B45u — Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3, 9.ed5 ed5 10.Bd3 O-O

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5 9.exd5 exd5 10.Bd3 O-O * ○ Trait aux Blancs

Ouverture — Centre asymétrique

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte b5, Bd3 actif, paire de fous, colonne d.
Faiblesses adverses : isolé d5, Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● Re — Tour sur colonne e
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (1v0), case forte g4, case forte d5, colonne c.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, isolé d5.
Plans :
● ...Bf5 — Développer Bc8
● ...d4 — Rupture
● ...Re — Tour sur colonne e
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B45u — Taimanov Four Knights

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5 9.exd5 exd5 10.Bd3 O-O

Eval: [+0.26]

Les coups candidats

11.O-O — 99.7% (3361 parties)

Ambassadeurs : Van Riemsdijk, Herman C. (31x), Khenkin, Igor (18x), Rogozenco, Dorian (15x), Stein, Bernd (14x), Goncharenko, Georgy (13x), Grobler, David (12x), Tregubov, Pavel V. (11x), Maljutin, Evgeni (9x)

11.Bg5 — 0.1% (4 parties)

Ambassadeurs : Caldeira, Adriano (1x), Dianda, Joao Carlos (1x), Schweizer, Robert (1x), Eggenberger, Werner (1x), Villing, Dieter (1x), Van den Berg, Ad (1x), Lagarde, Maxime (1x), Sokolov, Andrei (1x)

11.h3 — 0.1% (3 parties)

Ambassadeurs : Cop, Tomislav (1x), Nagrajsalovic, Miroslav (1x), Yi, Danny (1x), Colbow, Collin (1x), Cave, Iwan (1x), Liu, Tianyi (Jack) (1x)

11.Bf4 — 0.0% (1 parties)

Ambassadeurs : Westerinen, Heikki M.J. (1x), Martens, Martin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11.O-O	11.Bg5	11.h3	11.Bf4
<1800	97	100%	—	—	—
1800-2200	1175	100%	0%	0%	—
2200-2600	1582	100%	0%	0%	—
2600+	48	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11.O-O	11.Bg5	11.h3	11.Bf4
1900s	15	100%	—	—	—
1910s	1	100%	—	—	—
1920s	1	100%	—	—	—
1930s	3	100%	—	—	—
1940s	15	100%	—	—	—
1950s	50	100%	—	—	—
1960s	73	99%	—	—	1%
1970s	77	100%	—	—	—
1980s	130	100%	—	—	—
1990s	460	100%	0%	—	—
2000s	1092	100%	—	0%	—
2010s	1009	100%	0%	—	—
2020s	444	99%	0%	0%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.O-O	100%	99%	▼ -0.6%
11.Bg5	0%	0%	+0.1%
11.h3	0%	0%	+0.5%
11.Bf4	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Alekhine, Alexander — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

11.O-O — 99.7% (3361 parties)

1900 — Physick, Thomas vs Blackburne, Joseph — 0-1 — London ENG
1901 — Janowski, Dawid vs Blackburne, Joseph — 1-0 — Monte Carlo Monte Carlo MNC
1901 — Kruger, Paul vs Olland, Adolf George — 0-1 — Haarlem NED
1902 — Gottesman L vs Alekhine, Alexander — 1-0 — ?
1902 — Levin Astorga, Nicolas Daniel vs Mieses, Jacques — 1/2-1/2 — Hannover GER

11.Bg5 — 0.1% (4 parties)

1999 — Caldeira, Adriano vs Dianda, Joao Carlos — 1-0 — Sao Paulo BRA
1999 — Schweizer, Robert vs Eggenberger, Werner — 0-1 — SWZ-ch Graechen
2011 — Villing, Dieter vs Van den Berg, Ad — 1/2-1/2 — Bad Sooden
2023 — Lagarde, Maxime vs Sokolov, Andrei — 1/2-1/2 — Chartres FRA

11.h3 — 0.1% (3 parties)

2005 — Cop, Tomislav vs Nagrajsalovic, Miroslav — 0-1 — Zagreb CRO
2022 — Yi, Danny vs Colbow, Collin — 1/2-1/2 — Magdeburg GER
2024 — Cave, Iwan vs Liu, Tianyi (Jack) — 1-0 — Hull ENG

11.Bf4 — 0.0% (1 parties)

1968 — Westerinen, Heikki M.J. vs Martens, Martin — 0-1 — Goteborg SWE

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	● d5
Arriérés	—	—
Chaînes	● b2→a3	—
Passés	—	—
Majorité	● aile_dame 3v2	● centre 1v0

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● g4 (2v1), ● d5 (2v1)
Cases faibles	● e4	—
Centre	—	● d4 (1v0), ● d5 (2v1), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	Non
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	asymétrique
Ruptures	● f2-f3	● …d5-d4

Partie
1900 London ENG – Round 12 – Physick, Thomas – 0-1 – Blackburne, Joseph – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1901 Monte Carlo Monte Carlo MNC – Round 5 – Janowski, Dawid – 1-0 – Blackburne, Joseph – G8 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1902 DSB-13.Kongress – Round 10 – Levin Astorga, Nicolas Daniel – 1/2-1/2 – Mieses, Jacques – G44 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1903 It (Men) Monte Carlo MNC – Round 12 – Marco, Georg – 1-0 – Marchand, Max – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 O-O 9. Bd3 d5 10. exd5 exd5
1903 RUS-ch03 – Round 3 – Znosko-Borovsky, Eugene – 1-0 – Duz-Khotimirsky, Fedor Ivanovich – G11 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1905 Scheveningen – Round 1 – Leussen, Benjamin – 0-1 – Te Kolste, Jan Willem – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1911 San Sebastian – Round 11 – Burn, Amos – 0-1 – Tarrasch, Siegbert – G69 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1921 Carrasco – Round 8 – De Freitas, Jose Renato Silva – 0-1 – Villegas, Benito – G24 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1937 Trebitsch mem3738 – Round 8 – Steiner, Lajos – 1/2-1/2 – Becker, Albert – G31 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1938 Krakow Krakow POL – Round ? – Gruenfeld, Ernst – 1/2-1/2 – Bluemich, Max – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1942 Mar del Plata – Round 11 – Pilnik, Herman – 0-1 – Bolbochan, J. – G94 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1942 Mar del Plata – Round 8 – Michel, Pascal – 1/2-1/2 – Najdorf, Miguel – G68 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1943 Salzburg – Round 1 – Bogoljubow, Efim – 1-0 – Foltys, Jan – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1947 Chigorin Memorial – Round ? – Plater, Kazimierz – 1/2-1/2 – Trifunovic, Petar – G93 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1947 La Plata-New York radio m – Round 1 – Denker, Arnold S – 1/2-1/2 – Bolbochan, J. – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1947 Leningrad ch-URS – Round 12 – Boleslavsky, Isaac – 1-0 – Kan, Ilya A – G120 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1947 Moscow – Round 1 – Plater, Kazimierz – 1/2-1/2 – Trifunovic, Petar – G21 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1948 BRD Ch – Round 14 – Rellstab, Ludwig – 1-0 – Greis Heinz – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1948 CSR Ch Bratislava SVK – Round 1 – Florian, Jaromir – 1-0 – Foltys, Jan – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1948 Saltsjobaden Interzonal – Round 3 – Boleslavsky, Isaac – 1-0 – Trifunovic, Petar – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1949 URS Ch, semi final – Round 1 – Cherepkov, Alexander V – 1/2-1/2 – Abramov, Leonid – G50 1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. d4 cxd4 5. Nxd4 Bb4 6. Nb5 Nf6 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1949 Zagreb ch YUG – Round 18 – Avirovic, Djordje – 1-0 – Nedeljkovic, Srecko M – G38 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1951 Marianske Lazne zt – Round 17 – Foltys, Jan – 1-0 – Sajtar, Jaroslav – G112 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1952 Moscow Ch – Round 1 – Chistiakov, Alexander – 1/2-1/2 – Ravinsky, Grigory – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1953 Hoogovens – Round 1 – Rossolimo, Nicolas – 1/2-1/2 – Toran Albero, Roman – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1954 CSR Ch sf – Round 12 – Marsalek, Josef – 1/2-1/2 – Altschul, Milos – G51 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1954 Gorki ch22-SU sf – Round 2 – Uusi, Gunnar – 1-0 – Yudovich, Mikhail M – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1954 URS Ch sf – Round 7 – Kondratiev, Pavel E – 1/2-1/2 – Kan, Ilya A – G2 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1954 URS Team Ch – Round 8 – Kopaev, Nikolay A – 0-1 – Novopashin, Arkady – G147 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1955 CSR Ch – Round 4 – Jezek, Jaroslav – 1/2-1/2 – Hostinsky, Zdenek – G28 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1955 CSR Ch – Round 8 – Kozma, Julius – 0-1 – Alster, Ladislav – G64 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1955 Moscow – Round 1 – Rubtsova, Olga – 0-1 – Keller-Hermann, Edith – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1955 USSR – Round 1 – Cherepkov, Alexander V – 1/2-1/2 – Antoshin, Vladimir S – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1956 Moscow olm fin-A – Round 7 – Ivkov, Borislav – 1/2-1/2 – Soos, Balint – G117 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1957 HUN Ch Budapest HUN – Round ? – Honfi, Karoly – 1/2-1/2 – Bilek, Istvan – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1957 Moskou ch-URS – Round 7 – Keres, Paul – 1/2-1/2 – Stolyar, E. – G72 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1957 Wageningen zt – Round 2 – Olafsson, Fridrik – 1-0 – Teschner, Rudolf – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1958 HUN Ch 14th – Round 14 – Szabo, Laszlo – 1/2-1/2 – Bilek, Istvan – G35 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 Nf6 6. N1c3 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1958 Munich olm prel – Round 1 – Andersen, Borge – 1-0 – Stahlberg, Gideon – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1958 YUG Ch 13th – Round 3 – Djurasevic, Bozidar – 0-1 – Ciric, Dragoljub M – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1959 Buenos Aires VC – Round 1 – Fedorovsky, R. – 1-0 – Bolbochan, J. – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1959 Krakow – Round 10 – Brzozka, Stefan – 1/2-1/2 – Orbaan, Constant – G34 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1959 Marianske Lazne – Round 7 – Jensen, Erik Bartram – 1/2-1/2 – Radovici, Corvin – G50 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1959 Zuerich – Round ? – Tal, Mikhail – 1-0 – Olafsson, Fridrik – G96 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1960 Aalborg – Round 1 – Nielsen, Axel – 1-0 – Hansen, Victor – G31 1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1960 BUL-ch14 – Round 18 – Chipev Teodor – 1-0 – Karastoichev, Emil – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1960 Corr – Round 1 – berni samir – 0-1 – Palmiotto, Fiorentino – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1960 WchT U26 07th – Round 7 – Gibbs, Peter Campbell – 0-1 – Marsalek, Josef – G17 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 Belgrade – Round 1 – Geller, Efim P – 1-0 – Ciric, Dragoljub M – G34 1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 CSR Ch – Round 11 – Pachman, Ludek – 1-0 – Marsalek, Josef – G104 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 CSR Ch – Round 18 – Acosta Fabian, Janna Paloma – 1/2-1/2 – Marsalek, Josef – G168 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 CSR Ch – Round 2 – Marsalek, Josef – 1-0 – Skacel, Jan – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 Mar del Plata – Round 9 – Quinones Carrillo, Oscar – 0-1 – Letelier Martner, Rene – G84 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Nb5 Nf6 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 Oberhausen etc – Round 10.6 – Honfi, K. – 0-1 – Ciric, Dimitrije – G257 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1961 Zuerich – Round 1 – Matulovic, Milan – 1-0 – Lombardy, William J – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1964 EU Ch U20 Niemeyer 3rd – Round 5 – Huebner, Robert – 1-0 – Hoelzl, Franz – G14 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1964 FRG Ch qual 9th – Round 9 – Huebner, Robert – 1/2-1/2 – Degenhardt, Norbert – G31 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1965 Chigorin Memorial – Round 11 – Unzicker, Wolfgang – 1-0 – Damjanovic, Mato – G52 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1965 Chigorin Memorial – Round 7 – Ciric, Dragoljub M – 1/2-1/2 – Damjanovic, Mato – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1965 Tallinn ch-URS – Round 1 – Keres, Paul – 1/2-1/2 – Bukhman, Eduard – G95 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1966 Rubinstein Memorial 04th – Round 12 – Bednarski, Jacek B – 1/2-1/2 – Pietrusiak, Bogdan – G69 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1967 HUN Ch Budapest HUN – Round 6 – Haag, Ervin – 1-0 – Forintos, Gyozo V – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1967 Sousse Interzonal – Round 13 – Matanovic, Aleksandar – 1/2-1/2 – Sarapu, Ortvin – G121 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1967 Sweden (ch) – Round 15 – Kinnmark, Ove – 1/2-1/2 – Martens, Rolf – G77 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1968 Lasker Memorial – Round ? – Suetin, Alexey S – 1/2-1/2 – Zinn, Lothar – G37 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
9. Sinquefield Cup 2022 – Round 6.3 – Nepomniachtchi, Ian – 1/2-1/2 – Caruana, Fabiano – G26 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
GCT Blitz Paris 2021 – Round 1.1 – Nepomniachtchi, Ian – 1/2-1/2 – Rapport, Richard – G1 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
World Blitz 2023 – Round 12.68 – Pranav, V – 0-1 – Garayev, Kanan – G720 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O

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