C79a - 6.* - Morphy Defense, Steinitz Deferred (1900)

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C79a — Morphy Defense, Steinitz Deferred (1900)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6
Les coups candidats
Ambassadeurs : Parshin, Vitaly Alekseevich (19x), Weber-Widmer, Daniel A (17x), Salinas Herrera, Pablo (12x), Látal, Frantisek (10x), Struzka, Vlastimil (10x), Sambuev, Bator (10x), Grutter, Tim (9x), Kolanek, Roman (8x)
Ambassadeurs : Ragozin, Viacheslav (6x), Ivkov, Borislav (6x), Tal, Mikhail (5x), Pilnik, Herman (5x), Kolanek, Roman (5x), Teschner, Rudolf (4x), Byvshev, Vasily (4x), Suetin, Alexey S (4x)
Ambassadeurs : Palciauskas, Victor V (6x), Klovans, Janis (6x), Shianovsky, Vladislav I (4x), Szily, Jozsef (4x), Edighoffer, Harold H (4x), Vasquez, Gerardo (4x), Minev, Nikolay N (3x), Tringov, Georgi P (3x)
6.d4 — 7.5% (426 parties)
Ambassadeurs : Spassky, Boris V. (2x), Beliavsky, Alexander G (2x), Burg, Brent (2x), Plume, Gunars (2x), Kourkoulos-Arditis, Stamatis (2x), Sloan, Sam (1x), Reiber, Klaus (1x), Ronean, J. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Re1 6.c3 6.Bxc6+ 6.d4
<1800 588 58% 13% 6% 10%
1800-2200 2107 56% 15% 10% 9%
2200-2600 1579 52% 21% 15% 5%
2600+ 83 54% 19% 20% 2%
Évolution par décennie (% des parties)
Décennie N parties 6.Re1 6.c3 6.Bxc6+ 6.d4
1950s 155 30% 37% 26% 4%
1960s 199 32% 30% 27% 3%
1970s 175 41% 23% 25% 7%
1980s 162 46% 14% 29% 7%
1990s 637 57% 13% 10% 10%
2000s 1215 61% 10% 9% 10%
2010s 1569 54% 16% 11% 8%
2020s 1560 54% 20% 12% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Re1 54% 54% ▲ +0.5%
6.c3 16% 20% ▲ +3.7%
6.Bxc6+ 11% 12% ▲ +1.3%
6.d4 8% 5% ▼ -3.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Karpov, Anatoly — 5 parties
Anand, Viswanathan — 3 parties
Hou, Yifan — 3 parties
Gukesh D — 3 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
6.Re1 — 53.8% (3050 parties)
1950 — Keres, Paul Petrovich vs Szabo, Laszlo — 1/2-1/2 — Szcawno Zdroj
1951 — Stefanski, Karol vs Welter, J. — 1-0 — Poznan POL
1951 — Skold, Kristian vs Pedersen, Eigil — 1-0 — Marianske Lazne zt
1951 — Kerr, W D vs Kearney, G A — 1-0 — Belfast IRL
1951 — Pfeiffer, Gerhard vs Bogoljubow, Efim — 1/2-1/2 — Augsburg GER
6.c3 — 16.7% (948 parties)
1950 — Kieninger, Georg vs Bogoljubow, Efim — 1/2-1/2 — Schwelm
1950 — Batchinsky, Basile vs Leepin, Peter — 0-1 — Lucerne SUI
1951 — De Moura, Abner Menezes vs Prins, Arie — 0-1 — Bad Pyrmont GER
1951 — De Moura, Joao Guilherme vs Prins, Lodewijk — 0-1 — ?
1951 — Malich, Burkhard, Dr. vs Achatz, Karl Hans — 0-1 — Leipzig GER
6.Bxc6+ — 12.6% (716 parties)
1950 — Kieninger, Georg vs Bogoljubow, Efim — 1/2-1/2 — FRG-ch Bad Pyrmont GER
1950 — Suetin, Alexey S vs Konstantinopolsky, Alexander — 0-1 — Moskou ch-URS
1951 — Barde Pratham vs Aton, Irwin — 1-0 — Vancouver
1951 — Horowitz, Albert Israel vs Eken, Max — 1/2-1/2 — New York, NY USA
1951 — Platz, Joseph vs Moskowitz, Jack — 1-0 — New York, NY USA
6.d4 — 7.5% (426 parties)
1950 — Ronean, J. vs Sutkaitis, Stan — 1-0 — Edmonton CAN
1950 — Boey, Josef vs Limbourg, Remi — 1/2-1/2 — Antwerp BEL
1951 — Bogoljubow, Efim vs Kieninger, Georg — 1-0 — Augsburg GER
1952 — Filipov, Filip vs Tsvetkov, Alexandar K — 0-1 — Sofia BUL
1954 — Schuster, Theodor vs Herter, Eberhard — 1-0 — Stuttgart GER