B89g — Sicilian: Velimirovic, 9.O-O-O Qc7

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7 8.Qe2 O-O 9.O-O-O Qc7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, Be3 actif, Bc4 actif, paire de fous, colonne d.
Faiblesses adverses : 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 e5, avant-poste e5(C), paire de fous, colonne c.
Problèmes : Be7 enfermé, Bc8 enfermé.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)
● ...Na5 — Attaquer Bc4
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B89g — Velimirovic

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7 8.Qe2 O-O 9.O-O-O Qc7

Eval: [+0.53]

Les coups candidats

10.Bb3 — 79.3% (215 parties)

Ambassadeurs : Goldenberg, Igor (7x), Hammerling G (4x), De Firmian, Nick (4x), Cebalo, Miso (4x), Lukin, Andrei M (3x), Moehring, Guenther (3x), Tal, Mikhail (3x), Krakops, Maris (3x)

10.Rhg1 — 15.1% (41 parties)

Ambassadeurs : Pipitone, Antonio (2x), Kolenbrander, Jaap (1x), Schrancz (1x), Mukhin, Mikhail (1x), Spassov, Liuben (1x), Bautista Weber, Diego (1x), Kojtka, W. (1x), Velimirovic, Dragoljub (1x)

10.Ndb5 — 1.8% (5 parties)

Ambassadeurs : Guliev, Logman (1x), Akhmadeev, Vadim (1x), Wichert Joerg (1x), Drexel, Michael (1x), Micic, Cedomir (1x), Zivkovic, Branimir (1x), Villwock, Martin (1x), Mueller, Martin (1x)

10.f3 — 1.1% (3 parties)

Ambassadeurs : Blatny, Frantisek (1x), Dely, Peter (1x), Kadar, Gabor (1x), Szymczak, Zbigniew (1x), Petitcunot, Pierre (1x), Lupu, Mircea-Sergiu (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Bb3	10.Rhg1	10.Ndb5	10.f3
<1800	3	67%	33%	—	—
1800-2200	47	77%	15%	4%	—
2200-2600	139	77%	19%	1%	1%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Bb3	10.Rhg1	10.Ndb5	10.f3
1960s	22	95%	—	—	5%
1970s	53	85%	13%	—	2%
1980s	34	88%	12%	—	—
1990s	81	75%	17%	6%	1%
2000s	45	76%	20%	—	—
2010s	29	69%	17%	—	—
2020s	7	57%	29%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Bb3	69%	57%	▼ -11.8%
10.Rhg1	17%	29%	▲ +11.3%
10.Ndb5	0%	0%	+0.0%
10.f3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties

Parties historiques

10.Bb3 — 79.3% (215 parties)

1966 — Kavalek, Lubomir vs Polugaevsky, Lev — 1/2-1/2 — La Habana ol
1966 — Spasojevic, Zoran M vs Ostojic, Nikola — 1/2-1/2 — Belgrade SRB
1966 — Kavalek, Lubomir vs Polugaevsky, Lev — 1/2-1/2 — Havana CUB
1966 — Matulovic, Milan vs Nikitin, Aleksander S — 1/2-1/2 — Kislovodsk
1966 — Matulovic, Milan vs Simagin, Vladimir — 1-0 — Kislovodsk

10.Rhg1 — 15.1% (41 parties)

1971 — Jantunen, O. vs Peraelae, B. — 1-0 — corr FIN jub10
1972 — Westerinen, Heikki M.J. vs Ribli, Zoltan — 0-1 — Helsinki zt
1974 — Mukhin, Mikhail vs Spassov, Liuben — 1/2-1/2 — Decin CZE
1974 — Velimirovic, Dragoljub vs Tringov, Georgi P — 1/2-1/2 — Reykjavik ISL
1975 — Chaves, Jaime Augusto vs Camara, Helder — 1-0 — Caxias do Sul BRA

10.Ndb5 — 1.8% (5 parties)

1993 — Micic, Cedomir vs Zivkovic, Branimir — 1-0 — Nice FRA
1994 — Guliev, Logman vs Akhmadeev, Vadim — 0-1 — Kstovo RUS
1998 — Cornacchini, Gabriele vs Balev, Jivko — 0-1 — ?
1999 — Wichert Joerg vs Drexel, Michael — 0-1 — Passau
1999 — Villwock, Martin vs Mueller, Martin — 0-1 — Essen GER

10.f3 — 1.1% (3 parties)

1966 — Blatny, Frantisek vs Dely, Peter — 0-1 — Sombor
1976 — Kadar, Gabor vs Szymczak, Zbigniew — 0-1 — Vitrobud op Sandomierz
1995 — Petitcunot, Pierre vs Lupu, Mircea-Sergiu — 0-1 — Bethune FRA

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be3	● Be3 Actif (mob. 4)
Bc4	● Bc4 Actif (mob. 6)
Be7		● Be7 Enfermé (mob. 1)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	1 (h1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d6-d5, ● …e6-e5

Partie
1966 Kislovodsk – Round 10 – Matulovic, Milan – 1-0 – Simagin, Vladimir – G55 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1966 Kislovodsk – Round 2 – Matulovic, Milan – 1/2-1/2 – Nikitin, Aleksander S – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d6 6. Be3 Nf6 7. Bc4 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1966 La Habana olm fin-A – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Polugaevsky, Lev – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 Nf6 7. Bc4 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1966 Parcetic Memorial 2nd – Round 9 – Blatny, Frantisek – 0-1 – Dely, Peter – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. f3 a6
1967 Asztalos Memorial – Round 8 – Szabo, Laszlo – 1/2-1/2 – Simagin, Vladimir – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1967 URS Team Ch – Round 1 – Balashov, Yuri S – 1-0 – Lukin, Andrei M – G31 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d6 6. Be3 Nf6 7. Bc4 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1967 Yugoslavia – Round 1 – Velimirovic, Dragoljub – 1-0 – Dan Nikolic, Slobodan – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1968 Corr WER/K – Round 1 – Karker, Norbert – 0-1 – Zagorovsky, Vladimir – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1969 IBM – Round 6 – Damjanovic, Marko – 1-0 – Langeweg, Kick – G23 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 Nf6 7. Bc4 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6
1971 Moscow – Round ? – Monakov, A – 1-0 – Fedorov Kozlov, Andrei – G157 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Qc7 10. Bb3 a6