B72k — Sicilian: Dragon, Classical, Nottingham Variation

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Nb3 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 5
bQ
bKRoi au centre — vulnérable
bR
bPPion sous pression
bP
bP
bP
bBFou enfermé — mobilité 2
bP
bN
bP
bN
bP
Case forte (2v0)
Case forte (3v1)
Case forte (3v1)
wPPion central
wN
wN
wBFou actif — mobilité 9
wP
wP
wP
wBFou actif — mobilité 8
wP
wP
wP
wR
wQ
wK
wR
abcdefgh
Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, case forte d5, Be2 actif, Be3 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wKRoi au centre — doit roquer
wQ
wR
wP
wP
wP
wB
wP
wP
wP
wB
wN
wN
Case forte (2v1)
wP
Avant-poste C (accessible)
bP
bN
bP
bN
bP
bB
bP
bP
bP
bP
bR
bK
bQ
bBFou actif — mobilité 5
bR
hgfedcba
Avantages : majorité centre (2v1), case forte g4, case forte e5, avant-poste e5(C), paire de fous, colonne c.
Faiblesses adverses : roi blanc au centre.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
B72k — Dragon Classical Nottingham Variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Nb3
Eval: [+0.18]
Les coups candidats
8…O-O — 74.1% (1014 parties)
Ambassadeurs : Foltys, Jan (5x), Milner Barry, Philip (5x), Cubas, Jose (5x), Soltis, Andrew (4x), Kononenko, Dmitry (4x), Alexander, Conol Hugh (3x), Gromer, Aristide (3x), Filipowicz, Andrzej (3x)
8…Be6 — 14.5% (199 parties)
Ambassadeurs : Botvinnik, Mikhail (6x), Lisitsin, Georgy (3x), Neikirkh, Oleg (2x), Gligoric, Svetozar (2x), Landau, Salo (2x), Alekhine, Alexander (2x), Eliskases, Erich (2x), Fichtl, Jiri (2x)
8…Bd7 — 5.6% (77 parties)
Ambassadeurs : Fox, Albert (1x), H.L. Dickenson (1x), Thomas, George Alan (1x), Colle, Edgar (1x), Hartz, Philip (1x), Spanjaard, Eduard (1x), Ilyin Zhenevsky, Alexander (1x), Golubev, Ivan Petrovich (1x)
8…a6 — 3.6% (49 parties)
Ambassadeurs : Foltys, Jan (1x), Piltz, Karol (1x), Hasenfuss, Wolfgang (1x), Dreibergs, Leonid (1x), Arlauskas, Romanas (1x), Marthinsen, G (1x), Rocas, Orlando (1x), Gama Alberto (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…Be6 8…Bd7 8…a6
<1800 47 62% 15% 15% 9%
1800-2200 427 73% 11% 8% 5%
2200-2600 446 82% 11% 2% 2%
2600+ 2 100%
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Be6 8…Bd7 8…a6
1900s 4 50% 25% 25%
1910s 4 25% 25% 50%
1920s 7 57% 43%
1930s 66 56% 33% 8%
1940s 42 69% 29%
1950s 40 65% 35%
1960s 36 69% 22% 3%
1970s 73 79% 16% 1% 1%
1980s 93 82% 12% 3% 1%
1990s 268 79% 12% 4% 3%
2000s 367 79% 9% 6% 4%
2010s 320 67% 16% 10% 4%
2020s 48 81% 6% 2% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 67% 81% ▲ +14.1%
8…Be6 16% 6% ▼ -9.7%
8…Bd7 10% 2% ▼ -7.9%
8…a6 4% 8% ▲ +4.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 7 parties
Alekhine, Alexander — 3 parties
Kasparov, Garry — 1 partie
Parties historiques
8…O-O — 74.1% (1014 parties)
1905 — Johner, Paul vs Fox, Albert — 1-0 — New York, NY USA
1906 — Johner, Paul vs Fox, Albert — 0-1 — New York, NY USA
1910 — Chodera, Miroslav vs Wegemund, Otto — 1-0 — Hamburg II
1922 — Ahues, Carl vs Marchand, Max — 1-0 — Berlin GER
1924 — Bergen op Zoom vs Middelburg, Denny — 1/2-1/2 — cr.
8…Be6 — 14.5% (199 parties)
1905 — Spielmann, Rudolf vs Leussen, Benjamin — 0-1 — Scheveningen NED
1917 — Giersing, Johannes H vs Sjoberg, Victor — 1-0 — Kristiania
1930 — Schulz, Jan vs Rejfir, Josef — 1-0 — Mnichovo Hradiste
1933 — Rauzer Vsevolod vs Botvinnik, Mikhail — 0-1 — Russia, Ch URS, Leningrad
1933 — Roedl, Ludwig vs Koch, Berthold — 1-0 — Bad Pyrmont GER
8…Bd7 — 5.6% (77 parties)
1904 — Fox, Albert vs H.L. Dickenson — 1-0 — Brooklyn Chess Club
1911 — Michell, Reginald vs Schwietzer, G. — 1/2-1/2 — Anglo-USA cable
1912 — Fridlizius, Joel vs Sjoberg, Victor — 0-1 — Stockholm SWE
1925 — Thomas, George Alan vs Colle, Edgar — 0-1 — Baden-Baden GER
1925 — Ilyin Zhenevsky, Alexander vs Golubev, Ivan Petrovich — 1-0 — Leningrad RUS
8…a6 — 3.6% (49 parties)
1931 — Concepcion Villegas, Bryan Uriel vs Tartakower, Savielly — 0-1 — Buenos Aires ARG
1933 — Rocas, Orlando vs Gama Alberto — 1-0 — Rio de Janeiro BRA
1936 — Arlauskas, Romanas vs Marthinsen, G — 1-0 — Munich GER
1937 — Foltys, Jan vs Piltz, Karol — 1-0 — Jurata
1939 — Hasenfuss, Wolfgang vs Dreibergs, Leonid — 1/2-1/2 — Kemeri / Riga
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● e7→d6, f7→g6, h7→g6
Passés
Majorité ● aile_dame 3v2 ● centre 2v1
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d4 (3v1), ● b5 (2v0), ● d5 (3v1) ● g4 (2v1), ● e5 (2v0)
Cases faibles
Centre ● d4 (3v1), ● d5 (3v1) ● e5 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Be2 ● Be2 Actif (mob. 8)
Be3 ● Be3 Actif (mob. 9)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 2 (a1, h1) 3 (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 ● e4-e5, ● f2-f3 ● …d6-d5, ● …e7-e6, ● …e7-e5
Partie
1905 Scheveningen – Round ? – Spielmann, Rudolf – 0-1 – Leussen, Benjamin – G38
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 d6 8. Nb3 Be6 9. f4 Nd7 10. g4 Nb6
1925 Baden-Baden – Round 1 – Thomas, George Alan – 0-1 – Colle, Edgar – G68
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Bd7 9. O-O O-O 10. f3 Ne5
1931 Buenos Aires – Round 9 – Concepcion Villegas, Bryan Uriel – 0-1 – Tartakower, Savielly – G51
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Nb3 Bg7 8. Be3 a6 9. f3 Be6 10. Nd5 Nd7
1933 GER Ch 1st – Round 11 – Roedl, Ludwig – 1-0 – Koch, Berthold – G35
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Be6 9. Qd2 Ng4 10. Bxg4 Bxg4
1933 GER Ch 1st – Round 15 – Schories, Georg – 0-1 – Richter, Kurt P – G47
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. g4 a5 10. a4 Be6
1933 GER Ch 1st – Round 4 – Schories, Georg – 1-0 – Koch, Berthold – G13
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. g4 Be6 10. f4 Na5
1933 GER Ch 1st – Round 9 – Roedl, Ludwig – 1/2-1/2 – Carls, Carl – G29
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 Be6 10. g4 Qc8
1933 Leningrad ch-URS – Round 1 – Rauzer, Vsevolod – 0-1 – Lisitsin, Georgy – G37
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Be6 9. f4 O-O 10. Bf3 Bc4
1933 Moravska Ostrava – Round ? – Steiner, Lajos – 1-0 – Petrov, Vladimirs – G42
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f3 Na5 10. Qd2 Bd7
1934 Ujpest – Round 1 – Joyeux Steiner, Gael – 0-1 – Frydman, Paulino – G75
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f3 Bd7 10. Qd2 a6
1935 Warsaw olm – Round 14 – Enevoldsen, Jens – 0-1 – Lundin, Erik – G54
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. g4 a5 10. a4 Be6
1936 Budapest IT – Round 2 – Steiner, Endre – 1-0 – Glass, Eduard – G5
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. h4 Be6 10. h5 d5
1936 Dresden – Round 1 – Grob, Henry – 1/2-1/2 – Engels, Ludwig – G6
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 g6 7. Be2 Bg7 8. Nb3 O-O 9. Qd2 a5 10. a4 Nb4
1936 Moscow – Round 14 – Kan, Ilya A – 0-1 – Botvinnik, Mikhail – G44
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. f4 O-O 10. g4 Na5
1936 Moskou – Round 1 – Levenfish, Grigory – 1/2-1/2 – Botvinnik, Mikhail – G19
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. f4 O-O 10. g4 d5
1936 Moskou – Round 14 – Kan, Ilya A – 0-1 – Botvinnik, Alexander – G32
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. f4 O-O 10. g4 Na5
1936 Nottingham – Round ? – Alekhine, Alexander – 1/2-1/2 – Botvinnik, Mikhail – G108
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. f4 O-O 10. g4 d5
1936 Nottingham – Round ? – Alekhine, Alexander – 1/2-1/2 – Botvinnik, Mikhail – G109
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Nb3 Nc6 8. Be3 O-O 9. f4 Be6 10. g4 d5
1936 Nottingham – Round 1 – Alekhine, Alexander – 1/2-1/2 – Botvinnik, Mikhail – G41
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Be6 9. f4 O-O 10. g4 d5
1936 Nottingham – Round 13 – Tylor, Theodore Henry – 1/2-1/2 – Winter, William – G92
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 a5 9. O-O a4 10. Nd4 O-O
1936 Podebrady – Round ? – Foltys, Jan – 1-0 – Eliskases, Erich – G107
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. f4 Be6 10. g4 Na5
1936 Podebrady – Round ? – Foltys, Jan – 1-0 – Pelikán, Jiří – G111
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 Be6 10. g4 Na5
1937 Margate – Round 7 – Milner Barry, Philip – 1-0 – Tylor, Theodore Henry – G27
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 a5 9. a4 O-O 10. O-O Be6
1937 Parnu – Round 4 – Villard, Feliks – 0-1 – Keres, Paul – G11
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1937 POL Ch – Round 2 – Foltys, Jan – 1-0 – Piltz, Karol – G5
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 a6 9. f4 Bd7 10. Bf3 Qc7
1937 Tbilisi ch-URS – Round 1 – Bondarevsky, Igor – 0-1 – Alatortsev, Vladimir N. – G90
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. f4 O-O 10. g4 d5
1938 Hastings3839 – Round 4 – Milner Barry, Philip – 1/2-1/2 – Landau, Salo – G18
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. Qd2 d5 10. O-O-O Nxe4
1938 NED-ch10 – Round 11 – Van den Bosch, Johannes – 0-1 – Van Mindeno, S B – G14
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. Qd2 Re8 10. Bh6 Bh8
1939 Buenos Aires ol prel-A – Round 6 – Milner Barry, Philip – 1-0 – Boettner, L. – G25
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nf6 8. Nb3 O-O 9. f4 a6 10. a4 e6
1939 Buenos Aires ol prel-B – Round 7 – Gulla, LA. – 0-1 – Neikirkh, Oleg – G33
1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be2 Bg7 7. Nb3 Nc6 8. Be3 Be6 9. f4 O-O 10. g4 d5
1939 Leningrad/Moscow – Round 13 – Keres, Paul Petrovich – 1/2-1/2 – Rabinovich, Ilya Mar – G100
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. g4 a5 10. g5 Nd7
1939 Prague olm qual – Round 3 – Schubert, Frantisek – 1-0 – Pokorny, Amos – G7
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 Be6 10. g4 Na5
1940 Rakovnik – Round 4 – Podgorny, Jiri – 0-1 – Krticka F – G22
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. f4 Be6 10. g4 Na5
1943 Prague – Round 1 – Pachman, Ludek – 0-1 – Prucha, Karel – G6
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 Bd7 10. g4 Rc8
1943 Prague – Round 13 – Fichtl, Jiri – 1/2-1/2 – Foltys, Jan – G108
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 a5 10. a4 Nb4
1944 Moskou ch-URS – Round 17 – Bronstein, David I – 1-0 – Ragozin, Viacheslav – G111
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 Be6 10. g4 Na5
1945 Novi Sad – Round 13 – Kazic, Bozidar – 1/2-1/2 – Vukovic, Sava – G136
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. f4 Be6 10. g4 Na5
1945 URS-sf – Round 10 – Aronin, Lev – 1/2-1/2 – Ufimtsev, Anatoly – G41
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f3 Be6 10. Nd5 Nd7
1946 Barcelona – Round 4 – Medina-Garcia, Antonio – 1-0 – Perez Perez, Francisco Jose – G26
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 a5 9. a4 O-O 10. O-O Be6
1946 Londen II – Round 1 – Medina-Garcia, Antonio – 1-0 – De Winter Gallegos, Willy – G2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. g4 Be6 10. g5 Nd7
1946 Londen II – Round 3 – Lupi, Francisco – 1/2-1/2 – Abrahams, Gerald – G12
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. g4 Be6 10. f4 Bxb3
1946 Nottingham ch-BCF – Round 9 – Wade, Robert G – 1/2-1/2 – Wood, Beau – G53
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. g4 d5 10. exd5 Nb4
1947 Moscow Ch – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Aronin, Lev – G14
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Nc6 7. Be3 Bg7 8. Nb3 Be6 9. f4 Qc8 10. Qd2 O-O
1948 Budapest – Round 5 – Radulescu, Mihai – 0-1 – Szabo, Laszlo – G26
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 a5 10. a4 Nb4
1948 CSR Ch – Round 2 – Louma, Josef – 1-0 – Alster, Ladislav – G1
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Be6 9. f4 O-O 10. g4 Na5
1950 Australia ch-3 – Round ? – Arlauskas, Romanas – 1-0 – Salm, Maxwell – G3
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Be6 9. f4 Qc8 10. h3 a5
1950 FRG Ch – Round 12 – Kieninger, Georg – 0-1 – Siegel, Paul – G31
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. f4 Be6 10. g4 d5
1952 Moscow Ch – Round 3 – Baranov, Aleksandr – 0-1 – Averbakh, Yuri L – G16
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1953 Hoogovens – Round 8 – Cortlever, Nico – 0-1 – Van Scheltinga, Theo – G46
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. f4 a5 10. a3 a4
1953 Zagreb – Round 7 – Matanovic, Aleksandar – 1-0 – Dimc, Dragutin – G67
1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1954 Leningrad master – Round ? – Estrin, Yakov – 1/2-1/2 – Geller, Efim P – G17
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1955 Moscow – Round 1 – Estrin, Yakov – 1/2-1/2 – Beilin, Mikhail – G5
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1957 Toronto wch-jr – Round 10 – Jongsma, Alexander – 1-0 – Jobin, F. – G27
1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 Be6 9. f4 Qc8 10. Qd2 O-O
1957 USA Ch Open 58th – Round 1 – Sprague, Ross Frederick – 0-1 – Byrne, David – G7
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 Be6 9. O-O Qc8 10. Kh1 O-O
1958 Jonkoping SWE 60jub – Round 6 – Lindman, Karl Erik – 0-1 – Ragozin, Viacheslav – G8
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 O-O 9. Qd2 a5 10. a4 Be6
1958 WchT U26 fin-B 05th – Round 4 – Tumurbator, Purev – 1-0 – Filipowicz, Andrzej – G26
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f3 Be6 10. Qd2 Na5
1960 CSR Ch – Round 11 – Zajic, Jiri – 0-1 – Prucha, Karel – G94
1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Nb3 Be6 9. f4 Qc8 10. h3 O-O
1963 Spartak CC – Round ? – Kirillov, Vladimir – 0-1 – Mnatsakanian, Eduard A – G14
1. e4 c5 2. Ne2 Nf6 3. Nbc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1964 Kiev ch-URS – Round 1 – Bakulin, Nikolac I – 1/2-1/2 – Shamkovich, Leonid – G86
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nb3 g6 7. Be2 Bg7 8. Be3 O-O 9. Qd2 a5 10. a4 Nb4
1965 Tbilisi – Round ? – Bokuchava, Alexander – 0-1 – Soos, Bela – G60
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 d6 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1966 It II Beverwijk NED – Round 3 – Jongsma, Alexander – 1-0 – Sandor, Bela – G10
1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Be2 Nf6 8. Nb3 O-O 9. f4 e5 10. O-O exf4
1966 Tbilisi – Round 1 – Bokuchava, Alexander – 0-1 – Soos, Bela – G10
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 d6 8. Nb3 O-O 9. f4 a5 10. a4 Be6
1969 Luhacovice – Round 15 – Drimer, Dolfi – 1/2-1/2 – Mista, Ladislav – G109
1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nb3 d6 8. Be2 Be6 9. Qd2 d5 10. Nd4 Nxd4
1969 Open – Round 6 – Blackstone, John – 1-0 – Hershey – G6
1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nb3 d6 8. Be2 O-O 9. f4 Be6 10. Bf3 Qc8
1969 Tallinn – Round 1 – Liberzon, Vladimir M – 1/2-1/2 – Stein, Leonid – G4
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Nb3 O-O 9. f4 b6 10. O-O Bb7

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