Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● a6→b5, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0)	● c5 (2v0), ● e5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e4 (2v1)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 4)
Be3	● Be3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● f1, ● 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	mobile
Ruptures	● e4-e5	● …d6-d5

B80m — Sicilian: Scheveningen, English, 7…b5 8.Qd2 Nbd7

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f3 b5 8.Qd2 Nbd7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. g4 (Attaque à l'aile roi — 72 % des parties) ; O-O-O (Roi en sécurité côté dame, tour active sur colonne d — 19 % des parties) ; a3 (Préparer expansion aile dame — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...h6 (29 % des parties) ; ...b4 (Expansion aile dame — 24 % des parties) ; ...Nb6 (22 % des parties) ; ...Bb7 (Développer c8 — 21 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
? 2000 – Round ? – Thorhallsson, Throstur – 1-0 – Shipov, Sergei – G64 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. g5 Nfd7
30. ECC Open 2014 – Round 4.1 – Radjabov, Teimour – 1-0 – Sasikiran, Krishnan – G74 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O b4
36. Olympiad 2004 – Round 1 – De La Riva Aguado, Oscar – 0-1 – Grischuk, Alexander – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 b5 8. f3 Nbd7 9. g4 Nb6 10. O-O-O Bb7
42. Olympiad 2016 – Round 2.28 – Ly, Moulthun – 0-1 – Kozul, Zdenko – G117 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 Nbd7 8. Qd2 b5 9. O-O-O Nb6 10. Bd3 Bb7
78. Tata Steel GpA 2016 – Round 12.2 – Caruana, Fabiano – 1-0 – Van Wely, Loek – G79 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7
Amber Blindfold 2001 – Round 3 – Almasi, Zoltan – 1-0 – Shirov, Alexei – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. Qf2 Nfd7
Amber Blindfold 2002 – Round 6 – Almasi, Zoltan – 1/2-1/2 – Van Wely, Loek – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. Qf2 Nfd7
Amber Blindfold 2005 – Round 4 – Leko, Peter – 1/2-1/2 – Gelfand, Boris – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 h6 10. a3 Bb7
Amber Rapid 2008 – Round 8 – Morozevich, Alexander – 1-0 – Gelfand, Boris – G33 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O b4
Chess@iceland Blitz Final 2000 – Round 4 – Anand, Viswanathan – 0-1 – Kasparov, Garry – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. a4 Nc4
Corus 2000 – Round 10 – Timman, Jan H – 1-0 – Van Wely, Loek – G64 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7
Corus 2000 – Round 8 – Anand, Viswanathan – 1/2-1/2 – Van Wely, Loek – G50 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7
EU-Cup 24th 2008 – Round 7 – Karjakin, Sergey – 0-1 – Ivanchuk, Vasyl – G89 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O b4
FIDE Candidates 2020 – Round 5.3 – Alekseenko, Kirill – 1/2-1/2 – Vachier-Lagrave, Maxime – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. a3 h5 10. O-O-O Bb7
FIDE GP 2002 – Round 3.3 – Leko, Peter – 1/2-1/2 – Topalov, Veselin – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7
FIDE GP 2002 – Round 4.4 – Leko, Peter – 1/2-1/2 – Georgiev, Krum – G94 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7
FIDE GP Beijing 2013 – Round 4.1 – Karjakin, Sergey – 1/2-1/2 – Grischuk, Alexander – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 e6 9. Be3 b5 10. Qd2 Nbd7
FIDE World Cup 2015 – Round 3.1 – Leko, Peter – 1/2-1/2 – Giri, Anish – G322 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 e6 9. Be3 b5 10. Qd2 Nbd7
Hoogovens 1996 – Round 11 – Ivanchuk, Vasyl – 1/2-1/2 – Van Wely, Loek – G58 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Bb7
Makedonia Palace GP 2013 – Round 11.5 – Kasimdzhanov, Rustam – 1/2-1/2 – Grischuk, Alexander – G53 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O b4
Makedonia Palace GP 2013 – Round 4.2 – Morozevich, Alexander – 1/2-1/2 – Nakamura, Hikaru – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. a3 Bb7
Riga FIDE Grand Prix 2019 – Round 2.1 – Topalov, Veselin – 0-1 – Vachier-Lagrave, Maxime – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 b4 10. Nce2 h6
Saint Louis Blitz 2018 – Round 9.2 – Aronian, Levon – 0-1 – Grischuk, Alexander – G42 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 e6 9. Be3 b5 10. Qd2 Nbd7
SportAccord Blindfold Men 2012 – Round 6.6 – Bologan, Victor – 1/2-1/2 – Ivanchuk, Vasyl – G46 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. Be3 b5 7. Qd2 Nd7 8. f3 Ngf6 9. g4 h6 10. a3 Bb7
SuperGM 2001 – Round 7 – Polgar, Judit – 1/2-1/2 – Kasparov, Garry – G14 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. O-O-O Bb7 10. g4 Nb6
Tal Memorial 2009 – Round 8 – Carlsen, Magnus – 1-0 – Ponomariov, Ruslan – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Ne5
Thessaloniki olm 1988 – Round 5 – Hjartarson, Johann – 1/2-1/2 – Kasparov, Garry – G39 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 b5 8. f3 Nbd7 9. g4 h6 10. O-O-O Bb7
USA Ch 2017 – Round 9.4 – Robson, Ray – 1/2-1/2 – Zherebukh, Yaroslav – G52 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. a3 Bb7
World Blitz 2009 – Round 4 – Dominguez Perez, Leinier – 0-1 – Ponomariov, Ruslan – G36 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Ne5
World Blitz 2009 – Round 40 – Morozevich, Alexander – 1-0 – Ponomariov, Ruslan – G418 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 b5 8. Qd2 Nbd7 9. g4 h6 10. O-O-O Ne5
World Blitz 2019 – Round 7.59 – Khanin, Semen – 0-1 – Yuffa, Daniil – G498 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 b4 10. Nce2 h6
World Blitz 2023 – Round 10.4 – Sjugirov, Sanan – 1/2-1/2 – Vachier-Lagrave, Maxime – G593 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 e6 9. Be3 b5 10. Qd2 Nbd7
World Cup 1988 – Round 1 – Speelman, Jon S – 1/2-1/2 – Sokolov, Andrei – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 b5 8. f3 Nbd7 9. g4 h6 10. O-O-O Qc7
XXII SuperGM 2005 – Round 1 – Leko, Peter – 1/2-1/2 – Kasparov, Garry – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Nbd7 9. g4 Nb6 10. a4 Nc4

B80m — Scheveningen, English (1988)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f3 b5 8.Qd2 Nbd7

Les coups candidats

9.g4 — 72.3% (4570 parties)

Ambassadeurs : Broniek, Mariusz Maciej (44x), Domanov, Dmitry (32x), Wosch, Arkadiusz (28x), Wurschner, Miroslav (24x), Serazeev, Albert Ilievich (17x), Szabo, Krisztian (15x), Gulevich, Anatoly Ivanovich (14x), Tleptsok, Ruslan (13x)

9.O-O-O — 18.8% (1186 parties)

Ambassadeurs : Korneev, Oleg (21x), Popov, Vladimir Valentinovich (11x), Miettinen, Kristo S (8x), Shpakovsky, Aleksandr N (7x), Gulevich, Anatoly Ivanovich (7x), Serazeev, Albert Ilievich (6x), Ortiz Suarez, Isan Reynaldo (5x), Deforel, Jorge Eduardo (5x)

9.a3 — 6.0% (379 parties)

Ambassadeurs : Broniek, Mariusz Maciej (10x), Ermolaev, Andrey (9x), Sherwood, Russell (8x), Santamaría Pérez, Tomás (5x), Ilyin, Pavel Egorovich (4x), Zuev, Denis Vladimirovich (4x), Zemlyanov, Sergey Mikhailovich (4x), Tsygankov, Evgeny Georgievich (4x)

9.a4 — 1.1% (72 parties)

Ambassadeurs : Neufeglise, Herman (1x), In 't Veld, Henry (1x), Ptacnikova, Lenka (1x), Sochorova, Petra (1x), Stevanovic, Igor (1x), Gustafsson, Jan (1x), Rydholm, Lennart (1x), Carlsson, Goeran (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.g4	9.O-O-O	9.a3	9.a4
<1800	316	64%	25%	6%	1%
1800-2200	2433	69%	21%	6%	1%
2200-2600	3033	76%	17%	6%	1%
2600+	104	84%	12%	4%	1%

Évolution par décennie (% des parties)

Décennie	N parties	9.g4	9.O-O-O	9.a3	9.a4
1970s	2	50%	—	50%	—
1980s	108	86%	12%	2%	—
1990s	334	74%	20%	2%	2%
2000s	2066	73%	21%	2%	1%
2010s	3375	71%	18%	9%	1%
2020s	435	72%	16%	9%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.g4	71%	72%	▲ +0.7%
9.O-O-O	18%	16%	▼ -1.4%
9.a3	9%	9%	-0.1%
9.a4	1%	2%	▲ +0.7%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 7 parties
Anand, Viswanathan — 4 parties
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie

Parties historiques

9.g4 — 72.3% (4570 parties)

1972 — Buza, Adrian vs Ghitescu, Theodor — 1-0 — Rumania
1983 — Perri, Aldric vs Ang Ang Koch — 1-0 — Reggio Emilia ITA
1984 — Marczell, Peter Ing vs Steffan, Johannes — 1-0 — W-ch M215 corr
1984 — Yudasin, Leonid vs Lukin, Andrei M — 0-1 — Leningrad RUS
1985 — Aseev, Konstantin N vs Ehlvest, Jaan — 1/2-1/2 — Lvov UKR

9.O-O-O — 18.8% (1186 parties)

1986 — Weinzettl, Ernst vs Moser, Guenter — 1-0 — ?
1986 — Rosen, Willy vs Pukshansky, Mikhail B — 1/2-1/2 — Baltic Sea tt-5 8691
1986 — Chandler, Murray G vs King, Daniel J — 1-0 — Duitsland tt
1987 — Romero Holmes, Alfonso vs Gil Reguera, Juan Carlos — 1-0 — Salou
1987 — Meyer, Claus Dieter vs Bialas, Wolfram — 1/2-1/2 — GER

9.a3 — 6.0% (379 parties)

1971 — Lacalle, Antonio vs Ciocaltea, Victor — 0-1 — Malaga ESP
1981 — Borghi, Humberto vs Cranbourne, Carlos — 0-1 — Cordoba ch-ARG u26
1983 — Hazai, Laszlo Dr. vs Barczay, Laszlo — 1/2-1/2 — Kecskemet HUN
1991 — Laurence, Christophe vs Barbu, George-Viorel — 0-1 — Chalon sur Saone
1993 — Adhami, Vangjel vs Barbu, George-Viorel — 0-1 — Balkaniad men

9.a4 — 1.1% (72 parties)

1992 — Lundberg, Ove vs Wretljung, Lennart — 1-0 — Stockholm SWE
1994 — Neufeglise, Herman vs In 't Veld, Henry — 1/2-1/2 — Nederland tt
1994 — Rydholm, Lennart vs Carlsson, Goeran — 1/2-1/2 — SSKK SM-94 corr Sweden
1995 — Stevanovic, Igor vs Gustafsson, Jan — 0-1 — Leipzig GER
1996 — Ptacnikova, Lenka vs Sochorova, Petra — 0-1 — Usti nad Labem ch-CZE wmn

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