B08b — Pirc: Classical, 5.h3

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3 * ● 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, d5 et g5 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 (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et 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, 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	● g2→h3	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (2v1), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, 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	● d4-d5, ● e4-e5	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1907 Karlsbad – Round 1 – Schlechter, Carl – 1/2-1/2 – Chigorin, Mikhail – G55 1. d4 Nf6 2. Nf3 d6 3. Nc3 g6 4. e4 Bg7 5. h3 Nc6 6. Bf4 O-O 7. d5 Nh5 8. Be3 Ne5 9. Be2 Nxf3+ 10. Bxf3 Nf6
1927 London Olympiad 1st – Round 5.61 – Tarrasch, Siegbert – 1/2-1/2 – Koltanowski, George – G55 1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Bg5 h6 7. Be3 Kh7 8. g4 Ng8 9. Bd3 e5 10. Ne2 Nc6
1945 Novi Sad – Round 1 – Trifunovic, Petar – 0-1 – Milic, Borislav – G31 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 O-O 6. Bg5 Nbd7 7. e5 Ne8 8. Bc4 Nb6 9. Bb3 Kh8 10. Qe2 f6
1946 Moscow RUS – Round 1 – Ravinsky, Grigory – 1-0 – Smyslov, Vladimir – G32 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 c6 6. Be3 Qc7 7. Qd2 O-O 8. Bh6 Nbd7 9. Be2 b5 10. a3 Bb7
1947 URS Ch sf – Round 1 – Veresov, Gavriil – 0-1 – Kamyshov, Mikhail – G2 1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Nf3 Bg7 5. h3 O-O 6. Bg5 c6 7. Qd2 b5 8. Bd3 Qc7 9. O-O e5 10. dxe5 dxe5
1948 Saltsjobaden Interzonal – Round 17 – Trifunovic, Petar – 1/2-1/2 – Bronstein, David I – G155 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Bg5 c5 7. e5 cxd4 8. exf6 exf6 9. Bd2 dxc3 10. Bxc3 Re8+
1956 URS Ch sf – Round ? – Bannik, Anatolij – 1/2-1/2 – Tarasov, Vitaly – G89 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 c6 6. Be3 Nbd7 7. Qd2 Qa5 8. a3 e5 9. b4 Qc7 10. dxe5 dxe5
1957 Bratislava Bratislava SVK – Round 1 – Fuchs, Reinhart – 1-0 – Plater, Kazimierz – G3 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Bf4 c6 7. Bd3 Nfd7 8. O-O e5 9. Bg5 Qb6 10. d5 c5
1957 Mar del Plata – Round 17 – Wexler, Bernardo – 1-0 – Kotov Lundqvist, Alex – G143 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 c6 6. Bf4 Qb6 7. Rb1 Nbd7 8. e5 dxe5 9. dxe5 Ng8 10. Bc4 Nf8
1958 Riga ch-URS – Round 1 – Suetin, Alexey S – 1-0 – Gipslis, Aivars – G77 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 c6 5. h3 Bg7 6. Bf4 Qb6 7. Rb1 O-O 8. Bd3 Nbd7 9. O-O Re8 10. e5 dxe5
1958 URS Ch sf – Round ? – Kholmov, Ratmir D – 1/2-1/2 – Tarasov, Vitaly – G23 1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Nf3 Bg7 5. h3 c5 6. dxc5 Qa5 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. cxd6 Nxe4 10. O-O Nxc3
1959 Wch U20 prel-C – Round 3 – Tcherniak, Gilles – 0-1 – Bielicki, Carlos – G7 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 c6 6. Bd3 O-O 7. O-O Nbd7 8. Re1 e5 9. d5 cxd5 10. Nxd5 Nxd5
1961 CHI Ch – Round 13 – Fernandez, Eduardo – 0-1 – Flores Alvarez, Rodrigo – G30 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. h3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Be3 Qa5 9. O-O O-O 10. Qd2 Nc6
1961 Golden Knights – Round ? – Zalys, Ignas – 1/2-1/2 – Siklos, Alex Sandor – G8 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 c6 6. Be3 Qa5 7. Nd2 Nbd7 8. Be2 O-O 9. O-O b5 10. a3 Qc7
1962 IBM – Round 11 – Czerniak, Magdalena – 1-0 – Rellstab, Ludwig – G56 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 c6 5. h3 Bg7 6. Be3 a6 7. Qd2 b5 8. Bd3 Bb7 9. O-O O-O 10. Bh6 c5
1962 Stockholm – Round 8 – Buskenstrom, Sven – 0-1 – Botvinnik, Mikhail – G24 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 c5 6. Be3 cxd4 7. Nxd4 O-O 8. Qd2 d5 9. e5 Ne4 10. Nxe4 dxe4
1962 Varna olm – Round 5 – Schmid, Leo – 1-0 – Bouwmeester, Hans – G234 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Bc4 c6 7. Bb3 Qc7 8. e5 dxe5 9. dxe5 Rd8 10. Qe2 Nd5
1964 Reykjavik – Round 3 – Olafsson, Fridrik – 1-0 – Bjornsson, Thorarinn – G19 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 O-O 6. Bc4 c6 7. Bb3 d5 8. e5 Ne8 9. Ne2 e6 10. h4 b6
1964 Tel Aviv olm prel – Round 1 – Andersen, Baltser – 0-1 – Malich, Burkhard, Dr. – G36 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. Bg5 O-O 7. Qd2 b5 8. Bd3 Bb7 9. O-O Nbd7 10. e5 Ne8
1964 Tel Aviv olm prel – Round 3 – Kirby, Kenneth – 0-1 – Botvinnik, Mikhail – G84 1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 c6 6. Bc4 b5 7. Bd3 O-O 8. O-O b4 9. Nb1 Nbd7 10. a3 bxa3
1964 UKR Ch – Round 2 – Romanovsky, Rem Konstantinovich – 1-0 – Sakharov, Yuri N – G11 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 O-O 6. Bc4 c6 7. Bb3 Na6 8. O-O c5 9. e5 Ne8 10. Bg5 h6
1965 Buenos Aires ch-ARG – Round 16 – Schweber, Samuel – 1-0 – Behrensen, Jorge – G101 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Bg5 c6 7. Qd2 Qa5 8. Be2 b5 9. Bd3 e5 10. dxe5 dxe5
1965 Wch U20 f-A – Round 4 – Simon Emilio – 0-1 – Zwaig, Arne – G9 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Bc4 c6
1966 It Agio – Round 5 – Czerniak, Moshe – 1-0 – Sandor, Bela – G14 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 c6 6. Bf4 O-O 7. Be2 b5 8. a3 a6 9. O-O Bb7 10. e5 Ne8
1966 La Habana olm fin-C – Round 6 – Letelier Martner, Rene – 1-0 – Durão, Joaquim Manuel – G19 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 c5 6. Bb5+ Nfd7 7. O-O O-O 8. Re1 Nc6 9. Be3 Qa5 10. a3 a6
1966 Rio Hondo zt – Round 7 – Schweber, Samuel – 1/2-1/2 – Pelikan, Jan – G39 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 c6 6. a4 a5 7. Bc4 O-O 8. O-O d5 9. Bd3 dxe4 10. Nxe4 Nxe4
1967 ROM Ch – Round 6 – Fischer, Johann – 0-1 – Drimer, Dolfi – G42 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 O-O 6. Bg5 a6 7. a4 Nc6 8. Qd2 Re8 9. Rd1 Nd7 10. Bc4 Na5
1967 Venice Venice ITA – Round 4 – Paoli, Enrico – 1/2-1/2 – Lengyel, Levente – G14 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 O-O 6. Bc4 c6 7. Bb3 Na6 8. Be3 Nc7 9. Qd2 b5 10. a3 d5
1968 Budapest – Round 1 – Krukovsky, Alexander – 0-1 – Ladanyike-Karakas, Eva – G57 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Bg5 Nbd7 7. e5 Ne8 8. Bc4 Nb6 9. Nd5 Nxd5 10. Bxd5 c6
1968 Buesum – Round 4 – Saemisch, Friedrich – 0-1 – Besser, Hans – G5 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 c6 6. Be3 Qa5 7. Bd3 b5 8. O-O b4 9. Ne2 Bb7 10. a3 bxa3
1968 Montreal Open – Round 3 – Zalys, Ignas – 1-0 – Wenzel, Birger – G4 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 Nbd7 6. Be3 O-O 7. Qd2 a6 8. a4 c5 9. d5 Qa5 10. Ra2 Ne8
1968 Sombor – Round 1 – Kovacs, Laszlo M – 0-1 – Ivkov, Borislav – G11 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 O-O 6. Bg5 c6 7. Qd2 b5 8. a3 Bb7 9. Rd1 a5 10. b4 axb4
1969 Zagreb – Round 15 – Bertok, Mario Jr. – 1/2-1/2 – Marangunic, Srdjan – G105 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. g3 O-O 7. Bg2 Nbd7 8. O-O e5 9. Re1 Re8 10. b3 Qc7
43. Olympiad 2018 – Round 3.1 – Belouadah, Saad – 0-1 – Bauer, Christian – G157 1. d4 Nf6 2. Nf3 d6 3. Nc3 g6 4. e4 Bg7 5. h3 O-O 6. Bg5 a6 7. Bd3 Nc6 8. O-O h6 9. Be3 e5 10. dxe5 dxe5
6. World Blitz 2010 – Round 13.5 – Movsesian, Sergei – 0-1 – Kramnik, Vladimir – G90 1. Nf3 d6 2. e4 Nf6 3. Nc3 g6 4. d4 Bg7 5. h3 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4 Nc6 9. Nb3 Be6 10. Re1 Rc8
Amber Blindfold 1996 – Round 5 – Ljubojevic, Ljubomir – 1-0 – Shirov, Alexei – G5 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. a4 O-O 7. a5 Nbd7 8. Be3 Qc7 9. Be2 e5 10. dxe5 dxe5
Lindores Abbey Stars 2019 – Round 4.1 – Anand, Viswanathan – 1/2-1/2 – Carlsen, Magnus – G7 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 a6 6. a4 O-O 7. Be3 Nc6 8. Bc4 e6 9. d5 exd5 10. exd5 Ne7
Manila Interzonal 1990 – Round 2 – El Taher, Fouad – 0-1 – Nikolic, Predrag – G42 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. a4 O-O 7. Be3 Qc7 8. Qd2 Nbd7 9. Be2 e5 10. dxe5 dxe5
SportAccord Blitz Men 2013 – Round 20.4 – Vachier-Lagrave, Maxime – 1-0 – Grischuk, Alexander – G153 1. d4 Nf6 2. Nf3 d6 3. Nc3 g6 4. e4 Bg7 5. h3 a6 6. Bd3 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. O-O O-O 10. Qf3 e6
Tal Memorial Blitz 2008 – Round 7 – Grischuk, Alexander – 1/2-1/2 – Morozevich, Alexander – G60 1. Nf3 g6 2. e4 d6 3. d4 Nf6 4. Nc3 Bg7 5. h3 c6 6. Be3 Qb6 7. a3 Nbd7 8. Bd3 Qc7 9. Qd2 e5 10. Bh6 O-O
World Blitz 2016 – Round 2.37 – Henriquez Villagra, Cristobal – 1/2-1/2 – Onyshchuk, Volodymyr – G77 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Be2 a6 7. a4 Nc6 8. O-O e5 9. dxe5 dxe5 10. b3 Re8
World Blitz 2017 – Round 19.33 – Zhigalko, Sergei – 1/2-1/2 – Andriasian, Zaven – G994 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. h3 c6 6. a4 a5 7. Be3 O-O 8. Bd3 Qc7 9. O-O e5 10. Re1 Re8
World Blitz 2018 – Round 14.50 – Tukhaev, Adam – 0-1 – Anton Guijarro, David – G850 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. Bd3 O-O 7. O-O Nbd7 8. e5 Ne8 9. Re1 dxe5 10. dxe5 Nc5
World Blitz 2021 – Round 18.63 – Babazada, Khazar – 0-1 – Chigaev, Maksim – G1082 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 O-O 6. Be2 a6 7. O-O b5 8. e5 Ne8 9. Bf4 Bb7 10. Qc1 Nd7
World Blitz Final 2012 – Round 30 – Andreikin, Dmitry – 1-0 – Mamedyarov, Shakhriyar – G230 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. h3 c6 5. Nc3 Nf6 6. a4 O-O 7. Be2 Nbd7 8. O-O e5 9. dxe5 dxe5 10. b3 Qa5
World Rapid 2021 – Round 12.9 – Vachier-Lagrave, Maxime – 1-0 – Petrosian, Tigran L. – G737 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Nf6 6. a4 O-O 7. Bd3 Nbd7 8. O-O e5 9. Re1 Re8 10. dxe5 dxe5
World Rapid 2021 – Round 7.66 – Babazada, Khazar – 1-0 – Smirin, Ilia – G436 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 O-O 6. Be2 c5 7. dxc5 Qa5 8. O-O Qxc5 9. Be3 Qa5 10. Qd2 Nc6

B08b — Classical

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3

Eval: [+0.47]

Les coups candidats

5…O-O — 79.3% (6969 parties) →

Ambassadeurs : Espig, Lutz (27x), Hoi, Carsten (23x), Todorcevic Antic, Miodrag (18x), Pribyl, Josef (16x), Sznapik, Aleksander (15x), Torre, Eugenio (11x), Sarno, Spartaco (11x), Sienczewski, Zbigniew (11x)

5…c6 — 12.8% (1121 parties) →

Ambassadeurs : McNab, Colin A (12x), Reizniece, Dana (5x), Azmaiparashvili, Zurab (4x), Paoli, Enrico (3x), Gipslis, Aivars (3x), Gubanov, Aleksandr (3x), Ditt, Egon (3x), Calzetta Ruiz, Monica (3x)

5…a6 — 2.7% (233 parties)

Ambassadeurs : Gurevich, Michael (3x), Klenburg, Michael (2x), Visschedijk, Marijn (2x), Wuts, Helene (2x), Thollin, Robert (2x), Amura, Claudia (2x), De Haro, Martim Afonso Palma (2x), Knaak, Rainer (1x)

5…c5 — 2.3% (199 parties)

Ambassadeurs : Fullbrook, Nigel (4x), Ermenkov, Evgenij (2x), Forbes, Garry (2x), Steinberg, Sven (2x), Guenther, Carsten (2x), Tolonen, Leo (2x), Lehtinen, Heikki (2x), Parkanyi, Attila (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…O-O	5…c6	5…a6	5…c5
<1800	362	73%	17%	2%	2%
1800-2200	3202	77%	14%	3%	3%
2200-2600	3206	83%	12%	3%	1%
2600+	33	82%	12%	6%	—

Évolution par décennie (% des parties)

Décennie	N parties	5…O-O	5…c6	5…a6	5…c5
1880s	1	—	—	—	—
1900s	1	—	—	—	—
1920s	8	100%	—	—	—
1930s	6	100%	—	—	—
1940s	10	90%	10%	—	—
1950s	38	89%	8%	—	3%
1960s	70	77%	14%	—	6%
1970s	221	88%	8%	0%	2%
1980s	672	85%	10%	2%	2%
1990s	2041	82%	11%	1%	3%
2000s	2513	77%	14%	3%	2%
2010s	2789	78%	13%	4%	2%
2020s	417	76%	13%	5%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…O-O	78%	76%	▼ -1.8%
5…c6	13%	13%	-0.1%
5…a6	4%	5%	▲ +1.4%
5…c5	2%	3%	▲ +0.5%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 6 parties
Tal, Mikhail — 5 parties
Botvinnik, Mikhail — 2 parties
Lasker, Emanuel — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

5…O-O — 79.3% (6969 parties)

1922 — Rubinstein, Akiba vs Selezniev, Alexey — 1-0 — Triberg GER
1925 — De Freitas, Julio Eimard vs Rivas Costa, Santiago — 0-1 — Montevideo URU
1926 — Fox, Maurice vs Eastman, George — 1/2-1/2 — Montreal CAN
1926 — Lasker, Emanuel vs Sidney Gale — 1-0 — Toronto CAN
1926 — Wagner, Heinrich vs Lokvenc, Josef — 1-0 — Vienna AUT

5…c6 — 12.8% (1121 parties)

1946 — Ravinsky, Grigory vs Smyslov, Vladimir — 1-0 — Moscow RUS
1956 — Bannik, Anatolij vs Tarasov, Vitaly — 1/2-1/2 — Kharkov UKR
1957 — Wexler, Bernardo vs Kotov Lundqvist, Alex — 1-0 — Mar del Plata ARG
1959 — Tcherniak, Gilles vs Bielicki, Carlos — 0-1 — Muenchenstein/Basel
1961 — Zalys, Ignas vs Siklos, Alex Sandor — 1/2-1/2 — Golden Knights

5…a6 — 2.7% (233 parties)

1975 — Day, Lawrence A. vs Harper, Brian — 1-0 — Calgary CAN
1980 — Spassky, Boris V. vs Van der Wiel, John T.H. — 1-0 — Baden-Baden GER
1982 — McKay, Roderick M vs Hort, Vlastimil — 1-0 — Lucerne SUI
1984 — Haluska J vs Yuhas, L. — 1-0 — Plymouth ch-MI op
1986 — Sokolov, Ivan vs McDonald, Nathan — 1-0 — Groningen ech-jr

5…c5 — 2.3% (199 parties)

1958 — Kholmov, Ratmir D vs Tarasov, Vitaly — 1/2-1/2 — Tashkent UZB
1961 — Fernandez, Eduardo vs Flores Alvarez, Rodrigo — 0-1 — Santiago de Chile
1962 — Buskenstrom, Sven vs Botvinnik, Mikhail — 0-1 — Stockholm SWE
1966 — Letelier Martner, Rene vs Durão, Joaquim Manuel — 1-0 — La Habana olm fin-C
1967 — Julia Thomas, Roman vs Pritchard, David J — 1/2-1/2 — Oxford ch-BCF

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