B07j — Pirc: 3.Bd3 g6 4.Nf3 Bg7 5.c3

1.e4 d6 2.d4 Nf6 3.Bd3 g6 4.Nf3 Bg7 5.c3 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 5
bQ
bKRoi au centre — vulnérable
bR
bP
bP
bP
bP
bP
bBFou enfermé — mobilité 2
bP
bP
bN
bP
Case forte (2v0)
wPPion central
wPPion central
wP
wBFou actif — mobilité 6
wN
wP
wP
wP
wP
wP
wR
wN
wBFou actif — mobilité 5
wQ
wK
wR
abcdefgh
Atouts. Les Blancs s'appuient sur la case forte g5, un fou actif en d3 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 5
wN
wR
wP
wP
wP
wP
wP
wN
wB
wP
Case forte (2v0)
wP
wP
bP
bN
bP
bP
bB
bP
bP
bP
bP
bP
bR
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 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, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● b2→c3, c3→d4 ● c7→d6, e7→d6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● g5 (2v0) ● g4 (2v0)
Cases faibles
Centre ● d4 (2v0), ● e5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bd3 ● Bd3 Actif (mob. 6)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (b1, c1, a1, h1) 4 (b8, c8, 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 ● c3-c4, ● d4-d5, ● e4-e5 ● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5
Partie
? 1998 – Round ? – Avila Wagner, Juan Jose – 0-1 – Kasparov, Garry – G86
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 e5 8. dxe5 dxe5 9. Nc4 Nh5 10. Re1 Nf4
1922 Weston – Round 5 – Price, Hubert E – 0-1 – Thomas, George Alan – G11
1. Nf3 g6 2. d4 d6 3. e4 Bg7 4. c3 Nf6 5. Bd3 Nbd7 6. Be3 e5 7. O-O O-O 8. h3 Qe7 9. Re1 h6 10. Nbd2 Re8
1946 ARM Ch m – Round 13 – Petrosian, Tigran A. – 1/2-1/2 – Kasparian, Genrikh – G13
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 e5 8. dxe5 dxe5 9. Nc4 Qe7 10. Bg5 h6
1957 Reggio Emilia ch ITA – Round 6 – Siveri, Armando – 0-1 – Primavera, Giuseppe – G20
1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Bd3 O-O 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 Nbd7 9. Na3 a6 10. Qe2 c5
1959 Marianske Lazne – Round 15 – Blatny, Frantisek – 1/2-1/2 – Ujtelky, Maximilian – G103
1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O c5 7. dxc5 dxc5 8. Bg5 Nc6 9. h3 Be6 10. Na3 a6
1963 Rubinstein Memorial – Round 7 – Bednarski, Jacek B – 1/2-1/2 – Ujtelky, Maximilian – G50
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O c5 7. h3 Qc7 8. Be3 Nbd7 9. Nbd2 b6 10. Qe2 Bb7
1964 Buenos Aires – Round 5 – Eliskases, Erich – 1/2-1/2 – Bielicki, Carlos – G49
1. Nf3 g6 2. d4 Bg7 3. c3 d6 4. e4 Nf6 5. Bd3 O-O 6. h3 e5 7. dxe5 dxe5 8. Be3 Qe7 9. Nbd2 Nbd7 10. O-O Nh5
1964 Moscow Ch – Round ? – Orlov, Vsevolod – 0-1 – Nikitin, Aleksander S – G115
1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O c5 7. h3 Qc7 8. Bf4 Qb6 9. Qb3 Qxb3 10. axb3 cxd4
1965 Kiel Open – Round 11 – Lohmann, Heinrich – 1/2-1/2 – Eising, Johannes – G53
1. d4 g6 2. Nf3 Bg7 3. c3 d6 4. e4 Nf6 5. Bd3 Nc6 6. O-O O-O 7. Bg5 h6 8. Bh4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5
1968 Memorial Em. Lasker – Round 1 – Hennings, Artur – 0-1 – Vasiukov, Evgeni – G4
1. d4 d6 2. Nf3 g6 3. c3 Bg7 4. e4 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 Nh5 8. Nc4 e5 9. Bg5 Qe8 10. dxe5 dxe5
1969 Reggio Emilia ITA – Round 2 – Zichichi, Alvise – 1-0 – Micheli, Carlo – G3
1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. Re1 e5 8. dxe5 dxe5 9. Qc2 a5 10. Nbd2 b6
1969 WchT U26 fin-B 16th – Round 7.1 – Boudy Bueno, Julio Leonardo – 0-1 – Sigurjonsson, Gudmundur – G41
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O c6 7. Re1 Bg4 8. Nbd2 e5 9. h3 Bxf3 10. Nxf3 Nbd7
1972 Skopje ol (Men) fin-A – Round 10 – Bednarski, Jacek B – 1/2-1/2 – Andersson, Ulf – G352
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 Nc6 6. Nbd2 O-O 7. O-O e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Nc4 Nh5
1972 Skopje ol (Men) fin-A – Round 4 – Bednarski, Jacek – 1/2-1/2 – Bilek, Istvan – G351
1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Nc4 Qe7
6. World Blitz 2010 – Round 10.10 – Karjakin, Sergey – 1/2-1/2 – Svidler, Peter – G60
1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O c5 7. dxc5 dxc5 8. h3 Nc6 9. a4 Qc7 10. Na3 a6
Biel Interzonal 1985 – Round 14 – Vaganian, Rafael A – 1/2-1/2 – Jansa, Vlastimil – G42
1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Bg5 h6 8. Bh4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5
Biel Interzonal 1993 – Round 10 – Korchnoi, Viktor – 1-0 – Hansen, Curt – G220
1. d4 d6 2. Nf3 g6 3. e4 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. d5 Nb8 8. h3 c6 9. c4 e6 10. dxe6 Bxe6
Biel Interzonal 1993 – Round 3 – Topalov, Veselin – 1-0 – Kakageldyev, Amanmurad – G63
1. d4 g6 2. e4 Bg7 3. c3 Nf6 4. Bd3 d6 5. Nf3 O-O 6. O-O c5 7. a3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. c4 e6
Candidats Tournament 1985 – Round 15 – Jussupow, Artur – 1/2-1/2 – Seirawan, Yasser – G92
1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Bg5 h6 8. Bh4 e5 9. dxe5 dxe5 10. Na3 Be6
Corus 2001 – Round 13 – Kramnik, Vladimir – 1/2-1/2 – Piket, Jeroen – G82
1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O c5 7. h3 Qc7 8. Re1 Nfd7 9. Bg5 Nc6 10. Na3 h6
Dortmund 1995 – Round 1 – Leko, Peter – 1-0 – Lobron, Eric – G3
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. h3 e5 8. Re1 h6 9. Na3 Nd7 10. Bb5 Ne7
Dos Hermanas 1997 – Round 4 – Salov, Valery – 1-0 – Topalov, Veselin – G12
1. d4 g6 2. e4 d6 3. c3 Nf6 4. Bd3 Bg7 5. Nf3 O-O 6. O-O Nc6 7. Re1 Bg4 8. Nbd2 e5 9. h3 Bd7 10. dxe5 Nxe5
FIDE GP 2002 – Round 5.2 – Karpov, Anatoly – 1/2-1/2 – Azmaiparashvili, Zurab – G103
1. d4 d6 2. Nf3 g6 3. e4 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Na3 Bg4 8. h3 Bxf3 9. Qxf3 e5 10. Nc2 Qe8
FIDE WCh KO 2001 – Round 1.2 – Macieja, Bartlomiej – 1-0 – Avrukh, Boris – G102
1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Na3 Bg4 8. h3 Bxf3 9. Qxf3 e5 10. Nc2 Nd7
FIDE WCh KO 2001 – Round 1.2 – Vaganian, Rafael A – 1/2-1/2 – Belkhodja, Slim – G112
1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. d5 Nb8 8. c4 a5 9. Nc3 Na6 10. a3 Bg4
FIDE World Blitz Championship 2014 – Round 16.32 – Sokolov, Ivan. – 1-0 – Kasimdzhanov, Rustam – G149
1. d4 g6 2. e4 Bg7 3. c3 d6 4. Bd3 Nf6 5. Nf3 O-O 6. O-O c5 7. d5 Bg4 8. Nbd2 Nbd7 9. h3 Ne5 10. Be2 Nxf3+
FIDE World Cup 2017 – Round 1.2 – Duda, Jacob – 1-0 – Pantsulaia, Levan – G119
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qc2 Qe7
FIDE World Cup 2025 – Round R2 Blitz 1 – Blohberger Felix – 1/2-1/2 – Yu Yangyi – G426
1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Qe3 g6 7. Bc4 Bg7 8. h3 O-O 9. O-O b6 10. Rd1 Bb7
FIDE World Rapid 2014 – Round 10.27 – Cheparinov, Ivan – 1/2-1/2 – Mchedlishvili, Mikheil – G226
1. d4 d6 2. Nf3 g6 3. e4 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 e5 8. Re1 Nd7 9. Nb3 b6 10. Bg5 f6
Frankfurt rapid 1996 – Round 2 – Leko, Peter – 0-1 – Shirov, Alexei – G3
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. Re1 e5 8. Nbd2 b6 9. a4 a6 10. b3 Bb7
Luzern olm 1982 – Round 14 – Korchnoi, Viktor – 0-1 – Sznapik, Aleksander – G69
1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. d5 Nb8 8. c4 Bg4 9. h3 Bxf3 10. Qxf3 Na6
Madrid 1996 – Round 5 – Korchnoi, Viktor – 0-1 – Azmaiparashvili, Zurab – G20
1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. b4 Nh5 8. b5 Na5 9. Re1 c5 10. bxc6 Nxc6
OHRA-A 1986 – Round 9 – Korchnoi, Viktor – 1/2-1/2 – Nunn, John D M – G26
1. d4 g6 2. e4 d6 3. c3 Nf6 4. Bd3 Bg7 5. Nf3 O-O 6. O-O c5 7. dxc5 dxc5 8. h3 Nc6 9. Qe2 Qc7 10. Re1 Nd7
Smyslov Region Group Cup 2021 – Round 3.3 – Matlakov, Maxim – 1-0 – Zvjaginsev, Vadim – G25
1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. h3 e5 8. Re1 b6 9. Bg5 h6 10. Bh4 Bb7
SportAccord Blitz Men 2013 – Round 10.7 – Kamsky, Gata – 1/2-1/2 – Nepomniachtchi, Ian – G76
1. d4 g6 2. Nf3 Bg7 3. e4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. h3 e5 8. Re1 h6 9. Nbd2 Nh5 10. dxe5 dxe5
Tal Memorial Blitz 2008 – Round 12 – Alekseev, Evgeny – 1/2-1/2 – Tkachiev, Vladislav – G104
1. e4 d6 2. d4 g6 3. Nf3 Nf6 4. Bd3 Bg7 5. c3 O-O 6. O-O Nc6 7. Re1 e5 8. Nbd2 Nh5 9. Nb3 h6 10. Be3 Re8
Thessaloniki olm 1984 – Round 10 – Vaganian, Rafael A – 1-0 – Ermenkov, Evgenij – G60
1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Bg5 Nd7 8. a4 Qe8 9. Na3 a6 10. Qd2 f6
World Blitz 2015 – Round 1.19 – Vovk, Yuri – 1/2-1/2 – Onyshchuk, Volodymyr – G10
1. d4 d6 2. Nf3 g6 3. e4 Nf6 4. Bd3 Bg7 5. c3 O-O 6. O-O Nbd7 7. Re1 e5 8. Nbd2 Re8 9. a4 a6 10. a5 Nh5
World Blitz 2015 – Round 20.70 – Van Foreest, Jorden – 1-0 – Sethuraman, S.P. – G1278
1. d4 d6 2. e4 g6 3. c3 Bg7 4. Nf3 Nf6 5. Bd3 O-O 6. Bg5 Nc6 7. Nbd2 e5 8. O-O h6 9. Bh4 exd4 10. cxd4 g5
World Blitz 2017 – Round 1.50 – Saeed, Ishaq – 0-1 – Malakhov, Valentyn – G43
1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. Re1 e5 8. Bc2 b6 9. h3 Bb7 10. Nbd2 Re8
World Blitz 2018 – Round 17.13 – Yudin, Sergei – 0-1 – Andreikin, Dmitry – G989
1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. h3 e5 8. Re1 Nh5 9. Bf1 h6 10. Na3 Bd7
World Blitz 2018 – Round 18.12 – Kamsky, Gata – 1/2-1/2 – Indjic, Aleksandar – G1045
1. d4 g6 2. Nf3 Bg7 3. c3 d6 4. e4 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. Re1 e5 8. h3 Re8 9. a4 a5 10. Bg5 h6
World Blitz 2018 – Round 20.11 – Ghaem Maghami, Ehsan – 0-1 – Dubov, Daniil – G1159
1. e4 g6 2. d4 d6 3. c3 Nf6 4. Bd3 Bg7 5. Nf3 O-O 6. O-O Nc6 7. Re1 e5 8. h3 Re8 9. d5 Ne7 10. c4 Nh5
World Blitz 2019 – Round 7.46 – Aronian, Levon – 1-0 – Piorun, Kacper – G488
1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. h3 e5 8. Re1 Nh5 9. Be3 h6 10. Nbd2 Qf6
World Blitz 2021 – Round 11.1 – Sanal, Vahap – 0-1 – Carlsen, Magnus – G630
1. e4 g6 2. d4 d6 3. Nf3 Nf6 4. Bd3 Bg7 5. c3 O-O 6. O-O Nc6 7. Be3 e5 8. Nbd2 Ng4 9. Bg5 f6 10. Bh4 Qe8
World Blitz 2022 – Round 8.75 – Sjugirov, Sanan – 1-0 – Haldorsen, Benjamin – G447
1. d4 g6 2. e4 d6 3. Bd3 Bg7 4. c3 Nf6 5. Nf3 O-O 6. O-O Nc6 7. h3 e5 8. Re1 Nh5 9. Bc2 h6 10. Na3 Bd7
World Blitz Final 2012 – Round 11 – Bologan, Victor – 1-0 – Chadaev, Nikolai – G81
1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. h3 e5 8. Re1 Nh5 9. Bf1 h6 10. Na3 Nf4
World Blitz Final 2012 – Round 14 – Gelfand, Boris – 1-0 – Mamedyarov, Shakhriyar – G109
1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nbd7 7. Re1 e5 8. Bg5 h6 9. Bh4 Qe8 10. Nbd2 Nh5
B07j —
1.e4 d6 2.d4 Nf6 3.Bd3 g6 4.Nf3 Bg7 5.c3
Eval: [+0.45]
Les coups candidats
5…O-O — 87.7% (3763 parties)
Ambassadeurs : Godena, Michele (34x), Movsziszian, Karen (20x), Tiviakov, Sergei (20x), Iordachescu, Viorel (19x), McNab, Colin A (17x), Hillarp Persson, Tiger (17x), Hoi, Carsten (15x), Chatalbashev, Boris (15x)
5…Nbd7 — 4.1% (176 parties)
Ambassadeurs : Ivanov, Alexander. (4x), Nyback, Tomi (2x), Godena, Michele (2x), Price, Hubert E (1x), Thomas, George Alan (1x), Kremer, Paul (1x), Gobert, Jozef (1x), Kleinschmidt, Margarete (1x)
5…Nc6 — 3.2% (136 parties)
Ambassadeurs : Eising, Johannes (2x), Pein, Malcolm (2x), Monin, Nikolay (2x), Rogovski, Vladimir (2x), Bronstein, David I (2x), Bruzon Batista, Lazaro (2x), Bareev, Evgeny (2x), Cacco, Christian (2x)
5…Bg4 — 1.8% (76 parties)
Ambassadeurs : Malfagia, Andrea (2x), Staller, Peter (2x), Buchal, Stephan (2x), Ceschi, F. (1x), Busato, Mattia (1x), Vuorinen, Reijo (1x), Holzer Bernd (1x), Pesco, Giuseppe (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…Nbd7 5…Nc6 5…Bg4
<1800 145 78% 9% 1% 5%
1800-2200 1109 83% 5% 4% 3%
2200-2600 2315 93% 2% 3% 1%
2600+ 117 96% 1% 3%
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…Nbd7 5…Nc6 5…Bg4
1920s 2 50% 50%
1940s 1 100%
1950s 5 80% 20%
1960s 19 84% 5% 5%
1970s 91 93% 1% 4% 1%
1980s 193 89% 3% 5% 2%
1990s 1069 88% 4% 2% 2%
2000s 1199 87% 4% 3% 2%
2010s 1414 87% 4% 3% 2%
2020s 297 89% 3% 5% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 87% 89% ▲ +1.4%
5…Nbd7 4% 3% ▼ -0.7%
5…Nc6 3% 5% ▲ +1.7%
5…Bg4 2% 1% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Ju, Wenjun — 4 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 2 parties
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
5…O-O — 87.7% (3763 parties)
1922 — Sjoberg, Victor vs Carls, Carl — 1-0 — GER
1946 — Petrosian, Tigran A. vs Kasparian, Genrikh — 1/2-1/2 — Erevan ARM
1952 — Morel, Fernand vs Chaude de Silans, Chantal — 0-1 — Lucerne SUI
1957 — Siveri, Armando vs Primavera, Giuseppe — 0-1 — Reggio Emilia ch ITA
1959 — Blatny, Frantisek vs Ujtelky, Maximilian — 1/2-1/2 — Marianske Lazne
5…Nbd7 — 4.1% (176 parties)
1922 — Price, Hubert E vs Thomas, George Alan — 0-1 — Weston Super Mare
1954 — Kremer, Paul vs Gobert, Jozef — 1-0 — Amsterdam NED
1967 — Kleinschmidt, Margarete vs Liebert, Ursula — 0-1 — Colditz
1971 — Nuenchert, Eveline vs Lehmann, Christina — 1/2-1/2 — Strausberg
1982 — Aguilar Ruiz, Paola vs Magaldi, Nelson — 0-1 — Brasilero op
5…Nc6 — 3.2% (136 parties)
1965 — Lohmann, Heinrich vs Eising, Johannes — 1/2-1/2 — Kiel GER
1972 — Bednarski, Jacek vs Andersson, Ulf — 1/2-1/2 — Skopje ol (Men) fin-A
1973 — Dawson, Dave vs Pomfret, Richard — 1-0 — New Westminster CAN
1977 — Knezevic, Milorad vs Tal, Mikhail — 0-1 — Leningrad RUS
1978 — Seirawan, Yasser vs Whitehead, Paul — 1/2-1/2 — Memphis, TN USA
5…Bg4 — 1.8% (76 parties)
1979 — Ceschi, F. vs Busato, Mattia — 0-1 — Pellestrina - Venezia ITA
1981 — Vuorinen, Reijo vs Holzer Bernd — 1-0 — corr FIN-BRD
1988 — Malfagia, Andrea vs Pesco, Giuseppe — 1-0 — Caorle ITA
1988 — Malfagia, Andrea vs Pesco, Celso — 1-0 — Caorle ITA
1992 — Boll, Peter vs Naalden, Marc — 1-0 — Roosendaal

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