Viktor Korchnoi Plays His Worst Game Ever

Spanish chess player Ricardo Calvo who was not even an IM at the time crushes top Soviet GM Viktor Korchnoi!
In the end of the video as usual you can solve the daily puzzle!
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Ricardo Calvo vs Viktor Korchnoi
Havana Olympiad qual-1 (1966), Havana CUB, rd 7, Nov-03
Sicilian Defense: Kan. Polugaevsky Variation (B42)
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7
7. c4 Nc6 8. O-O Qh4 9. N1d2 Nge7 10. c5 Ne5 11. Be2 b6 12. f4
N5c6 13. Nc4 bxc5 14. g3 Qh6 15. f5 Qf6 16. fxe6 Qxe6 17. Nd6+
Kf8 18. Bc4
1-0
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Video Thumbnail Credits:
https://commons.wikimedia.org/wiki/Fi...
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#chess #viktorkorchnoi