C64j — Spanish: Classical, 4.c3 Nf6 5.d4 Bb6

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.d4 Bb6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 39 % des parties) ; Nxe5 (Cavalier centralisé en e5 — 30 % des parties) ; Qe2 (Pression sur colonne e, Prépare O-O-O — 12 % des parties) ; Bxc6 (Clouer d7, Fou actif (mobilité 5) — 8 % des parties) ; Bg5 (Fou actif (mobilité 7), Développer c1 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 39 % des parties) ; ...exd4 (Capture en d4, Occuper le centre — 11 % des parties) ; ...h6 (6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, c3→d4	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	● e5
Centre	● e5 (2v1)	● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb5	● Bb5 Actif (mob. 7)
Bb6		● Bb6 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	3 (● 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	fermé
Ruptures	—	● …d7-d5

Partie
1951 It Dortmund GER – Round 10 – Puc, Stojan – 1/2-1/2 – O'Kelly de Galway, Alberic – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nxe4 9. O-O Nxg3 10. hxg3 exd4
1952 Liberation – Round 10 – Pilnik Aranda, Karla Constanza – 1/2-1/2 – O'Kelly de Galway, Alberic – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. Bg5 Qe8 9. Bxf6 gxf6 10. Qg4+ Kh8
1953 Hastings ch-BCF – Round 9 – Yanofsky, Daniel Abraham – 1/2-1/2 – Alexander Ronald Cheng – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. Bg5 Qe8 9. Bxf6 gxf6 10. Qg4+ Kh8
1953 Hastings5354 – Round 5 – Teschner, Rudolf – 1/2-1/2 – Alexander, Conol Hugh – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. O-O Nxe4 9. Re1 Nd6 10. Bf4 c5
1956 Olympiad Moscow RUS – Round 7 – Penrose, Justin – 1/2-1/2 – Pedersen, Ebbe – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nxe4 9. Bxe5 f6 10. Bg3 d5
1957 Bern – Round 1 – Robatsch, Karl – 1/2-1/2 – Blau, Max – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Nxe5 Nxe5 7. dxe5 Nxe4 8. Qg4 Bxf2+ 9. Kd1 Qh4 10. Qxg7 Rf8
1957 Moskou ch-URS – Round 4 – Boleslavsky, Isaac – 1/2-1/2 – Klaman, Konstantin Mikhailovich – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Nxe5 Qe7 7. Bf4 d6 8. Nxc6 Qxe4+ 9. Qe2 Qxe2+ 10. Kxe2 a6
1960 Corr FS – Round 1 – Prechtel, Helmut – 0-1 – Tolush, Alexander – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bg5 h6 7. Bxf6 Qxf6 8. Bxc6 Qxc6 9. O-O O-O 10. Nbd2 exd4
1960 Hoogovens – Round 1 – Matanovic, Aleksandar – 1-0 – Armoon Tan, Hooman – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Qd3 O-O 7. Bg5 exd4 8. cxd4 h6 9. Bxf6 Qxf6 10. e5 Qf4
1961 Wch U20 fin-A – Round 6 – Gulbrandsen, Eirik – 0-1 – Zuidema, Coen – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. Bg5 Qe8 9. Qf3 Nxe4 10. Qxe4 f6
1962 Corr BdF – Round 1 – Sowa, Agnieszka – 0-1 – Walther, Edgar – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. O-O Nxe4 9. Re1 Nf6 10. Bg5 h6
1962 Hastings II – Round 6 – Brinck-Claussen, Bjorn – 1/2-1/2 – Milner Barry, Philip – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. Bg5 Qe8 9. Qf3 Nxe4 10. Qxe4 f6
1963 Amsterdam – Round 4 – Bertok, Mario Jr. – 1/2-1/2 – Ree, Hans – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. dxe5 Nxe4 7. O-O O-O 8. Qd5 Nc5 9. Bg5 Qe8 10. Re1 a6
1963 Corr – Round 1 – Wigboud – 0-1 – Walther, Edgar – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 bxc6 7. Nxe5 O-O 8. O-O Nxe4 9. Re1 Nf6 10. Bg5 h6
1964 UKR Ch – Round 18 – Sakharov, Yuri N – 1-0 – Gershman, Semion – G114 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Nxe5 Nxe5 7. dxe5 Nxe4 8. Qg4 Bxf2+ 9. Kd1 Qh4 10. Qxg7 Rf8
1968 Hoogovens – Round 14 – Tal, Mikhail – 1-0 – Van Geet, Dirk Daniel – G124 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Qe2 exd4 7. e5 O-O 8. cxd4 Re8 9. Be3 Nd5 10. Nc3 Nxe3
1968 IBM-B – Round 1 – Acuna Medina, Angel G. – 0-1 – Van Geet, Dirk Daniel – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Bxc6 dxc6 7. Nxe5 Nxe4 8. Qe2 Bf5 9. g4 Be6 10. Qxe4 Bd5
Linares 1989 – Round ? – Beliavsky, Alexander G – 0-1 – Ivanchuk, Vasyl – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Nxe5 Nxe5 7. dxe5 Nxe4 8. Qg4 Bxf2+ 9. Ke2 Qh4 10. Qxg7 Rf8
Linares 1989 – Round ? – Ivanchuk, Vasyl – 1/2-1/2 – Gulko, Boris – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. dxe5 Nxe4 7. Qe2 d5 8. exd6 O-O 9. dxc7 Bxc7 10. O-O Re8
Linares 1989 – Round 1 – Short, Nigel D – 1/2-1/2 – Gulko, Boris – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 Bb6 6. Nxe5 Nxe5 7. dxe5 Nxe4 8. Qg4 Bxf2+ 9. Ke2 Qh4 10. Qxg7 Rf8

C64j — Spanish: Classical (1951)

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.d4 Bb6

Les coups candidats

6.O-O — 39.3% (195 parties)

Ambassadeurs : Gokhale, Chandrashekhar (4x), Unzicker, Ferdinand, Dr. (3x), Hvenekilde, Jorgen (3x), Ernst, Thomas (3x), O'Kelly, Albéric de Galway (2x), Zuidema, Coen (2x), Olsson, Adam (2x), Milner Barry, Philip (2x)

6.Nxe5 — 30.0% (149 parties)

Ambassadeurs : Jimenez, Joaquin (3x), Zinser, Sylvain (2x), Van Geet, Dirk Daniel (2x), Urrutia, Oscar (2x), Ardelean, Rusalim-Pavel (2x), Ainemaani Ellis (2x), Varonen, Mauri (2x), Coarer, Sterenn (1x)

6.Qe2 — 11.5% (57 parties)

Ambassadeurs : Van der Wiel, John T.H. (2x), Gulko, Boris (2x), Abels, Henk (2x), Heinz, Kurt J (2x), Beil, Martin (2x), Bulgarini Torre, Marco (2x), Lilleeng, Alfred Charles (2x), Tal, Mikhail (1x)

6.Bxc6 — 8.5% (42 parties)

Ambassadeurs : Walther, Edgar (4x), Alexander Ronald Cheng (2x), Geyer, Bernhard (2x), Osterling, Gosta (2x), Kurinniei, V. (1x), Regnier, Titouan (1x), Rosino, Antonio (1x), Halser, Walter (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.O-O	6.Nxe5	6.Qe2	6.Bxc6
<1800	32	25%	34%	22%	9%
1800-2200	170	39%	31%	12%	6%
2200-2600	130	46%	35%	6%	5%
2600+	11	18%	64%	—	9%

Évolution par décennie (% des parties)

Décennie	N parties	6.O-O	6.Nxe5	6.Qe2	6.Bxc6
1950s	28	50%	7%	—	14%
1960s	37	35%	16%	3%	30%
1970s	19	32%	32%	11%	11%
1980s	31	48%	13%	16%	16%
1990s	61	43%	16%	26%	10%
2000s	148	48%	20%	18%	5%
2010s	138	29%	53%	4%	4%
2020s	34	29%	56%	3%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.O-O	29%	29%	+0.4%
6.Nxe5	53%	56%	▲ +3.0%
6.Qe2	4%	3%	▼ -1.4%
6.Bxc6	4%	6%	▲ +2.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

6.O-O — 39.3% (195 parties)

1950 — Barden, Leonard vs Milner Barry, Philip — 0-1 — Buxton
1950 — Lambert, Hans vs Thibaut, Georges — 0-1 — Dubrovnik olm
1951 — Hooper, David vs Milner Barry, Philip — 1-0 — ?
1952 — ? vs Slade, Rafael — 0-1 — London ENG
1953 — Bronstein, Anna vs O'Kelly de Galway, Alberic — 1-0 — Hastings ENG

6.Nxe5 — 30.0% (149 parties)

1957 — Robatsch, Karl vs Aditya Balu Jadhav — 1/2-1/2 — Bern SUI
1957 — Boleslavsky, Isaac vs Klaman, Konstantin Mikhailovich — 1/2-1/2 — Moskou ch-URS
1963 — Ellrich, Paul vs Weise, Wolfgang, Dr. — 1-0 — Hamburg GER
1964 — Coarer, Sterenn vs Lungmuss, Marvin — 1-0 — corr EU
1964 — Zinser, Sylvain vs Casa, Alex — 1-0 — Montpellier FRA

6.Qe2 — 11.5% (57 parties)

1968 — Tal, Mikhail vs Van Geet, Dirk Daniel — 1-0 — Wijk aan Zee NED
1975 — Grichkevitch, Gilles vs Evrard, Paul — 0-1 — ?
1976 — Nuutilainen, Esko vs Eyer, Karl — 1-0 — Finland corr
1986 — Moser, Alexander vs Osterling — 1-0 — cr.
1989 — Van der Wiel, John T.H. vs Gulko, Boris — 1/2-1/2 — Amsterdam NED

6.Bxc6 — 8.5% (42 parties)

1952 — Pilnik, Herman vs O'Kelly, Albéric de Galway — 1/2-1/2 — Belgrade SRB
1953 — Teschner, Rudolf vs Alexander Ronald Cheng — 1/2-1/2 — Hastings ENG
1953 — Yanofsky, Daniel Abraham vs Alexander Ronald Cheng — 1/2-1/2 — Hastings ch-BCF
1954 — Wichers, Henk vs Stegeman, Derk — 1/2-1/2 — Alkmaar
1960 — Kurinniei, V. vs Regnier, Titouan — 1/2-1/2 — ?