C61f — Spanish: Bird’s, 5.O-O

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

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : Bb5 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous, colonne e.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nf6 — Développer Ng8
● ...Be7 — Développer Bf8
● ...c6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C61f — Bird’s

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

Eval: [+0.57]

Les coups candidats

5…Bc5 — 45.1% (1904 parties) →

Ambassadeurs : Jirka, Jiri (71x), Vera-Cruz Jr, Aguinaldo (34x), Lanin, Boris Dr (24x), Kupreichik, Viktor D (17x), Klaric, Zlatko (13x), Sosnowska, Elzbieta (13x), Malaniuk, Vladimir P (13x), Martynov, Pavel (13x)

5…c6 — 37.2% (1567 parties) →

Ambassadeurs : Burakovsky, Marat (18x), Schuetz, Peter (12x), Larino Nieto, David (12x), Horvath, Denes (10x), Klip, Hans (10x), Scheerer, Christoph (10x), Golcman, Evgeny (9x), Hoiberg, Nina (9x)

5…a6 — 3.3% (138 parties)

Ambassadeurs : Lamy, Odette (3x), Jerry (2x), Wall, Bill (2x), Fantoni Franco (2x), Dammann, Rudolf (2x), Ersel, Ismail Hakki (2x), Kaminski, Patti (2x), Markidou, Christianna (2x)

5…g6 — 3.2% (136 parties)

Ambassadeurs : Moreno, Alejandro (8x), Blackburne, Joseph (5x), Thiellement, Andre (4x), Müßig, Frank (4x), Haanila, Erkki (4x), Capablanca, Jose (3x), Lima, Darcy (3x), Kofidis, Andreas (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Bc5	5…c6	5…a6	5…g6
<1800	223	34%	45%	7%	4%
1800-2200	1282	46%	40%	3%	3%
2200-2600	1164	66%	27%	0%	3%
2600+	31	81%	13%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…Bc5	5…c6	5…a6	5…g6
1850s	1	100%	—	—	—
1860s	3	33%	33%	33%	—
1870s	12	42%	25%	—	—
1880s	10	—	10%	—	—
1890s	8	25%	62%	—	—
1900s	16	12%	38%	—	19%
1910s	20	10%	45%	—	25%
1920s	11	9%	55%	—	9%
1930s	10	30%	30%	—	—
1940s	31	16%	42%	—	10%
1950s	92	—	64%	—	4%
1960s	122	6%	76%	—	7%
1970s	145	37%	48%	6%	3%
1980s	390	64%	26%	1%	2%
1990s	824	47%	32%	4%	3%
2000s	1157	47%	37%	4%	2%
2010s	1216	47%	37%	3%	3%
2020s	150	41%	39%	5%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Bc5	47%	41%	▼ -6.3%
5…c6	37%	39%	▲ +1.7%
5…a6	3%	5%	▲ +1.9%
5…g6	3%	5%	▲ +1.3%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 5 parties
Kasparov, Garry — 5 parties
Alekhine, Alexander — 4 parties
Smyslov, Vladimir — 4 parties
Lasker, Emanuel — 2 parties
Karpov, Aleksandr — 2 parties
Karpov, Anatoly — 2 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie

Parties historiques

5…Bc5 — 45.1% (1904 parties)

1856 — Kennedy, Hugh A vs Staunton, Howard — 0-1 — London ENG
1866 — De Vere, Cecil V vs Bird, Henry — 1-0 — London ENG
1873 — Boden, Samuel S vs Bird, Henry — 0-1 — Great Britain
1873 — Wisker, John vs Bird, Henry — 1-0 — London ENG
1873 — Boden, Samuel S vs Bird, Henry — 0-1 — London ENG

5…c6 — 37.2% (1567 parties)

1862 — Wuelfling, Otto vs Vitzthum von Eckstaedt, Conrad — 1-0 — Duesseldorf GER
1873 — Fleissig, Max vs Blackburne, Joseph — 1-0 — Vienna AUT
1874 — Hosmer, Henry vs Kennicott, Hiram — 1-0 — Chicago, IL USA
1875 — Minchin, James I vs Thorold, Edmund — 0-1 — London ENG
1880 — Congdon, James Adams vs Delmar, Eugene — 1/2-1/2 — New York, NY USA

5…a6 — 3.3% (138 parties)

1867 — De Riviere, Jules vs D'Andre Baron — 1/2-1/2 — ?
1970 — de Wall, Robert vs Jerry — 1-0 — Wichita Falls
1970 — Wall, Bill vs Jerry — 1-0 — ?
1970 — Berry, Jonathan vs Navarro, Carlos — 1-0 — Guadalajara
1972 — Tsvetkov, Aleksei Aleksan'ch vs Cupta — 1-0 — CCOL corr

5…g6 — 3.2% (136 parties)

1905 — Spielmann, Rudolf vs Blackburne, Joseph — 1/2-1/2 — Ostende
1905 — Marchand, Max vs Blackburne, Joseph — 1-0 — Ostende
1906 — Forgacs, Leo vs Blackburne, Joseph — 1/2-1/2 — Ostend
1910 — Capablanca, Jose vs Mlotkowski, Robert — 0-1 — Philadelphia, PA USA
1910 — Capablanca, Jose vs Miotkowski, S. — 0-1 — Philadelphia, PA USA

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d5 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	—	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn d7
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, ● c2-c4, ● d2-d3, ● e4-e5, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …f7-f6, ● …f7-f5

Partie
1904 BCF Ch 1st – Round 9 – Michell, Reginald – 1/2-1/2 – Blackburne, Joseph – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O h5 6. d3 Bc5 7. Nd2 c6 8. Ba4 d6 9. f4 Bg4 10. Nf3 Qd7
1904 London – Round 13 – Gunsberg, Isidor – 1/2-1/2 – Blackburne, Joseph – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O h5 6. c3 Bc5 7. b4 Bb6 8. Bb2 Qg5 9. Be2 Nf6 10. d3 d5
1905 It (Men) Stockholm SWE – Round 13 – Marchand, Max – 1-0 – Blackburne, Joseph – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 Bg7 7. c3 Ne7 8. Bd2 O-O 9. cxd4 d5 10. Bc3 c6
1905 It (Men) Stockholm SWE – Round 7 – Spielmann, Rudolf – 1/2-1/2 – Blackburne, Joseph – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. c3 Bg7 7. cxd4 Bxd4 8. Nc3 Ne7 9. d3 O-O 10. Bg5 c6
1913 Rotterdam m – Round 5 – Davidson, Jacques – 1-0 – Oskam, Gerard – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O h5 6. d3 Bc5 7. f4 Kf8 8. f5 c6 9. Bc4 Bd6 10. Nd2 Nf6
1914 BCF Ch 11th – Round 8 – Sparkes, William Henry John – 0-1 – Gunsberg, Isidor – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O b6 6. d3 Bb7 7. Nd2 g6 8. f4 Bg7 9. Nf3 Ne7 10. Qe2 O-O
1914 St Petersburg prel – Round 1 – Alekhine, Alexander – 1/2-1/2 – Blackburne, Joseph – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 Bg7 7. f4 c6 8. Bc4 d5 9. exd5 cxd5 10. Bb5+ Kf8
1932 Leningrad Ch – Round 1 – Ilyin Zhenevsky, Alexander – 1/2-1/2 – Ragozin, Viacheslav – G27 1. e4 Nc6 2. Nf3 e5 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Nf6 6. c3 c6 7. Ba4 d3 8. Qf3 d5 9. e5 Ng4 10. Qxd3 Nxe5
1947 Mar del Plata – Round 1 – Michel, Pascal – 1-0 – Rossetto, Hector – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O h5 6. d3 Bc5 7. Nd2 c6 8. Bc4 d5 9. Bb3 Kf8 10. c4 dxc3
1950 DDR Ch – Round 10 – Pietzsch, Wolfgang – 1-0 – Elstner, Rudolf – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 Bg7 7. f4 c6 8. Ba4 Ne7 9. f5 gxf5 10. exf5 Bf6
1954 Munich zt – Round 12 – Fuderer, Andrija – 1-0 – Burstein, S – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Qh4 6. d3 Bc5 7. Nd2 Ne7 8. c3 dxc3 9. bxc3 O-O 10. d4 Bb6
1955 Paris – Round 5 – Scherbakoff, Georges – 1-0 – Thiellement, Andre – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. c3 Bg7 7. cxd4 Bxd4 8. Nc3 Ne7 9. d3 Bg7 10. Bg5 c6
1962 URS Team Ch – Round ? – Gufeld, Eduard – 1-0 – Cesnauskas, Algimantas – G158 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 Bg7 7. c3 Ne7 8. cxd4 c6 9. Ba4 Bxd4 10. Nc3 d5
1962 URS Team Ch – Round 1 – Vasiukov, Evgeni – 1-0 – Barstatis, Reinhardas – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 Bg7 7. c3 c6 8. Ba4 Ne7 9. cxd4 Bxd4 10. Nc3 O-O
1964 Tel Aviv olm fin-C – Round 5 – Aaron, Manuel – 0-1 – Thiellement, Andre – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. c3 Bg7 7. cxd4 Bxd4 8. Nc3 Ne7 9. Kh1 O-O 10. f4 c6
1964 Tel Aviv olm fin-C – Round 6 – Caro, Napoleon Alberto – 1/2-1/2 – Thiellement, Andre – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 Bg7 7. Nd2 Ne7 8. Nf3 O-O 9. Bg5 h6 10. Bh4 d6
1965 Kiev (Ukraine) – Round 7 – Nakonechny, Sergey – 1/2-1/2 – Kostiuchenko, Alexander – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Be7 6. d3 c6 7. Bc4 d5 8. Bb3 Nf6 9. Bg5 O-O 10. Nd2 Re8
1966 La Habana olm fin-B – Round 13 – Bednarski, Jacek – 1-0 – Fallone, Michael – G195 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. c3 Bg7 7. cxd4 Bxd4 8. d3 c6 9. Bc4 d6 10. Nc3 Be6
1966 La Habana olm fin-B – Round 7 – Johansson, Martin 1979 – 1-0 – Fallone, Michael – G103 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. f4 Bg7 7. f5 Be5 8. Qf3 g5 9. d3 h6 10. Nd2 c6
1966 Sochi Chigorin Memorial 04th – Round 6 – Matulovic, Milan – 1-0 – Barcza, Gedeon – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. f4 Bg7 7. f5 gxf5 8. Qf3 Qh4 9. Qxf5 Nh6 10. Qf4 Qxf4
1967 Szczecin ch POL – Round 15 – Witkowski, Stefan – 1-0 – Nowacki, Marian – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. d3 c6 7. Bc4 d6 8. f4 Ne7 9. f5 gxf5 10. Bg5 h5
Russian vs. ROW 2002 – Round 9 – Leko, Peter – 1-0 – Morozevich, Alexander – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O h5 6. c3 Bc5 7. cxd4 Bxd4 8. Nc3 c6 9. Bc4 Nf6 10. Ne2 Bb6

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