Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● d2, ● d5	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 4)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
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	mobile
Ruptures	● c3-c4, ● d2-d4, ● d5-d6	—

C86j — Spanish: Worrall Attack, 7…O-O 8.c3 d5 9.exd5

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 d5 9.exd5 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. dxc6 (Capture en c6, Renforcer le centre — 38 % des parties) ; Nxe5 (Cavalier centralisé en e5 — 31 % des parties) ; d3 (Solidifier le centre — 14 % des parties) ; Ng5 (7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nxd5 (Cavalier centralisé en d5 — 43 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 38 % des parties) ; ...e4 (Occuper le centre — 19 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1910 Hamburg Hauptturnier-B – Round 1 – Eljaschoff, Moissei Z – 1-0 – Schlage, Willi – G6 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 d5 9. exd5 Nxd5 10. Qe4 Be6
1910 Hamburg Hauptturnier-B – Round 1 – Roesch, Alfred – 0-1 – Schlage, Willi – G4 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1928 It BSG Berlin GER – Round 9 – Brinckmann, Alfred – 1-0 – Schlage, Willi – G38 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1929 Karlsbad – Round 1 – Yates, Frederic D – 1/2-1/2 – Vidmar Milan – G120 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 d5 9. exd5 Nxd5 10. d4 exd4
1930 Liege – Round 4 – Thomas, George Alan – 1/2-1/2 – Tartakower, Savielly – G20 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 d5 9. exd5 Nxd5 10. d4 exd4
1933 GER Ch 1st – Round 6 – Brinckmann, Alfred – 1-0 – Kieninger, Georg – G21 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1936 New York ch-USA – Round 1 – Kashdan, Isaac – 1-0 – Simonson, Albert – 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1936 New York ch-USA – Round 15 – Treysman, G. – 0-1 – Fine, Reuben – G46 1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. d3 Bf6
1938 Ljubljana – Round 9 – Szabo, Ladislav – 1-0 – Preinfalk, Anton – G64 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1939 Bad Oeynhausen ch-GER – Round 9 – Kohler, Alfred – 0-1 – Brinckmann, Alfred – G66 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1943 Salzburg – Round ? – Foltys, Jan – 1/2-1/2 – Keres, Paul – G29 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 d5 9. exd5 Bg4 10. dxc6 e4
1946 Pittsburgh Open – Round 1 – Shipman, Walter – 1/2-1/2 – Santasiere, Anthony – G84 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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5
1946 Pittsburgh Open – Round 1 – Yerhoff, Frank – 0-1 – Bisguier, Arthur B – G83 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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5
1948 New York – Round 1 – Kashdan, Isaac – 1/2-1/2 – Bisguier, Arthur B – G10 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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5
1948 Nijmegen – Round 4 – Barendregt, Johan – 0-1 – Stumpers, Louis – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Qe2 O-O 8. c3 d5 9. exd5 Bg4 10. dxc6 e4
1948 Oldenburg – Round 9 – Laudowicz – 1-0 – Sarapu, Ortvin – G7 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 d5 9. exd5 e4 10. Ng5 Bg4
1948 South Fallsburg ch-USA – Round 1 – Kashdan, Isaac – 1-0 – Almgren, Sven – G94 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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5
1956 Denmark ch corr – Round ? – Hulgaard, Herluf – 0-1 – From, Sigfred – G6 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 d5 9. exd5 Bg4 10. Qe3 e4
1959 Dresden – Round 15 – Karaklajic, Nikola – 1/2-1/2 – Lokvenc, Joseph – G110 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 d5 9. exd5 e4 10. Ng5 Na5
1962 Poznan ch POL – Round 2 – Filipowicz, Andrzej – 1/2-1/2 – Grabczewski, Romuald – G13 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 d5 9. exd5 Nxd5 10. Nxe5 Nf4
1965 Rubinstein Memorial – Round 4 – Bednarski, Jacek – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G17 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 d5 9. exd5 e4 10. Ng5 Bg4
1965 Zinnowitz 02nd – Round 3 – Bednarski, Jacek B – 1/2-1/2 – Dely, Peter – G7 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 d5 9. exd5 Bg4 10. d3 Na5

C86j — Spanish: Worrall Attack (1910)

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 d5 9.exd5

Les coups candidats

9…Nxd5 — 59.4% (130 parties)

Ambassadeurs : Geller, Efim P. (2x), Lyon Martinez, Juan Pablo (2x), Tymms, J. D. M.. (2x), Krznaric, Luka (1x), Drakert, William (1x), Bjelica, Dimitrije (1x), Serra Margalef, Joaquin (1x), Dimitrov Iliev, Ilia (1x)

9…Bg4 — 23.7% (52 parties)

Ambassadeurs : Cecchini, Alessandro (2x), Mende, Emil (2x), Hulgaard, Herluf (1x), From, Sigfred (1x), Vorotnikov, Vladislav V (1x), Kaminskij, Sergej (1x), Spirin, N (1x), Novotelnov, Nikolai (1x)

9…e4 — 16.4% (36 parties)

Ambassadeurs : Katalymov, Boris (2x), Hebden, Mark L (2x), Grankin, Aleksey (1x), Vitomskis, Y. (1x), Bednarski, Jacek (1x), Ortega, Rogelio (1x), Aadhitha Karikalan (1x), Lokvenc, Joseph (1x)

9…Na5 — 0.5% (1 parties)

Ambassadeurs : Gobet, Yannick (1x), Ancey, Gerard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Nxd5	9…Bg4	9…e4	9…Na5
<1800	18	72%	17%	11%	—
1800-2200	81	77%	10%	14%	—
2200-2600	56	48%	25%	27%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Nxd5	9…Bg4	9…e4	9…Na5
1950s	8	38%	50%	12%	—
1960s	18	39%	28%	33%	—
1970s	9	56%	44%	—	—
1980s	11	45%	45%	9%	—
1990s	46	39%	37%	22%	2%
2000s	45	56%	22%	22%	—
2010s	71	82%	8%	10%	—
2020s	11	82%	9%	9%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Nxd5	82%	82%	+0.1%
9…Bg4	8%	9%	▲ +0.6%
9…e4	10%	9%	▼ -0.8%
9…Na5	0%	0%	+0.0%

Parties historiques

9…Nxd5 — 59.4% (130 parties)

1950 — Hess, Ralf E. vs Morel, Fernand — 1/2-1/2 — Lucerne SUI
1954 — Evrard, Henri vs Mallet, Paul — 1-0 — ?
1956 — Krznaric, Luka vs Drakert, William — 1/2-1/2 — Montreal CAN
1960 — Bjelica, Dimitrije vs Serra Margalef, Joaquin — 0-1 — Tarragona
1961 — Dimitrov Iliev, Ilia vs Pantaleev, Dimitar Dimitrov — 0-1 — Sofia BUL

9…Bg4 — 23.7% (52 parties)

1950 — Spirin, N vs Novotelnov, Nikolai — 0-1 — URS
1954 — Lewis, Dave vs Hill, Edgar D — 0-1 — Grahamstown
1956 — Hulgaard, Herluf vs From, Sigfred — 0-1 — Denmark ch corr
1957 — Purnis, Ch K vs Klar Kurt — 1-0 — ?
1960 — Merkel, Willy vs Berczy, Jozsef — 0-1 — corr EU/M

9…e4 — 16.4% (36 parties)

1959 — Aadhitha Karikalan vs Lokvenc, Joseph — 1/2-1/2 — Dresden GER
1961 — Platonov, Igor V vs Levin, Mikhail — 1/2-1/2 — Kiev UKR
1962 — Ruban, Evgeny vs Yuan, Zhilin — 0-1 — USSR
1964 — Schneider, Lars-Ake vs Schmitz, Hans-Werner — 0-1 — corr FS
1965 — Grankin, Aleksey vs Vitomskis, Y. — 0-1 — Riga LAT

9…Na5 — 0.5% (1 parties)

1993 — Gobet, Yannick vs Ancey, Gerard — 1-0 — ?

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