Monday, June 19, 2017

A Kaprekar number

I have pruned the tree of scenarios drastically, and added the initiative as branch.


  1. Here's a sick tactic from a 17yr old beating a GM in 2014. I guess you could put this one under initiative.,%20Khachiyan.2037602.127248128.28551

    The tactic starts with Black's 22nd move.

    1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Qe1 O-O 8. Nxe5 Qd4 9. Nf3 Qa4 10. e5 Nd5 11. b3 Qg4 12. d3 Qg6 13. Kh1 Bg4 14. Ng1 f6 15. f3 Bf5 16. Ba3 Rae8 17. Qg3 Qh6 18. Bc1 Qh5 19. Bb2 Ne3 20. Rc1 fxe5 21. Bxe5 Bf6 22. f4 Rxe5 23. fxe5 Bxe5 24. Qxe5 Ng4 0-1

  2. I'll confess: I had not previously learned of the idea, so I looked it up. What is the actual Kaprekar number in this context, and how did you arrive at that number?