C61h — Spanish: Bird’s, 5.O-O c6 6.Bc4

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O c6 6.Bc4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur un fou actif en c4 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nbd2 (Développer Nb1) ; d3 (Libérer Bc1) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...Be7 (Développer Bf8) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● d4, ● d7
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6, d7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	—	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc4	● Bc4 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	5 (g8, c8, f8, 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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e4-e5, ● f2-f3	● …c6-c5, ● …d7-d6, ● …d7-d5, ● …f7-f6, ● …f7-f5

Partie
1905 It (Men) St Petersburg RUS – Round 13 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Tarrasch, Siegbert – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Ne7 7. d3 d5 8. exd5 Nxd5 9. Re1+ Be7 10. Bxd5 Qxd5
1905 It (Men) St Petersburg RUS – Round 17 – Marshall Viele, Fabrizio Aaron – 0-1 – Tarrasch, Siegbert – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Ne7 7. Qh5 d5 8. exd5 cxd5 9. Bb5+ Bd7 10. Bxd7+ Qxd7
1934 Leningrad ch-URS – Round 1 – Panov, Vasily – 1-0 – Freiman, Sergey Nikolaevich – G121 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Qe2+ Ne7 9. Bb5+ Bd7 10. Re1 Bxb5
1934 URS-ch09 – Round ? – Panov, Vasily – 1-0 – Freiman, Sergey Nikolaevich – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Qe2+ Ne7 9. Bb5+ Bd7 10. Re1 Bxb5
1946 Moscow RUS – Round 1 – Smyslov, Vladimir – 1-0 – Alatortsev, Vladimir N. – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. e5 dxe5 9. Qxe5+ Be7 10. Re1 Kf8
1947 Leningrad ch-URS – Round 13 – Dubinin, Peter – 0-1 – Levenfish, Grigory – G127 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Re1+ Ne7 9. Bb3 Be6 10. d3 Qd7
1949 Berlin GER – Round 1 – Lehmann, Heinz – 1/2-1/2 – Richter, Kurt P – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 Bd6 8. d3 Qc7 9. f4 Nf6 10. Qe1+ Kf8
1949 Leningrad – Round 2 – Zagorovsky, Vladimir – 1-0 – Dubinin, Peter – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Re1+ Ne7 9. Bb5+ Bd7 10. a4 a6
1949 Moscow Ch – Round 1 – Panov, Vasily – 1-0 – Trupan, Vladilen – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d6 7. c3 dxc3 8. Nxc3 Be6 9. Bxe6 fxe6 10. d4 Nf6
1949 Moskou ch-URS – Round 1 – Geller, Efim P – 0-1 – Kholmov, Ratmir D – G113 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. e5 dxe5 9. Qxe5+ Be7 10. Re1 b5
1949 URS Ch, semi final – Round 16 – Vasiliev, Viktor A – 1-0 – Klaman, Konstantin Mikhailovich – G118 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Re1+ Ne7 9. Bb5+ Bd7 10. Bxd7+ Qxd7
1949 URS Ch, semi final – Round 7 – Geller, Efim P – 1-0 – Klaman, Konstantin Mikhailovich – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Re1+ Ne7 9. Bf1 Be6 10. c3 Qd7
1950 Hastings5051 – Round 2 – Penrose, Justin – 1-0 – Phillips Andrea – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 dxc3 9. Qb3 Qc7 10. d4 b5
1950 HUN-ch06 – Round 1 – Gereben, Erno – 1-0 – Koberl, Ferenc – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. d3 Be7 9. Bb3 O-O 10. Bf4 a5
1950 Moskou ch-URS – Round 1 – Lipnitsky, Isaac – 1/2-1/2 – Bondarevsky, Igor – G85 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Be7 9. cxd4 d5 10. exd5 Nxd5
1950 Moskou ch-URS – Round 1 – Suetin, Alexey S – 0-1 – Tolush, Alexander – G84 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Re1+ Ne7 9. Bb5+ Bd7 10. Bxd7+ Qxd7
1950 Schiavno Zdroj – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Koberl, Ferenc – G92 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. c3 Be7 9. cxd4 Nxe4 10. d5 Nf6
1950 URS-ch18 – Round ? – Suetin, Alexey S – 0-1 – Tolush, Alexander V – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Re1+ Ne7 9. Bb5+ Bd7 10. Bxd7+ Qxd7
1951 Hungary Ch – Round 1 – Gracs, Pal – 1/2-1/2 – Koberl, Ferenc – G75 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. c3 Be7 9. Bb3 dxc3 10. Nxc3 O-O
1951 Vienna 5152 – Round 3 – Lokvenc, Josef – 1-0 – Beni, Alfred – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. d3 Be7 9. Nd2 O-O 10. Bb3 Re8
1951 YUG Ch 7th – Round 17 – Milic, Borislav – 1/2-1/2 – Nikolac, Juraj – G147 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. h3 Ne5 10. Bf1 d3
1952 Buenos Aires – Round 6 – Benko, Francisco – 1/2-1/2 – Burgalat, Francisco J – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 dxc3 9. Qb3 Qe7 10. bxc3 d5
1952 Miedzyzdroje – Round 10 – Szily, Jozsef – 1/2-1/2 – Gawlikowski, Stanislaw – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. c3 dxc3 9. Nxc3 Be7 10. d4 O-O
1952 Moskou ch-URS – Round 1 – Lipnitsky, Isaac – 0-1 – Tolush, Alexander – G126 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Qb6 9. Qb3 Qxb3 10. Bxb3 dxc3
1952 Moskou ch-URS – Round 1 – Suetin, Alexey S – 1/2-1/2 – Tolush, Alexander – G125 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Nd2 Be7 10. Nf3 Bf6
1952 URS Ch sf – Round ? – Khasin, Abram – 1-0 – Lisitsin, Georgy – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 dxc3 9. Nxc3 Be7 10. d4 O-O
1953 Bucharest – Round 17 – Szabo, Ladislav – 1/2-1/2 – Tolush, Alexander – G166 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Qb6 9. Qb3 Qxb3 10. Bxb3 dxc3
1953 Hastings ch-BCF – Round 11 – Yanofsky, Daniel Abraham – 1-0 – Aabel Thomas Eapen – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. d3 Be7 9. Bg5 O-O 10. Nd2 Re8
1953 Mar del Plata – Round 9 – Eliskases, Erich – 1-0 – Burgalat, Francisco J – G101 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. h3 Be6 9. d3 Nd7 10. c3 dxc3
1954 Cal State Ch Closed – Round ? – Addison, William Grady – 0-1 – Steiner, Herman – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Be7 9. cxd4 O-O 10. d3 Qb6
1954 Cal State Ch Closed – Round ? – Rivise, Irving – 0-1 – Steiner, Herman – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. d3 Be7 9. c3 O-O 10. h3 d5
1954 Open – Round 6 – Rivise, Irving – 0-1 – Steiner, Herman – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Be7 9. cxd4 O-O 10. e5 Ne8
1955 Budapest – Round 1 – Grob, Henry – 1-0 – Hacsak, Istvan – G66 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d6 7. d3 Nf6 8. c3 dxc3 9. bxc3 Be7 10. Bb3 O-O
1955 Hungary Ch – Round 1 – Dely, Peter – 0-1 – Benko, Pal – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. c3 Be7 9. cxd4 Nxe4 10. d5 Nf6
1955 Voros Lobogo – Round 5 – Ozsvath, Andras – 0-1 – Haag, Ervin – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. e5 d5 8. Be2 Nd7 9. f4 Bc5 10. d3 g6
1955 Wch U20 final-A – Round 9 – Van der Wiel, John T.H. – 1/2-1/2 – Keller, Dieter – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Be7 9. cxd4 d5 10. exd5 cxd5
1957 URS Ch, semi final – Round 1 – Sardaratov, E. – 1-0 – Bagirov, Vladimir – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. d3 Be7 9. c3 dxc3 10. Nxc3 O-O
1960 Leningrad ch-URS – Round 13 – Shamkovich, Leonid – 0-1 – Bagirov, Vladimir – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 dxc3 9. Nxc3 Be7 10. d4 O-O
1960 San Francisco – Round 1 – Gross, Henry – 1-0 – Traum, Paul – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 g6 7. c3 b5 8. Bb3 Bg7 9. cxd4 Bxd4 10. Nc3 d6
1961 United States Open Championship – Round 4 – Osbun, Erik – 1-0 – Abaho Allan Smith – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Re1+ 9. ... Be7 10. Bg5 O-O
1961 URS Ch sf Batumi GEO – Round ? – Ustinov, Georgy I – 0-1 – Bagirov, Vladimir – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Re1+ Ne7 10. Bf1 g6
1962 Kislovodsk – Round ? – Shamkovich, Leonid – 0-1 – Tolush, Alexander V – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. d3 Be7 9. Bf4 O-O 10. h3 Be6
1962 LAT Ch – Round ? – Gipslis, Aivars – 1/2-1/2 – Tolush, Alexander – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Qb6 9. d3 Be7 10. cxd4 Qxd4
1962 LAT Ch – Round ? – Shmit, Anatoly – 0-1 – Tolush, Alexander V – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Qb6 9. d3 Be7 10. Qb3 Qxb3
1963 URS Ch sf – Round ? – Karasev, Vladimir I – 1-0 – Osnos, Viatcheslav – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. e5 d5 8. Be2 Ng8 9. d3 Bc5 10. Bf4 Ne7
1964 Tel Aviv olm fin-C – Round 10 – Cuellar Alpire, Mariana – 1-0 – Boutteville, Cesar – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Qe2 d6 8. d3 Be7 9. Nd2 O-O 10. Nf3 Re8
1964 Tel Aviv olm fin-C – Round 6 – Tapaszto Binet, Laszlo – 0-1 – Boutteville, Cesar – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Qh5 Be7 10. Bxd5 cxd5
1965 Chigorin Memorial – Round 10 – Ujtumen, Tudev – 0-1 – Lein, Anatoly – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. h3 Ne5 10. Bf1 d3
1965 URS-JUG – Round 5 – ? – 1/2-1/2 – Tolush, Alexander V – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Nd2 Be7 10. Re1 Be6
1966 Ch (Men) Budapest HUN – Round 1 – Szilagyi, Peter – 1-0 – Ozsvath, Andras – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. Qe2 b5 10. Bb3 Qh4
1966 La Habana olm fin-B – Round 1 – Huguet, Bernard – 1-0 – Holmes, Aaron J – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. h3 Ne5 10. d3 dxc3
1966 La Habana olm prel – Round 5 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Boutteville, Cesar – G197 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. Bb3 Be7 9. Nd2 O-O 10. e5 Ng4
1966 Malaga Malaga ESP – Round 8 – Zinser, Sylvain – 1/2-1/2 – Toran Albero, Roman – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. d3 Be7 9. c3 dxc3 10. bxc3 O-O
1967 Skopje – Round 6 – Matulovic, Milan – 1-0 – Ilievski, Borce – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. d3 Be7 9. Nd2 O-O 10. Nf3 Bg4
1967 YUG Ch 22th – Round 16 – Matanovic, Aleksandar – 1-0 – Gliksman, Darko – G88 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. h3 Ne5 10. d3 Nxc4
1968 Lugano ol (Men) – Round 1 – Ujtumen, Tudev – 0-1 – Keller, Dieter – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 dxc3 9. Nxc3 Be7 10. d4 O-O
1968 Lugano ol (Men) fin-B – Round 1 – Westerinen, Heikki M.J. – 1-0 – Keller, Dieter – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d6 8. Nd2 Be7 9. h3 O-O 10. Nf3 c5
1968 Lugano olm - Round 1 - Araiza Munoz, Jose Joaquin - 1/2-1/2 - Thiellement, Andre - G267 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Re1+ Be6 10. Nd2 Be7
1968 USSR – Round 1 – Zatulovskaya, Tatiana – 1/2-1/2 – Arakelov, Andrey – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. h3 Ne5 10. Bf1 d3
1968 Zuerich training – Round ? – Keres, Paul Petrovich – 1-0 – Bhend, Edwin – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Re1+ Be6 10. Nd2 Be7
1968 Zuerich training – Round ? – Keres, Paul Petrovich – 1-0 – Keller, Dieter – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d6 8. Bf4 Bg4 9. Qd2 Nh5 10. c3 dxc3
1969 New Zealand Ch – Round 1 – Sarapu, Ortvin – 1-0 – Deben B – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. d3 d5 8. exd5 Nxd5 9. Re1+ Be7 10. c3 O-O
1969 Quito/Guayaquil zt – Round ? – Jimenez Zerquera, Eleazar – 1-0 – Cuartas, Carlos Enrique – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Ng4 9. h3 Ne5 10. d3 dxc3
Bugojno 1982 – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Spassky, Boris V. – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O c6 6. Bc4 Nf6 7. Re1 d6 8. c3 Be7 9. d3 dxc3 10. Nxc3 O-O

C61h — Bird’s

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O c6 6.Bc4

Eval: [+0.53]

Les coups candidats

6…Nf6 — 59.1% (710 parties)

Ambassadeurs : McLaughlin, Keith W (16x), Burakovsky, Marat (14x), Schuetz, Peter (10x), Scheerer, Christoph (7x), Mundwiler, Les (7x), Tolush, Alexander (6x), Vicente Haro, Gabriel (6x), Horvath, Denes (6x)

6…d5 — 14.2% (170 parties)

Ambassadeurs : Klip, Hans (10x), Thomas, Joseff (6x), Tkachenko, Victor (4x), Klaman, Konstantin Mikhailovich (3x), Guseinov, Aidyn (3x), Rizouk, Aimen (3x), Cassimon Marc (3x), Sternik, Ryszard (3x)

6…d6 — 8.7% (104 parties)

Ambassadeurs : Konicek, Petr (2x), Gassouma, Mohamed (2x), Panov, Vasily (1x), Trupan, Vladilen (1x), Baturinsky, Victor (1x), Solntsev, Yury (1x), Koupil, Adam (1x), Svetlik, Milan (1x)

6…b5 — 5.8% (70 parties)

Ambassadeurs : Aannevik, Bjarne (4x), Charter, Bennet (2x), Czypinski, Jaroslaw (2x), Geib Steven (2x), Haskovic, Salih (2x), Hosmer, Henry (1x), Kennicott, Hiram (1x), Walther, Edgar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nf6	6…d5	6…d6	6…b5
<1800	81	40%	19%	5%	19%
1800-2200	393	61%	11%	14%	4%
2200-2600	239	65%	18%	5%	1%
2600+	5	40%	60%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Nf6	6…d5	6…d6	6…b5
1860s	1	—	—	—	—
1870s	2	—	—	—	50%
1880s	1	100%	—	—	—
1890s	4	50%	—	—	—
1900s	3	—	—	—	—
1910s	5	20%	20%	—	—
1920s	4	25%	25%	—	—
1930s	3	33%	67%	—	—
1940s	12	25%	42%	17%	—
1950s	46	87%	4%	9%	—
1960s	60	88%	3%	2%	2%
1970s	48	88%	6%	4%	2%
1980s	71	79%	11%	3%	3%
1990s	204	54%	17%	11%	6%
2000s	324	52%	18%	10%	6%
2010s	364	59%	11%	10%	8%
2020s	49	31%	27%	8%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nf6	59%	31%	▼ -28.7%
6…d5	11%	27%	▲ +15.5%
6…d6	10%	8%	▼ -1.5%
6…b5	8%	8%	+0.2%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 2 parties
Lasker, Emanuel — 1 partie
Alekhine, Alexander — 1 partie
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie

Parties historiques

6…Nf6 — 59.1% (710 parties)

1880 — Congdon, James Adams vs Delmar, Eugene — 1/2-1/2 — New York, NY USA
1893 — Hodges, Albert vs Delmar, Eugene — 1-0 — New York, NY USA
1893 — Showalter, Jackson vs Delmar, Eugene — 1/2-1/2 — New York, NY USA
1917 — Teichmann, Richard vs Fahrni, Hans — 1-0 — Zurich SUI
1921 — De Freitas, Jose Renato Silva vs Werneck de Castro, Raul — 1/2-1/2 — Carrasco

6…d5 — 14.2% (170 parties)

1913 — Lasker, Emanuel vs ? — 1-0 — 10.20 sim GER Mainz
1927 — Di Perna Molinero, Alain vs Pokorny, Amos — 1-0 — Brno ch
1934 — Panov, Vasily vs Freiman, Sergey Nikolaevich — 1-0 — Leningrad RUS
1934 — Panov, Vasily vs Freiman, Sergey Nikolaevich — 1-0 — Leningrad ch-URS
1947 — Dubinin, Peter vs Levenfish, Grigory — 0-1 — Leningrad ch-URS

6…d6 — 8.7% (104 parties)

1946 — Baturinsky, Victor vs Solntsev, Yury — 0-1 — Moscow RUS
1949 — Panov, Vasily vs Trupan, Vladilen — 1-0 — Moscow RUS
1950 — Koupil, Adam vs Svetlik, Milan — 0-1 — Chocen
1951 — Tsiknopoulos, Konstantinos vs Sarikas, N.. — 1-0 — Athens GRE
1952 — Watzl, Leopold vs Giustolisi, Alberto — 0-1 — Salsomaggiore Terme

6…b5 — 5.8% (70 parties)

1874 — Hosmer, Henry vs Kennicott, Hiram — 1-0 — Chicago, IL USA
1969 — Walther, Edgar vs Kusminitsch — 0-1 — BDR-USSR
1977 — Zahilas, Loukas N. vs Gad, V. — 1-0 — ?
1983 — Hlavac, Rudolf vs Mayer Moya, Omar — 1-0 — okr.pr.1983 (0
1988 — Mansoor Beyg, Siamand vs Elkuch, Harald — 0-1 — Thessaloniki GRE

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