C86i — Spanish: Worrall Attack, 7…O-O 8.c3 d6 9.Rd1

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d6 9.Rd1 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte d5, un fou actif en b3 et la paire de fous.

Côté adverse. Les fous enfermés en e7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...Na5 (Attaquer Bb3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 6)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	3 (b1, c1, a1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d2-d3	● …d6-d5

Partie
1941 Leningrad/Moscow – Round 2 – Keres, Paul – 1-0 – Lilienthal, Andor – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1942 Salzburg – Round ? – Alekhine, Alexander – 1-0 – Keres, Paul – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1942 Salzburg – Round 1 – Alekhine, Alexander – 1-0 – Keres, Paul – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1952 Helsinki olm – Round 1 – Filip, Marius Liviu – 0-1 – Gligoric, Sofija – G164 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1952 Mar del Plata – Round 16 – Michel, Pascal – 1-0 – Garcia Vera, Romeo – G123 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1952 Rio de Janeiro – Round 2 – Bolbochan, Julio – 1-0 – Vasconcelos, Fernando – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1953 GER Ch 15th – Round 7 – Hoffmann, Hans – 0-1 – Platz, Hans – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Bg4 10. d3 Na5
1954 Zonal – Round 19 – Kramer, Haije – 1-0 – Mulcahy, Edmond – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. c3 Be7 8. Qe2 O-O 9. Rd1 Bg4 10. h3 Bh5
1955 Gothenburg Interzonal – Round 20 – Spassky, Boris Vasily – 1/2-1/2 – Unzicker, Wolfgang – G193 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 O-O 8. O-O d6 9. Rd1 Na5 10. Bc2 c5
1955 Odessa Odessa UKR – Round ? – Lein, Anatoly – 1-0 – Poliak, Evsey – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. O-O O-O 9. Rd1 Na5 10. Bc2 c5
1956 Dublin – Round 1 – Stanton, William – 0-1 – Donner, Jan-Hein – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1956 Mar del Plata – Round 3 – Pelikan, Anna – 1-0 – Wexler, Eithan – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 d6 6. c3 Be7 7. O-O O-O 8. Rd1 b5 9. Bb3 Na5 10. Bc2 c5
1957 EU Team Ch – Round 1 – Spassky, Boris Vasily – 1/2-1/2 – Kozma, Julius – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1957 URS-JUG – Round 4 – Tolush, Alexander V – 1/2-1/2 – Ivkov, Borislav – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1958 Buenos Aires CA – Round 10 – Pelikan, Anna – 1/2-1/2 – Piazzini, Luis – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d6 9. Rd1 Bg4 10. h3 Bh5
1958 Hamburg Ch – Round 4 – Rhodin, Bodo – 1/2-1/2 – Rellstab, Ludwig Sr – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Bg4 10. h3 Bh5
1960 Buenos Aires ch-ARG – Round 15 – Pelikan, Anna – 1/2-1/2 – Bolbochan, J. – G109 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1960 Buenos Aires ch-ARG – Round 17 – Pelikan, Anna – 1/2-1/2 – Brunet Espinosa, Roger – G125 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1960 BUL-ch14 Sofia BUL – Round 18 – Daskalov, Georgi – 1/2-1/2 – Kolarov, Atanas S. – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c6
1961 Buenos Aires ch-ARG – Round 1 – Pelikan, Anna – 0-1 – Alonso-Lej De Las Casas, Fernando – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1963 Beverwijk – Round 1 – Mohrlok, Dieter – 1/2-1/2 – Rellstab, Ludwig – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1966 Buenos Aires ch-ARG – Round 11 – Pelikan, Anna – 1/2-1/2 – Bronstein, Luis Marcos – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bb3 O-O 8. O-O d6 9. Rd1 Na5 10. d4 Nxb3
1966 Mar del Plata – Round 11 – Pelikan, Jan – 1/2-1/2 – Emma, Jaime – G51 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
1966 URS Team Ch – Round 1 – Keres, Paul – 0-1 – Lutikov, Anatoly S – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1968 It Buesum GER – Round 14 – Huebner, Robert – 1/2-1/2 – Kolarov, Atanas S. – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Na5 10. Bc2 c5
1968 URS Team Ch – Round 1 – Mosionzhik, Ilya – 1/2-1/2 – Zaitsev, Igor A – G142 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Bg4 10. h3 Bh5
1968 URS Team Ch – Round 1 – Moskalenko, Viktor – 0-1 – Kushnir, Alla – G141 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5
PCA, Tal Memorial 1995 – Round 5 – Anand, Viswanathan – 1-0 – Timman, Jan H – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d6 9. Rd1 Bg4 10. h3 Bh5
World Blitz 2007 – Round 4 – Adams, Michael – 1-0 – Karpov, Anatoly – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d6 8. c3 O-O 9. Rd1 Na5 10. Bc2 c5

C86i — Worrall Attack

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d6 9.Rd1

Eval: [+0.14]

Les coups candidats

9…Na5 — 71.1% (887 parties)

Ambassadeurs : Tiviakov, Sergei (8x), Cooper, Lawrence H (7x), Fomina, Tatyana (6x), Bok, Benjamin (6x), Madl, Ildiko (6x), Varshini, V (6x), Keres, Paul (5x), Pelikan, Anna (5x)

9…Bg4 — 17.6% (219 parties)

Ambassadeurs : Vidarsson, Jon G (3x), Estrada Nieto, Julian (3x), Strikovic, Aleksa (2x), Urbanec, Ladislav (2x), Yemelin, Vasily (2x), Lorenzini, Martin (2x), Howell, David W L (2x), Trabert, Bettina (2x)

9…Bb7 — 3.6% (45 parties)

Ambassadeurs : Abreu Jean, Carlos Paul (1x), Azuaje Rolland, Aidanna Sabrina (1x), Strikovic, Aleksa (1x), Ilincic, Zlatko (1x), Strobel, Matthias (1x), Doerflinger, Josef (1x), Gyllenberg, Mats (1x), Valkeajarvi Simo (1x)

9…Be6 — 2.2% (27 parties)

Ambassadeurs : Kosten, Anthony C. (1x), Flear, Glenn C (1x), Barlov, Dragan (1x), Velimirovic, Dragoljub (1x), Strikovic, Adnan (1x), Shirov, Alexei (1x), McDonnell, James J. (1x), Cobb, James (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Na5	9…Bg4	9…Bb7	9…Be6
<1800	37	51%	27%	14%	5%
1800-2200	440	72%	18%	4%	2%
2200-2600	577	73%	16%	3%	2%
2600+	15	73%	20%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Na5	9…Bg4	9…Bb7	9…Be6
1940s	7	100%	—	—	—
1950s	26	77%	19%	—	—
1960s	24	71%	17%	4%	—
1970s	17	71%	12%	6%	—
1980s	30	63%	13%	7%	7%
1990s	204	64%	20%	4%	5%
2000s	397	71%	19%	3%	2%
2010s	474	75%	16%	4%	1%
2020s	68	63%	18%	1%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Na5	75%	63%	▼ -12.1%
9…Bg4	16%	18%	▲ +2.0%
9…Bb7	4%	1%	▼ -2.7%
9…Be6	1%	4%	▲ +3.1%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 4 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 3 parties
Anand, Viswanathan — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

9…Na5 — 71.1% (887 parties)

1941 — Keres, Paul vs Lilienthal, Andor — 1-0 — Leningrad- Moscow URS
1941 — Keres, Paul vs Lilienthal, Andor — 1-0 — Leningrad RUS
1942 — Alekhine, Alexander vs Keres, Paul Petrovich — 1-0 — It Salzburg AUT
1942 — Alekhine, Alexander vs Keres, Paul — 1-0 — Salzburg AUT
1942 — Alekhine, Alexander vs Keres, Paul — 1-0 — Salzburg AUT

9…Bg4 — 17.6% (219 parties)

1953 — Hoffmann, Hans vs Platz, Hans — 0-1 — Leipzig GER
1954 — Kramer, Haije vs Mulcahy, Edmond — 1-0 — Munich GER
1955 — Boettger, Hellmuth vs Schaefer, Maik — 0-1 — corr FSM/BRD/5 Endr
1958 — Pelikan, Anna vs Piazzini, Luis — 1/2-1/2 — Buenos Aires ARG
1958 — Rhodin, Bodo vs Rellstab, Ludwig Sr — 1/2-1/2 — Hamburg GER

9…Bb7 — 3.6% (45 parties)

1966 — Abreu Jean, Carlos Paul vs Azuaje Rolland, Aidanna Sabrina — 0-1 — Grenoble FRA
1975 — Gyllenberg, Mats vs Valkeajarvi Simo — 1-0 — ?
1986 — Strikovic, Aleksa vs Ilincic, Zlatko — 0-1 — Budva MNE
1987 — Strobel, Matthias vs Doerflinger, Josef — 1/2-1/2 — Wurtemberg
1991 — Estrada Nieto, Julian vs Zarnicki, Pablo Adrian — 0-1 — Buenos Aires ARG

9…Be6 — 2.2% (27 parties)

1985 — Barlov, Dragan vs Velimirovic, Dragoljub — 0-1 — Vrsac SRB
1989 — Kosten, Anthony C. vs Flear, Glenn C — 1/2-1/2 — Hastings ENG
1990 — Strikovic, Adnan vs Shirov, Alexei — 1-0 — Val Maubuee open
1990 — Weill, Roland vs Pytel, Martin — 1-0 — Toulouse FRA
1993 — McDonnell, James J. vs Cobb, James — 0-1 — BCF-ch Dundee SCO

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