B28e — Sicilian: O’Kelly, 3.d4 cxd4 4.Nxd4 Nf6

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 Nf6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte f5, paire de fous, colonne d.
Faiblesses adverses : arriéré b7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Bg5 — Clouer Nf6
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre, pawn e4 en prise.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré b7, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B28e — O’Kelly

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 Nf6

Eval: [+0.26]

Les coups candidats

5.Nc3 — 86.7% (5240 parties)

Ambassadeurs : Zalys, Ignas (34x), Collins, Richard Arnold (26x), Bakalar, Jan (18x), Borda, Lajos (15x), Frey, Walter (14x), Damia, Angelo (13x), Csom, Istvan (12x), Morilla Morilla, Candido (12x)

5.Bd3 — 10.5% (637 parties)

Ambassadeurs : Gerhardt, Peter-Michael (6x), Skorobogatykh, Andrey (5x), Wiest, Georg, Dr. (4x), Strasil, Pavel (4x), Kunath, Werner (3x), Manak, Jozef (3x), Mangini, Jose Henrique de Mello (2x), Tavares da Silva Luiz (2x)

5.e5 — 1.1% (69 parties)

Ambassadeurs : Zalys, Ignas (3x), Kaufman, David (1x), Inglott, M. (1x), Collins, Richard Arnold (1x), Lazzaroni, Andrea (1x), Corleo (1x), Lomaya, Teimuraz (1x), Blagidze, Alexander (1x)

5.f3 — 1.0% (63 parties)

Ambassadeurs : Yildiz Kadioglu, Betul Cemre (2x), Rosero, Amilcar (2x), Doucha, Ludvig (1x), Barta, Ervin (1x), Patschull, Martin (1x), Caceres Richter, Dylan (1x), Brotz Herzog, F. (1x), Pozdeeva O (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nc3	5.Bd3	5.e5	5.f3
<1800	462	87%	8%	2%	3%
1800-2200	2913	86%	12%	1%	1%
2200-2600	826	85%	15%	0%	0%
2600+	2	50%	—	—	50%

Évolution par décennie (% des parties)

Décennie	N parties	5.Nc3	5.Bd3	5.e5	5.f3
1920s	3	33%	—	—	—
1930s	1	100%	—	—	—
1940s	10	90%	10%	—	—
1950s	85	92%	7%	—	—
1960s	161	89%	8%	2%	—
1970s	113	90%	8%	2%	—
1980s	156	90%	8%	1%	—
1990s	939	89%	9%	1%	1%
2000s	2079	87%	11%	1%	1%
2010s	2112	85%	11%	1%	2%
2020s	383	84%	14%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nc3	85%	84%	▼ -1.3%
5.Bd3	11%	14%	▲ +2.3%
5.e5	1%	1%	+0.1%
5.f3	2%	1%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 4 parties
Hou, Yifan — 3 parties
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

5.Nc3 — 86.7% (5240 parties)

1926 — Yates, Frederic D vs Tartakower, Savielly — 1-0 — Budapest Budapest HUN
1935 — Asztalos, Lajos vs Tot, Bora — 1/2-1/2 — Belgrado ch YUG
1948 — Arni Snaevarr vs Euwe, Max — 0-1 — Reykjavik ISL
1949 — Platt, Josef vs O'Kelly, Albéric de Galway — 1/2-1/2 — Trencianske Teplice SVK
1949 — Van Steenis, Hendrik Jan vs O'Kelly de Galway, Alberic — 0-1 — Beverwijk NED

5.Bd3 — 10.5% (637 parties)

1949 — Palmer, Marvin vs Euwe, Max — 0-1 — Detroit, MI USA
1950 — Poulsen, Christian vs O'Kelly, Albéric de Galway — 0-1 — Dubrovnik CRO
1952 — Zvorykina, Kira Alekseyevna vs Heemskerk, Fenny — 1-0 — Moscow RUS
1952 — Vasconcelos, Fernando vs Cruz, Walter — 1-0 — Rio de Janeiro BRA
1957 — Stoliar, Efim Samoilovich vs Spassky, Boris V. — 0-1 — Leningrad RUS

5.e5 — 1.1% (69 parties)

1961 — Kaufman, David vs Zalys, Ignas — 0-1 — Golden Knights
1961 — Lomaya, Teimuraz vs Blagidze, Alexander — 1/2-1/2 — Palanga
1964 — Inglott, M. vs Collins, Richard Arnold — 0-1 — ?
1966 — Lazzaroni, Andrea vs Corleo — 0-1 — cr.
1971 — Yepez, Carlos vs Zalys, Ignas — 0-1 — Golden Knights

5.f3 — 1.0% (63 parties)

1993 — Doucha, Ludvig vs Barta, Ervin — 1/2-1/2 — Slovakia
1997 — Patschull, Martin vs Caceres Richter, Dylan — 1/2-1/2 — DLMw Templin
1998 — Brotz Herzog, F. vs Pozdeeva O — 0-1 — Pecs
1999 — Merenyi, Gabor vs Kovacs, Gyorgy — 1/2-1/2 — Budapest HUN
1999 — Lengyel, Laszlo vs Nagy, Csaba — 0-1 — Hajduszoboszlo

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7
Chaînes	—	● b7→a6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0)	● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
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	● c2-c3, ● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1921 Vienna – Round 1 – Spielmann, Rudolf – 1-0 – Tartakower, Savielly – G7 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nd2 Nc6 6. Nxc6 dxc6 7. Bd3 e5 8. O-O Bg4 9. Qe1 Bc5 10. Nb3 Ba7
1949 Beverwijk NED – Round ? – Schmidt, Paul Felix – 0-1 – O'Kelly de Galway, Alberic – G9 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bd3 Nbd7 9. a3 Bxc3 10. Bxc3 Nc5
1949 Beverwijk NED – Round ? – Van Steenis, Hendrik Jan – 0-1 – O'Kelly de Galway, Alberic – G8 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 d5 8. a3 Bxc3+ 9. Qxc3 O-O 10. exd5 Nxd5
1949 Hastings4950 – Round 5 – Horne, Dennis Morton – 1/2-1/2 – Rossolimo, Nicolas – G21 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 d6 9. O-O Bxc3 10. bxc3 b5
1949 Trencianske Teplice – Round 11 – Platt, Josef – 1/2-1/2 – O'Kelly, Albéric de Galway – G65 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Bd6
1949 Trencianske-Teplice – Round 1 – Sefc, Jan – 1/2-1/2 – O'Kelly, Albéric de Galway – G16 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 d6 10. Bd2 Bxc3
1949 Venice – Round 8 – Fletzer, Gino – 0-1 – Prins, Lodewijk – G63 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 Qb6 8. Qd2 Ng4 9. Nd1 Qg6 10. b4 Be7
1950 Dubrovnik olm – Round 9 – Poulsen, Christian – 0-1 – O'Kelly, Albéric de Galway – G127 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O e5 8. c4 Bc5 9. Nc3 d6 10. Rb1 Rb8
1950 Venice – Round 1 – Smyslov, Vladimir – 1-0 – Muller, Hans – G20 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bg5 d6 8. Bc4 h6 9. Bd2 Nbd7 10. Nd5 Nxd5
1951 Madrid ESP – Round 2 – Enevoldsen, Jens – 0-1 – Steiner, Herman – G2 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Qd3 Nc6 8. a3 Ng4 9. Nd1 Qh4 10. g3 Qh5
1951 Simul Prins clock – Round ? – Reinhardt, Gottfried – 1/2-1/2 – Prins, Lodewijk – G4 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 b5 7. a3 Bb7 8. Bg5 Bc5 9. Nd5 Nxe4 10. Be3 Bxe3
1951 USA-op52 Forth Worth – Round 3 – McCormick, Edgar T – 1-0 – Martin, Raymond – G4 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. O-O Bxc3
1952 Havana – Round 11 – Romero Aguilar, Ricardo Alberto – 0-1 – Prins, Lodewijk – G98 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Be7
1952 Havana – Round 5 – Aguero Quesada, Gloriana – 0-1 – Rossolimo, Nicolas – G64 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 d6 9. O-O Bxc3 10. Qxc3 O-O
1952 Moscow – Round 1 – Zvorykina, Kira Alekseyevna – 1-0 – Heemskerk, Fenny – G8 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 e5 6. Ne2 Bc5 7. O-O b5 8. a4 Bb7 9. Ng3 O-O 10. Bg5 bxa4
1952 Rio de Janeiro – Round 7 – Vasconcelos, Fernando – 1-0 – Cruz, Walter – G36 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. c3 e5 7. Nxc6 bxc6 8. f4 Bc5 9. Qe2 exf4 10. Bxf4 d6
1953 Bucharest – Round 8 – Troianescu, Octav – 0-1 – Ciocaltea, Victor – G79 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bg5 d6 8. Bc4 h6 9. Bd2 Qc7 10. Qe2 Bg4
1953 Hastings ch-BCF – Round 1 – Wade, Robert G – 1-0 – Mardle, Denis – G9 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 O-O 9. O-O b5 10. Bd5 Nc6
1953 Hollywood Invitational – Round ? – Woronzoff, Larry – 0-1 – Steiner, Herman – G10 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. h3 Qb6 8. Be3 Bxe3 9. fxe3 Qxe3 10. Qd6 Nc6
1953 Paris – Round 8 – Simonovic, Borko – 1/2-1/2 – Tartakower, Savielly – G22 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 d5 8. a3 Bxc3+ 9. Qxc3 O-O 10. exd5 Nxd5
1955 Budapest – Round 1 – Pogats, Jozsef Jr. – 0-1 – Tapaszto Binet, Laszlo – G50 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 Qb6 8. Qe2 d6 9. Nd5 Nxd5 10. exd5 f5
1955 Clare Benedict Cup – Round 4.3 – Blau, Max – 0-1 – Prins, Lodewijk – G29 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 d6 8. Be2 h5 9. h4 Ng4 10. Bxg4 Bxg4
1955 Hamburg – Round 7 – Castaldi, Vincenzo – 1/2-1/2 – Prins, Laura – G58 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 O-O 8. Bd3 Re8 9. O-O Bxc3 10. Bxc3 Nc6
1955 Hungary Ch – Round 1 – Tapaszto Binet, Laszlo – 0-1 – Portisch, Lajos – G36 1. e4 c5 2. d4 cxd4 3. Nf3 a6 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Qd3 d5 8. Bd2 d4 9. Nb1 Nc6 10. c3 Bc5
1955 Marshall CC Ch 5556 – Round 3 – Mednis, Edmar J – 1-0 – Hearst, Eliot – G9 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Be3 Bxe3 8. fxe3 O-O 9. Qd2 b5 10. Ng3 b4
1956 Moscow olm fin-B – Round 10 – Muffang, Andre – 1-0 – Prins, Laura – G115 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. Bd2 Bxc3
1956 Moscow olm fin-B – Round 5 – Alvarez Flores, Aurelio Alan – 0-1 – Prins, Laura – G50 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Bb3 d6 9. Qd3 Nbd7 10. Nd2 Bxc3
1957 HUN Ch Budapest HUN – Round ? – Honfi, Karoly – 1-0 – Portisch, Lajos – G28 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 d6 8. Be2 Be6 9. O-O Bd4 10. Bg5 Nbd7
1957 Leningrad Ch – Round 13 – Stoliar, Efim Samoilovich – 0-1 – Spassky, Boris V. – G97 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. c4 e5 8. Nc3 Bc5 9. O-O d6 10. Qf3 Nd7
1957 Manhattan CC Ch 5657 fin – Round 6 – Pavey, Max – 1-0 – Shipman, Walter – G16 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd2 Nc6 8. Bd3 d5 9. exd5 Nxd5 10. Nxd5 Bxd2+
1957 Mar del Plata – Round 16 – Ader Hausman, Walter – 0-1 – Cuellar Gacharna, Miguel – G137 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. O-O Nxc3 10. bxc3 Bxc3
1957 Montreal Ch 1956-57 – Round 9 – Lidstone, Phil – 0-1 – Zalys, Ignas – G5 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 Nc6 8. Bd3 d5 9. exd5 Nxd5 10. Ne4 f5
1957 Wageningen zt – Round 12 – Hanninen, Veikko – 0-1 – Teschner, Rudolf – G33 1. e4 c5 2. d4 cxd4 3. Nf3 a6 4. Nxd4 Nf6 5. Bc4 Nxe4 6. Bxf7+ Kxf7 7. Qh5+ g6 8. Qd5+ e6 9. Qxe4 Bg7 10. c4 d5
1957 Warchau ch POL – Round 16 – Kmita, Zbigniew – 1-0 – Brzozka, Stefan – G86 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bg5 Qa5 8. Bd2 Qc7 9. a3 Bxc3 10. Bxc3 d6
1957 Warchau ch POL – Round 5 – Matkowski, Wiktor – 0-1 – Brzozka, Stefan – G23 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 e5 6. Nb3 d5 7. exd5 Nxd5 8. O-O Nc6 9. Be4 Be6 10. Qf3 Nde7
1957 WchT U26 04th – Round 3.1 – Tumurbator, Purev – 1-0 – Drimer, Dolfi – G26 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 O-O 8. Bd2 d6 9. Qe2 Nc6 10. O-O-O Qc7
1957 Wenen etc – Round 3 – Karaklajic, Nikola – 1/2-1/2 – Taimanov, Mark E – G19 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 d6 7. Bg5 Nbd7 8. Nd5 h6 9. Bxf6 Nxf6 10. Nxf6+ Qxf6
1958 Munich ol (Men) qual-C – Round 4 – Succar, Mohammad – 0-1 – Brzozka, Stefan – G5 1. e4 c5 2. d4 cxd4 3. Nf3 a6 4. Nxd4 Nf6 5. Bd3 e5 6. Nf3 d5 7. Bg5 dxe4 8. Bxf6 gxf6 9. Bxe4 Qxd1+ 10. Kxd1 Nc6
1958 Torneo de las Americas 1st – Round 11 – Humerez Estrada, Cidar – 1/2-1/2 – De Greif, Boris – G57 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 h6 8. Bxf6 Bxc3+ 9. bxc3 Qxf6 10. c4 d6
1958 URS Ch sf – Round ? – Grushevsky, Alexander – 1-0 – Bastrikov, Georgy – G46 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Qc7 7. Bd3 d6 8. Bg5 Nbd7 9. a4 h6 10. Bd2 b6
1958 URS Ch sf – Round ? – Rubel, Igor G – 0-1 – Bastrikov, Georgy – G47 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Qc7 7. a3 h6 8. Be3 d6 9. Be2 Be6 10. h3 Nbd7
1959 CAN Ch – Round 3 – Hoover, Walter – 0-1 – Zalys, Ignas – G7 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd2 Nc6 8. Bd3 Bxc3 9. Bxc3 d5 10. exd5 Nxd5
1959 Candidats Tournament – Round 28 – Keres, Paul Petrovich – 0-1 – Olafsson, Fridrik – G103 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Nxe5 O-O 8. Bd3 d5 9. O-O Bxc3 10. bxc3 dxe4
1959 Lodz ch POL – Round 4 – Tarnowski, Alfred – 0-1 – Brzozka, Stefan – G18 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 d6 9. Bd2 Bxc3 10. Bxc3 Nbd7
1959 Open – Round ? – Rivise, Irving – 0-1 – Wang, Arthur D – G8 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bd3 O-O 9. O-O Bg4 10. a3 Bc5
1959 URS Team Ch – Round ? – Gaprindashvili, Nona – 1-0 – Goikhenberg – G118 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bb4 7. Bg5 h6 8. Bxf6 Qxf6 9. Qd3 Bc5 10. f3 Qb6
1959 URS Team Ch – Round 1 – Savon, Vladimir – 1/2-1/2 – Khodos, German – G45 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Qc7 7. Bg5 Bb4 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6
1960 Corr Golden Knights – Round ? – Arganian, David – 0-1 – Zalys, Ignas – G11 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bc4 Qc7 9. Qe2 Bg4 10. Nd5 Nxd5
1960 Corr Golden Knights – Round ? – Elowitch, Stanley – 1-0 – Zalys, Ignas – G9 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bc4 Qc7 9. Qe2 Bg4 10. O-O Nc6
1960 CSR Ch – Round 8 – Jezek, Stanislav – 1/2-1/2 – Vesely, Jiri – G66 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. O-O Bxc3
1960 Leipzig olm prel – Round 6 – Letelier Martner, Rene – 1/2-1/2 – Perez Perez, Francisco Jose – G209 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 d5 8. exd5 Qxd5 9. Bd2 Qxd3 10. Bxd3 O-O
1960 Poland Ch – Round 1 – Tarnowski, Alfred – 1-0 – Drozd, Robert – G3 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Bb3 d6 9. O-O Bxc3 10. bxc3 Nxe4
1960 Santa Fe – Round ? – Klein, Juan Carlos – 0-1 – Gligoric, Svetozar – G26 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bd3 O-O 9. O-O Bg4 10. a3 Bxc3
1960 Sao Paulo zt – Round 15 – Letelier Martner, Rene – 1/2-1/2 – Perez Alcocer, Jose – G77 1. e4 c5 2. Ne2 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 d5 7. exd5 Nxd5 8. Bc4 e6 9. Nxc6 bxc6 10. Ne4 Qh4
1960 Skittles – Round ? – Mueller, E.H. – 0-1 – Blackstone, John – G13 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Qc7 7. Bd3 Bb4 8. Ne2 Nc6 9. O-O b5 10. Bf4 e5
1960 URS Ch sf – Round 6 – Tolush, Alexander V – 1/2-1/2 – Peterson, Andrejs – G44 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Nc6 7. Bg5 Bc5 8. Qd2 h6 9. Be3 Bxe3 10. fxe3 O-O
1961 Golden Knights – Round ? – Gorman, John A – 1-0 – Zalys, Ignas – G5 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Bb3 d6 9. O-O Bxc3 10. bxc3 Nxe4
1961 Golden Knights – Round ? – Kaufman, David – 0-1 – Zalys, Ignas – G4 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. e5 Qa5+ 6. Nc3 Qxe5+ 7. Be3 d5 8. Qd2 e6 9. Nf3 Qc7 10. Bd4 Nc6
1961 Golden Knights – Round ? – Lawrence Maxwell – 0-1 – Zalys, Ignas – G6 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bd3 Nbd7 9. a3 Bxc3 10. Bxc3 Nc5
1961 Golden Knights – Round ? – Simarzi, Joseph – 0-1 – Zalys, Ignas – G10 1. Nf3 c5 2. e4 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 Nc6 8. O-O Bxc3 9. bxc3 O-O 10. Bg5 h6
1961 Vrnjacka Banja ct women – Round 10 – Handsuren, Sandagdorj – 0-1 – Zatulovskaya, Tatiana – G51 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd2 d6 8. Bd3 Be6 9. O-O Nbd7 10. Kh1 Nc5
1961 Zagreb – Round 14 – Ciric, Dragoljub M – 1/2-1/2 – Vospernik, Mira – G116 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. O-O Bxc3
1962 Clare Benedict Cup – Round 3 – Alexander, Conol Hugh – 0-1 – Prins, Lodewijk – G8 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. Bd2 Bxc3
1962 It Bamberg GER – Round 1 – Scheipl, Ralf – 1-0 – Bialas, Wolfram – G2 1. e4 c5 2. d4 cxd4 3. Nf3 a6 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. O-O Bxc3
1962 Olympiad – Round ? – Ortega, Lexy – 1-0 – Honfi, Karoly – G9 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 d6 9. Bd2 Nbd7 10. Nd5 Bxd2+
1962 Varna olm – Round 4 – Acevedo Ortega, Rodrigo Andres – 1-0 – Honfi, K. – G176 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 d6 9. Bd2 Nbd7 10. Nd5 Bxd2+
1962 Whitby ch-BCF – Round 11 – Hindle, Owen M – 1/2-1/2 – Franklin Sheunesu Mhembere – G112 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Bb3 O-O 9. O-O d6 10. Nd5 Nxd5
1962 Zuerich Seniors – Round ? – Johner, Hans – 1-0 – Szabados, Eugenio – G20 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Qxd5 9. O-O Bxc3 10. bxc3 O-O
1963 Telnice/Usti – Round ? – Novak, Ervin – 1-0 – Janata, Michael – G13 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 d6 8. O-O Bxc3 9. bxc3 Qc7 10. Qd3 b5
1964 BRA Ch – Round 10 – Mangini, Jose Henrique de Mello – 1/2-1/2 – Tavares da Silva Luiz – G35 1. e4 c5 2. d4 cxd4 3. Nf3 a6 4. Nxd4 Nf6 5. Bd3 e5 6. Ne2 Bc5 7. Nec3 d6 8. O-O Be6 9. Bg5 Nbd7 10. Nd5 h6
1964 Ch (Men) Budapest HUN – Round 1 – Barczay, Laszlo – 1-0 – Titkos, Jeno – G21 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 h6 7. g3 Be7 8. Bg2 d6 9. O-O Be6 10. h3 Nbd7
1964 GBR Ch 51st – Round 10.12 – Johnstone, John A – 0-1 – Fazekas, Stephan – G18 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Qxd5 9. O-O Bxc3 10. bxc3 O-O
1964 Stevenson Memorial 12th – Round 11 – Lighton, Richard J – 0-1 – Collins, Richard Arnold – G33 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 Bxc3+ 8. bxc3 d6 9. O-O Be6 10. f3 Qc7
1964 Stevenson Memorial 12th – Round 6 – Jones, John H – 1-0 – Collins, Richard Arnold – G15 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Ng3 d4 8. Nb1 Nc6 9. Bd3 Bc5 10. Nd2 b5
1964 SWE Ch – Round ? – Lundin, Erik – 1/2-1/2 – Nilsson, Zandor – G25 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Qxd5 9. O-O Bxc3 10. bxc3 O-O
1964 Tel Aviv olm prel – Round 5 – O'Hare, Eugene – 0-1 – Nilsson, Zandor – G44 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Bg5 d4 8. Bxf6 gxf6 9. Nb1 Qb6 10. Qc1 h5
1964 WchT U26 11. fin-A – Round 7.4 – Lamzhav, D – 0-1 – Kapengut, Albert – G125 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. a3 Bxc3+ 8. bxc3 O-O 9. Bg5 h6 10. h4 d6
1964 Worcester US Open – Round 2 – Matera, Salvatore – 1/2-1/2 – Zalys, Ignas – G2 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd2 Nc6 8. Bd3 d5 9. Nxd5 Nxd5 10. exd5 Qxd5
1965 Buenos Aires ch-ARG – Round 9 – Perez Cascella, Julio – 0-1 – Schweber, Samuel – G63 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 O-O 8. Be2 d6 9. Bg5 h6 10. Bxf6 Bxc3+
1965 Sinaia stud ol prel – Round 4 – Radulov, Ivan – 1-0 – Rabassa, Luis – G20 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qc7 6. Bd3 Nc6 7. Be3 d6 8. O-O e5 9. Nde2 Be6 10. Kh1 Be7
1966 La Habana olm fin-C – Round 2 – Belkadi, Ridha – 1-0 – Myagmarsuren, Lkhamsuren – G11 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 O-O 8. O-O d6 9. Nd5 Nxd5 10. Bxd5 Qc7
1966 OWL Ch – Round 11 – Diekmann, Hans-Joachim, Dr. – 1-0 – Groenegress, Wilfried – G41 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nd2 d6 6. Bd3 g6 7. O-O Bg7 8. N2b3 Nc6 9. h3 O-O 10. Be3 Be6
1966 Panamerican – Round 1 – Santa Cruz, Abimael – 0-1 – Acevedo Ortega, Rodrigo Andres – G29 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 b5 7. Bg5 Bb4 8. Be2 Bb7 9. O-O Bxc3 10. bxc3 Bxe4
1967 Copenhagen – Round 3 – O'Siorchru, O. – 0-1 – Gerusel, Mathias – G27 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 h6 8. Bxf6 Bxc3+ 9. bxc3 Qxf6 10. Bc4 O-O
1967 DDR Ch women – Round 10 – Winter, Irene – 0-1 – Nowarra, Waltraud – G10 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 d5 9. Bxd5 Nxd5 10. exd5 O-O
1967 Germany – Round 1 – Martius, Robert – 0-1 – Heinicke, Herbert – G6 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. O-O Nxc3 10. bxc3 Bxc3
1967 Sousse Interzonal – Round 7 – Bouaziz, Slim – 0-1 – Myagmarsuren, Lkhamsuren – G63 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nc6 10. O-O O-O
1968 Imperia Open – Round 1 – Siveri, Armando – 1-0 – Ljubisavljevic, Zivojin Z – G2 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. O-O e5 7. Nb3 Be7 8. c4 O-O 9. Nc3 Bg4 10. Be2 Be6
1969 Mar del Plata zt – Round ? – Alvarez, Jose-Luis – 0-1 – Schweber, Samuel – G61 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 d5 8. a3 Bxc3+ 9. Qxc3 O-O 10. exd5 Qxd5
1969 Steinheim ch OWL – Round 2 – Mueller von Blumencron, Heiko – 0-1 – Speer, Albrecht – G2 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 d6 8. Bxf6 Qxf6 9. a3 Bxc3+ 10. bxc3 Qg6
1970 IBM – Round 2 – Cortlever, Nico – 1/2-1/2 – Prins, Laura – G85 1. e4 c5 2. Ne2 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 O-O 8. Bd3 d5 9. Nxd5 Nxd5 10. exd5 Bxd2+
1970 Palma de Mallorca Interzonal – Round 14 – Ujtumen, Tudev – 0-1 – Taimanov, Mark – G160 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 Qb6 8. Qd2 O-O 9. Na4 Qc6 10. Nxc5 Qxc5
1970 Vinkovci – Round 4 – Ledic, Tomislav – 0-1 – Taimanov, Mark – G60 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 Qb6 8. Qf3 d6 9. Nf5 Bxf5 10. Qxf5 Nc6
20. European Teams 2015 – Round 2.8 – Agopov, Mikael – 0-1 – Rapport, Richard – G100 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Bb3 d6 9. O-O Bxc3 10. bxc3 Nbd7
Corsican Circuit Final 2016 – Round 1.3 – Azarov, Sergei – 0-1 – Hou, Yifan(HLJ) – G19 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 b5 7. Ng3 Bb7 8. Bg5 Bc5 9. Qf3 Nc6 10. Bxf6 Qxf6
World Blitz 2016 – Round 5.26 – Firouzja, Alireza – 0-1 – Vitiugov, Nikita – G196 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 d4 8. c3 Nc6 9. Bc4 Be7 10. O-O O-O

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B28e — Sicilian: O’Kelly, 3.d4 cxd4 4.Nxd4 Nf6

♔ Point de vue Blancs

♚ Point de vue Noirs

1921 Vienna – Round 1 – Spielmann, Rudolf – 1-0 – Tartakower, Savielly – G7

1949 Beverwijk NED – Round ? – Schmidt, Paul Felix – 0-1 – O’Kelly de Galway, Alberic – G9

1949 Beverwijk NED – Round ? – Van Steenis, Hendrik Jan – 0-1 – O’Kelly de Galway, Alberic – G8

1949 Hastings4950 – Round 5 – Horne, Dennis Morton – 1/2-1/2 – Rossolimo, Nicolas – G21

1949 Trencianske Teplice – Round 11 – Platt, Josef – 1/2-1/2 – O’Kelly, Albéric de Galway – G65

1949 Trencianske-Teplice – Round 1 – Sefc, Jan – 1/2-1/2 – O’Kelly, Albéric de Galway – G16

1949 Venice – Round 8 – Fletzer, Gino – 0-1 – Prins, Lodewijk – G63

1950 Dubrovnik olm – Round 9 – Poulsen, Christian – 0-1 – O’Kelly, Albéric de Galway – G127

1950 Venice – Round 1 – Smyslov, Vladimir – 1-0 – Muller, Hans – G20

1951 Madrid ESP – Round 2 – Enevoldsen, Jens – 0-1 – Steiner, Herman – G2

1951 Simul Prins clock – Round ? – Reinhardt, Gottfried – 1/2-1/2 – Prins, Lodewijk – G4

1951 USA-op52 Forth Worth – Round 3 – McCormick, Edgar T – 1-0 – Martin, Raymond – G4