Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1), ● e5 (2v1), ● g5 (2v0)	● b4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (2v1), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● c8, ● 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	—	● …d7-d5, ● …e4-e3

A28g — English: Four Knights, Bradley Beach Variation

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nd2 (42 % des parties) ; Ng5 (34 % des parties) ; Ne5 (Cavalier centralisé en e5 — 18 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bb4 (Clouer c3, Fou actif (mobilité 7), Développer f8 — 64 % des parties) ; ...Nxd4 (Cavalier centralisé en d4 — 17 % des parties) ; ...h6 (11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1927 London Olympiad 1st – Round 3.41 – Rasmusson Birger – 1/2-1/2 – Rosselli del Turco, Stefano – G27 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Ng5 Bb4 6. d5 Bxc3+ 7. bxc3 Nb8 8. Qd4 Qe7 9. c5 d6 10. cxd6 cxd6
1929 Bradley Beach – Round 3 – Bigelow, Horace – 0-1 – Alekhine, Alexander – G12 1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 e4 5. Ne5 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Nxc6 e3 9. fxe3 dxc6 10. Qb3 Qh4+
1931 Prague ol Prague CZE – Round 2 – Kostic, Boris – 1-0 – Opocensky, Karel – G5 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Ng5 h6 6. d5 hxg5 7. dxc6 Bc5 8. cxb7 Bxb7 9. e3 Qe7 10. a3 a5
1933 Folkestone Olympiad 5th – Round 5.9 – Apscheneek, Fricis – 0-1 – Tartakower, Savielly – G50 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Qxd7 8. Qxd7+ Bxd7 9. Bxg2 c6 10. Bg5 Be6
1934 Leningrad – Round 1 – Riumin, Nikolai – 1-0 – Euwe, Max – G5 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Nxe4 8. Nxe4 f5 9. Nc3 Bb4 10. Bd2 O-O
1934 Leningrad ch-URS – Round 1 – Yudovich, Mikhail M – 1/2-1/2 – Savitsky, Leonid – G8 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Bb4 6. e3 O-O 7. Qc2 Re8 8. Be2 d6 9. O-O Bxc3 10. Qxc3 Bf5
1934 NSW Ch – Round 6.3 – Koshnitsky, Gregory – 1/2-1/2 – Shoebridge, Aubrey Gladstone – G9 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Bb4 8. Bd2 Qe7 9. Bg2 c6 10. O-O O-O
1935 Moskou – Round 1 – Riumin, Nikolai – 0-1 – Ragozin, Viacheslav – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Bb4 6. e3 O-O 7. Qc2 Re8 8. a3 Bxc3 9. Qxc3 d5 10. b3 Bf5
1937 Teplitz-Schoenau – Round 1 – Rethy, Pal – 1-0 – Bauer, Reinhard, Dr. – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Nxe4 8. Nxe4 Bb4+ 9. Bd2 Qe7 10. Bg2 O-O
1940 Moskou ch-URS – Round ? – Gerstenfeld, Eduard – 1/2-1/2 – Lilienthal, Andor – G152 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Ng5 h6 6. Ngxe4 Nxe4 7. Nxe4 Qh4 8. Nc3 Qxd4 9. e3 Qxd1+ 10. Kxd1 Be7
1940 Moskou ch-URS – Round 1 – Gerstenfeld, Eduard – 1/2-1/2 – Ragozin, Viacheslav – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Bb4 6. e3 O-O 7. Be2 d6 8. O-O Bf5 9. Nd5 Nxd5 10. cxd5 Ne7
1942 Sverdlovsk – Round 1 – Bastrikov, Georgy – 0-1 – Maya Ragozin, Cristhian – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Bb4 6. e3 O-O 7. Nd5 Nxd5 8. cxd5 Ne7 9. Qh5 c6 10. d6 Bxd6
1943 Mar del Plata – Round 3 – Czerniak, Magdalena – 1-0 – Concepcion Villegas, Bryan Uriel – G23 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Nxe4 8. Nxe4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1944 Olomouc Olomouc CZE – Round 9 – Hlavacek, Jiri – 0-1 – Florian, Jaromir – G11 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4 5. Ng5 Qe7 6. d5 h6 7. dxc6 hxg5 8. cxb7 Bxb7 9. Bxg5 Qe5 10. Bxf6 gxf6
1944 Tbilisi – Round 1 – Bakhtadze, Giorgi – 0-1 – Petrosian, Tigran A. – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Bb4 6. e3 Bxc3 7. bxc3 O-O 8. Be2 Qe7 9. O-O d6 10. a4 Na5
1945 Buenos Aires Circulo – Round 1 – Maderna, Carlos – 1-0 – Hand, Cameron R – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4 5. Ng5 Bb4 6. d5 Ne5 7. Qd4 d6 8. Nxe4 Nxe4 9. Qxe4 O-O 10. a3 Bxc3+
1945 Moscow – Round 1 – Goldberg, Adam W – 1/2-1/2 – Lilienthal, Andor – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Nxe4 8. Nxe4 Be7 9. Bg2 O-O 10. Nc3 c6
1945 Moscow Ch – Round 16 – Kamyshov, Mikhail – 1/2-1/2 – Flohr, Salo – G89 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Ne5 Bb4 6. Nxc6 dxc6 7. Bg5 h6 8. Bxf6 Qxf6 9. e3 O-O 10. Qc2 Re8
1945 Moskou ch-URS – Round 1 – Goldberg, Grigory A – 1/2-1/2 – Lilienthal, Andor – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Nxe4 8. Nxe4 Be7 9. Bg2 O-O 10. Nc3 c6
1947 URS Ch, semi final – Round 1 – Goldberg, Grigory A – 1/2-1/2 – Mikenas, Vladas – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Nxe4 7. Qxd4 Nxc3 8. Qxc3 d5 9. e3 Be6 10. Bd2 Be7
1950 Wch women – Round ? – Rubtsova, Olga – 1-0 – Gresser, Gisela Kahn – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Ne5 Bb4 6. Bg5 h6 7. Bh4 Qe7 8. Nxc6 bxc6 9. e3 O-O 10. Be2 d6
1951 Hungary Ch – Round 1 – Benko, Pal – 1/2-1/2 – Bakonyi, Elek – G5 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Ng5 Bb4 6. d5 Bxc3+ 7. bxc3 Nb8 8. Qd4 Qe7 9. c5 d6 10. cxd6 cxd6
1952 GBR Ch U18 – Round 9 – Cafferty, Bernard – 0-1 – Sillence Davis, Michael – G9 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Nc5 8. Nxf6+ Qxf6 9. Bg2 c6 10. O-O d6
1952 Ontario Ch – Round 4 – Despard, Jack – 1-0 – Sarosy, Zoltan L – G7 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. g3 Bb4 8. Bg2 Nxe4 9. Bxe4 Bxc3+ 10. bxc3 d6
1954 FRG Ch qual West – Round 8 – Werner, Stephan – 0-1 – Lachmann, Hans G – G14 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Ng1 Bb4 6. e3 O-O 7. Bd2 Bxc3 8. bxc3 d6 9. h3 b6 10. g4 Na5
1955 Poland ch13 – Round 3 – Pytlakowski, Andrzej – 1/2-1/2 – Gawlikowski, Stanislaw – G9 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Ng5 h6 6. Ngxe4 Nxe4 7. Nxe4 Qh4 8. Nc3 Qxd4 9. Qxd4 Nxd4 10. Kd1 b6
1957 Minsk zt – Round 15 – Sokolsky, Alexey – 1-0 – Skuja Roberts – G103 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 e3 6. fxe3 d5 7. cxd5 Nxd5 8. Nf3 Bb4 9. Bd2 Bxc3 10. bxc3 Qe7
1961 GDR Ch Premnitz GER – Round 8 – Kahn, Manfred – 0-1 – Zinn, Lothar – G33 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Bb4 6. e3 Bxc3 7. bxc3 d6 8. Be2 O-O 9. Rb1 Na5 10. O-O c5
1961 GDR Ch Premnitz GER – Round 9 – Moehring, Guenther – 1/2-1/2 – Bruemmer, Ullrich – G38 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Nxe4 7. Qxd4 Nxc3 8. Qxc3 d5 9. cxd5 Qxd5 10. Bf4 Qe4
1965 Hungary – Round 1 – Hajtun, Joseph – 1-0 – Kovacs, Laszlo M – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4 5. Nd2 Bb4 6. e3 Bxc3 7. bxc3 O-O 8. Be2 d6 9. O-O Qe7 10. Nb3 Bf5
1965 SM - Falkoping – Round 3 – Ekenberg, Bengt – 0-1 – Werle, Jan – G3 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Nxe4 7. Nxe4 Bb4+ 8. Bd2 Qe7 9. Nc3 c6 10. a3 Bd6
1967 Sarajevo it – Round 1 – Janosevic, Dragoljub – 0-1 – Dan Nikolic, Slobodan – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Ne5 Bb4 6. e3 O-O 7. Bd2 Re8 8. Nxc6 dxc6 9. Be2 Bd6 10. Qc2 c5
1969 Rhyl ch-BCF – Round 9 – Cafferty, Bernard – 0-1 – Knox, Victor W – G68 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Nxe4 7. Nxe4 Ne6 8. g3 Be7 9. Bg2 O-O 10. O-O d6

A28g — Four Knights, Bradley Beach Variation (1927)

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4

Les coups candidats

5.Nd2 — 42.5% (189 parties)

Ambassadeurs : Aigmueller, Max Ing (4x), Cafferty, Bernard (3x), Geenen, Marc (3x), Riddell, John (2x), Bonner, Gerald (2x), Bechyne, Jaroslav (2x), Hess, Ralf E. (2x), Asik, Hakan (1x)

5.Ng5 — 33.5% (149 parties)

Ambassadeurs : Thieme, Joerg (2x), Bychkov, Vladimir (2x), Spjelke (1x), Iweborg (1x), Benko, Pal (1x), Bakonyi, Elek (1x), Pytlakowski, Andrzej (1x), Gawliczek, Andreas (1x)

5.Ne5 — 18.4% (82 parties)

Ambassadeurs : Omuku, Emmanuel (2x), Girgis Nader Victor (2x), Williams, A. Howard (2x), Blahacek, Evzen (2x), Rueda Maria, Ramiro (2x), Rubtsova, Olga (1x), Gresser, Gisela Kahn (1x), Janosevic, Dragoljub (1x)

5.d5 — 3.8% (17 parties)

Ambassadeurs : Cashon, John J (2x), Koval, Daniel (2x), Rogers, David (1x), Ellison, D George (1x), Baker, Chris W (1x), Wells, Ian D (1x), Vertenten, Leo (1x), Quadri, Sergio Fabian (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nd2	5.Ng5	5.Ne5	5.d5
<1800	35	37%	26%	26%	11%
1800-2200	155	35%	38%	23%	3%
2200-2600	101	46%	34%	16%	4%
2600+	2	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nd2	5.Ng5	5.Ne5	5.d5
1950s	16	75%	12%	6%	—
1960s	16	69%	19%	6%	6%
1970s	27	67%	15%	19%	—
1980s	42	69%	19%	10%	2%
1990s	75	44%	33%	19%	—
2000s	145	32%	43%	17%	6%
2010s	112	30%	35%	29%	5%
2020s	12	42%	42%	8%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nd2	30%	42%	▲ +11.3%
5.Ng5	35%	42%	▲ +6.8%
5.Ne5	29%	8%	▼ -20.2%
5.d5	5%	0%	▼ -5.4%

Parties historiques

5.Nd2 — 42.5% (189 parties)

1950 — Nuesken, Fritz vs Mueller, Claus — 1-0 — Soemmerda GER
1951 — Elliott, Henry J vs Spiller, Arthur R — 1-0 — Forth Worth
1952 — Despard, Jack vs Sarosy, Zoltan L — 1-0 — Toronto CAN
1952 — Cafferty, Bernard vs Davis, Michael E — 0-1 — Hastings ENG
1954 — Shaposhnikov, Yury vs Poljak, Srebrenka — 1-0 — Riga LAT

5.Ng5 — 33.5% (149 parties)

1951 — Benko, Pal vs Bakonyi, Elek — 1/2-1/2 — Hungary ch
1955 — Pytlakowski, Andrzej vs Gawliczek, Andreas — 1/2-1/2 — Poland ch13
1962 — Huguet, Bernard vs Rolland, Pierre — 1/2-1/2 — Paris FRA
1965 — Sapi, Laszlo vs Honfi, Karoly — 1/2-1/2 — Budapest HUN
1969 — Spjelke vs Iweborg — 0-1 — corr Sweden

5.Ne5 — 18.4% (82 parties)

1950 — Rubtsova, Olga vs Gresser, Gisela Kahn — 1-0 — Moscow RUS
1967 — Janosevic, Dragoljub vs Nikolic, Stanimir — 0-1 — Sarajevo BIH
1970 — Kay, Robert Roger vs Williams, A. Howard — 0-1 — Manchester ENG
1970 — Kay, RR. vs Williams, A. Howard — 0-1 — Manchester ENG
1975 — Pereira, Edgar vs Frota Junior, Gerardo Pinto da — 1-0 — Caxias do Sul BRA

5.d5 — 3.8% (17 parties)

1965 — Rogers, David vs Ellison, D George — 1/2-1/2 — corr
1981 — Baker, Chris W vs Wells, Ian D — 0-1 — Portsmouth
2000 — Graul, Paul vs Gegner, Michael — 0-1 — ?
2000 — Bieninda, Detlev vs Rabiega, Robert — 0-1 — Dresden GER
2001 — Delgado Ramirez, Neuris vs Alvarez Efres, Franklin Rafael — 1/2-1/2 — Santo Domingo it Los Inmortal

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →