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Subject: Junoir 6 or Hand of God ? (Xie - Junior)

Author: Vincent Lejeune

Date: 17:38:44 03/13/00

[D]1r6/2p2pk1/6p1/2QpP1q1/P2P4/5R2/5PP1/6K1 w - - 0 1


In this position Junior 6 played 42. Qc2!! all other programs that i've tested
(Crafty 17.07, Hiarcs 7.32, Fritz6 light 3 min on a celeron 450) evaluate Rxf7+
two pawns above Qc2, but 42. Rxf7+ Kxf7 43. Qxc7+ Ke6 44. Qxb8 seems to be a
very deep forced draw (see line in game below)

So, how Junior 6 can see this repetition draw :

- Evaluation (queen against a king in open lines) ?
- Full check extension (each check extend one ply, too big tree explosion in my
sens) ?
- Reduced check extension (one check extend some plies,but this is 32 plies deep
!) ?

Can someone test this position in junior 6 and give analysis please ?
This would help to understand the mechanism to find 42. Qc2!!

There's the game with the drawing line :

[Event "ICS Rated standard match"]
[Site "192.168.0.2"]
[Date "2000.03.12"]
[Round "?"]
[White "Deep Junior"]
[Black "Xie Jun"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2666"]
[BlackElo "2647"]
[Annotator "DRAW ???"]
[PlyCount "99"]
[EventDate "2000.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 a5 10. d4 a4 11. Bc2 exd4 12. Nxd4 Nxd4 13. cxd4 d5 14. e5 Ne4 15.
Qe2 Rb8 16. Nc3 Nxc3 17. bxc3 Bd7 18. Qd3 g6 19. Qf3 Be6 20. Bh6 Re8 21. Qf4
Rb6 22. Re3 Qd7 23. Bd1 b4 24. cxb4 Rxb4 25. a3 Rb2 26. Rc3 Reb8 27. Rac1 R8b7
28. h4 Rb1 29. h5 Rxc1 30. Qxc1 Bf5 31. Bc2 Bxc2 32. Qxc2 Qg4 33. Qxa4 Rb1+ 34.
Kh2 Rb8 35. Qa7 Rc8 36. hxg6 hxg6 37. a4 Bf8 38. Bxf8 Kxf8 39. Rf3 Kg7 40. Kg1
Qg5 41. Qc5 Rb8 42. Qc2 (42. Rxf7+ Kxf7 43. Qxc7+ Ke6 44. Qxb8 Qc1+ 45. Kh2
Qf4+ 46. Kh3 Qh6+ 47. Kg3 Qg5+ 48. Kf3 Qf5+ 49. Ke3 Qe4+ 50. Kd2 Qxd4+ 51. Ke2
Qc4+ 52. Ke3 Qe4+ 53. Kd2 Qf4+ 54. Ke2 Qc4+ 55. Ke3 Qe4+ 56. Kd2 Qf4+ 57. Kd3
Qc4+ 58. Kd2 Qf4+) 42... Rb4 43. e6 Rc4 44. Rxf7+ Kg8 45. Qb3 Qc1+ 46. Kh2 Qh6+
47. Kg3 Qg5+ 48. Kf3 Qh5+ 49. Ke3 Qg5+ 50. Kd3 (50. Kd3 Qd8 51. e7 Qe8 52. Rf8+
Qxf8 53. exf8=Q+ Kxf8 54. a5) 1-0

• Re: Junoir 6 or Hand of God ? (Xie - Junior) Robert Hyatt 06:04:35 03/14/00
• Re: Junoir 6 Evaluation Fabio Leone 01:24:54 03/14/00
  • LG2000 is again the best: 0,93s for Qc2! Jouni Uski 02:05:03 03/14/00
    • Re: LG2000 is again the best: 0,93s for Qc2! Jeremiah Penery 21:12:26 03/14/00
      • Re: LG2000 is again the best: 0,93s for Qc2! Jouni Uski 22:04:11 03/14/00
    • Re: LG2000 is again the best: 0,93s for Qc2! James Robertson 09:31:50 03/14/00
    • Re: LG2000 is again the best: 0,93s for Qc2! Robert Hyatt 06:05:50 03/14/00
• Re: Junoir 6 or Hand of God ? (Xie - Junior) Bernhard Bauer 23:56:36 03/13/00
• Re: Fritz6a has no trouble finding Qc2!! Mark Young 19:02:25 03/13/00
• Re: Junoir 6 or Hand of God ? (Xie - Junior) Paul 18:51:48 03/13/00

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