B07t — Pirc: 4.Be3

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5 et d5, un fou actif en e3 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, le fou f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; Bd3 (Développer Bf1).

♚ 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 f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bf5 (Développer Bc8) ; ...Bb4 (Développer Bf8) ; ...c6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Be3	● Be3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, f1, a1, h1)	5 (b8, 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	semi-ouvert
Ruptures	● d4-d5, ● e4-e5, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
19. Amber Rapid 2010 – Round 2 – Dominguez Perez, Leinier – 1/2-1/2 – Kramnik, Vladimir – G5 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. Bd3 Bb7 7. a3 Nbd7 8. Nf3 e5 9. O-O exd4 10. Bxd4 Bg7
19. European Teams 2013 – Round 9.7 – Efimenko, Zahar – 1-0 – Skoberne, Jure – G330 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Qc7 6. O-O-O Nbd7 7. Nf3 b5 8. e5 b4 9. Ne2 Nd5 10. Nf4 e6
1951 Vancouver – Round 1 – Jursevskis, Aleks – 1/2-1/2 – Vaitonis, Povilas – G13 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Nbd7 5. f4 Bg7 6. e5 Ng8 7. Nf3 Nh6 8. Bc4 e6 9. Bb5 O-O 10. Ne4 d5
1953 Zagreb – Round 5 – Bogdanovic, Rajko – 0-1 – Pirc, Vasja – G53 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. f3 Bg7 7. Nge2 a5 8. g4 a4 9. a3 Nb6 10. Ng3 Be6
1955 Zagreb – Round 5 – Matanovic, Aleksandar – 1/2-1/2 – Pirc, Vasja – G60 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Nbd7 5. Qd2 c6 6. f3 Bg7 7. g4 b5 8. h4 h6 9. Nh3 Nb6 10. b3 a5
1958 Hoogovens – Round 3 – Matanovic, Aleksandar – 1/2-1/2 – Pirc, Vasja – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Nbd7 5. f3 c6 6. Qd2 Bg7 7. g4 h6 8. Nge2 b5 9. Ng3 Nb6 10. b3 a5
1961 Mar del Plata KIM – Round 1 – Rossetto, Hector – 1/2-1/2 – Pelikán, Jiří – G7 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. f3 e5 7. d5 Qa5 8. a3 cxd5 9. b4 Qc7 10. exd5 Bg7
1964 UKR Ch – Round 1 – Bannik, Anatolij – 1-0 – ? – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nf3 Ng4 8. Bg5+ f6 9. h3 fxg5 10. hxg4 Be6
1968 Bristol ch-BCF – Round 7 – Hartston, William R – 0-1 – Penrose, Justin – G76 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 Nbd7 6. Qd2 b5 7. Bd3 Bb7 8. g4 e5 9. g5 Nh5 10. Nce2 Bg7
1969 Hoogovens – Round 10 – Ree, Hans – 0-1 – Donner, Jan-Hein – G80 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 b5 6. Qd2 c6 7. g4 h5 8. g5 Nfd7 9. f4 Nb6 10. b3 d5
1969 Raach zt – Round 21 – Westerinen, Heikki M.J. – 0-1 – Jansson, Borje – G178 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 Nbd7 6. Qd2 Qc7 7. a4 Bg7 8. Bc4 O-O 9. Nge2 Re8 10. h4 d5
1969 YUG Ch 24th – Round 21 – Planinec, Albin – 1/2-1/2 – Parma, Bruno – G82 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 Qc7 8. Bh6 Bxh6 9. Qxh6 Bb7 10. O-O O-O-O
2024 Superbet Chess Blitz – Round 16 – Gukesh D – 0-1 – Carlsen Magnus – G78 1. e4 g6 2. d4 d6 3. Nc3 c6 4. Be3 Nf6 5. Qd2 Nbd7 6. f3 b5 7. h4 Nb6 8. Bd3 h5 9. O-O-O Bg7 10. Nh3 Bxh3
22. ECU Club Cup 2006 – Round 3 – Atlas, Valery – 1/2-1/2 – Nijboer, Friso – G69 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 b5 6. g4 Bg7 7. g5 Nh5 8. Qd2 Nd7 9. Nce2 Nb6 10. Ng3 Nxg3
30. ECC Open 2014 – Round 7.6 – Ibragimov, Ildar – 0-1 – Salgado Lopez, Ivan – G161 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. Nf3 Qc7 7. a4 Bg7 8. Qd2 O-O 9. Bh6 e5 10. Bxg7 Kxg7
36. Olympiad 2004 – Round 1 – Mikheev, Stanislav – 1-0 – Azmaiparashvili, Zurab – G25 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. h3 Bb7 8. Nf3 Qc7 9. O-O Bg7 10. Ne2 O-O
57. ch-RUS 2004 – Round 2 – Timofeev, Artyom – 1/2-1/2 – Tseshkovsky, Vitaly – G7 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. a4 Bg7 6. Qd2 O-O 7. Nf3 Nc6 8. h3 e5 9. d5 Ne7 10. Bc4 Bd7
6. Norway Blitz 2018 – Round 6.4 – Caruana, Fabiano – 0-1 – Mamedyarov, Shakhriyar – G29 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Ng4 5. Bg5 h6 6. Bh4 Bg7 7. Qd2 c6 8. f3 Nf6 9. O-O-O b5 10. Kb1 O-O
6. World Blitz 2010 – Round 19.3 – Movsesian, Sergei – 0-1 – Mamedyarov, Shakhriyar – G134 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Ng4 5. Bg5 h6 6. Bh4 Bg7 7. h3 Nf6 8. e5 Nfd7 9. f4 g5 10. fxg5 hxg5
6. World Blitz 2010 – Round 22.1 – Carlsen, Magnus – 1/2-1/2 – Kramnik, Vladimir – G156 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. a4 Bg7 6. h3 O-O 7. Nf3 Nc6 8. Be2 e5 9. d5 Ne7 10. a5 Ne8
6. World Blitz 2010 – Round 5.2 – Caruana, Fabiano – 1-0 – Kramnik, Vladimir – G27 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 a6 5. Be2 Bg7 6. h4 h5 7. f3 b5 8. Qd2 Nbd7 9. Nh3 Nb6 10. Ng5 O-O
81. Tata Steel GpA 2019 – Round 1.2 – Giri, Anish – 0-1 – Nepomniachtchi, Ian – G2 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 Nbd7 7. O-O-O Nb6 8. g4 Bb7 9. Nh3 Nfd7 10. Be2 e6
81. Tata Steel GpA 2019 – Round 12.4 – Shankland, Sam – 1-0 – Nepomniachtchi, Ian – G73 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. h3 e6 6. Bd3 Nbd7 7. Nf3 b5 8. e5 b4 9. Ne4 Nxe4 10. Bxe4 d5
Amber Blindfold 2008 – Round 10 – Ivanchuk, Vasyl – 0-1 – Mamedyarov, Shakhriyar – G37 1. d4 g6 2. e4 d6 3. Nc3 Nf6 4. Be3 c6 5. h3 Nbd7 6. f4 b5 7. Bd3 b4 8. Nce2 c5 9. Nf3 Bg7 10. dxc5 Nxc5
Amber Rapid 2004 – Round 6 – Topalov, Veselin – 1-0 – Ivanchuk, Vasyl – G19 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. Nf3 Qc7 7. Qd2 b5 8. Bd3 Bb7 9. O-O Bg7 10. Ne2 e5
Bosna SuperGM 2000 – Round 1 – Morozevich, Alexander – 1-0 – Gurevich, Mikhail – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. Nf3 Qc7 7. a4 Bg7 8. Be2 O-O 9. Nd2 b6 10. g4 Bb7
Brussels blitz 1987 – Round 1 – Tal, Mikhail – 0-1 – Torre, Eugenio – G72 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. O-O-O Qa5 7. Kb1 b5 8. Bd3 Nb6 9. Nd5 Qxd2 10. Nxf6+ exf6
Corsican Circuit Final 2016 – Round 1.1 – Andriasian, Zaven – 0-1 – Onyshchuk, Volodymyr – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 b5 6. Qd2 Nbd7 7. g4 Nb6 8. Bd3 h5 9. g5 Nfd7 10. a4 Nc4
Corus 2002 – Round 11 – Adams, Michael – 1-0 – Gurevich, Mikhail – G75 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 e5 8. dxe5 dxe5 9. h3 Bb7 10. a4 a6
Corus A 2010 – Round 5 – Smeets, Jan – 0-1 – Kramnik, Vladimir – G31 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Be2 Bg7 6. Qd2 b5 7. Bh6 O-O 8. e5 dxe5 9. Bxg7 Kxg7 10. Bf3 c6
FIDE World Rapid 2014 – Round 10.12 – Morozevich, Alexander – 1-0 – Onyshchuk, Volodymyr – G210 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 b5 6. Qd2 Bb7 7. O-O-O Nbd7 8. g4 Nb6 9. g5 Nfd7 10. h4 c5
FIDE World Rapid Championship 2014 – Round 15.13 – Fressinet, Laurent – 1/2-1/2 – Nepomniachtchi, Ian – G88 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 b4 7. Nd1 a5 8. a3 bxa3 9. Rxa3 c6 10. Bd3 Bg7
FIDE-Wch k.o. 1999 – Round 3.2 – Short, Nigel D – 1/2-1/2 – Beliavsky, Alexander G – G97 1. e4 d6 2. Nc3 g6 3. d4 Nf6 4. Be3 c6 5. Nf3 Nbd7 6. a4 Bg7 7. Be2 O-O 8. O-O b6 9. Re1 Bb7 10. h3 Qc7
GCT Blitz Paris 2018 – Round 13.3 – Caruana, Fabiano – 0-1 – Mamedyarov, Shakhriyar – G62 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f4 b5 6. Bd3 Ng4 7. Bd2 e5 8. dxe5 dxe5 9. Qf3 exf4 10. Bxf4 Bg7
Lindores Abbey Tal Memorial 2021 – Round 1.34 – Movsesian, Sergei – 1-0 – Javakhishvili, Lela – G28 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 b5 6. e5 b4 7. exf6 bxc3 8. fxe7 Bxe7 9. bxc3 O-O 10. Nf3 Qa5
Lindores Abbey Tal Memorial 2021 – Round 11.39 – Ter-Sahakyan, Samvel – 0-1 – Cori T., Deysi – G498 1. e4 d6 2. d4 g6 3. Nc3 c6 4. Be3 Nf6 5. Qd2 b5 6. f3 Qc7 7. g4 h5 8. g5 Nfd7 9. f4 Nb6 10. b3 Bg7
Novi Sad olm 1990 – Round 9 – Short, Nigel D – 1/2-1/2 – Ftacnik, Lubomir – G58 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. Nf3 Qc7 7. a4 Bg7 8. Be2 O-O 9. O-O b6 10. Nd2 e5
Olympiad 2002 – Round 14 – Akopian, Vladimir – 1-0 – Azmaiparashvili, Zurab – G501 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. Nf3 b5 7. Bd3 Bg7 8. O-O O-O 9. h3 e5 10. dxe5 dxe5
Roquebrune rapid 1992 – Round 12 – Ljubojevic, Ljubomir – 1/2-1/2 – Piket, Jeroen – G39 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. f4 e5 7. dxe5 dxe5 8. Nf3 Qa5 9. Qd2 Bc5 10. Bc4 O-O
Smyslov Region Group Cup 2021 – Round 11.4 – Fedoseev, Vladimir – 1-0 – Zvjaginsev, Vadim – G114 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 Nbd7 7. d5 Nb6 8. a4 b4 9. Na2 a5 10. c3 bxc3
SportAccord Blitz 2014 – Round 8.4 – Grischuk, Alexander – 1-0 – Ponomariov, Ruslan – G60 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 a6 5. h3 Bg7 6. f4 b5 7. e5 Nfd7 8. Qf3 Nb6 9. O-O-O b4 10. Ne4 Be6
Tal Memorial Blitz 2014 – Round 15.4 – Leko, Peter – 0-1 – Svidler, Peter – G88 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Nf3 Bg7 6. Qd2 O-O 7. Bd3 b5 8. Bh6 Nc6 9. Bxg7 Kxg7 10. O-O-O e5
World Blitz 2006 – Round 3 – Erenburg, Sergey – 1-0 – Grischuk, Alexander – G16 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. a4 Bg7 6. h3 O-O 7. Nf3 Nc6 8. Be2 e5 9. O-O exd4 10. Nxd4 Re8
World Blitz 2007 – Round 20 – Morozevich, Alexander – 1-0 – Grischuk, Alexander – G194 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 b5 6. Qd2 Nbd7 7. Rd1 Bb7 8. Nh3 Nb6 9. Be2 Bg7 10. Bh6 O-O
World Blitz 2007 – Round 32 – Leko, Peter – 1-0 – Mamedyarov, Shakhriyar – G313 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Ng4 5. Bg5 h6 6. Bh4 Bg7 7. Qd2 c6 8. f3 Nf6 9. f4 O-O 10. Nf3 b5
World Blitz 2009 – Round 21 – Grischuk, Alexander – 1/2-1/2 – Svidler, Peter – G211 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Qa5 6. Qd2 Nbd7 7. Nf3 e5 8. Bd3 Bg7 9. Bh6 O-O 10. Bxg7 Kxg7
World Blitz 2015 – Round 15.15 – Fressinet, Laurent – 0-1 – Nepomniachtchi, Ian – G915 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 Bb7 7. a4 b4 8. Nd1 a5 9. c3 Na6 10. Bd3 Bg7
World Blitz 2015 – Round 21.12 – Dominguez Perez, Leinier – 1-0 – Onyshchuk, Volodymyr – G1288 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. Nf3 e5 7. dxe5 dxe5 8. h3 Qe7 9. Bd3 Bg7 10. O-O O-O
World Blitz 2016 – Round 19.1 – Carlsen, Magnus – 1-0 – Onyshchuk, Volodymyr – G736 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. h3 Bg7 6. f4 b5 7. e5 Nfd7 8. Nf3 Nb6 9. Bd3 Bb7 10. O-O e6
World Blitz 2016 – Round 4.24 – Volokitin, Andrei – 0-1 – Onyshchuk, Volodymyr – G151 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 Nbd7 7. h4 Nb6 8. a4 Nc4 9. Bxc4 bxc4 10. Nge2 Rb8
World Blitz 2016 – Round 8.14 – Dominguez Perez, Leinier – 1-0 – Onyshchuk, Volodymyr – G305 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. h3 b5 6. e5 Nfd7 7. f4 Bb7 8. Nf3 Nb6 9. Bd3 Bg7 10. Qe2 Nc6
World Blitz 2017 – Round 11.43 – Moiseenko, Alexander – 1-0 – McShane, Luke J – G587 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 e5 8. a4 exd4 9. Nxd4 b4 10. Nce2 c5
World Blitz 2017 – Round 14.26 – Kryvoruchko, Yuriy – 1-0 – Duda, Jan-Krzysztof – G728 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 Bb7 8. O-O Bg7 9. Bh6 Bxh6 10. Qxh6 e5
World Blitz 2017 – Round 16.29 – Saric, Ivan – 1-0 – Mchedlishvili, Mikheil – G835 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Bg7 6. Qd2 O-O 7. Nf3 Nbd7 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 cxd5
World Blitz 2017 – Round 4.51 – Saric, Ivan – 1-0 – Al-Saffar, Araz Basim Mohammed S – G217 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 b5 6. Bd3 Nbd7 7. Nf3 b4 8. Ne2 Bg7 9. O-O O-O 10. Qd2 a5
World Blitz 2017 – Round 6.49 – Volokitin, Andrei – 1-0 – Al-Saffar, Araz Basim Mohammed S – G328 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. g4 Qc7 8. h4 Nb6 9. h5 Bg7 10. hxg6 hxg6
World Blitz 2017 – Round 6.8 – Grigoriants, Sergey – 1-0 – Yu, Yangyi – G337 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. Nf3 Bg7 7. a4 O-O 8. Be2 a5 9. O-O Qc7 10. Nd2 b6
World Blitz 2018 – Round 5.42 – Sjugirov, Sanan – 1-0 – Tukhaev, Adam – G304 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 b5 6. Qd2 Bb7 7. h4 h5 8. Nh3 Nbd7 9. Ng5 Bg7 10. O-O-O b4
World Blitz 2018 – Round 7.45 – Maroroa Jones, Gawain C B – 1-0 – Tukhaev, Adam – G429 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. h3 b5 6. e5 Nfd7 7. Qf3 Ra7 8. O-O-O Bb7 9. Qg3 b4 10. Na4 Ra8
World Blitz 2021 – Round 4.74 – Kovalev, Vladislav – 1-0 – Laith, Kasib – G254 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. g4 Nb6 8. h4 h5 9. g5 Nfd7 10. f4 e6
World Rapid 2016 – Round 13.49 – Darini, Pouria – 1-0 – Zhang, Zhong – G514 1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. a4 b4 8. Nce2 a5 9. Nf3 Bb7 10. O-O c5
World Rapid 2021 – Round 2.25 – Erigaisi Arjun – 1-0 – Petrosian, Tigran L. – G85 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. g4 Nb6 8. b3 h5 9. g5 Nfd7 10. d5 cxd5

B07t —

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3

Eval: [+0.78]

Les coups candidats

4…Bg7 — 46.4% (6911 parties) →

Ambassadeurs : Thiel, Kay (26x), Kadonas, Kestutis (24x), Sarno, Spartaco (20x), Hendriks, Willy (20x), Nichols, Scott (19x), Gardner, Allan (18x), Van Wely, Loek (17x), Brinkmann, Wilhelm Prof Dr (14x)

4…c6 — 45.2% (6734 parties) →

Ambassadeurs : Zimmerman, Yuri (36x), Morihama, Nicolau (28x), Pribyl, Josef (26x), Gagunashvili, Merab (23x), Lauterbach, Ingrid (21x), Praznik, Anton (19x), Peralta, Fernando (19x), Chernin, Alexander (18x)

4…a6 — 6.6% (983 parties)

Ambassadeurs : Nývlt, Zdenek (49x), Conterno, Dominique (37x), Tan, Zhongyi (20x), Onyshchuk, Volodymyr (10x), Tarmak, Mart (10x), Akopian, Robert (8x), Wukits, René (7x), Lagno, Kateryna (7x)

4…Nbd7 — 0.7% (107 parties)

Ambassadeurs : Matanovic, Aleksandar (3x), Pfleger, Helmut, Dr. (3x), Amerika, Katrina (3x), Pirc, Vasja (2x), Ignatiev, Alexander (2x), Heinl, Thomas (2x), Balitos, Joeben Jones (2x), Gregory, Samuel David (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Bg7	4…c6	4…a6	4…Nbd7
<1800	512	71%	24%	3%	1%
1800-2200	5911	52%	41%	5%	1%
2200-2600	5936	32%	57%	10%	1%
2600+	193	26%	51%	21%	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Bg7	4…c6	4…a6	4…Nbd7
1870s	1	100%	—	—	—
1930s	1	100%	—	—	—
1950s	12	42%	17%	—	42%
1960s	29	52%	41%	3%	—
1970s	101	43%	54%	1%	1%
1980s	303	56%	40%	1%	2%
1990s	2360	53%	44%	2%	1%
2000s	5469	44%	52%	2%	1%
2010s	5266	47%	40%	12%	1%
2020s	1347	41%	43%	15%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Bg7	47%	41%	▼ -5.3%
4…c6	40%	43%	▲ +2.7%
4…a6	12%	15%	▲ +3.2%
4…Nbd7	1%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 5 parties
Kramnik, Vladimir — 5 parties
Kasparov, Garry — 3 parties
Hou, Yifan — 3 parties
Carlsen, Magnus — 2 parties
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

4…Bg7 — 46.4% (6911 parties)

1874 — Burn, Amos vs Owen, John — 1-0 — Liverpool ENG
1939 — Mawuli Richardson vs Euwe, Max — 1-0 — Hastings ENG
1952 — Witkowski, Stefan vs Plater, Kazimierz — 0-1 — Katowice POL
1954 — Rossetto, Hector vs Matanovic, Aleksandar — 0-1 — Amsterdam NED
1957 — Haahr, Thorkild vs Nielsen, Axel — 1-0 — ?

4…c6 — 45.2% (6734 parties)

1953 — Bogdanovic, Rajko vs Pirc, Vasja — 0-1 — Zagreb CRO
1956 — Ivanco, Imrich vs Lax, Hendrich — 0-1 — Bratislava SVK
1961 — Rossetto, Hector vs Pelikán, Jiří — 1/2-1/2 — Mar del Plata ARG
1963 — Lebedev, Boris vs Shatskes, Boris A — 1-0 — Moscow RUS
1964 — Pushkar, Viktor vs Gershman, Semion — 1-0 — Kiev UKR

4…a6 — 6.6% (983 parties)

1969 — Ree, Hans vs Donner, Jan-Hein — 0-1 — Wijk aan Zee NED
1974 — Fuller, Maxwell L vs Goffin, Peter — 1-0 — Penang MAS
1989 — Karolyi, Tibor vs Watson, William N — 1/2-1/2 — Budapest HUN
1989 — Nemirovski, Serge vs Chabanon, Jean-Luc — 0-1 — Val Thorens FRA
1991 — Rasmussen, Barry vs Babb, Jeff — 1/2-1/2 — Winnipeg CAN

4…Nbd7 — 0.7% (107 parties)

1951 — Jursevskis, Aleks vs Vaitonis, Povilas — 1/2-1/2 — Vancouver
1953 — Fuderer, Andrija vs Matanovic, Aleksandar — 1-0 — JUG-ch Belgrade YUG
1953 — Andersen, Henrik Bloch vs Nowacki, Marcus — 1-0 — Poznan POL
1955 — Matanovic, Aleksandar vs Pirc, Vasja — 1/2-1/2 — Zagreb CRO
1958 — Matanovic, Aleksandar vs Pirc, Vasja — 1/2-1/2 — Beverwijk NED

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