E43b — Nimzo-Indian: Nimzowitsch, 5.Bd3

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes e4 et b5, un fou actif en d3 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; Bd2 (Développer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur un fou actif en b4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 8)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (g1, c1, 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	● c4-c5, ● d4-d5, ● e3-e4, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1914 St Petersburg prel – Round 1 – Rubinstein, Akiba – 0-1 – Alekhine, Alexander – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 Bxc3+ 8. bxc3 d5 9. Ne2 O-O 10. O-O Nbd7
1931 New York – Round 1 – Fine, Reuben – 0-1 – Dake, Arthur – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Be4 8. Bxe4 Nxe4 9. Rxg7 Nxf2 10. Qc2 Qh4
1932 London – Round 7 – Menchik, Vera – 1-0 – De Winter Gallegos, Willy – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 Bxc3+ 7. bxc3 d5 8. Ne2 c5 9. O-O O-O 10. Ng3 cxd4
1933 New York – Round 11 – Simonson, Albert – 0-1 – Fine, Reuben – G26 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 O-O 9. O-O d5 10. Bg5 dxc4
1933 New York – Round 2 – Fine, Reuben – 1-0 – Beckhardt – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 Bxc3+ 8. bxc3 d6 9. O-O Nc6 10. e4 e5
1933 Western Chess Association – Round 3 – Fine, Reuben – 1-0 – Palmer, Marvin – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 d5 8. cxd5 exd5 9. O-O Nc6 10. Qe1 cxd4
1936 Amsterdam – Round 1 – Spielmann, Rudolf – 0-1 – Van den Bosch, Johannes – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 O-O 8. dxc5 Bxc5 9. a3 Nc6 10. b4 Be7
1936 Bad Nauheim – Round 3 – Weissgerber, Gerhard – 1-0 – Van den Bosch, Johannes – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 O-O 10. b5 Qc7
1936 Moscow – Round ? – Capablanca, Jose – 1/2-1/2 – Kan, Ilya A – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 Nc6 8. O-O cxd4 9. exd4 d5 10. cxd5 Nxd5
1936 Olympiad (unofficial) – Round 15 – Abhayender Jung – 0-1 – Trompowsky, Octavio – G112 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 Nc6 7. Ne2 e5 8. d5 Ne7 9. e4 h6 10. Be3 O-O
1936 Podebrady – Round ? – Ståhlberg, Gideon – 1-0 – Fazekas, Stephan – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 d5 8. cxd5 exd5 9. O-O O-O 10. a3 Ba5
1937 Budapest – Round 1 – Lindner Lages, Jorge – 0-1 – Szabo, Ladislav – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Bf3 8. Rxg7 Bg4 9. e4 Bf8 10. Rxg4 Nxg4
1939 Leningrad ch-URS – Round 1 – Ragozin, Viacheslav – 1-0 – Romanovsky, Pjotr – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 Nh5 7. Ne2 f5 8. O-O O-O 9. Qc2 Nc6 10. a3 Bxc3
1939 Leningrad ch-URS – Round 4 – Romanovsky, Pjotr – 0-1 – Kan, Ilya A – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 O-O 9. Bg5 Be7 10. O-O d5
1939 SCO-ch52/ – Round 8 – Winter, William – 1-0 – McNaughton W – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 d5 8. cxd5 Nxd5 9. e4 Ne7 10. a3 cxd4
1942 Sao Paulo – Round ? – Duarte, Paulo Jorge Silva – 1-0 – De Souza Mendes, Joao – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 O-O 7. Ne2 d5 8. O-O Nbd7 9. Qc2 c5 10. cxd5 exd5
1946 Buenos Aires ch-ARG – Round 1 – Sanguinetti, Renato – 1-0 – Aponte De La Corte, Jose Manuel – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 cxd4 8. axb4 dxc3 9. Ne2 O-O 10. O-O d5
1946 Hungary – Round 1 – Szilagyi, Gyorgy Laszlo – 0-1 – Florian, Tibor – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Be4 8. Bxe4 Nxe4 9. Rxg7 Nxf2 10. Qc2 Qh4
1946 San Francisco ARG – Round 1 – Bahamonde, Antonio – 0-1 – Corte, Cesar J – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 O-O 8. O-O d5 9. cxd5 cxd4 10. exd4 Nxd5
1947 Nt Lueneburg GER – Round 11 – Heinicke, Herbert – 1-0 – Schulz, Walter – G25 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 d5 7. cxd5 Nxd5 8. Ne2 Nd7 9. e4 Nxc3 10. bxc3 Be7
1948 Moskou ch-URS – Round 7 – Levenfish, Grigory – 1-0 – Tolush, Alexander – G64 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 cxd4 8. axb4 dxc3 9. Ne2 O-O 10. b3 d5
1950 Sorrento ch ITA – Round 7 – Staldi, Cherubino – 1/2-1/2 – Giustolisi, Alberto – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. Nxd4 O-O 9. O-O d5 10. Nce2 Nc6
1951 Mar del Plata zt – Round 18 – Sumar, Julio – 1-0 – Vasconcellos, Fernando O – G174 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. Ne2 O-O 10. e4 Ne8
1951 New York ch-USA – Round 3 – Pinkus, Albert – 0-1 – Santasiere, Anthony – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 d5 7. Ne2 O-O 8. O-O c5 9. cxd5 cxd4 10. exd4 Nxd5
1952 Mar del Plata – Round 2 – Letelier Martner, Rene – 0-1 – Ader Hausman, Walter – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Be4 8. Ng3 Bg6 9. e4 c5 10. d5 b5
1954 DDR Ch 05th – Round 2 – Schlieder, Rolf – 1/2-1/2 – Platz, Hans – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 cxd4 8. exd4 Be7 9. Nge2 O-O 10. O-O d5
1954 Hungary Ch – Round 1 – Kluger, Gyula – 1-0 – Gereben, Erno – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 d5 7. Ne2 c5 8. a3 Bxc3+ 9. bxc3 O-O 10. cxd5 exd5
1955 Aberystwyth ch-BCF – Round 1 – Parr, Frank – 1/2-1/2 – Golombek, Harry – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 O-O 9. O-O d5 10. cxd5 Nxd5
1955 Aberystwyth ch-BCF – Round 10 – Parr, Frank – 0-1 – Milner Barry, Philip – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 O-O 7. Ne2 d5 8. cxd5 exd5 9. O-O c5 10. a3 Bxc3
1955 Argentina – Round 13 – Reinhardt, Enrique – 1/2-1/2 – Alcaraz Suarez, Juan Camilo – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 Nc6 8. a3 Bxc3+ 9. bxc3 d6 10. e4 Qd7
1955 Erfurt – Round 9 – Dittmann, Sieghart – 1-0 – Alster, Ladislav – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 d5 9. O-O O-O 10. Bg5 dxc4
1955 Manhattan CC Ch 5556 – Round 9 – Pinkus, Albert – 1-0 – Owens, Benjamin – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. Ne2 O-O 10. e4 Ne8
1956 Moscow olm prel – Round 5 – Barda, Olaf – 0-1 – Keres, Paul – G144 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 Nc6 9. Be3 d5 10. O-O dxc4
1957 Reggio Emilia ch ITA – Round 12 – Magrin, Antonio – 1/2-1/2 – Norcia, Federico – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 d6 8. O-O Bxc3 9. bxc3 e5 10. Ng3 Nc6
1958 Munich olm prel – Round 6 – Romani, Elio – 0-1 – Dueckstein, Andreas – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 O-O 9. Bg5 h6 10. Bh4 Be7
1961 Corr FS – Round 1 – Albareda, Miguel – 1-0 – Sanguinetti, Ricardo – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. dxc5 Bxc5 8. Nge2 O-O 9. O-O d5 10. cxd5 Nxd5
1961 Warsaw – Round 1 – Mititelu, Gheorghe – 1/2-1/2 – Lengyel, Laszlo – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Be4 8. a3 Bxc3+ 9. Nxc3 Bg6 10. e4 d5
1961 Wch U20 fin-A – Round 10 – Ahmed Nagy, Shady – 0-1 – Westerinen, Heikki M.J. – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 d5 7. a3 Be7 8. Nge2 c5 9. dxc5 bxc5 10. cxd5 exd5
1964 Clare Benedict Cup 11th – Round 3 – Magrin, Antonio – 0-1 – Zuidema, Coen – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 O-O 8. O-O cxd4 9. exd4 d5 10. cxd5 Nxd5
1967 Debrecen – Round 1 – Filep, Tibor – 0-1 – Bronstein, Daniel E – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 O-O 9. Bg5 Be7 10. O-O d5
1967 Harrachov – Round 1 – Kerius, Nick – 0-1 – Neukirch, Detlef – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. Ne2 O-O 10. e4 Ne8
1968 Netanya-A – Round 3 – Aloni, Itzchak – 1/2-1/2 – Hamann, Slawomir – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 cxd4 8. exd4 O-O 9. a3 Be7 10. O-O d5
1969 Praia da Rocha zt – Round 10 – Durao, Joaquim – 1-0 – Saborido Carre, Rafael – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 d5 8. O-O cxd4 9. Qa4+ Bc6 10. Qxb4 dxc3
1975 URS Team Ch – Round 1 – Ustinov, Georgy I – 0-1 – Ruderfer, Mark B – G131 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Ne2 Nc6 8. O-O cxd4 9. exd4 d5 10. a3 Be7
34. ECC Open 2018 – Round 3.3 – Durarbayli, Vasif – 1-0 – Gunnarsson, Arnar – G90 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Be4 8. a3 Bxd3 9. Qxd3 Bf8 10. e4 d6
World Blitz 2015 – Round 14.55 – Milanovic, Danilo – 1-0 – Akopian, Vladimir – G892 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 c5 7. O-O cxd4 8. exd4 O-O 9. d5 Na6 10. Bg5 h6
World Blitz 2015 – Round 8.59 – Milanovic, Danilo – 1-0 – Jumabayev, Rinat – G512 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 c5 7. O-O O-O 8. d5 Bxc3 9. Nxc3 d6 10. e4 Nbd7
XXIII Rapid KO 2010 – Round 1.5 – Gelfand, Boris – 1-0 – Vallejo Pons, Francisco – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Bf3 8. Qc2 Nc6 9. a3 Bd6 10. Rxg7 Kf8

E43b — Nimzowitsch

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3

Eval: [+0.27]

Les coups candidats

5…Bb7 — 97.1% (4127 parties)

Ambassadeurs : Georgiev, Vladimir (24x), Gligoric, Svetozar (21x), Milanovic, Danilo (17x), Zsinka, Laszlo (16x), Muir, Andrew J (16x), Lukacs, Peter (15x), De Firmian, Nick (15x), Peralta, Fernando (13x)

5…O-O — 1.2% (51 parties) →

Ambassadeurs : Kolanek, Roman (2x), Tzend, Donoy (1x), Zuidema, Coen (1x), Gawlikowski, Stanislaw (1x), Regedzinski, Teodor (1x), Geller, Efim P. (1x), Keres, Paul (1x), Luckis, Marcos (1x)

5…Bxc3+ — 0.8% (34 parties)

Ambassadeurs : Tomkins, Ken (2x), Scoones, Dan (1x), Scoones Daniel (1x), Suzuki, W. (1x), Dandridge, Marvin (1x), Schaefer, Michael (1x), Mehler, Gerhard (1x), Moser, David (1x)

5…c5 — 0.5% (23 parties)

Ambassadeurs : Kuettner, Uwe (1x), Wehnert, Lutz (1x), Rantanen, Matti (1x), Smiltiner, Shlomo (1x), Pettersson Goran (1x), Backe, Peter (1x), Herink, Miroslav (1x), Novak, Ervin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Bb7	5…O-O	5…Bxc3+	5…c5
<1800	91	86%	8%	3%	1%
1800-2200	1249	96%	2%	1%	0%
2200-2600	1979	98%	0%	1%	0%
2600+	66	98%	—	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	5…Bb7	5…O-O	5…Bxc3+	5…c5
1910s	5	100%	—	—	—
1920s	1	100%	—	—	—
1930s	23	100%	—	—	—
1940s	23	100%	—	—	—
1950s	61	95%	3%	—	2%
1960s	115	97%	2%	—	1%
1970s	201	98%	—	—	1%
1980s	297	97%	1%	1%	1%
1990s	704	97%	1%	1%	0%
2000s	1160	98%	1%	1%	1%
2010s	1368	96%	2%	1%	0%
2020s	293	98%	1%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Bb7	96%	98%	▲ +1.6%
5…O-O	2%	1%	▼ -1.2%
5…Bxc3+	1%	0%	▼ -0.5%
5…c5	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 3 parties
Carlsen, Magnus — 3 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5…Bb7 — 97.1% (4127 parties)

1914 — Rubinstein, Akiba vs Alekhine, Alexander — 0-1 — St Petersburg (05)
1914 — Rubinstein, Akiba vs Alekhine, Alexander — 0-1 — St Petersburg RUS
1914 — Janowski, Arkadiusz vs NIEMZOWITSCH — 1/2-1/2 — St Petersburg RUS
1914 — Janowski, Dawid vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS
1914 — Janowski, Dawid vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS

5…O-O — 1.2% (51 parties)

1952 — Gawlikowski, Stanislaw vs Regedzinski, Teodor — 0-1 — Katowice POL
1952 — Geller, Efim P. vs Keres, Paul — 1-0 — Moscow RUS
1960 — Tzend, Donoy vs Zuidema, Coen — 0-1 — Leningrad RUS
1965 — Luckis, Marcos vs Sanguineti, Raúl Carlos — 1/2-1/2 — Buenos Aires ARG
1988 — Martinez Walters, Carlos vs Zagorovsky — 1-0 — cr.

5…Bxc3+ — 0.8% (34 parties)

1981 — Suzuki, W. vs Dandridge, Marvin — 1-0 — corr ICA
1982 — Scoones, Dan vs Tomkins, Ken — 0-1 — Vancouver BC CAN
1982 — Scoones Daniel vs Tomkins, Ken — 0-1 — Seattle, WA USA
1992 — Silvero, Marcelo vs Amura, Claudia — 0-1 — Buenos Aires Traffic
1993 — Schaefer, Michael vs Mehler, Gerhard — 1-0 — Darmstadt

5…c5 — 0.5% (23 parties)

1958 — Rantanen, Matti vs Smiltiner, Shlomo — 1-0 — Munich GER
1969 — Kuettner, Uwe vs Wehnert, Lutz — 1-0 — Schwerin GER
1970 — Visier Segovia, Fernando vs Keres, Paul — 0-1 — Kapfenberg AUT
1971 — Herink, Miroslav vs Novak, Ervin — 1/2-1/2 — Havirov CZE
1976 — Pettersson Goran vs Backe, Peter — 0-1 — Norrkoping

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