Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d6
Chaînes	—	● d6→e5
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● d5 (3v1), ● g5 (2v0)	● c5 (2v1)
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb5	● Bb5 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● knight d7
Non développées	3 (● c1, ● a1, ● h1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	—	● …d6-d5

B51j — Sicilian: Moscow 3…Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e5

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qd3 (Centraliser la dame, Prépare O-O-O — 98 % des parties) ; Qd1 (Prépare O-O-O — 2 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...h6 (94 % des parties) ; ...Be7 (Développer f8 — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1968 Lugano olm - Round 1 - Prins, Laura - 1/2-1/2 - Bhend, Edwin - G159 1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. Bb5+ Nbd7 5. d4 cxd4 6. Qxd4 e5 7. Qe3 Be7 8. O-O a6 9. Bc4 b5 10. Bb3 Nb6
2000 New Delhi (FIDE WCh KO) - Round 4.2 - Adams, Michael - 1/2-1/2 - Svidler, Peter - G46 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. Bc4 a6 10. a4 Qc7
40. Olympiad Open 2012 – Round 3.36 – Jeitz, Christian – 0-1 – Banikas, Hristos – G200 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. O-O Be7 9. Be3 O-O 10. a4 Qc7
43. Olympiad 2018 – Round 7.2 – Shankland, Sam – 1-0 – Brkic, Aleksandar – G451 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. a4 a6 9. Bc4 Nc5 10. Qe2 Bg4
Erevan ch-URS 1975 – Round ? – Dvoretzky, Mark – 0-1 – Tal, Mikhail – G46 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. Nd2 O-O 10. f3 Qc7
Moskou ch-URS 1976 – Round 1 – Kupreichik, Viktor D – 0-1 – Polugaevsky, Lev – G15 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. Bc4 O-O 10. O-O Nb6
Olympiad 2002 – Round 11 – Vescovi, Giovanni – 1/2-1/2 – Amonatov, Farrukh – G373 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. Bc4 a6 10. a4 Qa5
Olympiad 2002 – Round 5 – Vescovi, Giovanni – 0-1 – Lesiege, Alexandre – G149 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. Bc4 a6 10. a4 Qc7
Pearl Spring 2008 – Round 9 – Movsesian, Sergei – 1/2-1/2 – Ivanchuk, Vasyl – G21 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. O-O-O a6 10. Bc4 b5
Saint Louis Blitz 2017 – Round 11.2 – Kasparov, Garry – 1/2-1/2 – Nepomniachtchi, Ian – G52 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 Nf6 6. Nc3 e5 7. Qd3 h6 8. Be3 a6 9. Bc4 Be7 10. a4 Qc7
World Blitz 2018 – Round 11.64 – Carlsson, Pontus – 0-1 – Amonatov, Farrukh – G681 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Nf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 Be7 9. a4 O-O 10. O-O Qc7

B51j — Moscow 3…Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e5 (1968)

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e5

Les coups candidats

7.Qd3 — 96.4% (1045 parties)

Ambassadeurs : Suba, Mihai (10x), Gormally, Daniel W (9x), Csom, Istvan (7x), Schuh, Hubert (6x), Licciardello, Salvatore (6x), Alaimo, Riccardo (6x), Yudasin, Leonid (6x), Gallagher, Joseph G. (5x)

7.Qd1 — 2.1% (23 parties)

Ambassadeurs : Provkin, Vladimir (2x), Zufic, Miroslav (2x), Diesen, Mark C (1x), Csom, Istvan (1x), Weiss, Martin (1x), Pigott, Darrell N (1x), Di Donna, Massimo (1x), Aleksic, Aleksandar (1x)

7.Qe3 — 1.0% (11 parties)

Ambassadeurs : Prins, Lodewijk (1x), Bhend, Edwin (1x), Schirmbeck, Hannes (1x), Bures, Vit (1x), Martin Martin, Luis Vicente (1x), Roeder, Matthias (1x), Delfi, Amir Mahan (1x), HAMSTERS DEV 3 CIPS (1x)

7.Qa4 — 0.2% (2 parties)

Ambassadeurs : O'Neale, R. (1x), Auger, David (1x), Havran, Misa (1x), Matovic, Mihajlo Z (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Qd3	7.Qd1	7.Qe3	7.Qa4
<1800	27	96%	—	4%	—
1800-2200	256	93%	4%	2%	0%
2200-2600	703	98%	2%	0%	—
2600+	22	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Qd3	7.Qd1	7.Qe3	7.Qa4
1960s	1	—	—	100%	—
1970s	85	98%	2%	—	—
1980s	65	98%	2%	—	—
1990s	139	97%	1%	—	1%
2000s	411	96%	2%	1%	—
2010s	322	96%	2%	1%	0%
2020s	61	98%	—	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Qd3	96%	98%	▲ +2.7%
7.Qd1	2%	0%	▼ -2.5%
7.Qe3	1%	2%	▲ +0.7%
7.Qa4	0%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 5 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

7.Qd3 — 96.4% (1045 parties)

1972 — Leonidov, Vitaly vs Murey, Jacob — 0-1 — ZSK ch
1972 — Sznapik, Aleksander vs Ribli, Zoltan — 1/2-1/2 — Skopje olm
1972 — Nagy, Ervin Dr. vs Sax, Gyula — 0-1 — HUN
1972 — Miles, Anthony J vs Bielczyk, Jacek — 1-0 — Groningen NED
1972 — Zhidkov, Valery S vs Savon, Vladimir — 1/2-1/2 — Baku ch-URS

7.Qd1 — 2.1% (23 parties)

1974 — Diesen, Mark C vs Csom, Istvan — 0-1 — Hastings ENG
1974 — Weiss, Martin vs Pigott, Darrell N — 1-0 — London ENG
1989 — Di Donna, Massimo vs Aleksic, Aleksandar — 0-1 — Orbassano
1996 — Houser, Pavel vs Firt, Stanislav — 0-1 — Czechia
1997 — Buchanan, Walter F. vs Campbell, Eoin — 1/2-1/2 — Aviemore ch-SCO

7.Qe3 — 1.0% (11 parties)

1968 — Prins, Lodewijk vs Bhend, Edwin — 1/2-1/2 — Lugano olm
2000 — Martin Martin, Luis Vicente vs Roeder, Matthias — 0-1 — Madrid ESP
2004 — Schirmbeck, Hannes vs Bures, Vit — 0-1 — Czechia
2005 — Schlawin, Marlon vs Wippermann, Till — 0-1 — Hamburg GER
2006 — Basson, Heinrich vs Warwaszynski, Zbigniew — 0-1 — IECC

7.Qa4 — 0.2% (2 parties)

1993 — O'Neale, R. vs Auger, David — 1-0 — corr GB jub
2019 — Havran, Misa vs Matovic, Mihajlo Z — 0-1 — Belgrade SRB