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deep and sound
Compiled by computer chess guy
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Many games, even at Grandmaster level, are decided by shallow tactics - a fairly simple move the opponent overlooked. But occasionally we see something more profound - a "deep" move that requires great foresight or intuition to play. And it is even more impressive if after close post-game examination it is sound in all variations. These games have "deep and sound" sacrifices or other key moves.

30. Bxh6!
Bologan vs Kasimdzhanov, 2002 
(C42) Petrov Defense, 41 moves, 1-0

21. Nd5!!
M Breutigam vs K Bischoff, 2002
(E30) Nimzo-Indian, Leningrad, 24 moves, 1-0

25. Rxd5!
Gulko vs A Saidy, 1987 
(E08) Catalan, Closed, 28 moves, 1-0

23. Bf6!!
Alekhine vs K Sterk, 1921 
(D37) Queen's Gambit Declined, 30 moves, 1-0

15. Nxe7!
Stein vs Pelikan, 1966 
(B35) Sicilian, Accelerated Fianchetto, Modern Variation with Bc4, 21 moves, 1-0

18. Nf6+!
Kupreichik vs A Babev, 1969 
(B47) Sicilian, Taimanov (Bastrikov) Variation, 25 moves, 1-0

29. Rd6!
L Vogt vs W Schmidt, 1985
(B81) Sicilian, Scheveningen, Keres Attack, 33 moves, 1-0

25. Nxg6!
Spassky vs Beliavsky, 1988 
(C77) Ruy Lopez, 41 moves, 1-0

21. Bc8!
Szabo vs C Kottnauer, 1950 
(D47) Queen's Gambit Declined Semi-Slav, 41 moves, 1-0

21. Nd5!
Ivanchuk vs Van Wely, 2006 
(B80) Sicilian, Scheveningen, 29 moves, 1-0

24. Nxf6!
D Gutsche vs S L Jones, 2000 
(C42) Petrov Defense, 28 moves, 1-0

Nxg2!
Polugaevsky vs G Borisenko, 1954 
(E98) King's Indian, Orthodox, Taimanov, 9.Ne1, 42 moves, 0-1

17. .. Rxf2!
Nunn vs I Nataf, 1999 
(B32) Sicilian, 28 moves, 0-1

15. Rxf7! (Nolot Test suite #10)
Van der Wiel vs Ribli, 1980 
(B93) Sicilian, Najdorf, 6.f4, 29 moves, 1-0

12. Bxh7!
P Bobras vs E Can, 2007 
(C18) French, Winawer, 19 moves, 1-0

50. Qxg8!
B Gurgenidze vs A Khasin, 1957 
(A07) King's Indian Attack, 80 moves, 1-0

Rxf6!!
Glek vs C Lingnau, 1992 
(B90) Sicilian, Najdorf, 27 moves, 1-0

11. Bxb5!
B Amin vs I H Labib, 2001 
(C40) King's Knight Opening, 46 moves, 1-0

21. Bd8!!
A Volokitin vs Mamedyarov, 2012 
(B94) Sicilian, Najdorf, 34 moves, 1-0

24. Rxg7+!!
G Vescovi vs S Gschwendtner, 1994 
(B53) Sicilian, 31 moves, 1-0

19. Bxh7! quite difficult for computers
L Trent vs P Deslandes, 2008 
(C05) French, Tarrasch, 25 moves, 1-0

44. Rxf6!
F Olafsson vs Unzicker, 1970 
(D41) Queen's Gambit Declined, Semi-Tarrasch, 47 moves, 1-0

23. Nxh6+!
Anand vs Topalov, 2010 
(E04) Catalan, Open, 5.Nf3, 32 moves, 1-0

23 games

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