B50m — Sicilian: 2.Nf3 d6 3.c3 Nf6

1.e4 c5 2.Nf3 d6 3.c3 Nf6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré d2, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nc3 — Développer Nb1
● d3 — Libérer Bc1
● Bd3 — Développer Bf1
● 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 : arriéré d2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre, pawn e4 en prise.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Bb4 — Développer Bf8
● ...c4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B50m —

1.e4 c5 2.Nf3 d6 3.c3 Nf6

Eval: [-0.05]

Les coups candidats

4.Be2 — 42.6% (10513 parties) →

Ambassadeurs : Domingo Gadea, Jordi (61x), Rendle, Thomas E (47x), Georgiev, Krum (35x), Hofstetter, Hans-Joachim, Dr. (33x), Dragojlovic, Andjelko (30x), Nun, Jiri (30x), Vratonjic, Slobo (30x), Mahdy, Khaled (27x)

4.h3 — 20.4% (5030 parties) →

Ambassadeurs : Ratnakaran, K. (42x), Tomin, Ksenija (29x), Westerinen, Heikki M.J. (24x), Kalegin, Evgenij (24x), Szitkey, Milan (23x), Jandric, Damjan (20x), Pham, Thi Ngoc Tu (19x), Barlov, Dragan (18x)

4.Bd3 — 17.0% (4192 parties) →

Ambassadeurs : Vajda, Albert (25x), Campora, Daniel H. (24x), Brodie, Hugh (23x), Martinovic, Slobodan (20x), Zolnierowicz, Krzysztof (17x), Mahdy, Khaled (16x), Ghaem Maghami, Ehsan (16x), Georgiev, Krum (15x)

4.Bc4 — 5.4% (1325 parties) →

Ambassadeurs : Maximov, Dmitry (27x), Jentsch, Dieter (18x), Siger, Csaba (15x), Plat, Vojtech (14x), Sedina, Elena (12x), Krauseneck, Peter, Dr. (12x), Melamed, Tatjana (11x), Baklan, Vladimir (10x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Be2	4.h3	4.Bd3	4.Bc4
<1800	899	38%	18%	13%	3%
1800-2200	8932	42%	20%	16%	7%
2200-2600	10715	45%	24%	19%	4%
2600+	288	59%	15%	19%	1%

Évolution par décennie (% des parties)

Décennie	N parties	4.Be2	4.h3	4.Bd3	4.Bc4
1920s	1	—	—	—	—
1930s	13	—	—	—	8%
1940s	9	—	—	22%	—
1950s	137	6%	—	41%	7%
1960s	105	1%	—	42%	9%
1970s	184	17%	—	48%	12%
1980s	943	33%	24%	25%	4%
1990s	4383	47%	16%	16%	6%
2000s	7997	47%	16%	17%	6%
2010s	8798	40%	25%	16%	5%
2020s	2099	38%	33%	16%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Be2	40%	38%	▼ -2.3%
4.h3	25%	33%	▲ +8.0%
4.Bd3	16%	16%	-0.3%
4.Bc4	5%	4%	▼ -1.4%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 5 parties
Carlsen, Magnus — 5 parties
Hou, Yifan — 5 parties
Alekhine, Alexander — 3 parties
Smyslov, Vladimir — 3 parties
Ju, Wenjun — 3 parties
Karpov, Aleksandr — 2 parties
Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Lasker, Emanuel — 1 partie

Parties historiques

4.Be2 — 42.6% (10513 parties)

1953 — Randviir, Juri vs Byvshev, Vasily — 0-1 — Leningrad RUS
1953 — Randviir, Juri vs Keres, Paul Petrovich — 0-1 — Ch Estonia (open)
1954 — De Freitas, Marcio Elisio vs Santa, Cruz Waldemar — 1-0 — ?
1955 — Randviir, Juri vs Chukaev, Egor — 1/2-1/2 — URS-ch sf Vilnius LTU
1955 — Randviir, Juri vs Gipslis, Aivars — 1/2-1/2 — URS-ch sf Vilnius LTU

4.h3 — 20.4% (5030 parties)

1980 — Mirkovic, Slobodan vs Jovanovic, Sasa T — 1-0 — Belgrade SRB
1980 — Martinovic, Slobodan vs Bukic, Enver — 1-0 — Yugoslavia
1980 — Novak, Ivan vs Ftacnik, Lubomir — 1/2-1/2 — Trnava SVK
1980 — Mirkovic, Slobodan vs Kapetanovic, Armin — 1-0 — Belgrade SRB
1980 — Antosik, Alois vs Sobek, Jaroslav — 1/2-1/2 — Karvina

4.Bd3 — 17.0% (4192 parties)

1943 — Czerniak, Magdalena vs Stahlberg, Gideon — 1/2-1/2 — Mar del Plata ARG
1944 — Czerniak, Moshe vs Pelikan, Jorge — 0-1 — La Plata
1950 — Szabados, Eugenio vs Czerniak, Magdalena — 1-0 — Venice ITA
1950 — Czerniak, Magdalena vs Rossetto, Hector — 1/2-1/2 — Mar del Plata ARG
1951 — Canal, Esteban vs Pilnik, Herman — 1/2-1/2 — Madrid ESP

4.Bc4 — 5.4% (1325 parties)

1937 — Becker, Albert vs Gilg, Carl — 1/2-1/2 — Teplitz-Schoenau GER
1951 — Bauza, Lorenzo vs Corral, Hector — 1-0 — San Rafael
1952 — Matteucci, Guido vs Magrin, Antonio — 1/2-1/2 — Ferrara
1952 — Florido Moreno, Jonathan vs Zalys, Ignas — 1-0 — Tampa US op
1953 — Fazekas, Stephan vs Newman Caceres, Reynaldo Adolfo — 0-1 — Hastings ch-BCF

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● d2	—
Chaînes	● b2→c3, d2→c3	● d6→c5, e7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	5 (b8, c8, f8, 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	● c3-c4, ● d2-d3, ● e4-e5	● …c5-c4, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
11. Tal Mem Blitz 2018 – Round 2.5 – Kramnik, Vladimir – 1-0 – Karjakin, Sergey – G12 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. g3 Nbd7 5. d3 g6 6. Bg2 Bg7 7. O-O O-O 8. Re1 e5 9. d4 Qc7 10. a4 b6
1937 Tbilisi ch-URS – Round 1 – Ilyin Zhenevsky, Alexander – 0-1 – Lisitsin, Georgy – G85 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 g6 5. d4 Bg7 6. Be2 O-O 7. O-O Qc7 8. d5 e5 9. c4 h6 10. Nc3 Nh5
1937 Tbilisi ch-URS – Round 1 – Ilyin Zhenevsky, Alexander – 1/2-1/2 – Konstantinopolsky, Alexander – G84 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Bc4 a6 6. a4 e6 7. O-O d5 8. exd5 exd5 9. Re1+ Be7 10. Be2 Nc6
1937 URS-ch10 – Round ? – Ragozin, Viacheslav – 1-0 – Lisitsin, Georgy – G16 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 g6 5. d4 cxd4 6. cxd4 Bg7 7. Nc3 O-O 8. Be2 Bg4 9. O-O Nc6 10. Rd1 Rc8
1938 URS Ch sf Leningrad RUS – Round 1 – Ilyin Zhenevsky, Alexander – 0-1 – Veresov, Gavriil – G12 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. Bg5 g6 6. Bxf6 exf6 7. Nbd2 Bg7 8. Be2 O-O 9. O-O f5 10. Nc4 d5
1938 URS Ch, semi final – Round 1 – Bohatyrchuk, Fedir Parfenovych – 1-0 – Belavenets, Sergey – G32 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. Be3 Bg7 6. Nbd2 Nc6 7. h3 O-O 8. Be2 b6 9. O-O e5 10. d4 cxd4
1939 Buenos Aires – Round ? – Alekhine, Alexander – 1-0 – Zvetkov, Aleksandar – G31 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nc6 6. Nxc6 bxc6 7. Bc4 Bf5 8. d3 e6 9. Qf3 Qd7 10. h3 Be7
1939 Buenos Aires ARG – Round ? – Alekhine, Alexander – 1-0 – Zvetkoff – G17 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nc6 6. Nxc6 bxc6 7. Bc4 Bf5 8. d3 e6 9. Qf3 Qd7 10. h3 Be7
1939 Buenos Aires ol prel-B – Round 1 – Alekhine, Alexander – 1-0 – Tsvetkov, Alexandar K – G5 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nc6 6. Nxc6 bxc6 7. Bc4 Bf5 8. d3 e6 9. Qf3 Qd7 10. h3 Be7
1939 Margate – Round 1 – Wheatcroft, George – 0-1 – Golombek, Harry – G5 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Qe2 Bxb5 6. Qxb5+ Qd7 7. Qe2 Qc6 8. d3 c4 9. Nbd2 cxd3 10. Qxd3 Nbd7
1946 Moscow-Prague – Round 5 – Bronstein, David I – 1-0 – Kottnauer, Cenek – G21 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 e6 7. O-O Be7 8. Qe2 O-O 9. d4 Nc6 10. Rd1 cxd4
1947 Buenos Aires ch-ARG – Round 1 – Benko, Francisco – 1-0 – De Piro, Tristram – G42 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Qd5 6. d4 e6 7. Bb5+ Nbd7 8. O-O cxd4 9. Nxd7 Nxd7 10. Qe2 a6
1948 Karlovy Vary – Round 2 – Zita, Filip – 1/2-1/2 – Sajtar, Jaroslav – G31 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 e6 6. Be2 Be7 7. O-O O-O 8. Rd1 cxd4 9. Nxd4 e5 10. Nf3 h6
1950 Hungary – Round 1 – Balogh, Janos – 0-1 – Gereben, Erno – G49 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Bg4 5. Be2 Nc6 6. h3 Bh5 7. d3 e6 8. Nbd2 Be7 9. Nf1 h6 10. Ng3 Bg6
1951 GER Ch 14th – Round 11 – Eisinger Max – 1-0 – Kieninger, Georg – G34 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Nbd7 5. Qe2 a6 6. Ba4 b5 7. Bc2 e5 8. d4 Be7 9. O-O O-O 10. a4 Bb7
1951 Schlechter Memorial – Round ? – Kinzel, Anton – 1-0 – Lundin, Erik – G24 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Nbxd7 6. Qe2 e5 7. O-O Be7 8. d3 O-O 9. h3 b5 10. Rd1 Qc7
1952 Helsinki olm – Round 1 – Barcza, Gedeon – 1-0 – Lokvenc, Josef – G169 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. Be2 e5 6. O-O Be7 7. a3 O-O 8. b4 a6 9. Nbd2 h6 10. bxc5 dxc5
1952 Helsinki olm – Round 1 – Lundin, Erik – 1/2-1/2 – Sajtar, Jaroslav – G168 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 e6 6. dxc5 dxc5 7. Bg5 Be7 8. Nbd2 Qc7 9. Bh4 Ng4 10. Bg3 Bd6
1952 Helsinki olm – Round 8.1 – Lundin, Erik – 0-1 – Najdorf, Miguel – G8 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Bc4 e6 6. d4 Nbd7 7. d5 e5 8. Nh4 8. ... g6 9. f4 exf4 10. Bxf4 Bg7
1952 Olympiad Helsinki (Finland) – Round 1 – Stoltz, Gabriel – 1-0 – Evans Lianda – G6 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 e6 5. d4 Qc7 6. dxc5 dxc5 7. Bg5 Be7 8. Nbd2 Nc6 9. Bh4 O-O 10. Bg3 Bd6
1952 Olympiad Helsinki (Finland) – Round 1 – Stoltz, Gabriel – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G5 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 e6 6. dxc5 dxc5 7. Bb5 Qc7 8. Bg5 Bd7 9. Nbd2 Be7 10. O-O O-O
1952 Saltsjobaden Interzonal – Round 19 – Stoltz, Gabriel – 0-1 – Stahlberg, Gideon – G179 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 e6 5. d4 Be7 6. dxc5 dxc5 7. Bd3 Nc6 8. O-O Qc7 9. Re1 a6 10. Bg5 Nd7
1952 Vienna 5253 – Round 11 – Kinzel, Anton – 1/2-1/2 – Stoeckl, Ernst – G5 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Qe2 Nc6 6. O-O a6 7. Ba4 e5 8. d4 b5 9. dxe5 dxe5 10. Bc2 Be7
1953 Hoogovens – Round 1 – Bouwmeester, Hans – 1/2-1/2 – Rossolimo, Nicolas – G10 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Nbxd7 6. Qe2 e6 7. d4 d5 8. exd5 Nxd5 9. c4 Nc7 10. O-O cxd4
1954 Belgrade – Round 1 – Czerniak, Moshe – 0-1 – Petrosian, Tigran A. – G14 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. d3 g6 6. Be2 Bg7 7. O-O O-O 8. h3 b6 9. Bf4 Nbd7 10. Nbd2 Bb7
1954 Belgrade – Round 17 – Czerniak, Moshe – 0-1 – Petrosian, Tigran V – G137 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. d3 g6 6. Be2 Bg7 7. O-O O-O 8. h3 b6 9. Bf4 Nbd7 10. Nbd2 Bb7
1954 URS Ch, semi final – Round 1 – Bannik, Anatolij – 1-0 – Moiseev, Oleg – G41 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Be2 g6 6. O-O Bg7 7. d3 O-O 8. h3 a6 9. Be3 b5 10. a4 Bb7
1955 Hoogovens – Round 1 – Bouwmeester, Hans – 1/2-1/2 – Abalde Perez, Fernando Jose – G8 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Nc6 5. Qe2 a6 6. Bxc6+ bxc6 7. O-O e6 8. e5 dxe5 9. Nxe5 Qd5 10. d3 Bd6
1955 Long Beach US-open – Round 10 – Berliner, Hans – 0-1 – Saidy, Anthony – G56 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nc6 8. Re1 e5 9. Nbd2 b5 10. d4 cxd4
1955 Poland ch13 – Round 1 – Dworzynski, Roman – 1-0 – Szapiro, Grzegorz – G8 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Nfd7 5. d4 a6 6. Bd3 Nc6 7. O-O g6 8. Be3 Bg7 9. Nbd2 O-O 10. h3 e5
1955 Poland ch13 – Round 1 – Prochownik, Franciszek – 1/2-1/2 – Doda, Zbigniew – G7 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Be2 e6 6. O-O Be7 7. d4 Nbd7 8. c4 O-O 9. Nc3 a6 10. d5 Re8
1956 Marianske Lazne/Praha – Round 19 – Jezek, Jaroslav – 1/2-1/2 – Alster, Ladislav – G125 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 e6 7. O-O Nc6 8. Qe2 Be7 9. d4 cxd4 10. cxd4 d5
1956 Moscow olm prel – Round 5 – Pfeiffer, Gerhard – 1/2-1/2 – Panno, Oscar – G152 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 e6 7. O-O Nc6 8. Re1 Be7 9. Bg5 O-O 10. h3 Rfd8
1956 OWL Ch – Round 8 – Groenegress, Wilfried – 1/2-1/2 – Flatau, Leo – G9 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Qe2 Bxb5 6. Qxb5+ Qd7 7. Qe2 Nc6 8. O-O e5 9. Rd1 Qc7 10. d4 Be7
1957 Corr Golden Knights – Round ? – Parsons, Gilbert – 0-1 – Zalys, Ignas – G8 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d4 Nxe4 5. Qa4+ Bd7 6. Bb5 e6 7. Qb3 Bxb5 8. Qxb5+ Qd7 9. Qxd7+ Nxd7 10. O-O Be7
1957 DDR Ch 08th – Round 9 – Breustedt, Werner – 1-0 – Zirngibl, Albert – G59 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. Be2 e6 6. O-O Be7 7. Nbd2 Qc7 8. d4 O-O 9. b3 cxd4 10. cxd4 d5
1957 Sao Paulo – Round 7 – Engels, Ludwig – 0-1 – Najdorf, Miguel – G8 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d3 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O Rb8 9. Nbd2 Ne8 10. h3 b5
1957 URS Ch sf – Round 6 – Poliak, Abram – 0-1 – Ravinsky, Grigory – G6 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 Bg4 6. Be3 e6 7. Nbd2 Be7 8. Bd3 Qc7 9. h3 Bh5 10. O-O-O cxd4
1957 Viborg Jubilaeum – Round 6 – Rellstab, Ludwig – 1/2-1/2 – Pedersen, Eigil – G11 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Nbxd7 6. d3 e6 7. O-O Be7 8. Re1 O-O 9. Nbd2 Qc7 10. Nf1 Rfe8
1958 Jonkoping SWE 60jub – Round 1 – Lindman, Karl Erik – 0-1 – Barda, Olaf – G3 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Qd5 6. d4 e6 7. Be3 cxd4 8. cxd4 Bb4+ 9. Nc3 O-O 10. f3 Nc6
1958 Mar del Plata – Round 12 – Olivera, Alfredo – 0-1 – Larsen, Benjamin Holsko – G89 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nbd7 6. f4 e6 7. d4 Nxe5 8. fxe5 Nd5 9. Bb5+ Bd7 10. Bxd7+ Qxd7
1958 Riga ch-URS – Round 1 – Bannik, Anatolij – 1/2-1/2 – Spassky, Boris Vasily – G49 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 g6 5. d4 Bg7 6. dxc5 dxc5 7. Be3 Nbd7 8. Nbd2 O-O 9. e5 Ng4 10. e6 fxe6
1958 Riga ch-URS – Round 1 – Bronstein, David I – 1-0 – Suetin, Alexey S – G50 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 e5 6. dxe5 dxe5 7. Bb5 Qc7 8. Nbd2 Bd7 9. Nf1 a6 10. Be2 Nd8
1958 Sarajevo – Round 1 – Rellstab, Ludwig – 1/2-1/2 – Eliskases, Erich – G5 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Nbd7 5. d3 a6 6. Ba4 e5 7. O-O Be7 8. Re1 O-O 9. d4 b5 10. Bc2 Bb7
1958 Sofia – Round 1 – Tsvetkov, Alexandar K – 1/2-1/2 – Pantaleev, Dimitar – G16 1. Nf3 c5 2. e4 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 e6 6. Be2 d5 7. e5 Nd7 8. O-O f6 9. exf6 Nxf6 10. Bg5 Qc7
1959 Candidats Tournament – Round 14 – Smyslov, Vladimir – 1/2-1/2 – Fischer, Raphael – G53 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 cxd4 6. cxd4 d5 7. e5 Ne4 8. Nc3 Bf5 9. Qb3 Nxc3 10. bxc3 Qd7
1959 HUN Ch Budapest HUN – Round 17 – Forintos, Gyozo V – 0-1 – Barcza, Gedeon – G68 1. Nf3 c5 2. e4 d6 3. c3 Nf6 4. d3 Nc6 5. Be2 Bg4 6. Nbd2 e6 7. h3 Bh5 8. O-O Be7 9. Re1 O-O 10. Nf1 d5
1959 Marianske Lazne – Round 11 – Radovici, Corvin – 0-1 – Polugaevsky, Lev – G78 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Bb5+ Nbd7 6. O-O g6 7. Re1 Bg7 8. Na3 O-O 9. d4 a6 10. Bf1 b5
1960 Aalborg – Round 1 – Kolvig, Bent – 1-0 – Nielsen, Hartvig – G15 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. g3 e5 6. Bg2 Be7 7. O-O O-O 8. Na3 d5 9. exd5 Nxd5 10. Re1 Bf6
1960 Mar del Plata – Round 11 – Letelier Martner, Rene – 0-1 – Spassky, Boris V. – G91 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. Qe2 Qg4 7. e5 dxe5 8. Nxe5 Qxg2 9. Qf3 Qg5 10. Nc4 Nc6
1960 Sao Paulo zt – Round 1 – Letelier Martner, Rene – 0-1 – Schweber, Samuel – G6 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 g6 7. Qe2 Nc6 8. Bg5 Bg7 9. Na3 O-O 10. O-O Rab8
1961 Montevideo – Round 1 – Estrada Degrandi, Walter – 1/2-1/2 – Alvarez del Monte, Jose – G9 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Qe2 Bxb5 6. Qxb5+ Qd7 7. Qxd7+ Nbxd7 8. d3 e6 9. c4 Be7 10. Nc3 O-O
1961 Moskou – Round 1 – Bronstein, David I – 1/2-1/2 – Smyslov, Vladimir – G63 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. Be2 Bg4 6. O-O e6 7. Rd1 Qc8 8. d4 Be7 9. Na3 O-O 10. Bg5 Rd8
1962 Stockholm Interzonal – Round 3 – Teschner, Rudolf – 1/2-1/2 – Gligorić, Svetozar – G25 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Bg4 5. d4 cxd4 6. cxd4 e6 7. Nc3 Be7 8. Be2 O-O 9. Be3 Nc6 10. O-O d5
1963 Wch U18 – Round 7 – Janata, Michael – 1-0 – Zakharov, Alexander V – G13 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. Be2 Bg7 6. O-O O-O 7. Nbd2 Nc6 8. Re1 e5 9. a3 Nh5 10. b4 Nf4
1964 DDR Ch 14th – Round 11 – Muehlberg, Siegfried – 1/2-1/2 – Schmidt, Gerhard – G14 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Qe2 Bxb5 6. Qxb5+ Qd7 7. Qe2 Nc6 8. O-O e6 9. d4 Be7 10. e5 dxe5
1964 Kiev ch-URS – Round 1 – Bronstein, David I – 0-1 – Stein, Leon Rico – G63 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. O-O e6 8. c4 Be7 9. Nc3 O-O 10. d3 a6
1966 La Habana olm prel – Round 3 – Sin Kuen – 0-1 – Stein, Leonid – G55 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. d4 cxd4 6. Nxd4 Nc6 7. Nb5 Qd8 8. Be3 Ng4 9. Bf4 a6 10. Nd4 e5
1966 Mar del Plata – Round 13 – Emma, Jaime – 0-1 – Reshevsky, Samuel – G60 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. Qe2 Qg4 7. d3 Qxg2 8. Rg1 Qh3 9. Bg5 g6 10. Bxf6 exf6
1966 Mar del Plata – Round 8 – Emma, Jaime – 1/2-1/2 – Stein, Leon Rico – G42 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. Nbd2 Nc6 8. O-O Rb8 9. a4 b6 10. Re1 Ba6
1966 SWE Ch – Round 11 – Skold, Kristian – 1/2-1/2 – Nilsson, Zandor – G12 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. Na3 Bd7 6. d4 cxd4 7. Nb5 Bxb5 8. Bxb5+ Nfd7 9. Nxd4 g6 10. Be3 Bg7
1966 Venice tt – Round 5 – Knezevic, Milorad – 1/2-1/2 – Musil, Vojko – G34 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 g6 5. d4 Qc7 6. dxc5 dxc5 7. Na3 a6 8. Nc4 b5 9. Ncd2 Bd7 10. a4 bxa4
1967 GER ch b20 Hochspeyer – Round 1 – Kiffmeyer, Constanz – 0-1 – Maeder, Karl-Heinz – G1 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. g3 Nc6 5. d3 g6 6. Nbd2 d5 7. Bg2 d4 8. c4 Bg7 9. O-O O-O 10. a3 a5
1967 Sarajevo – Round 1 – Kozomara, Vlado – 0-1 – Tringov, Georgi P – G7 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nbd7 6. Bb5 a6 7. Bxd7+ Nxd7 8. d4 Nxe5 9. dxe5 Qxd1+ 10. Kxd1 Bf5
1968 Sweden (ch) – Round 5 – Sköld, Kristian – 1/2-1/2 – Johansson, Martin 1979 – G19 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Bg4 5. d4 Bxf3 6. gxf3 cxd4 7. cxd4 e6 8. Nc3 Be7 9. Be3 d5 10. e5 Nfd7
1969 Schwerin – Round 1 – Fuchs, Reinhart – 1/2-1/2 – Bindrich, Oswald – G19 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. g3 Nc6 6. Bg2 Bg7 7. O-O O-O 8. Nbd2 Rb8 9. h3 b5 10. a3 Nd7
1969 Sweden – Round 1 – Skold, Kristian – 0-1 – Andersson, Ulf 1949 – G26 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 e6 5. d4 Be7 6. dxc5 dxc5 7. Bb5+ Nbd7 8. O-O O-O 9. e5 Nd5 10. Bd3 h6
40. Olympiad Open 2012 – Round 2.37 – Seitaj, Ilir – 1/2-1/2 – Avrukh, Boris – G137 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Nbd7 5. d3 a6 6. Bxd7+ Bxd7 7. O-O g6 8. Re1 Bc6 9. Bg5 Bg7 10. Nbd2 h6
Luzern olm 1982 – Round 1 – Hort, Vlastimil – 1-0 – Dunne, David – G5 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. g3 Bg7 6. Bg2 Nc6 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 O-O 10. Qe2 Rb8
World Blitz 2019 – Round 21.18 – Chigaev, Maksim – 1-0 – Korobov, Anton – G1402 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. g3 Nc6 5. d3 g6 6. Bg2 Bg7 7. O-O O-O 8. Re1 e5 9. a4 h6 10. Na3 Be6

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