A36 — English Opening: Symmetrical Variation, Ultra-Symmetrical Variation

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte f4, case forte b5, case forte d5, Bg2 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, arriérés d2, f2, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nge2 — Développer le cavalier en e2 [Masters 96%]
● Nf3 — Développer Ng1
● d3 — Libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte e5, Bg7 actif, paire de fous.
Faiblesses adverses : arriérés d2, f2, Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 4 pièces non développées (G8, C8, A8, H8).
Plans :
● ...d6 — Libérer Bc8 [Masters 15%]
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nf6 — Développer Ng8 [Masters 5%]
● ...e6 — Rupture [Masters 32%]
● ...e5 — Rupture [Masters 29%]

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 23.5%, Nulles 52.6%, Noirs 23.9%.

A36k — Symmetrical

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3

Eval: [+0.17]

Les coups candidats

5…e6 — 30.8% (1662 parties) →

Ambassadeurs : Adorjan, Andras (20x), Ribli, Zoltan (15x), Csom, Istvan (14x), Gheorghiu, Florin (12x), Hulak, Krunoslav (12x), Sax, Gyula (11x), Matulovic, Milan (10x), Andersson, Ulf (10x)

5…e5 — 27.9% (1509 parties) →

Ambassadeurs : Adorjan, Andras (8x), Bukal, Vladimir Jr. (8x), Har-Zvi, Ronen (7x), Miezis, Normunds (7x), Lazic, Miroljub (7x), Beck, Georges (6x), Bobotsov, Milko G (5x), Forintos, Gyozo V (5x)

5…d6 — 20.4% (1100 parties)

Ambassadeurs : Kulon, Klaudia (6x), Schmidt, Wlodzimierz (5x), Forintos, Gyozo V (4x), Gufeld, Eduard (4x), Perman, Torvald (4x), Poldauf, Dirk (4x), Josting, Friedel (4x), Arkell, Keith C (4x)

5…Nf6 — 8.9% (481 parties)

Ambassadeurs : Reschke, Thomas (4x), Haugen, Arild (3x), Ksieski, Zbigniew (3x), Djuric, Stefan (3x), Raicevic, Momcilo (3x), Plater, Kazimierz (2x), Simagin, Vladimir (2x), Orev, Petar (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…e6	5…e5	5…d6	5…Nf6
<1800	157	34%	20%	22%	18%
1800-2200	1792	26%	32%	24%	10%
2200-2600	2396	33%	28%	16%	6%
2600+	70	66%	16%	7%	3%

Évolution par décennie (% des parties)

Décennie	N parties	5…e6	5…e5	5…d6	5…Nf6
1900s	2	—	—	100%	—
1920s	1	100%	—	—	—
1930s	1	—	100%	—	—
1940s	1	100%	—	—	—
1950s	23	26%	30%	17%	17%
1960s	183	32%	16%	25%	5%
1970s	292	43%	26%	11%	7%
1980s	343	39%	28%	15%	6%
1990s	981	30%	27%	21%	11%
2000s	1351	28%	30%	21%	9%
2010s	1780	28%	29%	22%	9%
2020s	446	36%	27%	21%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…e6	28%	36%	▲ +8.2%
5…e5	29%	27%	▼ -2.4%
5…d6	22%	21%	▼ -1.2%
5…Nf6	9%	7%	▼ -2.6%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 5 parties
Tal, Mikhail — 5 parties
Kramnik, Vladimir — 4 parties
Karpov, Aleksandr — 3 parties
Karpov, Anatoly — 2 parties
Smyslov, Vladimir — 1 partie
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5…e6 — 30.8% (1662 parties)

1921 — John Wade Wec-Nyin vs Zander, Otto — 1/2-1/2 — Hamburg GER
1947 — Stoltz, Gosta vs Cort Maleeva Hansen, Andreas Philip — 1-0 — Aalborg DEN
1955 — Bisguier, Arthur B vs Reiter, Alexander — 1-0 — New York, NY USA
1955 — Zaruba, Antonin vs Ujtelky, Maximilian — 1/2-1/2 — Prague CZE
1957 — Botvinnik, Mikhail vs Smyslov, Vladimir — 1/2-1/2 — Moskou wch-m

5…e5 — 27.9% (1509 parties)

1933 — Pitschak, Rudolf vs Gilg, Karl — 1/2-1/2 — Moravska Ostrava
1954 — Moiseev, Oleg vs Lebedev, Boris — 1-0 — Erevan ARM
1956 — Pachman, Ludek vs Botvinnik, Mikhail — 1/2-1/2 — Moscow RUS
1956 — Herink, Miroslav vs Holas, Josef — 1-0 — Podebrady CZE
1957 — Ilivitsky, Georgy A vs Bagirov, Vladimir — 1/2-1/2 — Sverdlovsk

5…d6 — 20.4% (1100 parties)

1904 — Bumpus, Thomas Herbert vs Bateman, Harry — 1/2-1/2 — St Georges CC
1904 — Oskam, Gerard vs Meijer, Hendrik Jan — 1/2-1/2 — Amsterdam NED
1956 — Novotelnov, Nikolai vs Slepoy, Yosef — 1/2-1/2 — Leningrad RUS
1957 — Shamkovich, Leonid vs Dubinin, Peter — 0-1 — Krasnodar RUS
1958 — Prahov, Valentin vs Orev, Petar — 0-1 — Sofia BUL

5…Nf6 — 8.9% (481 parties)

1956 — Boutteville, Cesar vs Plater, Kazimierz — 1-0 — Moscow RUS
1956 — Alster, Ladislav vs Plater, Kazimierz — 1/2-1/2 — POL-CSR Warsaw POL
1957 — Pirc, Vasja vs Gligorić, Svetozar — 1/2-1/2 — Sombor
1958 — Nielsen, Axel vs Hansen, Victor — 1-0 — Herning
1963 — Rincon Hernan vs Clavijo Mario — 1-0 — Cucuta

Coups candidats

auto

Analyse coup par coup — 9 demi-coups commentés

1.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.g3 Prépare le fianchetto du Fou (Bg2).
2…g6 Prépare le fianchetto du Fou (Bg7).
3.Bg2 Contrôle e4, f4, d5.
3…Bg7 Contrôle d4, e5, f5.
4.Nc3 Contrôle e4, f4, d5.
4…Nc6 Contrôle d4, e5, f5.
5.e3 Avancée centrale — contrôle d4, f4. Prépare d4, Bd3, Be2.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● d2, ● f2	—
Chaînes	● d2→e3, f2→e3, f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0), ● f4 (2v0), ● b5 (2v0), ● d5 (3v0)	● b4 (2v0), ● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (3v0), ● e4 (2v0)	● d4 (3v1), ● e5 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 6)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, a1, h1)	4 (g8, 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	● d2-d3, ● e3-e4, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1956 Moscow olm fin-B – Round 2 – Boutteville, Cesar – 1-0 – Plater, Kazimierz – G12 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. d4 cxd4 9. exd4 Bf5 10. h3 e5
1956 POL-CSR Warsaw POL – Round 1 – Alster, Ladislav – 1/2-1/2 – Plater, Kazimierz – G1 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nf6 6. Nge2 O-O 7. d4 cxd4 8. exd4 d6 9. O-O e5 10. b3 exd4
1956 URS Ch sf – Round ? – Novotelnov, Nikolai – 1/2-1/2 – Slepoy, Yosef – G6 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 e5 7. O-O Nge7 8. a3 O-O 9. Rb1 Be6 10. Nd5 Rb8
1957 Sombor – Round 11 – Pirc, Vasja – 1/2-1/2 – Gligorić, Svetozar – G107 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nf6 6. Nge2 d6 7. d4 Bd7 8. b3 Qc8 9. h3 O-O 10. Bb2 Rb8
1958 BUL Ch – Round ? – Prahov, Valentin – 0-1 – Orev, Petar – G2 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 d6 6. Nge2 Bg4 7. O-O Qd7 8. d3 h5 9. f3 Bh3 10. Bxh3 Qxh3
1958 Herning – Round 1 – Nielsen, Axel – 1-0 – Hansen, Victor – G1 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nf6 6. Nge2 d6 7. d4 O-O 8. O-O cxd4 9. exd4 Bf5 10. h3 h5
1958 Sarajevo Sarajevo BIH – Round 1 – Puc, Stojan – 0-1 – Trifunovic, Petar – G1 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 b6 6. d3 Bb7 7. e4 e6 8. Nge2 Nge7 9. O-O O-O 10. Rb1 d6
1960 Buenos Aires ch-ARG – Round 12 – Bielicki, Carlos – 0-1 – Schweber, Samuel – G81 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 f5 6. Nge2 Nf6 7. Rb1 O-O 8. a3 Ne5 9. d3 Kh8 10. O-O Rb8
1960 Leipzig olm fin-B – Round 1 – Nilsson, Zandor – 1-0 – Ader Hausman, Walter – G1 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. b3 a6 8. Bb2 b5 9. cxb5 axb5 10. O-O Rb8
1960 Leningrad tt – Round 12 – Lombardy, William J – 1-0 – Forintos, Gyozo V – G162 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. h3 Ne5 8. d4 Nd7 9. b3 Ngf6 10. Bb2 Rb8
1961 Bucharest GMT 5th – Round 1 – Soos, Bela – 0-1 – Georgescu, Vasile Sr – G1 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. h4 d6 8. a3 Bd7 9. Rb1 Ne5 10. d3 Bc6
1962 Bucharest ROM – Round 13 – Sajtar, Jaroslav – 0-1 – Georgescu, Vasile-Maxim – G34 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. d3 d6 8. Rb1 Bd7 9. a3 a5 10. O-O h5
1962 Varna olm – Round 1 – Boutteville, Cesar – 0-1 – Olafsson, Fridrik – G3 1. c4 c5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. O-O d6 8. d3 Bd7 9. Rb1 Qc8 10. a3 h5
1963 Budapest ch-HUN – Round 1 – Somogyi, Istvan – 0-1 – Varnusz, Egon – G9 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 b6 6. Nge2 Bb7 7. O-O Nf6 8. d4 cxd4 9. exd4 Na5 10. Bxb7 Nxb7
1963 Budapest ch-HUN – Round 1 – Somogyi, Istvan – 1/2-1/2 – Bilek, Istvan – G4 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 Nf6 7. b3 O-O 8. O-O Bd7 9. Bb2 Qc8 10. d4 cxd4
1963 CSR Ch – Round 5 – Hort, Vlastimil – 1-0 – Dolezal, Jiri – G38 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nf6 7. d4 O-O 8. O-O Bd7 9. b3 Qc8 10. Re1 Bg4
1963 URS Team Ch Moscow RUS – Round 1 – Danov, Vladimir – 1-0 – Gipslis, Aivars – G1 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. d3 a6 8. O-O Rb8 9. b3 b5 10. Bb2 Bb7
1964 Budapest ch-HUN – Round 1 – Szabo, Ladislav – 1-0 – Kluger, Gyula – G157 1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. e3 d6 6. Nge2 e5 7. a3 Nge7 8. Rb1 a5 9. d3 O-O 10. O-O Rb8
1964 Moscow Ch – Round ? – Simagin, Vladimir – 1/2-1/2 – Nikitin, Aleksander S – G7 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. O-O a6 8. Rb1 Rb8 9. Ne4 d6 10. a3 a5
1964 Sarajevo 07th – Round 3 – Gufeld, Eduard – 1/2-1/2 – Uhlmann, Wolfgang – G7 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nh6 7. O-O Nf5 8. b3 Bd7 9. Bb2 a6 10. d3 O-O
1964 Tel Aviv olm fin-B – Round 12 – Vinje, Arne – 1-0 – From, Sigfred – G139 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Bd7 7. O-O h5 8. h3 Qc8 9. Kh2 Nf6 10. d4 h4
1964 Tel Aviv olm prel – Round 4 – Nilsson, Zandor – 1-0 – Forintos, Gyozo V – G121 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Bd7 7. O-O Qc8 8. Re1 h5 9. h4 Nh6 10. b3 Bg4
1964 UKR Ch – Round 4 – Zilberman, Nathan R – 1/2-1/2 – Bannik, Anatolij – G21 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nf6 7. O-O O-O 8. d4 Bd7 9. b3 Qc8 10. d5 Na5
1964 UKR Ch – Round 9 – Gufeld, Eduard – 0-1 – Berezhnoy, Viktor – G49 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. a3 Nge7 8. Rb1 Be6 9. Nd5 Rc8 10. O-O O-O
1965 Copenhagen – Round 12 – Hort, Vlastimil – 1-0 – Hamann, Svend – G96 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nf6 7. d4 Bd7 8. b3 O-O 9. Bb2 Qc8 10. O-O Bh3
1965 Hastings ch-BCF – Round 9 – Cafferty, Bernard – 1/2-1/2 – Parr, David – G91 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nh6 6. h4 e6 7. h5 O-O 8. Nge2 Nf5 9. d3 d6 10. a3 Bd7
1965 IBM-B – Round 1 – Plater, Kazimierz – 1/2-1/2 – Ghitescu, Theodor – G4 1. g3 c5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Nf6 7. O-O O-O 8. d4 Bd7 9. b3 Rb8 10. Bb2 a6
1965 New York ch-USA – Round 9 – Benko, Pal – 1/2-1/2 – Evans, Larry – G31 1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. b3 Bd7 9. Bb2 Rb8 10. d4 b6
1965 Reggio Emilia ITA – Round 5 – Rabar, Braslav – 1/2-1/2 – Ujtelky, Maximilian – G8 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 h5 6. h3 Nh6 7. Nge2 Nf5 8. Rb1 d6 9. a3 a5 10. d3 Bd7
1966 Clare Benedict Cup – Round 1 – Keene, Raymond D – 1-0 – Markus, Marcel – G4 1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. a3 O-O 8. Rb1 Qa5 9. d3 a6 10. Bd2 Qd8
1966 Kislovodsk – Round 10 – Stefanov , Preslav – 1/2-1/2 – Nikitin, Aleksander S – G53 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. a3 O-O 8. Rb1 a5 9. b3 e6 10. O-O b6
1966 Kislovodsk – Round 4 – Simagin, Vladimir – 0-1 – Stein, Leonid – G21 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. O-O Rb8 8. d3 b6 9. a3 Bb7 10. Rb1 d6
1966 La Habana olm fin-B – Round 6 – Hartston, William R – 1-0 – Westman, Jan Erik – G95 1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. e3 d6 6. Nge2 Nf6 7. O-O O-O 8. d4 a6 9. b3 Rb8 10. Bb2 Na5
1966 Tbilisi ch-URS – Round ? – Nikolayevsk – 0-1 – Geller, Efim P – G198 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. h3 Bd7 9. b3 a6 10. d4 Rb8
1966 Tbilisi ch-URS – Round 2 – Lein, Andreas – 1-0 – Polugaevsky, Lev – G11 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. b3 Nge7 8. O-O O-O 9. Bb2 Rb8 10. d3 a6
1966 Tbilisi ch-URS – Round 3 – Nikolaevsky, Yuri V – 1-0 – Liberzon, Vladimir M – G24 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. a3 Bd7 9. Rb1 Qc8 10. Nf4 Bh6
1966 Tbilisi ch-URS – Round 5 – Nikolaevsky, Yuri V – 0-1 – Geller, Efim P – G41 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. h3 Bd7 9. b3 a6 10. d4 Rb8
1966 Vrnjacka Banja – Round 1 – Milic, Borislav – 1-0 – Osmanovic, Kemal – G1 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 e5 7. a3 Nge7 8. d3 a6 9. Rb1 Rb8 10. b4 cxb4
1967 Budapest Bajnogsag 8th – Round 10 – Sapi, Laszlo – 0-1 – Forintos, Gyozo V – G58 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 Bf5 7. d3 h5 8. h3 Qc8 9. a3 Nf6 10. Rb1 a5
1967 CSR Ch – Round 5 – Stulik, Vlastimil – 1/2-1/2 – Ujtelky, Maximilian – G30 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 h5 6. h3 Nh6 7. Nge2 Nf5 8. d3 d6 9. Bd2 Bd7 10. a3 Ne5
1967 Halle zt Halle GER – Round 11 – Besser, Hans – 1/2-1/2 – Cuijpers, Frans Andre – G8 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. a3 Rb8 8. Rb1 b6 9. b4 Bb7 10. O-O Qc8
1967 HUN Ch – Round 1 – Barcza, Gedeon – 1-0 – Barczay, Laszlo – G4 1. g3 c5 2. Bg2 g6 3. c4 Bg7 4. Nc3 Nc6 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. d4 Bd7 9. b3 Rb8 10. Bb2 a6
1967 HUN Ch Budapest HUN – Round 11 – Barcza, Gedeon – 1-0 – Meleghegyi, Csaba – G38 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 e5 7. a3 Nf6 8. Rb1 Be6 9. Nd5 O-O 10. Nec3 Qd7
1967 Leningrad – Round ? – Szabo, Laszlo – 0-1 – Korchnoi, Viktor – G41 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. d3 Be6 8. a3 Nf6 9. Nd5 O-O 10. Nec3 Qd7
1967 October Revolution 50 – Round 1 – Szabo, Ladislav – 0-1 – Korchnoi, Viktor – G2 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. d3 Be6 8. a3 Nf6 9. Nd5 O-O 10. Nec3 Qd7
1967 Skopje – Round 7 – Sofrevski, Jovan – 1/2-1/2 – Soos, Balint – G54 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. O-O b6 8. b3 Bb7 9. Bb2 O-O 10. d3 e6
1967 Sousse Interzonal – Round 8 – Geller, Efim P – 1-0 – Byrne, Ray – G69 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Rb1 e6
1967 URS Team Ch – Round 1 – Nikolaevsky, Yuri V – 1-0 – Nevednichy, Boris M – G17 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 d6 6. Nge2 h5 7. h3 Bd7 8. d4 Rb8 9. b3 a6 10. a4 Nh6
1967 URS-ch35 – Round 1 – Kimelfeld, Rudolf – 0-1 – Furman, Slavomir – G2 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 e5 7. a3 Nge7 8. Rb1 a5 9. O-O O-O 10. b3 Rb8
1968 Hastings6869 – Round 7 – Keene, Raymond D – 1-0 – Smejkal, Jakub – G33 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. O-O Nge7 8. a3 O-O 9. Rb1 a5 10. d3 Rb8
1968 IBM-B – Round 8 – Smederevac, Petar – 1-0 – Van Geet, Dirk Daniel – G27 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. O-O Nge7 8. a3 Be6 9. Nd5 O-O 10. Rb1 Bf5
1968 Kecskemet HUN – Round 1 – Gufeld, Eduard – 1/2-1/2 – Doda, Zbigniew – G2 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nf6 7. d4 Bd7 8. O-O Qc8 9. b3 a5 10. a4 O-O
1968 Kislovodsk – Round 1 – Simagin, Vladimir – 1-0 – Orev, Petar – G1 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 Nf6 6. Nge2 O-O 7. d4 d6 8. O-O Bd7 9. b3 a6 10. Bb2 Rb8
1968 Kislovodsk – Round 5 – Simagin, Vladimir – 1-0 – Orev, Petar – G46 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 Nf6 6. Nge2 O-O 7. d4 d6 8. O-O Bd7 9. b3 a6 10. Bb2 Rb8
1968 Olympiad Final A – Round 2 – Hamann, Svend – 1/2-1/2 – Sanguineti, Raúl Carlos – G13 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 d6 7. O-O Bd7 8. h3 a6 9. e4 Rb8 10. d3 b5
1968 Prague U26 – Round 10 – Jansa, Vlastimil – 0-1 – Pribyl, Josef – G40 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. d4 cxd4 8. exd4 Nh6 9. O-O h4 10. Bg5 Nf5
1968 Rubinstein Memorial – Round 14 – Golz, Werner – 1/2-1/2 – Schmidt, Wlodzimierz – G66 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. d3 Nge7 8. a3 O-O 9. O-O Rb8 10. Rb1 a5
1968 Rubinstein Memorial – Round 2 – Schmidt, Wlodzimierz – 1/2-1/2 – Bilek, Istvan – G15 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e3 d6 6. Nge2 Nf6 7. d4 Bd7 8. h3 O-O 9. O-O Rb8 10. b3 a6
1968 URS Team Ch – Round 1 – Tukmakov, Vladimir B – 1-0 – Murey, Jacob – G11 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. b3 b6 8. Bb2 Bb7 9. Qb1 Qc8 10. Ne4 Nb4
1968 WchT U26 – Round 1 – Schoeneberg, Manfred – 1/2-1/2 – Ghizdavu, Dumitru – G1 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. O-O Be6 8. Nd5 h5 9. h4 Nge7 10. a3 Rb8
1969 Budapest ch-HUN – Round 1 – Barcza, Gedeon – 1/2-1/2 – Bilek, Istvan – G13 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e3 h5 6. Nf3 Nh6 7. b3 Nf5 8. Bb2 d6 9. h3 e5 10. d3 Be6
1969 POL Ch 26th – Round 12 – Dobrzynski, Wojciech – 1/2-1/2 – Schmidt, Wlodzimierz – G56 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. b3 Nge7 8. Bb2 O-O 9. O-O Rb8 10. d3 a6
1969 POL Ch 26th – Round 6 – Pytel, Krzysztof – 1/2-1/2 – Schmidt, Wlodzimierz – G22 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. b3 Nge7 8. O-O O-O 9. Bb2 Rb8 10. d3 a6
1969 San Juan – Round 1 – O'Kelly, Albéric de Galway – 1/2-1/2 – Damjanovic, Mato – G1 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. a3 O-O 8. Rb1 a5 9. O-O d6 10. b3 e6
1969 WchT U26 fin-A 16th – Round 6.2 – Hartston, William R – 1-0 – Soltis, Andrew – G40 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e3 d6 6. Nge2 Bg4 7. h3 Bd7 8. d4 cxd4 9. exd4 Qc8 10. b3 Nh6
1972 Skopje ol (Men) fin-A – Round 3 – Liljedahl, Lennart – 1-0 – Debarnot, Roberto – G23 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. d3 Rb8 8. O-O h5 9. h3 d6 10. a3 Bd7
43. Olympiad 2018 – Round 2.1 – Petriashvili, Nikoloz – 1/2-1/2 – Shankland, Sam – G78 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. b3 b6 8. Bb2 Bb7 9. O-O h5 10. h3 O-O
SuperUnited Blitz 2022 – Round 15.5 – So, Wesley – 1-0 – Saric, Ivan – G75 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e3 Bxc3 6. dxc3 d6 7. e4 Qd7 8. a4 b6 9. Nf3 Bb7 10. O-O e5
Thessaloniki olm 1984 – Round 8 – Karlsson Acuna, Leo – 1/2-1/2 – Polugaevsky, Lev – G48 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. a3 Nge7 8. Rb1 a5 9. d3 O-O 10. O-O Rb8
World Blitz 2022 – Round 16.76 – Kostenko, Petr – 0-1 – Svane, Frederik – G880 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Bxc3 6. bxc3 f5 7. h4 Nf6 8. h5 Rg8 9. hxg6 hxg6 10. d3 Qc7
World Cup 1989 – Round 1 – Nogueiras Santiago, Jesus – 0-1 – Vaganian, Rafael A – G2 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nh6 6. Nge2 Nf5 7. O-O O-O 8. b3 d6 9. Bb2 Rb8 10. Rb1 Bd7

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