D14g - 8…Bb4 - Slav Defense: Exchange Variation, Trifunovic Variation (1947)

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D14g — Exchange Variation, Trifunovic Variation (1947)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Qb3 Bb4
Les coups candidats
9.Bb5 — 69.7% (904 parties)
Ambassadeurs : Nenciulescu, Silviu (13x), Hector, Jonny (13x), Meduna, Eduard (7x), Sammalvuo, Tapani (6x), Krallmann, Matthias (5x), Luyks, Marinus (5x), Khenkin, Igor (5x), Kreutzkamp, Reinhold (4x)
9.Ne5 — 24.2% (314 parties)
Ambassadeurs : Ragger, Markus (4x), Morovic Fernandez, Ivan (4x), Demuth, Adrien (4x), Milchev, Nikolay (3x), Usmanov, Vasily (3x), Yu, Ruiyuan (3x), Felgaer, Ruben (2x), Nguyen, Ngoc Truong Son (2x)
9.Be2 — 3.5% (46 parties)
Ambassadeurs : Nenciulescu, Silviu (4x), Krizsan-Bilek, Gyulane (1x), Krisztian, Gabor (1x), Webb, Samuel (1x), Haag, Ervin (1x), Kestler, Hans-Guenther (1x), Seibold, Hubert, Dr. (1x), Meller, B. (1x)
9.a3 — 2.2% (28 parties)
Ambassadeurs : Kas-Fromm, Rita, Dr. (1x), Ghinda, Eugenia (1x), De Alvarenga, Reynaldo Augusto Ferraz (1x), Bernardino, Zelio (1x), Lys, Josef (1x), Bartosik, Piotr (1x), Sacchetti, Andrea (1x), Purdy, Warren M (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Bb5 9.Ne5 9.Be2 9.a3
<1800 35 66% 20% 11% 3%
1800-2200 388 67% 22% 6% 4%
2200-2600 707 72% 25% 2% 1%
2600+ 82 55% 45% — —
Évolution par décennie (% des parties)
Décennie N parties 9.Bb5 9.Ne5 9.Be2 9.a3
1950s 16 94% 6% — —
1960s 15 93% — 7% —
1970s 11 91% — 9% —
1980s 32 91% — 6% 3%
1990s 151 89% 2% 2% 4%
2000s 301 89% 3% 4% 4%
2010s 559 54% 40% 4% 2%
2020s 212 60% 36% 2% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Bb5 54% 60% ▲ +6.0%
9.Ne5 40% 36% ▼ -3.6%
9.Be2 4% 2% ▼ -1.8%
9.a3 2% 0% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
9.Bb5 — 69.7% (904 parties)
1950 — Chestnov, Vitaliy A. vs Furman, Semyon — 0-1 — Dzintari
1952 — Litmanowicz, Wladyslaw vs Grynfeld, Izaak — 1/2-1/2 — Miedzyzdroje
1953 — Rabar, Braslav vs Trifunovic, Petar — 1/2-1/2 — Zagreb CRO
1953 — Petrosian, Tigran V. vs Smyslov, Vasily — 1/2-1/2 — Zurich SUI
1953 — Joseph Wise Gicheru vs AGBOLO, Green Laureta — 1-0 — Hastings ch-BCF
9.Ne5 — 24.2% (314 parties)
1951 — Letelier Martner, Rene vs Jauregui, Carlos — 1-0 — Santiago de Chile
1997 — Mantovani, Renzo vs Boudre, Jean-Pierre — 1/2-1/2 — Cannes FRA
1997 — Jakubowski, Maciej vs Janocha, Wieslaw — 1-0 — Jaroslawiec
1999 — Mueller, Thorsten vs Roth, Markus, Prof. — 0-1 — Untergrombach GER
2000 — Nadal Marti, Bernardo Pedro vs Borrego Sanchez, Felix Manuel — 1/2-1/2 — Palma de Majorca ESP
9.Be2 — 3.5% (46 parties)
1967 — Krizsan-Bilek, Gyulane vs Krisztian, Gabor — 1-0 — cr C-2000
1975 — Webb, Samuel vs Haag, Ervin — 1/2-1/2 — Birmingham ENG
1984 — Kestler, Hans-Guenther vs Seibold, Hubert, Dr. — 1/2-1/2 — Marktredwitz
1989 — Meller, B. vs Kette, Stefan — 1/2-1/2 — GER
1991 — De Jong, Peter vs Van Mechelen, L. — 1/2-1/2 — cr.
9.a3 — 2.2% (28 parties)
1984 — Kas-Fromm, Rita, Dr. vs Ghinda, Eugenia — 1-0 — Budapest Alfoldi mem
1991 — De Alvarenga, Reynaldo Augusto Ferraz vs Bernardino, Zelio — 0-1 — ?
1992 — Krisztian, Gabor vs Varga, Peter — 0-1 — Hungary Tch
1993 — Orsagova, Silvie vs Pcola, Pavol — 1-0 — Horni Becva
1994 — Lys, Josef vs Bartosik, Piotr — 1-0 — Karvina