D49j — Semi-Slav: Meran, Old Main Line, Botvinnik Variation

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.e4 c5 10.e5 cxd4 11.Nxb5 axb5 12.exf6 Qb6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. fxg7 (Capture en g7 — 69 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 25 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...gxf6 (Capture en f6 — 15 % des parties) ; ...Bb7 (Fou actif (mobilité 6), Développer c8 — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● f2, ● f6	—
Pions isolés	—	● b5
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	● d4
Majorité	● aile dame 2v1, aile roi 4v3	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● c5 (3v0)
Cases faibles	—	—
Centre	● e4 (1v0)	● d5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c
Semi-ouvertes	● d, ● e	● a

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 10)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	4 (● 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

Partie
1925 Baden-Baden – Round 1 – Colle, Edgar – 1-0 – Te Kolste, Jan Willem – G32 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1938 URS Ch sf Leningrad RUS – Round 1 – Tolush, Alexander V – 1-0 – Veresov, Gavriil – G1 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. d4 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1939 Amsterdam VARA – Round 4 – Landau, Salo – 1-0 – Fontein, J. – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1939 Berlijn m – Round 1 – Eliskases, Erich – 1/2-1/2 – Bogoljubow, Efim – G2 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1939 Buenos Aires ol f-A – Round 15 – Keres, Paul Petrovich – 1-0 – Piazzini, Luis – G286 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1939 Leningrad/Moscow – Round 17 – Lilienthal, Andor – 1/2-1/2 – Belavenets, Sergey – G124 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1942 Moscow RUS – Round 1 – Smyslov, Vladimir – 1-0 – Kamishov, Mikhail P – G5 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1943 Prague – Round 11 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul Petrovich – G91 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1943 Salzburg – Round 1 – Bogoljubow, Efim – 0-1 – Schmidt, Pascal – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1944 USA Ch – Round 1 – Shainswit, George – 0-1 – Horowitz, Albert Israel – G1 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1945 Moskou ch-URS – Round 1 – Ratner, Boris – 1/2-1/2 – Kotov Lundqvist, Alex – G16 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Bd3 Nbd7 6. Nf3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1945 Novi Sad – Round 2 – Kazic, Bozidar – 1/2-1/2 – Rabar, Braslav – G49 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1945 Vina del Mar – Round 8 – Najdorf, Miguel – 1-0 – Alarcon Gutierrez, Juan David – G27 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Augsburg 1st – Round 9 – Zemgalis, Elmars – 1/2-1/2 – Krumins, Arvis – G17 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Barcelona – Round 7 – Najdorf, Miguel – 1-0 – Wade, Robert G – G43 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Barcelona – Round 8 – O'Kelly, Albéric de Galway – 1/2-1/2 – Perez Perez, Francisco Jose – G48 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Hamburg HSV – Round 1 – Lehmitz, Guenther – 0-1 – Rellstab, Ludwig Sr – G2 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Hamburg HSV – Round 10 – Rellstab, Ludwig Sr – 0-1 – Schmidt, Paul Felix – G16 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Hamburg Union – Round 10 – Hoenlinger, Baldur – 1-0 – Koesler, Thomas – G13 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Londen II – Round 5 – Wood, Gabriel – 0-1 – Denker, Arnold S – G10 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Moscow – Round 1 – Kottnauer, Cenek – 1-0 – Kotov Lundqvist, Alex – G2 1. c4 e6 2. d4 d5 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Moscow-Prague – Round 10 – Kottnauer, Cenek – 1-0 – Kotov, Alexander. – G42 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 Ostrawa ch CZE – Round 9 – Tikovsky, J. – 0-1 – Foltys, Jan – G13 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1946 USA Ch New York, NY USA – Round 1 – Kashdan, Isaac – 0-1 – Horowitz, Albert Israel – G5 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1947 Chigorin Memorial – Round ? – Kottnauer, Cenek – 1-0 – Pachman, Ludek – G78 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1947 GER Ch 11th – Round 4 – Elsas, Hansgeorg – 1/2-1/2 – Niephaus, Walter – G5 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 a6 7. e4 dxc4 8. Bxc4 b5 9. Bd3 c5 10. e5 cxd4
1947 Hilversum zt – Round 6 – Trifunovic, Petar – 1/2-1/2 – Alexander Ronald Cheng – G15 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1947 Hungary – Round 1 – Aczel Szabo, Janos – 1-0 – Gereben, Erno – G7 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1947 Kirchheim Teck – Round 4 – Palme, Rudolf – 1-0 – Unzicker, Wolfgang – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1948 Budapest – Round 1 – Szabo, Laszlo – 1-0 – Foltys, Jan – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1948 Stockholm – Round 1 – Aczel Szabo, Janos – 1-0 – Foltys, Jan – G7 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1948 World Championship 18th – Round 12 – Botvinnik, Mikhail – 1-0 – Euwe, Max – G8 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1949 Budapest-Moscow – Round 2 – Tipary, Lajos – 1-0 – Simagin, Vladimir – G10 1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. c4 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1949 Mar del Plata – Round 15 – Maderna, Carlos – 1-0 – Benko, Francisco – G126 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1949 Oldenburg – Round 15 – Saemisch, Friedrich – 0-1 – Wade, Robert G – G50 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1949 Trencianske Teplice – Round 14 – Szabo, Ladislav – 0-1 – Szily, Jozsef – G82 1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1949 Trencianske Teplice – Round 14 – Ujtelky, Maximilian – 1/2-1/2 – Richter, Edgar – G88 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. e3 c6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1949 Trencianske-Teplice – Round 6 – Golombek, Harry – 1/2-1/2 – Szily, Jozsef – G38 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1950 FRG Ch – Round 6 – Schmidt, Paul – 1/2-1/2 – Niephaus, Walter – G16 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1950 HUN-ch06 – Round 1 – Vajda, Arpad – 1/2-1/2 – Szily, Jozsef – G16 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1951 HUN Ch 07th – Round 11 – Szily, Jozsef – 1-0 – Florian, Tibor – G3 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1951 New York ch-USA – Round 8 – Evans Lianda – 1-0 – Bernstein, Sidney – G30 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1951 Restricted Opening Tournament – Round ? – Jorham, Charlie – 0-1 – Anderson, Frank Ross – G5 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1952 Budapest – Round 12 – Sliwa, Bogdan – 1-0 – Gereben, Erno – G109 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Nbd7 5. e3 c6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1959 Hastings5960 – Round 4 – Burger, Hein – 0-1 – Pomar Salamanca, Arturo – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1964 ESP Ch 29th – Round 15 – Visier Segovia, Fernando – 1/2-1/2 – Pomar Salamanca, Arturo – G60 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
1966 Zinnowitz GER – Round 2 – Gromek, Jozef – 0-1 – Nei, Iivo – G7 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. d4 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
8. Sinquefield Cup 2021 – Round 3.2 – Mamedyarov, Shakhriyar – 1-0 – Rapport, Richard – G12 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
Rotterdam tt 1988 – Round 3.5 – Petran, Pal – 1-0 – Piket, Jeroen – G21 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
World Cup 1988 – Round 1 – Nogueiras Santiago, Jesus – 1/2-1/2 – Beliavsky, Alexander G – G6 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4
World Cup 1989 – Round 8 – Nogueiras Santiago, Jesus – 1-0 – Beliavsky, Alexander G – G84 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4

D49j — Meran, Old Main Line, Botvinnik Variation (1925)

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.e4 c5 10.e5 cxd4 11.Nxb5 axb5 12.exf6 Qb6

Les coups candidats

13.fxg7 — 69.1% (159 parties)

Ambassadeurs : Feher, Gyula (7x), Jovcic, Milan (5x), Pomar Salamanca, Arturo (4x), Petran, Pal (4x), Szily, Jozsef (2x), Rabar, Braslav (2x), Fuderer, Andrija (2x), Kouatly, Bachar (2x)

13.O-O — 25.2% (58 parties)

Ambassadeurs : Nemet, Ivan (2x), Gregoire, Thierry (2x), Salamuni R (1x), De Souza Mendes, Joao (1x), Sullivan, James (1x), Stevens, Ben M (1x), Teters, Arthur (1x), Kondra, Boris (1x)

13.Qe2 — 3.0% (7 parties)

Ambassadeurs : Huber, Marc (1x), Wiest, Georg, Dr. (1x), Nguyen, Khanh Huy (1x), Huynh, Thanh Tinh (1x), Horbach, Frank (1x), Giurgiu, Tiberiu (1x), Kyburz, Stefan (1x), Kokko, Esa (1x)

13.Be4 — 2.6% (6 parties)

Ambassadeurs : Greenfeld, Alon (1x), Van der Wiel, John T.H. (1x), Niemela, Antti (1x), Sammalvuo, Tapani (1x), Olarasu, Gabriela (1x), Jagodzinska, Joanna (1x), Perez Lopez, Jesus Maria (1x), Gonzalez Menendez, Ivan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	13.fxg7	13.O-O	13.Qe2	13.Be4
<1800	4	50%	50%	—	—
1800-2200	56	61%	25%	11%	4%
2200-2600	105	71%	27%	—	2%
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	13.fxg7	13.O-O	13.Qe2	13.Be4
1950s	23	78%	22%	—	—
1960s	6	100%	—	—	—
1970s	6	100%	—	—	—
1980s	48	88%	6%	—	6%
1990s	50	64%	30%	2%	4%
2000s	63	57%	35%	6%	2%
2010s	26	58%	35%	8%	—
2020s	8	50%	50%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
13.fxg7	58%	50%	▼ -7.7%
13.O-O	35%	50%	▲ +15.4%
13.Qe2	8%	0%	▼ -7.7%
13.Be4	0%	0%	+0.0%

Parties historiques

13.fxg7 — 69.1% (159 parties)

1950 — Vajda, Arpad vs Szily, Jozsef — 1/2-1/2 — Budapest HUN
1950 — Schmidt, Paul vs Niephaus, Walter — 1/2-1/2 — Bad Pyrmont GER
1950 — Nievergelt, Erwin vs Reutimann, Hans Peter — 1-0 — Lucerne SUI
1951 — Mueller, Claus vs Knothe, Karl — 1-0 — Schwerin GER
1951 — Richter, Kurt vs Schenk, Alexander — 1-0 — Berlin-Ost

13.O-O — 25.2% (58 parties)

1951 — Salamuni R vs De Souza Mendes, Joao — 1-0 — Fortaleza BRA
1951 — Evans, Larry vs Bernstein, Sidney — 1-0 — New York ch-USA
1955 — Sullivan, James vs Stevens, Ben M — 1-0 — ?
1958 — Teters, Arthur vs Kondra, Boris — 1/2-1/2 — Sydney AUS
1958 — Jacques, Stander vs Barry, James — 0-1 — Hollywood, CA

13.Qe2 — 3.0% (7 parties)

1997 — Huber, Marc vs Wiest, Georg, Dr. — 0-1 — Bayern
2001 — Nguyen, Khanh Huy vs Huynh, Thanh Tinh — 1-0 — ?
2001 — Horbach, Frank vs Giurgiu, Tiberiu — 1/2-1/2 — IECG
2008 — Kyburz, Stefan vs Kokko, Esa — 1/2-1/2 — Espoo We ESK
2009 — Schreiner, Till vs Kyas, Marcel — 1-0 — Rotenburg

13.Be4 — 2.6% (6 parties)

1984 — Olarasu, Gabriela vs Jagodzinska, Joanna — 1/2-1/2 — Katowice Ech-20G
1987 — Greenfeld, Alon vs Van der Wiel, John T.H. — 1/2-1/2 — Groningen NED
1989 — Niemela, Antti vs Sammalvuo, Tapani — 0-1 — Helsinki FIN
1994 — Bartek, Zdenek vs Nemec, Tadeus — 0-1 — Bratislava SVK
1999 — Perez Lopez, Jesus Maria vs Gonzalez Menendez, Ivan — 1/2-1/2 — ESP

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