B25v — Sicilian: Closed, 6.f4 e6: 9.Be3 Nd4 10.Qd2

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e6 7.Nf3 Nge7 8.O-O O-O 9.Be3 Nd4 10.Qd2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte f4, case forte g5, paire de fous.
Faiblesses adverses : arriéré f7, Bc8 enfermé.
Problèmes : Bg2 enfermé, Be3 enfermé.
Plans :
● h3 — Empêcher ...Bg4
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : avant-poste d4(C), Bg7 actif, paire de fous.
Faiblesses adverses : Bg2 enfermé, Be3 enfermé.
Problèmes : Bc8 enfermé, arriéré f7.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Bg4 — Clouer Nf3
● ...c4 — Rupture
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B25v — Closed e6:

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e6 7.Nf3 Nge7 8.O-O O-O 9.Be3 Nd4 10.Qd2

Eval: [-0.22]

Les coups candidats

10…Rb8 — 60.2% (892 parties)

Ambassadeurs : Medina-Garcia, Antonio (9x), Peschardt, Soren (7x), Buecker, Stefan (6x), Krallmann, Matthias (5x), Matulovic, Milan (5x), Csom, Istvan (5x), Lazic, Miroljub (5x), Valet, Richard (5x)

10…Nec6 — 18.2% (269 parties)

Ambassadeurs : Minev, Nikolay N (3x), Carmel, Ephraim (3x), Sehner, Norbert (2x), Krallmann, Matthias (2x), Buecker, Stefan (2x), Petronic, Sanja (2x), Wiesner, Gundula (2x), Rachwal, Jacek (2x)

10…d5 — 5.1% (75 parties)

Ambassadeurs : Buecker, Stefan (4x), Roos, Louis (3x), Merdinjan, Agop (2x), Perez Ponsa, Federico (2x), Wade, Robert G (1x), Matanovic, Aleksandar (1x), Carmel, Ephraim (1x), Whiteley, Andrew Jonathan (1x)

10…Bd7 — 4.6% (68 parties)

Ambassadeurs : Medina-Garcia, Antonio (3x), Donev, Ivo (2x), Dorawa, Bernhard (2x), Seminara, Juan Pablo (2x), Lehmann, Heinz (1x), Hort, Vlastimil (1x), Kolobov, Yury (1x), Simagin, Vladimir (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Rb8	10…Nec6	10…d5	10…Bd7
<1800	36	50%	17%	6%	3%
1800-2200	623	62%	18%	4%	4%
2200-2600	474	59%	16%	6%	5%
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Rb8	10…Nec6	10…d5	10…Bd7
1950s	3	67%	33%	—	—
1960s	46	67%	13%	4%	11%
1970s	81	65%	15%	11%	4%
1980s	116	53%	16%	10%	6%
1990s	429	56%	19%	3%	6%
2000s	475	62%	19%	5%	4%
2010s	301	62%	18%	4%	3%
2020s	31	71%	13%	10%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Rb8	62%	71%	▲ +8.5%
10…Nec6	18%	13%	▼ -4.7%
10…d5	4%	10%	▲ +5.4%
10…Bd7	3%	0%	▼ -3.0%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 1 partie
Smyslov, Vladimir — 1 partie

Parties historiques

10…Rb8 — 60.2% (892 parties)

1953 — Fuderer, Andrija vs Udovcic, Mijo — 1-0 — Zagreb CRO
1955 — Ivanco, Imrich vs Hostinsky, Zdenek — 1-0 — Prague CZE
1961 — Van Donk, Diederik vs Spanjaard, Willem — 1-0 — The Hague ch-NLD
1964 — Stepak, Yedael vs Matulovic, Milan — 0-1 — 16th Olympiad final A
1964 — Acuna Medina, Angel G. vs Balinas, Rosendo C — 1/2-1/2 — Tel Aviv ISR

10…Nec6 — 18.2% (269 parties)

1957 — Handel, Horst vs Kallas, Hans Joachim — 1/2-1/2 — Soemmerda
1963 — Drumev, Avram vs Minev, Nikolay N — 0-1 — Sofia BUL
1963 — Dimitrov Iliev, Ilia vs Minev, Nikolay N — 1/2-1/2 — Sofia BUL
1963 — Minev, Nikolay N vs Malich, Burkhard, Dr. — 1/2-1/2 — Bad Liebenstein
1968 — Kovacevic, Jaroslav vs Jovancic, Miodrag — 0-1 — Slovenj Gradec

10…d5 — 5.1% (75 parties)

1966 — Carmel, Ephraim vs Whiteley, Andrew Jonathan — 0-1 — Orebro SWE
1968 — Wade, Robert G vs Matanovic, Aleksandar — 0-1 — Vinkovci CRO
1970 — Novak, Ervin vs Smejkal, Jakub — 1/2-1/2 — Havirov CZE
1972 — Merdinjan, Agop vs Ermenkov, Evgenij — 1/2-1/2 — Sofia BUL
1973 — Merdinjan, Agop vs Babev, Aleksandar — 1/2-1/2 — Sofia BUL

10…Bd7 — 4.6% (68 parties)

1964 — Kolobov, Yury vs Simagin, Vladimir — 0-1 — Ch Moscow, Moscow RUS
1968 — Medina-Garcia, Antonio vs Lehmann, Heinz — 1-0 — Solingen GER
1968 — Acuna Medina, Angel G. vs Kupper, Josef — 1-0 — Lugano SUI
1968 — Wade, Robert G vs O'Kelly de Galway, Alberic — 1/2-1/2 — Solingen GER
1969 — Medina-Garcia, Antonio vs Hort, Vlastimil — 0-1 — Palma de Majorca ESP

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● f7
Chaînes	● c2→d3, h2→g3, d3→e4, g3→f4	● d6→c5, f7→e6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0), ● f4 (2v0), ● g5 (2v0)	—
Cases faibles	● d4	—
Centre	● e4 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Enfermé (mob. 2)
Be3	● Be3 Enfermé (mob. 2)
Bg7		● Bg7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 1)
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	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …c5-c4, ● …d6-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1953 Zagreb – Round 10 – Fuderer, Andrija – 1-0 – Udovcic, Mijo – G84 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Be3 Nge7 8. Nf3 Nd4 9. O-O O-O 10. Qd2 Rb8
1957 DDR Ch 08th – Round 11 – Handel, Horst – 1/2-1/2 – Kallas, Hans Joachim – G74 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Be3 Nge7 8. Nf3 Nd4 9. O-O O-O 10. Qd2 Nec6
1962 Moscow RUS – Round 1 – Ignatiev, Felix N – 1/2-1/2 – Shamkovich, Leonid – G11 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Nxf3+
1963 Bad Liebenstein – Round 7 – Minev, Nikolay N – 1/2-1/2 – Malich, Burkhard, Dr. – G44 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Nec6
1964 CSR Ch – Round 7 – Blatny, Frantisek – 1-0 – Hýbl, Jaroslav – G53 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1964 Tel Aviv olm prel – Round 7 – Acuna Medina, Angel G. – 1/2-1/2 – Balinas, Rosendo C – G258 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 d6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1966 Aarhus – Round 3 – Pedersen, Eigil – 0-1 – Hamann, Svend – G27 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. f4 Bg7 5. Nf3 e6 6. d3 Nge7 7. O-O d6 8. Nc3 O-O 9. Be3 Nd4 10. Qd2 Rb8
1966 Parcetic Memorial 2nd – Round 9 – Popov, Stevan – 0-1 – Minev, Nikolay N – G39 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 d6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1966 Student Olympiad fA – Round 1 – Carmel, Ephraim – 0-1 – Whiteley, Andrew Jonathan – G1 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 d5
1968 Bristol ch-BCF – Round 9 – Wood, Beau – 0-1 – Hilton, C. – G99 1. f4 c5 2. e4 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e6 6. O-O Nge7 7. Nc3 d6 8. d3 O-O 9. Be3 Nd4 10. Qd2 Nec6
1968 It Buesum GER – Round 15 – Medina-Garcia, Antonio – 1/2-1/2 – Damjanovic, Mato – G71 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1968 Lugano olm - Round 1 - Acuna Medina, Angel G. - 1-0 - Kupper, Josef - G154 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Bd7
1968 Memorial Em. Lasker – Round 14 – Csom, Istvan – 1-0 – ? – G45 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1968 Palma de Mallorca – Round 6 – Medina-Garcia, Antonio – 0-1 – Byrne, David – G56 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. f4 Nge7 8. Nf3 Nd4 9. O-O O-O 10. Qd2 Rb8
1968 Skopje/Ohrid – Round 15 – Wade, Robert G – 1/2-1/2 – Matanovic, Aleksandar – G129 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1968 Skopje/Ohrid – Round 7 – Wade, Robert G – 0-1 – Matulovic, Milan – G57 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Rb8
1968 Solingen – Round 12 – Wade, Robert G – 1/2-1/2 – O'Kelly de Galway, Alberic – G52 1. e4 d6 2. g3 c5 3. Bg2 Nc6 4. d3 g6 5. f4 Bg7 6. Nc3 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Bd7
1968 Vinkovci – Round 2 – Wade, Robert G – 0-1 – Matanovic, Aleksandar – G15 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 d5
1969 Palma de Mallorca – Round 11 – Medina-Garcia, Antonio – 0-1 – Hort, Vlastimil – G98 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Bg2 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Qd2 Bd7

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