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Subject: Re: Junior's long lines: more data about this....

Author: Thorsten Czub

Date: 04:24:19 12/25/97

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>Holding the hash table over from the previous, and then prinitng the
>line by walking the hash table ? Gets a build up of depth to the lines
>from the previous searches ...... ?
>
>Chris Whittington

Whatever it is, it is new or different.
The only programs I have ever seen this behaviour were Genius,
Spracklan'programs and now junior.
Here is a pgn game that shows how deep junior comes !!!
Check it with your programs...

Moritz outplayed the game...

[Event "Level=180'/60+180'/60+180'. "]
[Site "Bonn"]
[Date "1997.??.??"]
[Round "?"]
[White "Fritz 5.00 P233MMX"]
[Black "Junior 4.6 P233MMX engine"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "122"]
[EventDate "1997.??.??"]

{W=12.4 ply, B=15.7ply} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3
Bxc3+ 6.
bxc3 Ne7 7. Nf3 Qa5 8. Bd2 Nbc6 {Beide aus dem Buch} 9. c4 Qc7 10. c3
dxc4 {
(0-0) -0.04/16 254} 11. Qa4 cxd4 {(0-0) -0.13/15 263} 12. cxd4 Nf5 {
(Dd7) -0.12/15 180} 13. Qxc4 O-O {(Db6) -0.06/15 249} 14. Bd3 {(g4)
0.56/11 114
} 14... Qd8 15. Bc3 {(Lxf5) 0.38/11 202} 15... Nce7 {(Sh4) 0.18/16 516}
16. Bb4
{(g4) 0.31/12 214} 16... a5 {(Te8) 0.15/15 233} 17. Bxe7 Nxe7 18. Qc2 {
(Le4) 0.38/12 116} 18... h6 19. Bh7+ {(Le4) 0.19/13 217} 19... Kh8 20.
Be4 {
(Tc1) -0.13/12 209} 20... Rb8 21. Rc1 {(Tb1) -0.31/12 217} 21... b5 22.
Qc7 Bd7
{(La6) -0.10/15 171} 23. O-O {(Tc5) -0.19/12 219} 23... Qxc7 {(b4)
0.02/15 174}
24. Rxc7 Rfd8 25. h3 {(Tc5) 0.25/11 132} 25... b4 26. axb4 axb4 27. Rb1
{
(Sd2) 0.03/12 230} 27... Nd5 28. Bxd5 exd5 29. Rb2 {(Sd2) 0.06/12 231}
29...
Kg8 {(b3) -0.35/17 224} 30. Ne1 Bf5 31. g4 Bg6 32. f4 {(Sg2) 0.13/12
234} 32...
Be4 33. Kf2 {(Sc2) 0.06/12 234} 33... Rb6 {(Tb5) -0.18/17 294} 34. Nc2
b3 {
(Lxc2) -0.47/16 198} 35. Na1 Ra8 36. e6 fxe6 {(Txe6) -1.04/14 123} 37.
Rxb3
Ra2+ 38. Kg3 g5 {(Txb3+) -1.19/16 341} 39. fxg5 Rxb3+ {(hxg5) -1.21/16
208} 40.
Nxb3 hxg5 41. h4 {(Tc8+) -1.50/15 236} 41... Ra3 42. Rc3 e5 43. Kf2 {
(Kh2) -1.50/13 165} 43... exd4 44. Rc8+ Kf7 45. Nxd4 gxh4 46. Rh8 Rd3
47. Nc6 {
(Sf5) -1.56/12 230} 47... Rf3+ 48. Ke2 {(Ke1) -1.56/12 268} 48... h3 {
(Tc3) -2.12/14 244} 49. Nd4 Rd3 {(Tg3) -2.13/15 198} 50. Nc6 {
(Sf5) -2.06/12 269} 50... Rg3 51. Nd8+ {(Kf1) -2.66/10 193} 51... Kf6
52. g5+
Kxg5 53. Ne6+ Kf5 54. Nc5 {(Sd4+) -3.03/11 267} 54... Rc3 55. Nxe4 dxe4
56. Kf2
Rf3+ 57. Ke2 {(Kg1) -3.22/15 288} 57... Kf4 {(Tb3) -3.79/20 215} 58.
Rf8+ Kg3
59. Rg8+ Kh2 60. Rg4 {(Tg5) -5.13/17 191} 60... Rg3 61. Rxe4 {
(Tf4) -5.34/17 130} 61... Kg2 {adjud. -5.85/22 155} 0-1

[Event "Level=180'/60+180'/60+180'. "]
[Site "Bonn"]
[Date "1997.??.??"]
[Round "?"]
[White "Junior 4.6 P233MMX engine"]
[Black "Fritz 5.00 P233MMX"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "120"]
[EventDate "1997.??.??"]

{W=16.9 ply, B=11.3ply} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3
Bxc3+ 6.
bxc3 Ne7 7. Nf3 Qa5 8. Bd2 Nbc6 {Beide aus dem Buch} 9. Be2 O-O 10. O-O
Nf5 11.
c4 {(Db1) 0.03/16 565} 11... Qa4 {(Dd8) 0.00/12 116} 12. cxd5 exd5 {
(Scxd4) 0.00/12 64} 13. dxc5 Nfd4 14. Nxd4 Qxd4 15. Re1 {(Tb1) 0.01/14
165}
15... Re8 16. Rb1 {(Ld3) 0.03/14 258} 16... Rxe5 17. Be3 Qxd1 18. Rbxd1
Bf5 19.
c4 {(c3) 0.03/14 120} 19... dxc4 20. Bxc4 Rae8 21. Be2 {(Kf1) 0.05/15
131}
21... h6 {(g5) -0.16/10 113} 22. Rd6 Be4 {(T8e7) -0.03/10 137} 23. Bb5
a6 {
(T5e6) 0.06/10 122} 24. Ba4 Bd5 {(f6) 0.22/10 119} 25. Rd1 Be4 26. f4 {
(T1d2) 0.24/15 241} 26... R5e7 27. Bd2 {(Td7) 0.24/15 181} 27... f6 {
(h5) 0.22/11 234} 28. Bc3 Kf7 {(h5) 0.13/11 234} 29. f5 {(h3) 0.31/15
248}
29... Bxf5 {(h5) -0.19/11 138} 30. Bxc6 bxc6 31. Rxc6 Re3 {(Te2)
-0.28/11 219}
32. Bb4 a5 33. Bxa5 Rxa3 34. Rc7+ Kg6 {(Kg8) -0.66/12 187} 35. Re1 Be4 {
(Txe1+) -0.88/13 246} 36. Bd2 Ra2 37. Re2 Rd8 {(Te5) -0.47/12 246} 38.
Rxe4 {
(Te7) -0.31/16 143} 38... Rdxd2 39. Rg4+ Kh5 40. h3 g5 41. Rf7 {
(Tg3) -1.76/16 249} 41... Kg6 42. Re7 {(Tf8) -2.22/16 566} 42... f5 43.
Rc4 {
(Tb4) -2.46/16 217} 43... Rxg2+ {(f4) -3.63/11 45} 44. Kh1 f4 {
(Th2+) -4.44/11 49} 45. Re6+ {(Tc3) -5.81/16 818} 45... Kh5 {(Kf5)
-6.38/12 68}
46. Rf6 Rg3 47. Rfxf4 {(Tcxf4) -6.71/16 748} 47... Rxh3+ 48. Kg1 gxf4 {
(Tg3+) -7.09/13 79} 49. Rxf4 Rhh2 {(Tg3+) -7.41/13 143} 50. Ra4 Rag2+ {
(Txa4) -8.00/15 81} 51. Kf1 Rc2 {(Tf2+) -11.66/15 144} 52. Kg1 Rhd2 {
(Thg2+) -#11/14 77} 53. Ra1 Rg2+ 54. Kh1 {(Kf1) -7.21/17 188} 54... Kh4
{

The number behind the evaluation of white gives the search depth,
however this is defined.
So fritz/junior relation is {W=12.4 ply, B=15.7ply} !!!!
and in the second game {W=16.9 ply, B=11.3ply} !!!
Of course if you always compute 4-5 plies deeper than your opponent, you
can win a championship. :-)

I hope this data gives you some inspirations !!



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