A05r — Reti: KIA, Reti-Smyslov Variation

1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 5.Bb2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, Bb2 actif, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bf1 enfermé, 4 pièces non développées (B1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nbd2 — Développer Nb1
● h3 — Empêcher ...Bg4
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A05r — KIA Reti-Smyslov Variation

1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 5.Bb2

Eval: [-0.19]

Les coups candidats

4…O-O — 62.2% (905 parties)

Ambassadeurs : Auger, Bertrand (45x), Poleschi, Ricardo (20x), Poley, Vladimir (14x), Spiridonov, Nikola (12x), Soppe, Guillermo (11x), Arnaudov, Petar (11x), Smyslov, Vladimir (10x), Fluvia Poyatos, Jordi (10x)

4…d6 — 12.7% (185 parties)

Ambassadeurs : Spiridonov, Nikola (5x), Poley, Vladimir (5x), Poleschi, Ricardo (3x), Hartlaub, Marianne (3x), Pithart, Frantisek (2x), Jimenez Zerquera, Eleazar (2x), Eymann, Henri (2x), Davies, Nigel R (2x)

4…d5 — 10.8% (157 parties)

Ambassadeurs : Auger, Bertrand (7x), Poleschi, Ricardo (5x), Michalek, Christoph (3x), Akesson, Ralf (2x), Spiridonov, Nikola (2x), Sigurjonsson, Gudmundur (2x), Gruenfeld, Yehuda (2x), Muller II, Raymond W (2x)

4…c6 — 8.6% (125 parties)

Ambassadeurs : Soppe, Guillermo (9x), Bronstein, David I (3x), Spiridonov, Nikola (3x), Poleschi, Ricardo (3x), Werner, Gert (3x), Smyslov, Vladimir (2x), Tatai, Stefano (2x), Schlueter, Wolfgang (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…O-O	4…d6	4…d5	4…c6
<1800	31	65%	16%	16%	—
1800-2200	569	66%	12%	10%	6%
2200-2600	505	59%	13%	11%	11%
2600+	4	50%	25%	—	25%

Évolution par décennie (% des parties)

Décennie	N parties	4…O-O	4…d6	4…d5	4…c6
1930s	2	50%	50%	—	—
1950s	4	50%	25%	—	25%
1960s	86	65%	15%	7%	10%
1970s	69	62%	6%	10%	14%
1980s	118	59%	15%	14%	6%
1990s	373	58%	14%	13%	11%
2000s	424	65%	12%	10%	8%
2010s	315	66%	13%	8%	6%
2020s	65	52%	9%	18%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…O-O	66%	52%	▼ -13.7%
4…d6	13%	9%	▼ -3.5%
4…d5	8%	18%	▲ +10.5%
4…c6	6%	5%	▼ -1.4%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties

Parties historiques

4…O-O — 62.2% (905 parties)

1936 — Skalicka, Karel vs Frydman, Paulino — 0-1 — Podebrady CZE
1952 — Fazekas, Stephan vs Spears, Michael J A — 1-0 — Southsea
1957 — Otteson, Milton vs Fischer, Robert J — 1-0 — Milwaukee, WI USA
1961 — Urseanu, Veniamin vs Ciocaltea, Victor — 0-1 — Romania
1961 — Vatnikov, Joseph vs Cherepkov, Alexander V — 1-0 — Spartakiade

4…d6 — 12.7% (185 parties)

1930 — Noteboom, Daniel vs Landau, Salo — 1/2-1/2 — Amsterdam NED
1957 — Fazekas, Stephan vs Koberl, Ferenc — 1-0 — Hastings ENG
1961 — Lengyel, Laszlo vs Brzozka, Stefan — 0-1 — Warsaw POL
1963 — Smyslov, Vasily vs Littlewood H — 1/2-1/2 — ?
1964 — Malich, Burkhard, Dr. vs Sumar, Julio — 1/2-1/2 — Tel Aviv olm

4…d5 — 10.8% (157 parties)

1961 — Smyslov, Vladimir vs Korchnoi, Viktor — 1-0 — Moscow RUS
1965 — Sloth, Jorn vs Brinck-Claussen, Bjorn — 0-1 — ?
1965 — Keene, Raymond D vs Schoeneberg, Manfred — 1/2-1/2 — Barcelona wch-jr pre
1965 — Kozomara, Vlado vs Osmanagic, Dusan — 1-0 — Sarajevo BIH
1967 — Mecking, Henrique vs Pinto Paiva, Jose — 1/2-1/2 — Sao Paulo BRA

4…c6 — 8.6% (125 parties)

1955 — Olafsson, Thorir vs Gudmundsson, Arinbjorn — 0-1 — Reykjavik ISL
1964 — Smyslov, Vladimir vs Bronstein, David I — 1/2-1/2 — Amsterdam NED
1965 — Smyslov, Vladimir vs Zuidema, Coen — 1/2-1/2 — Hamburg GER
1966 — Keene, Raymond D vs Jakobsen, Ole — 1/2-1/2 — Orebro SWE
1967 — Matulovic, Milan vs Ivkov, Borislav — 1/2-1/2 — Palma de Majorca ESP

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bb2	● Bb2 Actif (mob. 6)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, 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	● c2-c3, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1936 Podebrady – Round ? – Skalicka, Karel – 0-1 – Frydman, Paulino – G147 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 c6 7. c4 a5 8. b5 cxb5 9. cxb5 a4 10. Na3 Bd7
1952 Stevenson Memorial 4th – Round 10 – Fazekas, Stephan – 1-0 – Spears, Michael J A – G18 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. c4 d5 6. cxd5 Nxd5 7. Bxg7 Kxg7 8. Qb3 Qd6 9. Qb2+ f6 10. a3 e5
1961 Dortmund – Round 1 – Smyslov, Vladimir – 1-0 – Pietzsch, Wolfgang – G38 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 a5 6. b5 c5 7. c4 b6 8. d3 d5 9. cxd5 Nxd5 10. Bxg7 Kxg7
1961 Moskou ZShK – Round 2 – Smyslov, Vasily – 1-0 – Gufeld, Eduard – G12 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. c4 e5 7. O-O Re8 8. d3 a5 9. a3 axb4 10. axb4 Rxa1
1961 Oberhausen etc – Round 2 – Smyslov, Vladimir – 1-0 – Matulovic, Milan – G79 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nh5 8. e4 f5 9. exf5 Bxf5 10. Nbd2 Qd7
1961 ROM Ch – Round 19 – Urseanu, Veniamin – 0-1 – Ciocaltea, Victor – G127 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 Ne8 8. Ne1 Nd7 9. c4 f5 10. f4 Nef6
1961 Warsaw – Round 1 – Lengyel, Laszlo – 0-1 – Brzozka, Stefan – G76 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 e5 6. d3 O-O 7. O-O Nh5 8. Nfd2 f5 9. c4 Nc6 10. b5 Nd4
1962 Hastings6263 – Round 5 – Smyslov, Vladimir – 1/2-1/2 – Littlewood, John E – G24 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O a5 7. b5 a4 8. d4 c6 9. c4 cxb5 10. cxb5 Nbd7
1962 URS Team Ch – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Boleslavsky, Isaac – G134 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. c4 Re8 8. d3 e4 9. dxe4 Nxe4 10. Bxg7 Kxg7
1963 CSR Ch – Round 2 – Filip, Miroslav – 1/2-1/2 – Vesely, Jiri – G18 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d5 6. O-O a5 7. b5 Ne8 8. Bxg7 Kxg7 9. Qc1 f6 10. Na3 Nd6
1963 Miskolc Asztalos Memorial – Round 5 – Barczay, Laszlo – 1-0 – Brzozka, Stefan – G7 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. c4 Nh5 8. d4 Nc6 9. b5 Nxd4 10. Nxd4 exd4
1964 Amsterdam Interzonal – Round 4 – Smyslov, Vladimir – 1/2-1/2 – Bronstein, David I – G38 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 c6 5. Bg2 a5 6. a3 axb4 7. axb4 Rxa1 8. Bxa1 Qb6 9. c3 O-O 10. O-O d5
1964 Capablanca Memorial – Round 10 – Smyslov, Vladimir – 1-0 – Jimenez Zerquera, Eleazar – G104 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. c4 a5 8. a3 axb4 9. axb4 Rxa1 10. Bxa1 Nc6
1964 Tel Aviv olm – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Sumar, Julio – G133 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 c6 6. O-O a5 7. bxa5 Qxa5 8. d3 Qh5 9. c4 Na6 10. Nbd2 Nc5
1964 Tel Aviv olm prel – Round 6 – Smyslov, Vladimir – 1-0 – Ader Hausman, Walter – G244 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. c4 d5 7. Na3 a5 8. b5 dxc4 9. bxc6 Nxc6 10. Nxc4 Be6
1964 Zinnowitz Zinnowitz GER – Round 9 – Moehring, Guenther – 0-1 – Popov, Luben – G36 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 b6 5. Bg2 Bb7 6. O-O d5 7. d3 O-O 8. Nbd2 Nbd7 9. c4 c5 10. bxc5 Nxc5
1965 Capablanca Memorial – Round 5 – Doda, Zbigniew – 0-1 – Bilek, Istvan – G54 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. d4 Nbd7 6. Nbd2 O-O 7. Bg2 e5 8. dxe5 dxe5 9. e4 Qe7 10. a3 a5
1965 Hamburg etc – Round 5 – Smyslov, Vladimir – 1/2-1/2 – Zuidema, Coen – G63 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 c6 5. Bg2 a5 6. a3 axb4 7. axb4 Rxa1 8. Bxa1 Qb6 9. c3 d5 10. O-O O-O
1965 Palma de Mallorca – Round 4 – Darga, Klaus – 1/2-1/2 – Bukic, Enver – G8 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d5 6. O-O c6 7. a4 Qb6 8. b5 a6 9. Na3 Bg4 10. c4 axb5
1965 Sarajevo – Round 1 – Kozomara, Vlado – 1-0 – Osmanagic, Dusan – G25 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d5 5. Bg2 O-O 6. Na3 c6 7. c4 Nbd7 8. O-O Re8 9. cxd5 cxd5 10. Rc1 a6
1965 WchT U26 12. fin-B – Round 3 – Spiridonov, Nikola – 1-0 – Bouaziz, Nejib – G9 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 O-O 6. O-O e5 7. d3 Nc6 8. b5 Ne7 9. a4 Bd7 10. c4 Qc8
1965 Zinnowitz GER – Round 2 – Haag, Ervin – 1-0 – Bruentrup, Dieter – G5 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O c6 7. c4 e5 8. d3 Nh5 9. Qb3 Be6 10. Nbd2 f5
1966 CSR Ch Int 1st – Round 5 – Pithart, Frantisek – 1-0 – Jimenez Zerquera, Eleazar – G31 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 O-O 6. c4 e5 7. O-O a5 8. b5 Nbd7 9. Nc3 Nc5 10. d4 exd4
1966 Santa Monica – Round 8 – Petrosian, Tigran V – 1-0 – Najdorf, Miguel – G36 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d5
1966 Tbilisi ch-URS – Round 5 – Polugaevsky, Lev – 1/2-1/2 – Krogius, Nikolai V – G49 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d6
1966 WchTJ U26 prel – Round 2 – Spiridonov, Nikola – 1-0 – Bouaziz, Nejib – G15 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 h6 8. Nfd2 c6 9. a4 Be6 10. c4 Qc8
1967 Harrachov – Round 1 – Keene, Raymond D – 0-1 – Gilden, Lawrence – G120 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. c4 e4 8. Ne1 Nc6 9. b5 Ne5 10. Na3 Re8
1967 Kraljevo – Round 14 – Knezevic, Milorad – 1-0 – Mestrovic, Zvonimir – G20 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O c5 7. bxc5 dxc5 8. a4 Nc6 9. Na3 Nd4 10. Nxd4 cxd4
1967 Moscow – Round 1 – Veresov, Gavriil – 0-1 – Muratov, Vladimir A – G139 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 O-O 6. O-O Nbd7 7. c4 c6 8. d3 Qb6 9. a3 a5 10. Nc3 axb4
1967 Moscow – Round 1 – Voskanyan, Vahagn – 0-1 – Peterson, Andrejs – G142 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d5
1967 Palma de Mallorca – Round 10 – Toran Albero, Roman – 1/2-1/2 – Gligorić, Svetozar – G75 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nbd7 8. c4 Re8 9. Nc3 e4 10. Nxe4 Nxe4
1967 Palma de Mallorca – Round 9 – Matulovic, Milan – 1/2-1/2 – Ivkov, Borislav – G66 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 c6 5. c4 O-O 6. Bg2 d5 7. cxd5 cxd5 8. O-O a6 9. a4 Bg4 10. d3 Qb6
1967 Sousse Interzonal – Round 18 – Stein, Leon Rico – 1-0 – Barczay, Laszlo – G171 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 a5 6. a3 d6 7. d3 c6 8. Nbd2 Na6 9. c4 Bd7 10. Rb1 e5
1967 URS Team Ch – Round 1 – Krutikhin, Yury Petrovich – 0-1 – Geller, Efim P – G45 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 Nbd7 7. O-O Nb6 8. Nbd2 Na4 9. Rb1 Nxb2 10. Rxb2 e5
1968 Capablanca Memorial – Round 1 – Stein, Leon Rico – 1-0 – Rodriguez Gonzales, Angie Kelly – G74 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d3 Nbd7 7. Nbd2 e5 8. O-O a5 9. a3 Nb6 10. c4 Bd7
1968 Hoogovens – Round 1 – Jongsma, Alexander – 1/2-1/2 – Zuckerman, Bernard – G10 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. c4 d6 6. Bg2 e5 7. Nc3 Nc6 8. b5 Nd4 9. d3 Ne6 10. Nd2 Nh5
1968 It Buesum GER – Round 5 – Hecht, Hans-Joachim – 1-0 – Pollak, Georg – G23 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. c4 d5 7. cxd5 Nxd5 8. Bxg7 Kxg7 9. Qc1 f6 10. a3 a5
1969 Athene zt – Round 7 – Spiridonov, Nikola – 1-0 – Suer, Halil Cenk – G10 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 c6 5. c4 O-O 6. Bg2 d5 7. Qc2 dxc4 8. Qxc4 Qd5 9. Qc2 Nbd7 10. d3 Nb6
1969 Brno KOLT 2nd – Round ? – Dobrovolsky, Ladislav – 1-0 – Zavodny, Zdenek – G11 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d5 5. Bg2 O-O 6. O-O c6 7. d3 a5 8. a3 axb4 9. axb4 Rxa1 10. Bxa1 Nbd7
1969 Budapest ch-HUN – Round 1 – Sapi, Laszlo – 1-0 – Ribli, Zoltan – G117 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nh5 8. e4 f5 9. exf5 e4 10. Nd4 c5
1969 Budapest ch-HUN – Round 1 – Vadasz, Laszlo – 1-0 – Filep, Tibor – G118 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. c4 c6 6. Bg2 d5 7. cxd5 cxd5 8. O-O Qb6 9. a3 a5 10. Nc3 Na6
1969 Icelandic Chess Cham – Round 1 – Sigurjonsson, Gudmundur – 1-0 – Kristinsson, Jon – G1 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 c6 8. Nbd2 Qe7 9. c4 Bg4 10. Qc2 Nbd7
1969 Ljubljana – Round 1 – Barcza, Gedeon – 1-0 – Sajovic Stupica, Tristan – G19 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. c4 Nbd7 8. Nc3 Re8 9. Qc2 Nh5 10. d3 Nf8
1969 Sarajevo – Round 1 – Bukal, Vladimir Jr. – 1-0 – Mestrovic, Zvonimir – G20 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d5 6. O-O c6 7. d3 Bg4 8. Nbd2 Nbd7 9. c4 Re8 10. Qc2 e5
1969 Varna – Round 1 – Spiridonov, Nikola – 0-1 – Krogius, Nikolai V – G12 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d6
1969 Varna – Round 11 – Spiridonov, Nikola – 0-1 – Krogius, Nikolai V – G13 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d6
1969 WchT U26 fin-B 16th – Round 2.1 – Sigurjonsson, Gudmundur – 1/2-1/2 – Holaszek, Hans – G9 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d5
1969 WchT U26 fin-B 16th – Round 8.1 – Sigurjonsson, Gudmundur – 0-1 – Westerinen, Heikki M.J. – G48 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nh5 8. e4 Nd7 9. Nbd2 Qe8 10. d4 Nb6
1970 Palma de Mallorca Interzonal – Round 13 – Rubinetti, Jorge – 0-1 – Mecking, Henrique – G270 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5 7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d5
3. Norway Blitz 2015 – Round 2.4 – Topalov, Veselin – 0-1 – Caruana, Fabiano – G9 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d5 6. O-O c6 7. d3 a5 8. a3 axb4 9. axb4 Rxa1 10. Bxa1 Na6
World Blitz 2007 – Round 3 – Bacrot, Etienne – 0-1 – Mamedyarov, Shakhriyar – G30 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 c5 6. bxc5 dxc5 7. c4 O-O 8. O-O Nc6 9. d3 Bg4 10. Ne5 Nxe5

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