B09j — Pirc: Austrian, 5…O-O 6.Bd3 Nc6

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5, un fou actif en d3 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

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. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (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), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (2v1), ● e5 (3v2)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 5)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1950 Hungary – Round 1 – Honfi, Gyorgy – 0-1 – Koberl, Ferenc – G64 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. Be2 c5 9. O-O Bd7 10. a3 Na6
1951 It Dortmund GER – Round 6 – Fuderer, Andrija – 0-1 – Lange, Wilfried – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be3 e5 9. d5 exf4 10. Bxf4 Nd4
1951 YUG Ch 7th – Round 4 – Milic, Borislav – 1/2-1/2 – Udovcic, Mijo – G31 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. O-O c6 9. dxc6 bxc6 10. h3 Qb6+
1963 Leningrad ch-URS – Round ? – Bagirov, Vladimir – 1/2-1/2 – Averbakh, Yuri L – G158 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 Qxd5
1964 Rubinstein Memorial – Round 3 – Witkowski, Stanislaw – 0-1 – Pietrusiak, Bogdan – G11 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Ne2 Bg4 8. O-O e5 9. fxe5 dxe5 10. d5 Nd4
1964 Rubinstein Memorial – Round 8 – Schmidt, Waldemar – 1-0 – Balcerowski, Witold – G35 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. fxe5 dxe5 10. d5 Nd4
1964 Sarajevo 07th – Round 5 – Damjanovic, Mato – 1-0 – Gojak, Ilija – G13 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. d5 Nb4 10. h3 Nxd3+
1964 Tel Aviv olm fin-A – Round 2 – Yanofsky, Daniel Abraham – 0-1 – Botvinnik, Mikhail – G40 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. O-O c6 9. a3 Nxd3 10. Qxd3 cxd5
1964 Tel Aviv olm fin-A – Round 5 – Bisguier, Arthur B – 1-0 – Udovcic, Mijo – G110 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be3 Nd7 9. e5 Nb6 10. h3 Bxf3
1964 URS – Round ? – Estrin, Boris – 1-0 – Lein, Anatoly – G24 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be2 d5 9. e5 Ne4 10. h3 Bxf3
1964 URS Spartakiad – Round ? – Khasin, Abram – 0-1 – Yukhtman, Yakov – G19 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb8 8. O-O c6 9. Qe1 cxd5 10. exd5 Na6
1965 Copenhagen – Round 4 – Hamann, Svend – 1/2-1/2 – Jakobsen, Ole – G50 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. d5 Nd4 10. h3 Nh6
1965 HUN Ch 20th – Round 1 – Honfi, K. – 1/2-1/2 – Sapi, Laszlo – G11 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 a6 8. h3 Nb4 9. g4 b5 10. Be2 d5
1965 IBM – Round 5 – Bouwmeester, Hans – 1/2-1/2 – Parma, Bruno – G20 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. Be2 c6 9. a3 Na6 10. Be3 Qc7
1965 Noordwijk – Round 4 – Kort, Jacob – 0-1 – Bobotsov, Milko G – G17 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be3 e5 9. fxe5 dxe5 10. d5 Nd4
1965 Novi Sad – Round 18 – Gligorić, Svetozar – 1/2-1/2 – Matulovic, Milan – G151 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb8 8. O-O c6 9. dxc6 Nxc6 10. f5 d5
1965 Wch U20 f-A Barcelona ESP – Round 2 – Hartoch, Robert G – 1/2-1/2 – Zwaig, Arne – G6 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. Be2 c6 9. a3 Na6 10. Bxa6 bxa6
1966 La Habana olm fin-A – Round 5 – Padevsky, Nikola – 1-0 – Zwaig, Arne – G95 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. e5 dxe5 9. dxe5 Nd5 10. Bd2 Nd4
1966 La Habana olm prel – Round 6 – Sardinha, Helder – 0-1 – Balcerowski, Witold – G246 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be3 e5 9. Ne2 exd4 10. Nexd4 Re8
1966 Rio Hondo zt – Round 2 – Rubinetti, Jorge – 1-0 – De Souza Mendes, Joao – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. Be2 a5 9. O-O c6 10. Kh1 Na6
1966 Rzeszow ch POL – Round 3 – Schmidt, Wlodzimierz – 1/2-1/2 – Balcerowski, Witold – G21 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Ne7 10. Qd2 c6
1966 WchTJ U26 fin-A – Round 9 – Moe, Mogens – 1/2-1/2 – Marangunic, Srdjan – G55 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. d5 Nd4 9. Kh1 Nxf3 10. gxf3 Bc8
1967 Hoogovens – Round 8 – Cuijpers, Frans Andre – 1/2-1/2 – Donner, Jan-Hein – G57 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Ne7 10. O-O Ne8
1967 Krems – Round 1 – Dueckstein, Andreas – 1-0 – Andersen , Malik Anton – G9 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. fxe5 dxe5 10. d5 Nd4
1967 Sofia – Round 1 – Minev, Nikolay N – 1-0 – Anagnostopoulos, Dimitrios – G4 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be3 e5 9. dxe5 dxe5 10. h3 Bxf3
1967 Szczecin ch POL – Round 10 – Nowacki, Marian – 1-0 – Balcerowski, Witold – G49 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Ne7 10. Qe2 Ne8
1967 Vrnjacka Banja zt – Round 8 – Hindle, Owen M – 1/2-1/2 – Gheorghiu, Florin – G54 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. e5 Ne8 9. Be3 Nb4 10. Be2 c6
1968 Bamberg – Round 10 – Keres, Paul – 1-0 – Westerinen, Heikki M.J. – G71 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Bb5 Nd7 9. Ne2 e5 10. c3 Qe7
1968 Bristol ch-BCF – Round 1 – Speed, Graham – 1-0 – Littlewood, Norman – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bd3 Nc6 6. Nf3 O-O 7. O-O Bg4 8. Be3 Nd7 9. Be2 Bxf3 10. Rxf3 e5
1968 Corr – Round 1 – Yudovich, Mikhail M – 1/2-1/2 – Luik, Helmuth – G17 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O e5 8. fxe5 dxe5 9. d5 Ne7 10. Nxe5 Nfxd5
1968 Lugano olm - Round 1 - Venalainen, Unto E. - 0-1 - Keene, Raymond D - G248 1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. d4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Ne2 e5 9. c3 exd4 10. Nexd4 Re8
1968 Monte Carlo – Round 2 – Letzelter, Jean-Claude – 0-1 – Gheorghiu, Florin – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Ne2 Nb4 9. h3 Nxd3 10. Qxd3 Bd7
1968 USSR – Round 1 – Liublinsky, Victor – 0-1 – Tolush, Alexander – G42 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Ne7 10. Qd2 c6
1968 WchT U26 15. fin-B – Round 3.2 – Eichhorn, Ernst – 0-1 – Zwaig, Arne – G14 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Qe2 Bg4 8. Be3 e5 9. fxe5 dxe5 10. d5 Nd4
1968 Yugoslavia – Round 15 – Baretic, Dragoljub – 0-1 – Pirc, Vasja – G14 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Nd4 10. Nxe5 Nxd5
1969 IBM I – Round 3 – Portisch, Lajos – 1/2-1/2 – Vasiukov, Evgeni – G13 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 Qxd5
1969 Leeuwarden ch-NED – Round 10 – Cuijpers, Frans Andre – 1/2-1/2 – Donner, Jan-Hein – G47 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. fxe5 dxe5 10. d5 Nd4
1969 Mar del Plata zt – Round 1 – Rubinetti, Jorge – 1-0 – Mecking, Henrique – G31 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Nd4 10. Nxe5 Nxd5
1970 Vinkovci – Round 7 – Bronstein, David Ionovich – 1/2-1/2 – Parma, Bruno – G91 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Nb4 8. O-O c6 9. dxc6 bxc6 10. Kh1 Nxd3
1971 Moscow – Round 1 – Savon, Vladimir Andreevichndreevich – 1/2-1/2 – Hort, Vlastimil – G167 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. f5 Nb4 8. fxg6 hxg6 9. Bg5 Nxd3+ 10. Qxd3 d5
1971 Moscow – Round 1 – Savon, Vladimir Andreevichndreevich – 1/2-1/2 – Hort, Vlastimil – G168 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. f5 Nb4 8. fxg6 Nxd3+ 9. Qxd3 hxg6 10. Bg5 d5
5. Sinquefield Cup 2017 – Round 5.4 – Karjakin, Sergey – 1/2-1/2 – Nepomniachtchi, Ian – G24 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bd3 O-O 6. Nf3 Nc6 7. Be2 Bg4 8. Be3 Bxf3 9. Bxf3 e5 10. fxe5 dxe5
KRO-tweekamp 1987 – Round 2 – Ljubojevic, Ljubomir – 1/2-1/2 – Timman, Jan H – G2 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. e5 dxe5 9. dxe5 Nd5 10. Qe1 Ndb4
Moscow 1971 – Round ? – Savon, Vladimir Andreevichndreevich – 1/2-1/2 – Hort, Vlastimil – G52 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. f5 Nb4 8. fxg6 hxg6 9. Bg5 Nxd3+ 10. Qxd3 d5
Moskou 1981 – Round 1 – Balashov, Yuri S – 0-1 – Timman, Jan H – G20 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. O-O e5 8. fxe5 dxe5 9. d5 Nb4 10. Bc4 Ne8
World Blitz 2018 – Round 1.94 – Mamatov, Melis – 0-1 – Saric, Ivan – G72 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 O-O 6. Bd3 Nc6 7. O-O e5 8. dxe5 dxe5 9. f5 Nb4 10. Bg5 Nxd3
World Blitz 2018 – Round 9.58 – Abdusattorov, Nodirbek – 1-0 – Saric, Ivan – G557 1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 Nf6 5. Bd3 O-O 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. fxe5 dxe5 10. Bg5 c6

B09j — Austrian

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6

Eval: [+0.57]

Les coups candidats

7.O-O — 44.8% (2481 parties)

Ambassadeurs : Zakharevich, Igor (12x), Serner, Arpad Dr (12x), McNab, Colin A (9x), Ludgate, Alan (9x), Hoefer, Hans-Peter (8x), Slobodjan, Roman (7x), Timman, Jan H (7x), Bellin, Robert (7x)

7.e5 — 44.1% (2440 parties) →

Ambassadeurs : Nývlt, Zdenek (26x), Degterev, Pavel (19x), Tarmak, Mart (19x), Vadasz, Laszlo (16x), Donner, Jan-Hein (13x), Etruk, Rein T (13x), Timman, Jan H (12x), Keene, Raymond D (11x)

7.Be3 — 3.8% (211 parties)

Ambassadeurs : Van der Weide, Piet (6x), Donner, Jan-Hein (5x), Balcerowski, Witold (4x), Nijdam, Wietze (3x), Cuijpers, Frans Andre (3x), Van der Tak, Abraham C (2x), Pirc, Vasja (2x), Woelk, Siegfried (2x)

7.d5 — 3.0% (164 parties)

Ambassadeurs : Rubinetti, Jorge (2x), De Souza Mendes, Joao (2x), Parma, Bruno (2x), Etruk, Rein T (2x), Pribyl, Josef (2x), Parr, David (1x), Platzack, Sven (1x), Gligorić, Svetozar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.O-O	7.e5	7.Be3	7.d5
<1800	123	48%	37%	6%	5%
1800-2200	1650	47%	41%	3%	4%
2200-2600	2036	41%	51%	3%	2%
2600+	45	36%	60%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.O-O	7.e5	7.Be3	7.d5
1910s	2	—	—	—	—
1920s	1	100%	—	—	—
1950s	3	33%	—	—	67%
1960s	145	23%	48%	16%	10%
1970s	561	26%	57%	6%	2%
1980s	620	58%	34%	4%	2%
1990s	1136	54%	36%	4%	2%
2000s	1254	53%	37%	3%	3%
2010s	1467	36%	53%	3%	3%
2020s	345	36%	52%	2%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.O-O	36%	36%	-0.0%
7.e5	53%	52%	▼ -1.3%
7.Be3	3%	2%	▼ -0.9%
7.d5	3%	3%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

7.O-O — 44.8% (2481 parties)

1927 — Castells Mendez, R. vs Holtey, Guillermo — 1-0 — Buenos Aires ARG
1951 — Fuderer, Andrija vs Lange, Wilfried — 0-1 — It Dortmund GER
1962 — De Rooi, Paul vs Sandor, Bela — 0-1 — It IIb Beverwijk NED
1963 — Tolush, Alexander V vs Polugaevsky, Lev — 1/2-1/2 — Moscow RUS
1963 — Bagirov, Vladimir vs Averbakh, Yuri L — 1/2-1/2 — Leningrad ch-URS

7.e5 — 44.1% (2440 parties)

1962 — Ankerst, Mihael vs Udovcic, Mijo — 0-1 — Vrnjacka Banja SRB
1963 — Gufeld, Eduard vs Polugaevsky, Lev — 1/2-1/2 — Leningrad ch-URS
1963 — Matulovic, Milan vs Balcerowski, Witold — 1/2-1/2 — Polanica Zdroj POL
1963 — Bojkovic, Slobodan vs Zwaig, Arne — 1/2-1/2 — Vrnjacka Banja SRB
1964 — Pietrusiak, Bogdan vs Balcerowski, Witold — 1/2-1/2 — Polancia Zdroj

7.Be3 — 3.8% (211 parties)

1964 — Damjanovic, Mato vs Gojak, Ilija — 1-0 — Sarajevo BIH
1964 — Schmidt, Waldemar vs Balcerowski, Witold — 1-0 — Polanica Zdroj POL
1965 — Stein, Leonid vs Matanovic, Aleksandar — 1-0 — Vrnjacka Banja SRB
1965 — Honfi, K. vs Sapi, Laszlo — 1/2-1/2 — HUN
1965 — Kapengut, Albert vs Etruk, Rein T — 1-0 — Omsk RUS

7.d5 — 3.0% (164 parties)

1950 — Honfi, Gyorgy vs Koberl, Ferenc — 0-1 — Budapest HUN
1951 — Milic, Borislav vs Udovcic, Mijo — 1/2-1/2 — Sarajevo BIH
1964 — Khasin, Abram vs Yukhtman, Yakov — 0-1 — URS Spartakiad
1964 — Yanofsky, Daniel Abraham vs Botvinnik, Mikhail — 0-1 — Tel Aviv ISR
1964 — Pohla, Harry vs Etruk, Rein T — 1-0 — Estonia

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