E92o — King’s Indian: Petrosian, 7…c5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, case forte g5, paire de fous.
Faiblesses adverses : arriérés d6, f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, Be2 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, paire de fous.
Faiblesses adverses : Bc1 enfermé, Be2 enfermé, roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriérés d6, f7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E92o — Petrosian

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 c5

Eval: [+1.23]

Les coups candidats

8.Bg5 — 46.1% (94 parties) →

Ambassadeurs : Gligorić, Svetozar (2x), Quinteros, Miguel A. (2x), Ree, Hans (2x), Kljucharev, Sergey (2x), Barczay, Laszlo (1x), Bilek, Istvan (1x), Petrosian, Tigran A. (1x), Nikolaevsky, Yuri V (1x)

8.O-O — 32.8% (67 parties)

Ambassadeurs : Cantero, Ronaldo (2x), Carracedo Casas, Eloy Manuel (2x), Rejfir, Josef (1x), Jezek, Stanislav (1x), Uhlmann, Wolfgang (1x), Pachman, Ludek (1x), Jauregui Andrade, Carlos (1x), Wells, Daniel (1x)

8.dxc6 — 7.8% (16 parties)

Ambassadeurs : Bukhover, Alik (1x), Sakharov, Yuri N (1x), De Los Rios, Antonio (1x), Rossetto, Hector (1x), Alonso-Lej De Las Casas, Fernando (1x), Vallejos Oscar Angel (1x), Ferreras Reiter, Leonhard (1x), Berecz, Arpad (1x)

8.h3 — 5.9% (12 parties)

Ambassadeurs : Flohr, Salo (1x), Aronin, Lev (1x), Arraya, Jorge (1x), Schweber, Samuel (1x), Hadjiyiannis, Costas (1x), Kleopas, Georgios (1x), Pandorf, Horst (1x), Prison, Hans Albert (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Bg5	8.O-O	8.dxc6	8.h3
<1800	5	20%	40%	—	40%
1800-2200	56	38%	43%	12%	2%
2200-2600	70	54%	27%	3%	3%

Évolution par décennie (% des parties)

Décennie	N parties	8.Bg5	8.O-O	8.dxc6	8.h3
1940s	1	—	—	—	100%
1950s	7	43%	57%	—	—
1960s	22	59%	27%	9%	5%
1970s	13	62%	31%	8%	—
1980s	14	43%	57%	—	—
1990s	55	33%	27%	16%	11%
2000s	47	60%	23%	4%	2%
2010s	40	40%	40%	5%	8%
2020s	5	40%	60%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Bg5	40%	40%	+0.0%
8.O-O	40%	60%	▲ +20.0%
8.dxc6	5%	0%	▼ -5.0%
8.h3	8%	0%	▼ -7.5%

Parties historiques

8.Bg5 — 46.1% (94 parties)

1957 — Petrosian, Tigran A. vs Nikolaevsky, Yuri V — 1-0 — Kiev UKR
1959 — Bolbochan, J. vs Schweber — 1/2-1/2 — Buenos Aires ARG
1959 — Todorova, Paunka vs Zvorykina, Kira — 0-1 — Plovdiv BUL
1960 — Pachman, Ludek vs Smailbegovic, Hasan — 1-0 — Sarajevo BIH
1960 — Aguilera Bazan, Oscar vs Alvarez del Monte, Jose — 1-0 — Mar del Plata ARG

8.O-O — 32.8% (67 parties)

1952 — Lundin, Erik vs Rabar, Bakhtyar Hamasaleh — 1/2-1/2 — Helsinki FIN
1958 — Uhlmann, Wolfgang vs Pachman, Ludek — 0-1 — Munchen olm
1959 — Radev, Nikolai vs Kostov, Petko — 1-0 — BUL-ch Sofia BUL
1959 — Radev Iordanov, Nikolay vs Staw, Philippe — 1-0 — Budapest HUN
1960 — Rejfir, Josef vs Jezek, Stanislav — 1/2-1/2 — Ostrava CZE

8.dxc6 — 7.8% (16 parties)

1960 — De Los Rios, Antonio vs Rossetto, Hector — 0-1 — Asuncion PAR
1963 — Bukhover, Alik vs Sakharov, Yuri N — 1/2-1/2 — Kiev UKR
1974 — Alonso-Lej De Las Casas, Fernando vs Vallejos Oscar Angel — 1-0 — Zarate
1991 — Acosta Vasquez, Gabriel Alejandro vs Romieux, Sebastien — 0-1 — Torcy
1991 — Uusi-Oukari, Seppo vs Penttinen, Jarkko — 0-1 — It (open) \ Jyvaskyla (Finla

8.h3 — 5.9% (12 parties)

1948 — Flohr, Salo vs Aronin, Lev — 1/2-1/2 — Moskou ch-URS
1966 — Arraya, Jorge vs Schweber, Samuel — 0-1 — Havana CUB
1992 — Hadjiyiannis, Costas vs Kleopas, Georgios — 0-1 — Cyprus
1992 — Pandorf, Horst vs Prison, Hans Albert — 0-1 — Koblenz
1993 — Janisch, Robert vs Baumegger, Siegfried — 1-0 — Strassenbahn-Hartberg

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d6, ● f7
Chaînes	● c4→d5, e4→d5	● d6→c5, d6→e5, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (4v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	● d4	—
Centre	● d5 (4v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (c1, a1, h1)	3 (b8, 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	fermé

Partie
1948 Moskou ch-URS – Round 16 – Flohr, Salo – 1/2-1/2 – Aronin, Lev – G135 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 e5 6. d5 O-O 7. Nf3 c5 8. h3 Na6 9. Be3 Nh5 10. Nd2 Nf4
1952 Helsinki olm – Round 1 – Lundin, Erik – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G213 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 c5 8. O-O Na6 9. Ne1 Ne8 10. f4 exf4
1953 Hastings ch-BCF – Round 6 – Newman Caceres, Reynaldo Adolfo – 0-1 – Barden, Leonard – G52 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. d5 d6 6. e4 O-O 7. Be2 e5 8. dxe6 fxe6 9. O-O Nc6 10. h3 Qe7
1954 Kiev ch-URS – Round 1 – Borisenko, Georgy K – 0-1 – Petrosian, Tigran A. – G70 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 c5 7. d5 e5 8. g3 Nbd7 9. Nh4 Ne8 10. Qc2 a6
1955 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Petrosian, Tigran A. – G42 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. O-O Ne8 9. a3 f5 10. b4 Na6
1956 Moscow olm prel – Round 7 – Golombek, Harry – 1/2-1/2 – Olafsson, Fridrik – G217 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. e4 d6 7. Be2 e5 8. dxe6 fxe6 9. e5 Ne8 10. exd6 Nxd6
1956 URS Ch sf – Round ? – Spassky, Boris V. – 1-0 – Zilber, Israel – G38 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. h3 b5 9. cxb5 a6 10. bxa6 Nh5
1957 It Gotha GER – Round 6 – Udovcic, Mijo – 1/2-1/2 – Vasiukov, Evgeni – G15 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Na6 9. Ne1 Nd7 10. g3 f5
1957 Rio de Janeiro zt – Round 1 – Najdorf, Miguel – 1-0 – Gentil Junior, Luiz – G39 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 e5 6. d5 c5 7. Nf3 O-O 8. h3 Nh5 9. g3 h6 10. Nh2 Nf6
1958 Munich olm fin-A – Round 2 – Uhlmann, Wolfgang – 0-1 – Pachman, Ludek – G13 1. d4 Nf6 2. c4 g6 3. d5 d6 4. Nc3 e5 5. Nf3 Bg7 6. e4 O-O 7. Be2 c5 8. O-O Ne8 9. a3 f5 10. b4 Na6
1959 Boehlen U20 – Round 4 – Kuettner, Uwe – 1-0 – Neukirch, Detlef – G6 1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. e4 e5 6. Be2 Nf6 7. Nf3 O-O 8. O-O Nh5 9. Ne1 Nf4 10. Nd3 Nxd3
1959 Dresden – Round 10 – Karaklajic, Nikola – 0-1 – Taimanov, Mark E – G69 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. dxe6 Bxe6 9. O-O Nc6 10. Bf4 Qa5
1959 Tbilisi ch-URS – Round 16 – Krogius, Nikolai V – 1/2-1/2 – Yukhtman, Yakov – G131 1. c4 Nf6 2. d4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. a3 f5 10. b4 Na6
1959 Tbilisi ch-URS – Round 16 – Tal, Mikhail – 1/2-1/2 – Spassky, Boris Vasily – G133 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Nbd7 9. a3 h6 10. Ne1 a6
1960 Asuncion – Round 10 – De Los Rios, Antonio – 0-1 – Rossetto, Hector – G41 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. d5 c5 8. dxc6 bxc6 9. O-O Na6 10. Bg5 h6
1960 CSR Ch – Round 3 – Rejfir, Josef – 1/2-1/2 – Jezek, Stanislav – G22 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. d5 c5 8. O-O Na6 9. a3 Qe7 10. Ne1 b6
1961 Belgrade Open – Round 5 – Gligorić, Svetozar – 0-1 – Doda, Zbigniew – G12 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. Nd3 Nf6
1961 Belgrade Open Belgrade YUG – Round 3 – Karaklajic, Nikola – 1-0 – ? – G6 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. dxe6 fxe6 9. e5 dxe5 10. Qxd8 Rxd8
1961 Belgrade Open Belgrade YUG – Round 8 – Forintos, Gyozo V – 0-1 – Vasiukov, Evgeni – G15 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. dxe6 Bxe6 9. Bf4 Qb6 10. O-O Rd8
1961 Bled – Round 18 – Najdorf, Miguel – 0-1 – Ivkov, Borislav – G156 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Ng4 9. Ne1 Nh6 10. Nd3 Nd7
1961 Kiev (Ukraine) – Round 9 – Kostiuchenko, Alexander – 0-1 – Kots, Yuri I – G14 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 g6 5. Nc3 Bg7 6. e4 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. f4 exf4
1961 Maroczy Memorial Budapest HUN – Round 1 – Bronstein, David I – 1/2-1/2 – Haag, Ervin – G30 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 c5 7. d5 e5 8. dxe6 Bxe6 9. O-O Nc6 10. h3 Qb6
1961 WchT U26 08th – Round 2.3 – Sherwin, James T – 0-1 – Gufeld, Eduard – G17 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1961 Zevenaar – Round 2 – Stahlberg, Gideon – 1/2-1/2 – Milic, Bozidar – G26 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1961 Zevenaar – Round 9 – O'Kelly, A. – 1/2-1/2 – Milic, Bozidar – G64 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Ng4 9. Ne1 Nh6 10. Nd3 Nd7
1962 Argentina – Round 1 – Goldenberg, Edgardo – 1-0 – Schweber, Samuel – G9 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. O-O Nh5 9. g3 Bh3 10. Re1 Bg4
1962 Argentina – Round 8 – Foguelman, Alberto – 1-0 – Garcia Rodriguez, Raimundo – G39 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. Be3 Nh5 9. g3 f5 10. Qc2 Na6
1962 Bucharest – Round 8 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Pavlov, Mircea-Sergiu-Aurelian – G39 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. O-O Ne8 9. Bg5 Bf6 10. Be3 Bg7
1962 Varna olm – Round 9 – Lokvenc, Josef – 1/2-1/2 – Brinck-Claussen, Bjorn – G201 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. O-O Ne8 9. Bg5 f6 10. Bd2 f5
1963 Halle zt – Round ? – Malich, Burkhard, Dr. – 1/2-1/2 – Pavlov, Mircea-Sergiu-Aurelian – G140 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. O-O Ne8 9. Ne1 f5 10. Nd3 Nf6
1963 Hoogovens – Round 3 – Pilnik, Herman – 0-1 – Donner, Jan-Hein – G30 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Ne8 9. a3 a5 10. Rb1 Na6
1963 Hoogovens – Round 5 – Van Scheltinga, Theo – 1/2-1/2 – Armoon Tan, Hooman – G43 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. dxe6 Bxe6 9. O-O Nc6 10. Bf4 Qb6
1963 UKR Ch – Round 10 – Bukhover, Alik – 1/2-1/2 – Sakharov, Yuri N – G61 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 O-O 5. Be2 d6 6. Nf3 e5 7. d5 c5 8. dxc6 bxc6 9. O-O Qe7 10. Ne1 a5
1964 Amsterdam Interzonal – Round 8 – Foguelman, Alberto – 1/2-1/2 – Stein, Leonid – G6 1. d4 c5 2. d5 Nf6 3. c4 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. h3 a6 9. Be3 Nh5 10. Qd2 Nf4
1964 Buenos Aires – Round 1 – Foguelman, Alberto – 0-1 – Najdorf, Miguel – G5 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. h3 a6 9. Be3 Nh5 10. Qd2 Nf4
1964 Buenos Aires – Round 7 – Schweber, Samuel – 0-1 – Najdorf, Miguel – G61 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Nh5 9. g3 Nf6 10. Ne1 Nbd7
1964 Capablanca Memorial – Round 13 – Uhlmann, Wolfgang – 1-0 – Robatsch, Karl – G126 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. O-O Nbd7 9. Bg5 h6 10. Bh4 Re8
1964 DDR Ch 14th – Round 8 – Wehnert, Lutz – 0-1 – Maedler, Juergen, Dr. – G11 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. dxe6 Bxe6 9. Bf4 Qa5 10. O-O Nc6
1964 Mar del Plata – Round 4 – Foguelman, Alberto – 1/2-1/2 – Bielicki, Carlos – G12 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. dxe6 Bxe6 9. Bf4 Qa5 10. Qd2 Nc6
1964 Punta del Este – Round 6 – Cruz, Raul C. – 0-1 – Bielicki, Carlos – G21 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Ng4 9. Ne1 Nh6 10. Nd3 f5
1964 Tel Aviv olm fin-A – Round 2 – Porath, Yosef – 1-0 – Doda, Zbigniew – G29 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. dxe6 Bxe6 9. Bf4 Qb6 10. Qd2 Rd8
1964 Tel Aviv olm prel – Round 7 – Cantero, Ronaldo – 1-0 – Jansa, Vlastimil – G255 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. O-O Nbd7 9. Ne1 a6 10. a3 Ne8
1964 Tel Aviv olm prel – Round 7 – Kottnauer, Cenek – 1-0 – Doda, Zbigniew – G252 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 Nd7 10. Nd3 f5
1964 WchT U26 11. fin-A – Round 2.2 – Khodos, German – 1-0 – Kavalek, Lubomir – G25 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1965 Hamburg etc – Round 9 – Weise, Daniel, Dr. – 1-0 – Ree, Hans – G108 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1965 Hastings ch-BCF – Round 8 – Haygarth, Michael J – 1/2-1/2 – Hindle, Owen M – G83 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. d5 O-O 6. e4 d6 7. Be2 e5 8. O-O Nbd7 9. Ne1 a6 10. Bg5 h6
1965 Hoogovens – Round 4 – Donner, Jan-Hein – 1-0 – Langeweg, Kick – G37 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Ne8 9. Ne1 Nd7 10. Nd3 f5
1965 IBM – Round 7 – Filip, Marius Liviu – 1/2-1/2 – Langeweg, Kick – G24 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. Nf3 O-O 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1965 It II Beverwijk NED – Round 5 – Kramer, Haije – 1/2-1/2 – De Rooi, Paul – G13 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 c5 7. d5 e5 8. O-O Nh5 9. g3 Bh3 10. Re1 Bf6
1965 Mar del Plata – Round 10 – Bielicki, Carlos – 0-1 – Panno, Oscar – G78 1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 O-O 6. d5 d6 7. Be2 e5 8. e4 h6 9. Nd2 h5 10. Nb3 a6
1965 WchT U26 12. prel – Round 2 – Eriksson, Bo HT – 1/2-1/2 – Jansa, Vlastimil – G10 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. O-O Nbd7 9. Ne1 Ne8 10. f4 exf4
1966 Helsinki – Round 8 – Brander, Ilmari – 0-1 – Taimanov, Mark E – G34 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. O-O Ne8 9. Nd2 f5 10. exf5 gxf5
1966 La Habana olm fin-C – Round 12 – Cassidy, Raymond – 1/2-1/2 – Yepez, Olavo – G78 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Bg5 f6 10. Bh4 a6
1966 Panamerican – Round 1 – Arraya, Jorge – 0-1 – Schweber, Samuel – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. h3 Ne8 9. Bg5 f6 10. Bh4 Bh6
1966 Rio Hondo zt – Round 13 – Miranda, Marcio Marcos do Carmo – 1/2-1/2 – Panno, Oscar – G76 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. dxe6 fxe6 9. O-O Nc6 10. Bg5 e5
1966 Rzeszow ch POL – Round 3 – Zoltek, Tadeusz – 1/2-1/2 – Pietrusiak, Bogdan – G15 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 e5 7. Nf3 O-O 8. O-O Ne8 9. Ne1 f5 10. f4 Nd7
1966 Santa Monica – Round 5 – Donner, Jan-Hein – 1/2-1/2 – Petrosian, Tigran V – G22 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. Nd3 Nd7
1966 WchT U26 fin-A 13th – Round 10 – Westerinen, Heikki M.J. – 1-0 – Brinck-Claussen, Bjorn – G25 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. O-O Ne8 9. Ne1 Nd7 10. Nd3 f5
1967 Capablanca Memorial – Round 15 – Rossetto, Hector – 1/2-1/2 – Abreu Rodriguez, Juan Luis – G131 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. e4 O-O 7. Be2 e5 8. O-O Ne8 9. Bg5 f6 10. Bd2 Nd7
1967 Churchill Memorial Open 15th – Round 6 – Kottnauer, Cenek – 1-0 – Jakobsen, Ole – G6 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. O-O Ng4 9. Rb1 Qe7 10. a3 f5
1968 Alma Ata ch-URS – Round 5 – Lein, Anatoly – 1/2-1/2 – Tal, Mikhail – G58 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. O-O Ne8 9. a3 Nd7 10. b4 Qe7
1968 Bamberg – Round 5 – Kestler, Hans-Guenther – 1/2-1/2 – Petrosian, Tigran A. – G41 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1968 Cardenas/Matanzas/Santa Clara – Round 16 – Morales Garcia, Hugo – 0-1 – Cobo Arteaga, Eldis – G85 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. c4 Nf6 6. Nc3 O-O 7. Be2 e5 8. h3 a6 9. g4 b5 10. cxb5 axb5
1968 Meldorf U26 – Round 10 – Klibor, Lutz – 1/2-1/2 – Westerinen, Heikki M.J. – G40 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. d5 e5 8. O-O Nbd7 9. Ne1 Ne8 10. Be3 f5
1969 Hoogovens – Round 13 – Van Scheltinga, Theo – 0-1 – Doda, Zbigniew – G106 1. c4 g6 2. e4 Bg7 3. d4 c5 4. d5 d6 5. Nc3 Nf6 6. Be2 O-O 7. Nf3 e5 8. O-O Nbd7 9. Ne1 Ne8 10. Nd3 Qe7
1969 Liberation – Round 10 – Janosevic, Dragoljub – 1-0 – Botvinnik, Mikhail – G42 1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 c5 5. d5 Nf6 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. a3 f5 10. b4 b6
1969 WchT U26 fin-A 16th – Round 2.1 – Segal, Alexandru Sorin – 1-0 – Sloth, Jorn – G9 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. Be2 O-O 8. O-O Nbd7 9. Ne1 Ne8 10. Nd3 f5
1971 Hoogovens – Round 11 – Olafsson, Fridrik – 1-0 – Andersson, Ulf – G221 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. e4 O-O 7. Be2 e5 8. h3 Na6 9. Bg5 Bd7 10. Nh2 h6
1973 Leningrad Interzonal – Round 16 – Gligoric, Svetozar – 1/2-1/2 – Quinteros, Miguel Angel – G40 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. Nd3 Nd7
1973 Leningrad Interzonal – Round 9 – Kuzmin, Gennadi – 1-0 – Tal, Mihail – G41 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Nf3 d6 7. Be2 e5 8. O-O Ne8 9. a3 Qe7 10. b4 Nd7
GRENKE Chess Classic 2019 – Round 1.1 – Keymer, Vincent – 0-1 – Carlsen, Magnus – G1 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
Tallinn 1973 – Round 1 – Timman, Jan H – 0-1 – Tal, Mikhail – G14 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 Nd7 10. Nd3 f5
World Blitz 2015 – Round 11.32 – Salem, A.R. Saleh – 0-1 – Munoz, Miguel – G682 1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Nf3 d6 7. Be2 e5 8. O-O Ne8 9. Rb1 h6 10. g3 Kh7

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