Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0), ● d4 (3v1), ● f4 (2v0)
Cases faibles	—	—
Centre	● d5 (1v0)	● d4 (3v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 6)
Bc5		● Bc5 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● pawn f2	—
Non développées	3 (● b1, ● c1, ● a1)	4 (● g8, ● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● d2-d4	● …d7-d5

C64m — Spanish: Classical, 4.O-O Qf6

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Qf6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. c3 (Renforcer le centre — 51 % des parties) ; d3 (Solidifier le centre — 23 % des parties) ; Nc3 (Développer b1 — 18 % des parties) ; b4 (Expansion aile dame — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nge7 (Développer g8 — 70 % des parties) ; ...h6 (16 % des parties) ; ...Bxb4 (Fou actif (mobilité 8) — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1920 Gothenburg-B – Round 10 – John, Walter – 1-0 – Von Hennig, Heinrich – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. b4 Bxb4 6. c3 Bd6 7. d4 Qe7 8. Nbd2 a6 9. Ba4 Na5 10. Bc2 f6
1938 Trade Unions – Round 9 – Vasiliev, Viktor A – 1-0 – Tolush, Alexander V – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Bb6 6. d4 exd4 7. e5 Qf5 8. cxd4 Nge7 9. Nc3 O-O 10. Nh4 Qe6
1947 Buenos Aires/La Plata – Round 7 – Euwe, Max – 1-0 – Rossetto, Hector – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. Nc3 Nge7 6. d3 h6 7. Be3 Bb6 8. Bxc6 dxc6 9. d4 Bg4 10. dxe5 Qe6
1947 Weidenau – Round 1 – Unzicker, Wolfgang – 1-0 – Nuernberg, Friedrich – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. Nc3 Nge7 6. d3 h6 7. Be3 Nd4 8. Bxd4 Bxd4 9. Nxd4 exd4 10. Ne2 Qb6
1949 Moscow Ch – Round ? – Trupan, Vladilen – 0-1 – Bonch-Osmolovsky, Mikhail – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. b4 Bxb4 6. Bb2 Nge7 7. c3 Ba5 8. d4 O-O 9. Na3 exd4 10. cxd4 d5
1950 CSR-BUL Prague CZE – Round 3 – Bobotsov, Milko G – 1-0 – Sefc, Jan – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. d4 exd4 7. Bxc6 dxc6 8. cxd4 Bb6 9. Bg5 Qd6 10. Nbd2 Be6
1950 Schiavno Zdroj – Round 1 – Foltys, Jan – 1-0 – Gawlikowski, Stanislaw – G94 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. Re1 h6 7. d4 Bb6 8. Na3 O-O 9. Nc4 d6 10. h3 Ng6
1955 Argentina – Round 10 – Rossetto, Hector – 1-0 – Maderna, Carlos – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. Re1 Bb6 7. d4 h6 8. Na3 O-O 9. Nc4 exd4 10. Nxb6 axb6
1955 Ljubljana – Round 17 – Grosek, Branko – 0-1 – Robatsch, Karl – G150 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. Re1 h6 7. d4 Bb6 8. Na3 O-O 9. Nc4 d6 10. a4 a6
1957 It Gotha GER – Round 14 – Vasiukov, Evgeni – 1-0 – Robatsch, Karl – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. Re1 a6 7. Ba4 Ba7 8. d4 h6 9. Be3 d6 10. d5 b5
1960 Ch - Closed – Round 8 – Blackstone, John – 0-1 – Almgren, Sven – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. d4 exd4 7. Bg5 Qg6 8. cxd4 Nxd4 9. Bxe7 Nxf3+ 10. Qxf3 Bxe7
1968 Belgrade – Round 1 – Velimirovic, Dragoljub – 0-1 – Messing, Hrvoje – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. b4 Bxb4 6. c3 Ba5 7. d4 Nge7 8. Bg5 Qg6 9. d5 f6 10. dxc6 bxc6
1975 Portoroz/Ljubljana – Round 12 – Karpov, Anatoly – 1-0 – Mariotti, Sergio – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6!? 5. c3 Nge7 6. b4 6. ... Bb6 7. Na3 g5?! 8. d4! g4 9. Nxe5 Nxe5 10. dxe5 Qxe5

C64m — Spanish: Classical (1920)

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Qf6

Les coups candidats

5.c3 — 54.8% (418 parties)

Ambassadeurs : Messing, Hrvoje (5x), Pastor Alonso De Prado, Alberto (5x), Gretarsson, Helgi Ass (4x), Novoselski, Zoran (4x), Rogers, Ian (4x), Papp Z., Csaba (4x), Lenderman, Aleksandr (4x), Rogers, Cathy (3x)

5.Nc3 — 21.5% (164 parties)

Ambassadeurs : Papp Z., Csaba (3x), Makropoulos, Georgios (2x), Gliksman, Darko (2x), Ozsvath, Andras (2x), Polosin, Evgeny (2x), Messing, Hrvoje (2x), Schmid, Hartmut (2x), Angyal, Ferenc (2x)

5.d3 — 18.2% (139 parties)

Ambassadeurs : Rogers, Cathy (3x), Messing, Hrvoje (2x), Mariotti, Sergio (2x), Moro, Lorente Ricardo (2x), Leroy, Christophe (2x), Guzel, Adam (2x), Ciric, Dragoljub M (1x), Hug, Werner (1x)

5.b4 — 3.5% (27 parties)

Ambassadeurs : De Blasio, Massimo (2x), Alonso Garcia, Rene Marcial (2x), Pannullo, Umberto (2x), Velimirovic, Dragoljub (1x), Messing, Hrvoje (1x), Grefe, John A (1x), Ginsburg, Mark (1x), Rajkovic, Aleksandar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.c3	5.Nc3	5.d3	5.b4
<1800	52	50%	23%	19%	4%
1800-2200	297	58%	23%	16%	1%
2200-2600	259	59%	19%	17%	5%
2600+	3	67%	—	33%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.c3	5.Nc3	5.d3	5.b4
1950s	5	100%	—	—	—
1960s	10	70%	10%	10%	10%
1970s	59	49%	20%	25%	3%
1980s	45	44%	18%	24%	13%
1990s	110	56%	22%	15%	6%
2000s	281	54%	25%	15%	2%
2010s	234	56%	19%	21%	2%
2020s	19	58%	21%	16%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.c3	56%	58%	▲ +1.9%
5.Nc3	19%	21%	▲ +1.8%
5.d3	21%	16%	▼ -5.2%
5.b4	2%	0%	▼ -2.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie

Parties historiques

5.c3 — 54.8% (418 parties)

1950 — Foltys, Jan vs Gawliczek, Andreas — 1-0 — Schiavno Zdroj
1950 — Bobotsov, Milko G vs Sefc, Jan — 1-0 — CSR-BUL Prague CZE
1955 — Grosek, Branko vs Robatsch, Karl — 0-1 — Ljubljana
1955 — Rossetto, Hector vs Maderna, Carlos — 1-0 — Buenos Aires ARG
1957 — Vasiukov, Evgeni vs Robatsch, Karl — 1-0 — It Gotha GER

5.Nc3 — 21.5% (164 parties)

1966 — Gonzalez, Oscar vs ABDELMUNEM SAAD — 0-1 — Cordoba ARG
1972 — Makropoulos, Georgios vs Mesing — 0-1 — Stip
1973 — Rorvall, Goran vs Kernan, Bernard — 1-0 — Teesside ENG
1973 — Al Sader, Momen vs Semakoff, Aleks — 1/2-1/2 — ?
1973 — Biyiasas, Peter vs Kupreianov, George — 0-1 — Montreal CAN

5.d3 — 18.2% (139 parties)

1969 — Ciric, Dragoljub M vs Messing, Hrvoje — 1-0 — Yugoslavia
1972 — Ipek, Ali vs Kernan, Bernard — 0-1 — Groningen NED
1973 — Vogt, Lothar vs Messing, Hrvoje — 1/2-1/2 — Varna BUL
1973 — De Jonghe, Bruno vs Semakoff, Aleks — 1-0 — Teesside ENG
1974 — Hug, Werner vs Mariotti, Sergio — 0-1 — Nice olm fin-B

5.b4 — 3.5% (27 parties)

1968 — Velimirovic, Dragoljub vs Messing, Hrvoje — 0-1 — Belgrade SRB
1970 — Cosulich, Roberto vs Masera, Umberto — 1-0 — Reggio Emilia ITA
1972 — Rajkovic, Aleksandar vs Mariotti, Sergio — 0-1 — Italy
1980 — Grefe, John A vs Ginsburg, Mark — 0-1 — Lone Pine open
1982 — Jasnikowski, Zbigniew vs Antosik, Alois — 0-1 — Karvina

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