B59o — Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.Be3 a5 10.a4

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 a5 10.a4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte b5, case forte d5, avant-postes b5(F), d5(C), Be2 actif, Be3 actif, paire de fous, colonne d.
Faiblesses adverses : arriérés d6, b7, Be7 enfermé, Bc8 enfermé.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte b4, case forte g4, case forte e5, avant-poste b4(C), paire de fous, colonne c.
Problèmes : Be7 enfermé, Bc8 enfermé, arriérés d6, b7.
Plans :
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B59o — Boleslavsky

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 a5 10.a4

Eval: [-0.06]

Les coups candidats

10…Nb4 — 70.7% (441 parties)

Ambassadeurs : Madl, Ildiko (6x), Grosar, Kiti (5x), Martin Del Campo Cardenas, Roberto Abel (4x), Abdel Hamid, Rashad (4x), Vamos, Viktor (3x), Biliskov, Vjekoslav (3x), Zawadzka, Jolanta (3x), Lopez Pereyra, Antonio (3x)

10…Be6 — 28.7% (179 parties)

Ambassadeurs : Rusev, Krasimir (7x), Houston, David (2x), Eretova, Kveta (2x), Rohit, Gogineni (2x), Tyomkin, Dimitri (2x), Houmsi, Ghassan (2x), Kaliwoda, Kurt (1x), Rabar, Braslav (1x)

10…b6 — 0.5% (3 parties)

Ambassadeurs : Atarov, Evgeniy (1x), Baklan, Vladimir (1x), Lapenna, Antonio (1x), Esposito, Luca (1x), Pecha, Tomas (1x), Zeman, Radek (1x)

10…Qc7 — 0.2% (1 parties)

Ambassadeurs : Lancianese, Giuseppe (1x), Campanini, Ambrogio (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Nb4	10…Be6	10…b6	10…Qc7
<1800	14	86%	14%	—	—
1800-2200	268	75%	25%	1%	—
2200-2600	210	72%	28%	0%	—
2600+	1	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Nb4	10…Be6	10…b6	10…Qc7
1940s	1	—	100%	—	—
1950s	8	50%	50%	—	—
1960s	9	22%	78%	—	—
1970s	22	50%	50%	—	—
1980s	41	80%	20%	—	—
1990s	141	79%	21%	—	—
2000s	204	70%	29%	1%	0%
2010s	177	69%	30%	1%	—
2020s	21	71%	29%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Nb4	69%	71%	▲ +1.9%
10…Be6	30%	29%	▼ -1.4%
10…b6	1%	0%	▼ -0.6%
10…Qc7	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 1 partie

Parties historiques

10…Nb4 — 70.7% (441 parties)

1952 — Aleman Dovo, Miguel vs Gligorić, Svetozar — 0-1 — Havana CUB
1953 — Belkadi, Ridha vs Raizman, Maurice — 1-0 — Paris FRA
1954 — Anderson, Patrick J vs Copping, P. — 1-0 — Nottingham ch-BCF
1955 — Monillaux vs Suetin, Alexey S — 0-1 — Lyons Tch jr
1968 — Platonov, Igor vs Polugaevsky, Lev — 1/2-1/2 — Alma Ata ch-URS

10…Be6 — 28.7% (179 parties)

1949 — Kaliwoda, Kurt vs Rabar, Braslav — 0-1 — Vienna AUT
1951 — Nedeljkovic, Srecko M vs Milic, Borislav — 1-0 — Sarajevo BIH
1952 — Kirchhammer, Rudolf vs Platz, Hans — 0-1 — Binz GER
1956 — Vestol, Aage vs Stahlberg, Gideon — 1/2-1/2 — Moscow RUS
1957 — Dunphy, William vs Perez Perez, Francisco Jose — 0-1 — Madrid ESP

10…b6 — 0.5% (3 parties)

2003 — Lapenna, Antonio vs Esposito, Luca — 0-1 — Assisi ITA
2004 — Atarov, Evgeniy vs Baklan, Vladimir — 0-1 — ?
2015 — Pecha, Tomas vs Zeman, Radek — 1/2-1/2 — Czech Republic

10…Qc7 — 0.2% (1 parties)

2001 — Lancianese, Giuseppe vs Campanini, Ambrogio — 1-0 — Como ITA

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d6, ● b7
Chaînes	—	● d6→e5
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (3v0), ● d5 (3v1)	● b4 (2v0), ● g4 (2v1), ● e5 (2v0)
Cases faibles	● d4	—
Centre	● d4 (3v2), ● d5 (3v1)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 7)
Be3	● Be3 Actif (mob. 9)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	1 (a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● f2-f3	● …d6-d5

Partie
1949 Schlechter Memorial – Round 1 – Kaliwoda, Kurt – 0-1 – Rabar, Braslav – G36 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6
1951 YUG Ch 7th – Round 16 – Nedeljkovic, Srecko M – 1-0 – Milic, Borislav – G136 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. O-O a5 10. a4 Be6
1952 DDR Ch 03rd – Round 2 – Kirchhammer, Rudolf – 0-1 – Platz, Hans – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. O-O a5 10. a4 Be6
1952 Havana – Round 2 – Aleman Dovo, Miguel – 0-1 – Gligorić, Svetozar – G47 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. O-O a5 10. a4 Nb4
1953 Paris – Round 6 – Belkadi, Ridha – 1-0 – Raizman, Maurice – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Nb4
1956 Moscow olm prel – Round 3 – Vestol, Aage – 1/2-1/2 – Stahlberg, Gideon – G97 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6
1957 Madrid – Round 2 – Dunphy, William – 0-1 – Perez Perez, Francisco Jose – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6
1961 BRA Ch – Round 12 – Alves, Francisco H B Severino – 1-0 – De Souza Mendes, Joao – G25 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6
1963 Nt Helmbrechts GER – Round 10 – Hittinger, Axel – 0-1 – Clemens, Christian, Dr. – G43 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6
1965 ISR Ch – Round 13 – Pregherman, Shmuel – 0-1 – Persitz, Raaphi – G50 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6
1968 Alma Ata ch-URS – Round 5 – Platonov, Igor – 1/2-1/2 – Polugaevsky, Lev – G60 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Nb4
1968 Lugano ol (Men) – Round ? – Aguilar Reyes, Lizardo de Jesus – 0-1 – Bobotsov, Milko G – G92 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 a5 10. a4 Be6