D87f - 9.O-O Nc6 - Classical Exchange (1951)

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D87f — Classical Exchange (1951)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6
Les coups candidats
Ambassadeurs : Bobel, Philippe (26x), Packroff, Hermann (19x), Lukacs, Peter (18x), Jansa, Vlastimil (18x), Knaak, Rainer (17x), Schmidt, Wlodzimierz (16x), Korchnoi, Viktor (16x), Kudrin, Sergey (15x)
10.dxc5 — 0.3% (20 parties)
Ambassadeurs : Janosevic, Dragoljub (1x), Milic, Borislav (1x), Zajic, Jiri (1x), Drapal, Robert (1x), Brusila, Heikki (1x), Weinitschke, Guenter (1x), Mattila, Pertti (1x), Koistinen, Kari (1x)
10.Bb2 — 0.2% (16 parties)
Ambassadeurs : Sanchis Calabuig, JC. (1x), Picornell Morant, Jose Enrique (1x), De Santana, Antonio (1x), Dias, Sergio Moreira Ferreira (1x), Kozar, Artyom (1x), Balkhin, Daniil (1x), Sacchetti, Andrea (1x), De Reu, Paul (1x)
10.d5 — 0.2% (14 parties)
Ambassadeurs : Uimonen, Matti (2x), Gadalinski, Jan (1x), Witkowski, Stefan (1x), Enterprise (1x), Awit, Abiella Raine (1x), Plumat, Thibaud (1x), ? (1x), Fene, Jackobson (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Be3 10.dxc5 10.Bb2 10.d5
<1800 322 98% 0% 2% —
1800-2200 2702 99% 0% 0% 0%
2200-2600 2349 100% 0% — 0%
2600+ 117 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10.Be3 10.dxc5 10.Bb2 10.d5
1950s 38 95% 3% — 3%
1960s 85 99% 1% — —
1970s 323 100% — — —
1980s 664 99% — — 0%
1990s 1116 99% 1% 0% 0%
2000s 1931 99% 0% 0% 0%
2010s 2026 99% 0% 0% 0%
2020s 551 99% 0% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Be3 99% 99% -0.2%
10.dxc5 0% 0% -0.0%
10.Bb2 0% 0% +0.2%
10.d5 0% 0% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
10.Be3 — 99.0% (6669 parties)
1950 — Furman, Albert vs Dubinin, Peter — 1-0 — USSR
1950 — Aguayo, Cesar vs Paoli, Enrico — 0-1 — Venice ITA
1950 — Gligoric, Svetozar vs Skold, Kristian — 1-0 — Dubrovnik olm
1950 — Castillo Bermudez, Manuel vs Paoli, Enrico — 1-0 — Venice ITA
1950 — Tartakower, Savielly vs Milic, Borislav — 1/2-1/2 — Bled SLO
10.dxc5 — 0.3% (20 parties)
1951 — Janosevic, Dragoljub vs Milic, Borislav — 1/2-1/2 — Ljubljana
1965 — Zajic, Jiri vs Drapal, Robert — 1/2-1/2 — Prague ch CSR Army
1991 — Trumpf, Walter vs Schmid, Christoph — 1-0 — Zurich op
1993 — Mattila, Pertti vs Koistinen, Kari — 1/2-1/2 — Naantali
1993 — Keck, David vs Dolgitser, Konstantin — 0-1 — Mineola
10.Bb2 — 0.2% (16 parties)
1995 — De Santana, Antonio vs Dias, Sergio Moreira Ferreira — 0-1 — ?
1995 — Sacchetti, Andrea vs De Reu, Paul — 0-1 — IECG CUP95
1996 — Sanchis Calabuig, JC. vs Picornell Morant, Jose Enrique — 0-1 — Aragon
1999 — Kozar, Artyom vs Balkhin, Daniil — 1-0 — Serpukhov
2000 — Gallino, Luca vs Ottaviani, Mauro — 0-1 — B011 SEMI
10.d5 — 0.2% (14 parties)
1953 — Gadalinski, Jan vs Witkowski, Stefan — 0-1 — Krakow POL
1986 — Enterprise vs Awit, Abiella Raine — 1-0 — Cologne GER
1986 — Fene, Jackobson vs Kuzenkov, Alexander — 0-1 — corr Baltic tt
1988 — Plumat, Thibaud vs ? — 0-1 — MWCCC Commercial
1991 — Johansson, Frans vs Stillerud, Lennart — 0-1 — ?