D87i - 10…Na5 - Classical Exchange (1956)

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D87i — Classical Exchange (1956)
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 10.Be3 Na5
Les coups candidats
11.Bd3 — 94.6% (1644 parties)
Ambassadeurs : Bobel, Philippe (15x), Banas, Jan (14x), Jansa, Vlastimil (10x), Laghetti, Gaetano (10x), Bernal Varela, Nelson (8x), ? (8x), Palladino, Mario (7x), Korchnoi, Viktor (6x)
11.Bb3 — 2.3% (40 parties)
Ambassadeurs : Neduchal, Zdenek (1x), Tichy, Vladimir (1x), Fernandez, Eduardo (1x), Faleg, Alberto (1x), Kaidanov, Gregory (1x), Garcia Martinez, Silvino (1x), Martin Allende, Jorge (1x), Busto Prendes, Abel (1x)
11.Bb5 — 2.0% (35 parties)
Ambassadeurs : Korobov, Dmitry A. (2x), Sjugirov, Sanan (2x), Bobel, Philippe (2x), Chevallier, Didier (1x), Banas, Jan (1x), Turczynski, Marian (1x), Lucki, Stanislaw (1x), Ivanchuk, Vasyl (1x)
11.Qd3 — 0.4% (7 parties)
Ambassadeurs : Menz, Robert (1x), Schmidtke, Heinrich (1x), Farova, Jana (1x), Bowler, Robert (1x), Wolf, Fritjof (1x), Andre, Wolfgang (1x), Moreno Vicente, Jesus Miguel (1x), Aupi Royo, Juan Ignacio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11.Bd3 11.Bb3 11.Bb5 11.Qd3
<1800 101 86% 8% 1% 2%
1800-2200 754 94% 3% 2% 0%
2200-2600 664 97% 0% 2% —
2600+ 70 94% — 6% —
Évolution par décennie (% des parties)
Décennie N parties 11.Bd3 11.Bb3 11.Bb5 11.Qd3
1950s 12 100% — — —
1960s 19 95% 5% — —
1970s 55 98% 2% — —
1980s 72 99% 1% — —
1990s 134 93% 6% 1% —
2000s 392 96% 2% 1% 1%
2010s 887 93% 2% 3% 1%
2020s 167 96% 2% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11.Bd3 93% 96% ▲ +2.5%
11.Bb3 2% 2% -0.5%
11.Bb5 3% 2% ▼ -1.2%
11.Qd3 1% 0% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Parties historiques
11.Bd3 — 94.6% (1644 parties)
1950 — Gligoric, Svetozar vs Skold, Kristian — 1-0 — Dubrovnik olm
1951 — Kluger, Gyula vs Sallay, Roland — 1-0 — Budapest HUN
1955 — Joyner, Lionel vs Jursevskis, Miervaldis — 1/2-1/2 — Ottawa CAN
1956 — Gligorić, Svetozar vs Pachman, Ludek — 1/2-1/2 — Moscow RUS
1956 — Alster, Ladislav vs Ragozin, Viacheslav — 1/2-1/2 — Marianske Lazne/Praha
11.Bb3 — 2.3% (40 parties)
1968 — Neduchal, Zdenek vs Tichy, Vladimir — 0-1 — Prague CZE
1975 — Fernandez, Eduardo vs Faleg, Alberto — 0-1 — Mercedes
1987 — Kaidanov, Gregory vs Garcia Martinez, Silvino — 1/2-1/2 — Moscow Moscow RUS
1993 — Martin Allende, Jorge vs Busto Prendes, Abel — 1/2-1/2 — Asturias
1993 — Benderac, Ana vs Bajkovic, Miroslava — 1-0 — Belgrade SRB
11.Bb5 — 2.0% (35 parties)
1991 — Chevallier, Didier vs Banas, Jan — 1-0 — Cappelle la Grande FRA
2008 — Turczynski, Marian vs Lucki, Stanislaw — 1/2-1/2 — ICCF
2008 — Ivanchuk, Vasyl vs Morozevich, Alexander — 1-0 — Moscow RUS
2008 — Van Beek, Alexander vs Ondersteijn, Niels — 0-1 — Netherlands NED
2009 — Ogaard, Leif vs Elsness, Frode — 1/2-1/2 — Oslo NOR
11.Qd3 — 0.4% (7 parties)
2004 — Menz, Robert vs Schmidtke, Heinrich — 1/2-1/2 — ?
2007 — Farova, Jana vs Bowler, Robert — 1-0 — Mureck AUT
2010 — Wolf, Fritjof vs Andre, Wolfgang — 0-1 — Verden
2010 — Chen, Kevin Emmanuel vs Grasso, David — 0-1 — Branchburg USA
2011 — Kirk, Matthew vs Brookes, Christopher — 0-1 — Guernsey GCI