Edmund – 1/2-1/2 – Neikirkh, Oleg – G13 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Nxe4 d5 7. Bd3 dxe4 8. Bxe4 f5 9. Bd3 Be6 10. Qe2 Qd6
1953 Hastings5354 – Round 4 – Horne, Dennis Morton – 1-0 – Olafsson, Fridrik – G18 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. d4 d5 7. exd6 Qxd6 8. Nc3 Be6 9. Bd3 Ne3 10. Qe2 Nc6
1954 DDR Ch U20 – Round 15 – Zinn, Lothar – 0-1 – Reichenbach, Werner – G70 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Nxe4 d5 7. Bb3 dxe4 8. Ne5 O-O 9. Qh5 Be6 10. Bxe6 fxe6
1954 URS Team Ch – Round 11 – Kopaev, Nikolay A – 1-0 – Veltmander, Iogannes – G201 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Bxf7+ Kxf7 7. Nxe4 Rf8 8. O-O Kg8 9. d4 d5 10. Nf2 Nc6
1955 Clare Benedict Cup – Round 1.2 – Wade, Robert G – 0-1 – Bouwmeester, Hans – G4 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 Nc6 7. d4 d5 8. Nxd5 Bh4+ 9. Kf1 Na5 10. b3 c6
1955 Hungary Ch – Round 1 – Honfi, K. – 1-0 – Pogats, Jozsef Jr. – G50 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Ne5 Nd6 7. Bb3 Nc6 8. d4 O-O 9. Bxf4 Na5 10. Qd3 Nxb3
1957 FRG Ch Bad Neuenahr – Round 4 – Scheipl, Ralf – 1/2-1/2 – Unzicker, Wolfgang – G12 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Nh5 6. Nc3 d6 7. O-O O-O 8. d4 Nc6 9. d5 Nb4 10. Ne1 g6
1957 POL Ch 15th – Round 16 – Dworzynski, Roman – 0-1 – Dzieciolowski, Adam – G22 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 Bh4+ 7. Kf1 O-O 8. Nd5 c6 9. Nxf4 d6 10. exd6 Qxd6
1958 Buenos Aires – Round 14 – Puiggros, Guillermo – 0-1 – Shocron, Ruben – G18 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. O-O Nc6 7. d4 d5 8. Bd3 g5 9. c3 h5 10. b4 Be6
1958 Munchen olm – Round 1 – McLoyd – 0-1 – Kostro, Jerzy – G18 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 Nc6 7. d4 d6 8. Bxf4 dxe5 9. dxe5 Qxd1+ 10. Rxd1 Bc5
1958 Munich olm prel – Round 3 – MacLeod, Norman – 0-1 – Kostro, Jerzy – G71 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 Nc6 7. d4 d6 8. Bxf4 dxe5 9. dxe5 Qxd1+ 10. Rxd1 Bc5
1958 Olympiad Munich GER – Round 5 – Bronstein, David I – 1-0 – Lemoine, Charlotte – G5 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 d6 7. exd6 Bxd6 8. Qe2+ Qe7 9. Qxe7+ Bxe7 10. d4 Bd6
1960 Leipzig olm fin-B – Round 10 – Jensen, Erik Bartram – 0-1 – Ader Hausman, Walter – G134 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. d4 Ne3 7. Bxe3 fxe3 8. O-O O-O 9. Nc3 d6 10. Qd3 Nc6
1960 URS Ch sf – Round 17 – Tolush, Alexander V – 0-1 – Vistaneckis, Isakas – G134 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Bxf7+ Kxf7 7. Nxe4 Nc6 8. d4 d5 9. Nf2 Bd6 10. O-O Rf8
1961 Vrnjacka Banja ct women – Round 15 – Lazarevic, Milunka – 1-0 – Ladanyike-Karakas, Eva – G80 1. f4 e5 2. e4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Nh5 6. O-O O-O 7. d4 d5 8. Bd3 c5 9. Ng5 Bxg5 10. Qxh5 g6
1961 Warsaw-Budapest m – Round ? – Sydor, Andrzej – 0-1 – Ozsvath, Andras – G26 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Ne5 Nd6 7. Bb3 Nc6 8. d4 O-O 9. O-O Nxe5 10. dxe5 Nf5
1962 Hastings II – Round 3 – Dahl Schutt, Frederik – 1/2-1/2 – Brinck-Claussen, Bjorn – G7 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. O-O O-O 8. Nc3 Ne3 9. Bxe3 fxe3 10. Qe2 Nc6
1962 Stockholm int. turneringen – Round 8 – Skold, Kristian – 1/2-1/2 – Olsson, Ake – G12 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 d6 7. d4 dxe5 8. dxe5 Bf5 9. Qe2 Ne3 10. Bxe3 fxe3
1962 Varna olm – Round 8 – Filipowicz, Andrzej – 1/2-1/2 – Thorvaldsson, Jonas – G369 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ne4 6. Qe2 d5 7. exd6 Nxd6 8. Bb3 O-O 9. O-O Nc6 10. c3 Re8
1963 Buenos Aires ch-ARG – Round 17 – Kampelmacher – 1-0 – Alonso-Lej De Las Casas, Fernando – G86 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 O-O 6. d3 c6 7. Bxf4 d5 8. Bb3 dxe4 9. dxe4 Qb6 10. Qe2 Na6
1964 POL-ch21 Warsaw POL – Round 13 – Filipowicz, Andrzej – 1/2-1/2 – Sliwinski, Henryk – G32 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. O-O Nc6 7. d4 d5 8. exd6 Bxd6 9. Nc3 O-O 10. Ne4 Nf6
1965 Corr SSV-75 – Round ? – Steiner, Thomas – 0-1 – Bondarevsky, Igor – G14 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Nc3 d6 7. d4 dxe5 8. dxe5 Qxd1+ 9. Nxd1 Be6 10. Bxe6 fxe6
1965 POL Ch 22th – Round 1 – Filipowicz, Andrzej – 1-0 – Brzozka, Stefan – G6 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Qe2 d5 6. exd5 Nxd5 7. Nc3 Nxc3 8. bxc3 O-O 9. O-O Bd6 10. d4 Nd7
1967 OWL Ch – Round 11 – Soelter, Reinhold – 1/2-1/2 – Groenegress, Wilfried – G25 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 Nxe4 6. Ne5 Ng5 7. d4 d6 8. Nd3 Ne6 9. Nxf4 Nxf4 10. Bxf4 Bf5
1967 Szczecin ch POL – Round 8 – Filipowicz, Andrzej – 1/2-1/2 – Sliwa, Bogdan – G39 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. Qe2 d5 7. Bb3 Be6 8. d4 Bh4+ 9. Kf1 Ne3+ 10. Bxe3 fxe3
Saint Louis Blitz 2022 – Round 15.1 – Nepomniachtchi, Ian – 1/2-1/2 – Caruana, Fabiano – G71 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Nh5 6. Nc3 O-O 7. d4 d6 8. O-O Bg4 9. h3 Be6 10. d5 Bf5

C35b — Cunningham Defense, McCormick Defense (1945)

1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6

Les coups candidats

5.e5 — 61.3% (613 parties)

Ambassadeurs : Hebden, Mark L (17x), Gallagher, Joseph G. (8x), Filipowicz, Andrzej (6x), Horne, Dennis Morton (3x), Tarmak, Mart (3x), Franke, Claus-Peter (3x), Trani, Francesco (3x), Timmerman, Gert (3x)

5.Nc3 — 28.3% (283 parties)

Ambassadeurs : Lacroix, Serge (5x), ? (3x), Milner Barry, Philip (2x), Oechslein, Rainer (2x), Korchnoi, Viktor (2x), Doehner, Hans-Juergen (2x), Hoppensack, Manfred (2x), Wall, Bill (2x)

5.d3 — 7.7% (77 parties)

Ambassadeurs : Kellner, John Vincent (1x), De Carbonnel, Heinz (1x), Honfi, Karoly (1x), Pogats, Jozsef Jr. (1x), Kostic, Boris (1x), O'Kelly, Albéric de Galway (1x), Staudte, Hans-Hilmar (1x), Schmidt, Paul (1x)

5.Qe2 — 1.2% (12 parties)

Ambassadeurs : Filipowicz, Andrzej (2x), Milde, Lars (2x), Heuer, Valter (1x), Uusi, Gunnar (1x), Brzozka, Stefan (1x), Lengyel, Levente (1x), Shalnev, Nikolai (1x), Soprinov (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.e5	5.Nc3	5.d3	5.Qe2
<1800	64	41%	36%	17%	3%
1800-2200	340	53%	34%	10%	1%
2200-2600	181	79%	17%	2%	1%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.e5	5.Nc3	5.d3	5.Qe2
1950s	66	45%	42%	11%	—
1960s	76	59%	33%	4%	4%
1970s	59	64%	25%	3%	3%
1980s	95	78%	17%	2%	2%
1990s	280	67%	26%	5%	1%
2000s	253	53%	32%	12%	0%
2010s	151	58%	27%	11%	1%
2020s	20	80%	15%	5%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.e5	58%	80%	▲ +21.7%
5.Nc3	27%	15%	▼ -12.2%
5.d3	11%	5%	▼ -6.3%
5.Qe2	1%	0%	▼ -1.3%

Parties historiques

5.e5 — 61.3% (613 parties)

1950 — Keres, Paul vs Alatortsev, Vladimir N. — 0-1 — Moskou ch-URS
1950 — Haggai Mawejje Israel vs Ellinger, Maximilian — 1-0 — England
1951 — Ravn, Frank vs O'Kelly de Galway, Alberic — 0-1 — ?
1951 — Ravn, Palle vs Atim Alicia Okello — 0-1 — Southsea
1951 — Lutikov, Anatoly S vs Estrin, Yakov — 0-1 — Leningrad RUS

5.Nc3 — 28.3% (283 parties)

1951 — Teschner, Rudolf vs ? — 1-0 — Southsea, England
1951 — Teschner, Juergen vs Weiss, Walter — 1-0 — ?
1951 — Lutikov, Ivan vs Korchnoi, Viktor — 1-0 — UDSSR
1951 — Lutikov, Anatoly S vs Korchnoi, Viktor — 1-0 — USSR
1951 — Keres, Paul Petrovich vs Villard, Achille — 1-0 — cr

5.d3 — 7.7% (77 parties)

1950 — Honfi, Karoly vs Pogats, Jozsef Jr. — 1/2-1/2 — Budapest HUN
1950 — Staudte, Hans-Hilmar vs Schmidt, Paul — 1/2-1/2 — FRG-ch Bad Pyrmont GER
1950 — Poschauko, Karl vs Palme, Rudolf — 1-0 — Vienna AUT
1952 — Kostic, Boris vs O'Kelly, Albéric de Galway — 1/2-1/2 — Beverwijk NED
1952 — Rellstab, Ludwig vs Bouwmeester, Hans — 1-0 — Beverwijk NED

5.Qe2 — 1.2% (12 parties)

1964 — Heuer, Valter vs Uusi, Gunnar — 1/2-1/2 — Estonia
1965 — Filipowicz, Andrzej vs Brzozka, Stefan — 1-0 — Lublin POL
1965 — Filipowicz, Andrzej vs Lengyel, Levente — 0-1 — Varna BUL
1972 — Shalnev, Nikolai vs Soprinov — 1-0 — ?
1978 — Yeo, Michael J vs Berry, Stephen H — 0-1 — Londen open

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