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[pgn] [Event "40/120"] [Site "SCW"] [Date "2018.10.28"] [Round "1"] [White "CXG Sphinx 40"] [Black "Gandalf 2.1 Medion E1210"] [ECO "E59"] [Result "0-1"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Ba2 e5 12. Qc2 Bg4 13. dxe5 Nxe5 14. Ne1 b5 15. f3 Be6 16. Bxe6 fxe6 17. Nd3 Nxd3 18. Qxd3 c4 19. Qb1 Qe5 20. Ra2 Rad8 21. a4 Ng4 22. fxg4 Rxf1+ 23. Kxf1 Qxh2 24. axb5 Qh1+ 25. Kf2 Rf8+ 26. Kg3 Qe1+ 27. Kh3 g5 28. Kh2 Rf1 29. Qxh7+ Kxh7 30. Rxa7+ Kg6 31. Rg7+ Kxg7 32. g3 Qf2+ 33. Kh3 Rh1# 0-1 [/pgn]

21...Ng4!!

later mate announcement mate in 13 or arround.

gandalf 2.1 is a dos program , was running on my medion netbook with atom cpu.
it is said: sphinx40 seems to be a b strategy program . gandalf 2.1 was 1 ply brute force + extensions.

Nice game

But, after 24. Qe4 i hope, is draw.
For eg. 24.Qe4 Qh1+ 25.Kf2 Rf8+ 26.Kg3 Qe1+ 27.Kh3 Qh1+

very interesting chess by gandalf2.1

[pgn] [Event "40/120"] [Site "SCW"] [Date "2018.10.29"] [Round "1"] [White "Gandalf 2.1 Medion E1210"] [Black "Corona D+"] [ECO "D58"] [Result "1-0"] 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 h6 6. Bh4 O-O 7. e3 b6 8. Bd3 c5 9. dxc5 bxc5 10. cxd5 exd5 11. Qb1 Nc6 12. O-O Bg4 13. Nd2 d4 14. Bxf6 Bxf6 15. Nce4 Be7 16. Re1 f5 17. Ng3 f4 18. exf4 Rxf4 19. Be4 Rc8 20. h3 Bd7 21. Nh5 Rf8 22. Bd5+ Kh8 23. Qg6 Bf6 24. Be4 Bf5 25. Bxf5 Kg8 26. Qh7+ Kf7 27. Bg6# 1-0 [/pgn]