B59g — Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O

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 * ○ Trait aux Blancs

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-poste d5(C), Be2 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré d6, Be7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte g4, case forte e5, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Be7 enfermé, Bc8 enfermé, arriéré d6.
Plans :
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B59g — 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

Eval: [+0.01]

Les coups candidats

9.Be3 — 43.9% (1284 parties) →

Ambassadeurs : Pilnik, Herman (13x), Janosevic, Dragoljub (9x), Unzicker, Wolfgang (6x), Ljubojevic, Ljubomir (6x), Paoli, Enrico (5x), Rusev, Krasimir (5x), Bisguier, Arthur B (4x), Benko, Pal (4x)

9.f4 — 26.2% (768 parties) →

Ambassadeurs : Boleslavsky, Isaac (6x), Galazewski, Tomasz (5x), Bellin, Robert (4x), Schneider, Lars-Ake (4x), Ubilava, Elizbar (4x), Ragozin, Viacheslav (3x), Kasparov, Garry (3x), Wagner-Michel, Annett (3x)

9.Kh1 — 16.5% (484 parties) →

Ambassadeurs : Barron, Michael (5x), Abramovic, Bosko (4x), Seminara, Juan Pablo (4x), Spassov, Liuben (3x), Roselli Mailhe, Bernardo (3x), Campos Moreno, Javier B. (3x), Raceanu, Valentin (3x), Tu, Hoang Thong (3x)

9.Bg5 — 5.7% (168 parties) →

Ambassadeurs : Grabics, Monika (2x), Barreto Filho, Carlos Alberto (2x), Dietrich Norbert (1x), Ornithopoulos, Nikolaos (1x), Tumurbator, Purev (1x), Padevsky, Nikola (1x), Ivkovic, Dusan (1x), Djurasevic, Bozidar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Be3	9.f4	9.Kh1	9.Bg5
<1800	65	55%	17%	11%	6%
1800-2200	960	46%	25%	16%	6%
2200-2600	1196	38%	29%	20%	5%
2600+	20	35%	15%	35%	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Be3	9.f4	9.Kh1	9.Bg5
1880s	1	100%	—	—	—
1940s	19	37%	47%	5%	—
1950s	122	47%	32%	6%	5%
1960s	69	61%	9%	12%	3%
1970s	106	40%	37%	12%	7%
1980s	272	45%	26%	20%	3%
1990s	655	43%	28%	18%	5%
2000s	855	41%	28%	18%	7%
2010s	704	46%	22%	15%	7%
2020s	123	45%	23%	18%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Be3	46%	45%	▼ -0.9%
9.f4	22%	23%	▲ +0.6%
9.Kh1	15%	18%	▲ +2.7%
9.Bg5	7%	5%	▼ -2.2%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 4 parties
Tal, Mikhail — 3 parties
Kasparov, Garry — 3 parties
Smyslov, Vladimir — 2 parties
Euwe, Max — 2 parties
Anand, Viswanathan — 2 parties
Hou, Yifan — 2 parties
Ju, Wenjun — 2 parties
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

9.Be3 — 43.9% (1284 parties)

1882 — Hruby, Vincenz vs Paulsen, Louis — 0-1 — Vienna Vienna AUT
1949 — Busek, Hans vs Sajtar, Jaroslav — 0-1 — AUT-CSR Vienna AUT
1949 — Stanchev, Zachari vs Bobotsov, Milko G — 1-0 — Sofia BUL
1949 — Znosko-Borovsky, Eugene vs Muller, Hans P — 0-1 — Lucerne SUI
1949 — Kaliwoda, Kurt vs Rabar, Braslav — 0-1 — Vienna AUT

9.f4 — 26.2% (768 parties)

1943 — Botvinnik, Mikhail vs Boleslavsky, Isaac — 1-0 — Sverdlovsk
1943 — Botvinnik, Mikhail vs Boleslavsky, Isaac — 1-0 — Sverdlovsk
1946 — Estrin, Yakov vs Boleslavsky, Isaac — 0-1 — Sverdlovsk
1947 — Gruenfeld, Ernst vs Boleslavsky, Isaac — 0-1 — Warsaw POL
1947 — Pomar Salamanca, Arturo vs Kramer, Haije — 0-1 — Baarn NED

9.Kh1 — 16.5% (484 parties)

1947 — Sokolsky, Alexey vs Bronstein, David I — 1/2-1/2 — Leningrad RUS
1950 — Vlcek, Josef vs Pospisil, Jachym — 1-0 — Chocen
1950 — Lavrinenko, Aleksandr vs Tal, Michael — 0-1 — Riga LAT
1950 — Vajda, Arpad vs Molnar, Istvan — 1/2-1/2 — Budapest HUN
1952 — Giustina, Orestes vs Pappier, Carlos German — 1/2-1/2 — Rosario Rosario ARG

9.Bg5 — 5.7% (168 parties)

1950 — Cortlever, Nico vs Kramer, Hanspeter — 1/2-1/2 — Amsterdam ch-NED
1955 — Weiner, Milan vs Kozma, Julius — 0-1 — Brno CZE
1957 — Yepez, Olavo vs Rannanjarvi — 1-0 — Reykjavik ISL
1958 — Ivkovic, Dusan vs Djurasevic, Bozidar — 1/2-1/2 — Sarajevo ch YUG
1959 — Tumurbator, Purev vs Padevsky, Nikola — 0-1 — Budapest HUN

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

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 7)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, 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 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Kholmov, Ratmir D – G98 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. Bf3 a6 10. a4 Na5
1949 Southsea – Round 7 – Aitken, James – 0-1 – Rossolimo, Nicolas – G18 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. Bf3 Be6 10. Nd5 Bxd5
1951 It Dortmund GER – Round 3 – Kieninger, Georg – 1/2-1/2 – Milic, Borislav – G6 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. f3 a5 10. Be3 a4
1952 Helsinki olm – Round 1 – Bisguier, Arthur B – 0-1 – Milic, Bozidar – G120 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. f3 Qb6+ 10. Kh1 Be6
1952 Helsinki olm – Round 1 – Pachman, Ludek – 1/2-1/2 – Bronstein, David I – G193 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. f3 a5 10. Be3 a4
1952 Saltsjobaden Interzonal – Round 15 – Geller, Efim P – 1-0 – Barcza, Gedeon – G143 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. f3 Be6 10. Nd5 Bxd5
1952 Saltsjobaden Interzonal – Round 20 – Matanovic, Aleksandar – 0-1 – Gligorić, Svetozar – G188 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. Bf3 a5 10. Be3 a4
1954 Olympiad prel I – Round 1 – Beni, Alfred – 1/2-1/2 – Olafsson, Fridrik – G14 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. f3 a5 10. Be3 Be6
1955 Corr ch-SU – Round 1 – Konstantinopolsky, Alexander – 1/2-1/2 – Sadomsky A – G8 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. f3 a5 10. Nd5 Nxd5
1955 Hamburg – Round 5 – Teschner, Rudolf – 0-1 – Darga, Klaus – G47 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. f3 a5 10. Be3 a4
1957 CSR Ch – Round 8 – Kopriva, Jiri – 1/2-1/2 – Kozma, Julius – G32 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. f3 a5 10. Be3 a4
1960 Moscow CCCT – Round 5 – Puc, Stojan – 1/2-1/2 – Minev, Nikolay N – G29 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 Be6 10. Nd5 Bxd5
1961 Debrecen – Round 6 – Tarnowski, Alfred – 1-0 – Paoli, Enrico – G40 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. Bf3 a5 10. Re1 a4
1963 Bad Liebenstein – Round 10 – Pietzsch, Wolfgang – 1-0 – Szilagyi, Gyorgy Laszlo – G71 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. Re1 a5 10. a4 Be6
1963 Halle zt – Round 1 – Johansson Rexner, Melker – 1/2-1/2 – Malich, Burkhard, Dr. – G87 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. f3 a5 10. Be3 Be6
1965 Budapest – Round 1 – Haag, Ervin – 0-1 – Dely, Peter – G31 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. Bf3 Be6 10. Nd5 Bxd5
1967 Sweden (ch) – Round 11 – Lundin, Erik – 1-0 – Santesson Kjell – G56 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. f3 Be6 10. Nd5 Bxd5
1968 DDR Ch women – Round 1 – Richter, Hildegard – 0-1 – Nowarra, Waltraud – G1 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. Nd5 Nxe4 10. f4 Be6
Superbet Blitz 2023 – Round 7.2 – Aronian, Levon – 1/2-1/2 – Wojtaszek, Radoslaw – G32 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 Be6 10. Nd5 Bxd5
Superbet Rapid 2023 – Round 7.2 – Aronian, Levon – 1-0 – Wojtaszek, Radoslaw – G32 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 a5 10. a4 Nb4

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