C91b — Spanish: Closed, Bogoljubow Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes d5 et g5, un fou actif en b3 et la paire de fous.

Côté adverse. Le fou enfermé en e7.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur un fou actif en g4 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

Plans. ...Na5 (Attaquer Bb3) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, c3→d4	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v2), ● d5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 6)
Bg4		● Bg4 Actif (mob. 7)
Be7		● Be7 Enfermé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	3 (b1, c1, a1)	1 (a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d4-d5	● …d6-d5

Partie
1900 Paris FRA – Round 14 – Rosen Vivek Murugesan – 0-1 – Chigorin, Mikhail – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 Bg4 9. c3 O-O 10. Bd5 Qd7
1904 BCF Ch 1st – Round 1 – Michell, Reginald – 1-0 – Tattersall, Creassey Edw Cecil – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 Nd7
1904 London ENG – Round 4 – Gunston, William H – 0-1 – Mortimer, James – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Bd5 Qd7
1907 Karlsbad – Round 1 – Johner, Paul – 0-1 – Rubinstein, Akiba – G116 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Bg4 9. d4 O-O 10. a4 Re8
1913 Scheveningen – Round 1 – Yates, Frederic D – 1/2-1/2 – Alekhine, Alexander – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Bd5 Nxd5
1924 Gyor – Round 1 – Steiner, Laszlo – 1/2-1/2 – Gruber, Sebastian – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Bd5 Bxf3
1928 Mar del Plata – Round 13 – Palau, Luis – 1-0 – De Souza Mendes, Joao – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Bd5 Nxd5
1939 Leningrad/Moscow – Round 17 – Levenfish, Grigory – 1-0 – Ragozin, Viacheslav – G129 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bh5
1940 New York ch-USA – Round 15 – Pinkus, Albert – 1/2-1/2 – Adams, Weaver – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1941 New York – Round ? – Pinkus, Albert – 1-0 – Blumin, Boris – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1941 Ventnor City – Round 7 – Pinkus, Albert – 0-1 – Reinfeld, Fred – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1946 Mar del Plata – Round 12 – Pilnik, Herman – 1/2-1/2 – Bolbochan, J. – G111 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Bd5 Qd7
1947 Helsinki Helsinki FIN – Round 1 – Carlsson, Henrik 2002 – 1/2-1/2 – Lundin, Erik – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1947 Leningrad ch-URS – Round 17 – Ragozin, Viacheslav – 1-0 – Goldenov, Boris P – G155 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 Qd7
1948 Mar del Plata – Round 2 – O'Kelly, Albéric de Galway – 0-1 – Medina-Garcia, Antonio – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. h3 Bxf3
1948 Moskou ch-URS – Round 9 – Panov, Vasily – 0-1 – Lilienthal, Andor – G85 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Na5
1949 Budapest-Moscow – Round 16 – Szily, Jozsef – 1/2-1/2 – Lilienthal, Andor – G115 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 exd4
1949 Leningrad – Round 13 – Zagorovsky, Vladimir – 1/2-1/2 – Tarasov, Vitaly – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Bxf3
1949 Leningrad – Round 15 – Zagorovsky, Vladimir – 0-1 – Krogius, Nikolai V – G112 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Qd7
1949 Leningrad – Round 3 – Koblencs, Alexander – 1/2-1/2 – Zagorovsky, Vladimir – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Bxf3
1949 Moskou ch-URS – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Keres, Paul Petrovich – G133 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bh5
1949 Trencianske-Teplice – Round 5 – Szily, Jozsef – 0-1 – Rossolimo, Nicolas – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Bxf3
1949 URS-ch17 – Round 8 – Boleslavsky, Isaac – 1/2-1/2 – Flohr, Salo – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1950 Amsterdam – Round 11 – Donner, Jan-Hein – 1/2-1/2 – Euwe, Max – G114 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 Qd7
1950 Candidats Tournament – Round 18 – Bronstein, David I – 1-0 – Keres, Paul – G78 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1950 Interzonal – Round 7 – Pilnik, Herman – 1/2-1/2 – Najdorf, Miguel – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bh5
1950 Szcawno Zdroj – Round ? – Pytlakowski, Andrzej – 0-1 – Tarnowski, Alfred – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1950 URS Ch sf – Round 3 – Kogan, Efim – 1-0 – Kopaev, Nikolay A – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. h3 Bxf3
1951 Bucharest GMT 2nd – Round 13 – Urseanu, Veniamin – 0-1 – Troianescu, Octav – G55 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1951 Mar del Plata zt – Round 5 – Bolbochan, J. – 1-0 – Mangini, Jose Henrique de Mello – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1951 YUG Ch 6th – Round 8 – Janosevic, Dragoljub – 0-1 – Simonovic, Borko – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. h3 Bh5
1953 Bariloche – Round 4 – Ader Hausman, Walter – 1/2-1/2 – Alvarez Martin, Pedro – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 Qd7
1953 HUN Ch Budapest HUN – Round ? – Szily, Jozsef – 1/2-1/2 – Kluger, Gyula – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 exd4
1953 POL-ch11 – Round 6 – Szymanski, Aleksander – 1/2-1/2 – Witkowski, Stefan – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. Qd3 Bxf3
1954 Olympiad final B – Round 11 – Robatsch, Karl – 1/2-1/2 – Cuellar Gacharna, Miguel – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1954 Prague zt Prague CZE – Round 7 – Koskinen, Hannu E. – 1/2-1/2 – Balanel, Ion – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. Bd5 Nxd5
1955 Budapest – Round ? – Somogyi, Istvan – 0-1 – Kluger, Gyula – G96 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Bxf3
1955 Erfurt – Round 6 – Padevsky, Nikola – 1-0 – Balanel, Ion – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Re1 Bg4 10. h3 Bxf3
1955 Poland ch13 – Round 17 – Witkowski, Stanislaw – 0-1 – Dworzynski, Roman – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1957 Minsk zt – Round 1 – Vark, Kalju – 1-0 – Vistaneckis, Isakas – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1957 WchT U26 04th – Round 4.1 – Soderborg, Berndt – 1-0 – Persitz, Raaphi – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 exd4
1957 WchT U26 04th – Round 6.3 – Padevsky, Nikola – 0-1 – Blatny, Frantisek – G79 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1958 BRA Ch – Round 4 – Mangini, Jose Henrique de Mello – 1-0 – Peixoto Carlos – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Qd3 Bxf3
1958 BRA Ch – Round 5 – Mangini, Jose Henrique de Mello – 1/2-1/2 – Dantas, Nelson – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. c3 Be7 8. Re1 O-O 9. d4 Bg4 10. Qd3 Qd7
1958 Munich olm fin-A – Round 6 – Fuderer, Andrija – 1-0 – Padevsky, Nikola – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1958 URS-ch25 – Round ? – Tolush, Alexander V – 0-1 – Bronstein, David I – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Qd3 Bxf3
1958 URS-ch25 – Round ? – Tolush, Alexander V – 0-1 – Geller, Efim P – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. a4 Qb8
1960 Leningrad tt – Round 3 – Olsson, Ake – 1-0 – Kolarov, Atanas S. – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. d4 d6 9. c3 Bg4 10. a4 Bxf3
1962 Clare Benedict Cup – Round 1 – Decreton Keller, Henrique – 1/2-1/2 – Unzicker, Ferdinand, Dr. – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1962 Kislovodsk – Round ? – Dubinin, Peter – 1-0 – Antoshin, Vladimir S – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1962 Mar del Plata Latin – Round 9 – Garcia Rodriguez, Raimundo – 1-0 – Estrada Degrandi, Walter – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 Be7 6. O-O O-O 7. Re1 b5 8. Bb3 d6 9. c3 Bg4 10. h3 Bh5
1962 Stockholm – Round 5 – Soderborg, Berndt – 0-1 – Lundin, Erik – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. d4 Bg4 10. a4 exd4
1962 Varna olm – Round 2 – Acabezon Serra, Keltoi – 0-1 – Hecht, Hans-Joachim – G105 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1962 Varna olm – Round 4 – Westerinen, Heikki M.J. – 0-1 – Wade, Robert G – G129 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1963 Corr – Round 1 – Neumann Feliu, Rodrigo – 0-1 – Negyesy, Gyorgy – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1963 Hastings6364 – Round 5 – Littlewood, Norman – 1-0 – Bely, Matthieu – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bxf3
1964 Capablanca Memorial – Round 2 – Padevsky, Nikola – 1-0 – Wade, Robert G – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
1964 Corr EU M – Round ? – Strada M – 0-1 – Schrancz, Istvan – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Bd5 Qd7
1964 Rubinstein Memorial – Round 14 – Velimirovic, Dragoljub – 0-1 – Tsvetkov, Alexandar K – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. h3 Bh5
1965 HUN Ch 21th – Round 1 – Kovacs, Laszlo M – 1-0 – Foldi, Jozsef – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Qd3 Bxf3
1965 Yerevan – Round 8 – Nei, Iivo – 0-1 – Liberzon, Vladimir M – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4 10. a4 Na5
1966 BRA-ch33 – Round 7 – Mangini, Jose Henrique de Mello – 1/2-1/2 – Pimentel, Frederico Guilherme – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Qd3 Bxf3
1966 La Habana olm prel – Round 7 – Bilek, Istvan – 1-0 – Tarazi, Andre – G293 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 O-O 9. Re1 Bg4 10. a4 exd4
1967 FRG Ch 09th – Round 4 – Mohrlok, Dieter – 1-0 – Hess, Ralf E. – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 Bxf3
1969 FRG Team Ch – Round 3.3 – Lehmann, Heinz – 1/2-1/2 – Manakos, Janis – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 d6 9. c3 Bg4 10. h3 Bxf3
4. World Blitz 2008 – Round 1 – Ivanchuk, Vasyl – 0-1 – Mamedyarov, Shakhriyar – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 Qc8

C91b — Closed Bogoljubow Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4

Eval: [+0.17]

Les coups candidats

10.Be3 — 53.7% (5208 parties) →

Ambassadeurs : Van Riemsdijk, Herman C. (73x), Noble, Mark Frederick (18x), Gulko, Boris (17x), Sutovsky, Emil (17x), Lederman, Leon (17x), Schulz, Günter (17x), Van der Wiel, John T.H. (16x), Ganguly, Surya Shekhar (16x)

10.d5 — 39.6% (3840 parties) →

Ambassadeurs : De Coverly, Roger D (42x), Hebden, Mark L (28x), Kamsky, Gata (24x), Klundt, Klaus (22x), Nijboer, Friso (21x), Negi, Parimarjan (19x), Vogt, Lothar (17x), Khalifman, Alexander (17x)

10.h3 — 1.9% (183 parties)

Ambassadeurs : Padevsky, Nikola (6x), Karastoichev, Emil (4x), Westerinen, Heikki M.J. (4x), Pinkus, Albert (3x), Pogats, Jozsef Jr. (3x), Khairullin, Ildar (3x), Whitehead, Paul (3x), Boleslavsky, Isaac (2x)

10.a4 — 1.3% (127 parties)

Ambassadeurs : Przybylski, Wojciech (9x), Soderborg, Berndt (5x), Leniart, Arkadiusz (5x), Panchenko, Alexander N (4x), Bartel, Mateusz (4x), Szily, Jozsef (3x), Zagorovsky, Vladimir (3x), Maroczy, Geza (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Be3	10.d5	10.h3	10.a4
<1800	212	42%	40%	7%	0%
1800-2200	2335	55%	38%	1%	1%
2200-2600	4728	58%	39%	1%	1%
2600+	318	61%	36%	0%	2%

Évolution par décennie (% des parties)

Décennie	N parties	10.Be3	10.d5	10.h3	10.a4
1880s	1	100%	—	—	—
1890s	6	—	17%	17%	—
1900s	15	—	7%	—	33%
1910s	12	58%	25%	8%	—
1920s	47	62%	32%	—	—
1930s	22	55%	36%	5%	—
1940s	81	27%	48%	14%	10%
1950s	151	37%	30%	17%	7%
1960s	329	52%	33%	7%	4%
1970s	542	50%	44%	2%	2%
1980s	754	47%	49%	1%	1%
1990s	1113	34%	58%	2%	1%
2000s	2604	51%	41%	2%	2%
2010s	3516	64%	33%	1%	0%
2020s	508	66%	31%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Be3	64%	66%	▲ +1.8%
10.d5	33%	31%	▼ -2.0%
10.h3	1%	1%	+0.1%
10.a4	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Carlsen, Magnus — 10 parties
Euwe, Max — 7 parties
Ding, Liren — 6 parties
Alekhine, Alexander — 5 parties
Lasker, Emanuel — 4 parties
Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 4 parties
Anand, Viswanathan — 3 parties
Karpov, Anatoly — 3 parties
Kasparov, Garry — 2 parties
Hou, Yifan — 2 parties
Botvinnik, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

10.Be3 — 53.7% (5208 parties)

1889 — Judd, Max vs Baird, John — 1-0 — New York, NY USA
1911 — Nyholm, Gustav vs Barton, James — 1-0 — Cologne GER
1912 — Ahues, Carl vs Kvicala, Josef — 1/2-1/2 — Telegram
1913 — Gruenfeld, Ernst vs Tenschert, Hartmut — 1-0 — Corr
1913 — Capablanca, Jose vs Lasker, Edward — 1-0 — London ENG

10.d5 — 39.6% (3840 parties)

1897 — Suechting, Hugo vs Englisch, Berthold — 1/2-1/2 — Berlin GER
1908 — Suechting, Hugo vs Důras, Oldřich — 0-1 — Vienna AUT
1911 — Grierson, Jordan vs Fox, Chris — 0-1 — Timaru
1911 — Spielmann, Rudolf vs Marshall Viele, Fabrizio Aaron — 1/2-1/2 — Carlsbad CZE
1914 — Miles, EJ. vs Severne E — 1/2-1/2 — Auckland NZL

10.h3 — 1.9% (183 parties)

1898 — Walbrodt, Carl vs Haeusler, Hugo — 1-0 — Augsburg GER
1914 — Smith, George Ernest vs Bryan, Frank Colin — 0-1 — City of London CC
1939 — Levenfish, Grigory vs Ragozin, Viacheslav — 1-0 — Leningrad RUS
1940 — Pinkus, Albert vs Adams, Weaver — 1/2-1/2 — New York, NY USA
1941 — Pinkus, Albert vs Blumin, Boris — 1-0 — New York, NY USA

10.a4 — 1.3% (127 parties)

1904 — Michell, Reginald vs Tattersall, Creassey Edw Cecil — 1-0 — Hastings ENG
1906 — Maroczy, Geza vs Chigorin, Mikhail — 1-0 — Ostend
1906 — Maroczy, Geza vs Alphonso Morgan — 1-0 — USA
1907 — Johner, Paul vs Rubinstein, Akiba — 0-1 — Carlsbad CZE
1908 — A Keller G Wiarda Orthmann E vs Tarrasch, Siegbert — 1-0 — Cologne Chess Club

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