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D76i —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.d5
Les coups candidats
Ambassadeurs : Romanishin, Oleg M (17x), Grabarczyk, Miroslaw (14x), Wojtkiewicz, Aleksander (11x), Fominyh, Alexander (9x), Ribli, Zoltan (8x), Beil, Zdenek (8x), Pigusov, Evgeny (8x), Greenfeld, Alon (8x)
9…Nb4 — 5.2% (110 parties)
Ambassadeurs : Heinicke, Herbert (2x), Larsen, Bent Ravn (1x), Roessel, Frits (1x), Furman, Semyon (1x), Solowiew, W. (1x), Benko, Pal (1x), Rapaka Samuel Paul (1x), Sokolsky, Alexey (1x)
9…Bxc3 — 1.4% (29 parties)
Ambassadeurs : Thomsen, Keld (1x), Poddubiuk, Jan (1x), Werner, Dimo (1x), Budde, Vladimir (1x), Ilic, Zoran (1x), Rogers, Ian (1x), Horvath, Csaba (1x), Jukic, Branimir (1x)
9…Ne5 — 1.3% (27 parties)
Ambassadeurs : Laurberg, Hakon (1x), Korning, Peter (1x), Busch, Raimund (1x), Huettemann, Karl-Heinz (1x), Vadasz, Laszlo (1x), Luecke, Norbert (1x), Romanishin, Oleg M (1x), Balenovic, Zvonimir (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Na5 9…Nb4 9…Bxc3 9…Ne5
<1800 37 78% 14% 5% 3%
1800-2200 511 90% 6% 1% 2%
2200-2600 1351 94% 4% 1% 1%
2600+ 50 98% 2%
Évolution par décennie (% des parties)
Décennie N parties 9…Na5 9…Nb4 9…Bxc3 9…Ne5
1950s 13 69%
1960s 13 46% 23% 8%
1970s 53 87% 8% 2%
1980s 169 94% 4% 2%
1990s 507 95% 2% 1% 1%
2000s 539 93% 5% 1% 1%
2010s 675 90% 6% 2% 2%
2020s 134 91% 6% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Na5 90% 91% ▲ +1.1%
9…Nb4 6% 6% +0.0%
9…Bxc3 2% 2% +0.2%
9…Ne5 2% 1% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 1 partie
Parties historiques
9…Na5 — 91.4% (1922 parties)
1963 — Avram, H vs Gligoric, Svetozar — 0-1 — Chicago US op
1966 — Bachtiar, Arovah vs Polugaevsky, Lev — 0-1 — Beverwijk NED
1967 — Whiteley, Andrew Jonathan vs Hartston, William R — 1/2-1/2 — Hastings ENG
1969 — Gufeld, Eduard vs Taimanov, Mark — 1/2-1/2 — Grozny
1969 — Krogius, Nikolai V vs Hort, Vlastimil — 1/2-1/2 — Varna BUL
9…Nb4 — 5.2% (110 parties)
1952 — Hoenlinger, Baldur vs Heinicke, Herbert — 0-1 — Hagen
1952 — Malchev, Andrej vs Filchev, Rusko — 0-1 — Sofia BUL
1953 — Boxall, Ronald Frank vs Cook, Patrick — 1/2-1/2 — Hastings ch-BCF
1954 — Furman, Semyon vs Solowiew, W. — 1-0 — Gorki ch22-SU sf
1954 — Zita, Filip vs Sandor, Balazs — 1/2-1/2 — Amsterdam olm
9…Bxc3 — 1.4% (29 parties)
1983 — Werner, Dimo vs Budde, Vladimir — 1-0 — Duitsland tt
1983 — Ilic, Zoran vs Rogers, Ian — 1/2-1/2 — Nis SRB
1987 — Thomsen, Keld vs Poddubiuk, Jan — 1/2-1/2 — corr
1990 — Da Silva, Antonio H vs De Santana, Antonio Felix Jr — 1-0 — ?
1990 — Spassov, Liuben vs Ristic, Natalija — 1-0 — Metz op Metz FRA
9…Ne5 — 1.3% (27 parties)
1968 — Laurberg, Hakon vs Korning, Peter — 1/2-1/2 — ?
1974 — Busch, Raimund vs Huettemann, Karl-Heinz — 1/2-1/2 — Dortmund GER
1990 — Vadasz, Laszlo vs Luecke, Norbert — 0-1 — Miskolc
1992 — Itkis, Boris vs Miulescu, Gabriel — 1/2-1/2 — Bucharest-B Bucharest ROM
1995 — Romanishin, Oleg M vs Balenovic, Zvonimir — 1-0 — Biel open