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Up Topic The Rybka Lounge / Correspondence Chess / Deleted Vs. Vytron (DPA Vs. IA) 1/2 - 1/2
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Parent - By Uly (Gold) [mx] Date 2009-08-02 13:53
Ah, that would make more sense, 7:08.50 being 7:08:50; the output was really confusing, thanks.
Parent - By Uly (Gold) [mx] Date 2009-08-01 07:36
The irony, this keeps happening every time I complain about time usage...

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3 Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5 Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6 19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7

4r1k1/pq2bpp1/1pp1rn1p/2Pp1p2/1P1P1P2/P3PB2/2R3PP/2QNR1K1 w - -


  9.00   0:01   -0.26   24...g5 25.g3 Bg7 26.Rce2 bxc5 27.Qxc5 Qa6 (157.478) 133
10.00   0:01   -0.29   24...g5 25.g3 bxc5 26.bxc5 Bg7 27.Rb2 Qa6 28.Qc3 (223.349) 135
11.00   0:02   -0.27   24...g5 25.g3 bxc5 26.bxc5 Bg7 27.Rb2 Qe7 28.fxg5 hxg5 29.Qb1 Nd7 (308.224) 134
12.01   0:03   -0.24   24...g5 25.g3 bxc5 26.bxc5 Bg7 27.Rb2 Qc7 28.Qc3 Qe7 29.fxg5 hxg5 30.Rf1 (518.590) 134
13.01   0:07   -0.26   24...g5 25.g3 Bg7 26.Nf2 bxc5 27.bxc5 gxf4 28.gxf4 (1.032.913) 135
14.01   0:10   -0.26   24...g5 25.g3 Bg7 26.Nf2 bxc5 27.bxc5 Qb3 28.Rc3 Qa4 29.Nd3 Ne4 30.Rc2 (1.432.566) 136
15.01   0:21   -0.19   24...g5 25.g3 Bg7 26.Nf2 bxc5 27.bxc5 Qb3 28.Rc3 Qa4 29.Bd1 Qa5 30.Qd2 gxf4 31.gxf4 Nd7 32.Re2 (2.885.050) 137
15.23   1:11   -0.24   24...Be7 25.g3 g6 26.Nf2 bxc5 27.bxc5 Qa6 28.Rc3 Rb8 29.Qc2 Bd8 30.Rb3 Qa4 (9.720.874) 139
16.01   1:34   -0.22   24...Be7 25.g3 Bd8 26.Ree2 b5 27.Re1 h5 28.Rg2 a5 29.Qc2 g6 30.Rge2 (13.196.224) 143
17.01   3:39   -0.19   24...Be7 25.Ree2 Bd8 26.g3 b5 27.Re1 a5 28.Nf2 Bc7 29.Rce2 Qa7 30.Qc3 axb4 31.axb4 Ra8 (29.994.120) 139
17.05   4:30   -0.20   24...bxc5 25.bxc5 Qa6 (36.579.675) 138
18.01   5:28   -0.20   24...bxc5 25.bxc5 Qa6 26.Qd2 Be7 27.Be2 Qxa3 28.Nc3 Qa5 29.Ra2 Qc7 30.Rea1 Ra8 31.Ra6 g6 32.Nd1 Ne4 (45.374.472) 141
19.01   6:51   -0.20   24...bxc5 25.bxc5 g5 26.g3 Bg7 27.Nf2 Qb3 28.Rc3 Qa4 29.Qd2 Qa5 30.Rd1 R6e7 31.Re1 gxf4 (58.316.094) 145
20.01   9:51   -0.19   24...bxc5 25.bxc5 g5 26.g3 Bg7 27.Nf2 Qb3 28.Rc3 Qa4 29.Qd2 Rb8 30.Bd1 Qa5 31.Bc2 gxf4 32.gxf4 Ne4 33.Nxe4 fxe4 (82.877.632) 143
21.01  19:13   -0.24   24...bxc5 25.bxc5 g5 26.g3 Bg7 27.Nf2 Qb3 28.Rc3 Qa4 29.Qd2 Rb8 30.Bd1 Qa5 31.Rd3 Qxd2 32.Rxd2 Rbe8 33.fxg5 hxg5 34.Rde2 (164.069.068) 145
22.01  32:33   -0.14   24...bxc5 25.bxc5 g5 26.g3 Bg7 27.Nf2 Qb3 28.Rc3 Qa4 29.Qd2 Rb8 30.Bd1 Qa5 31.Rd3 Qxd2 32.Rxd2 Rbe8 33.fxg5 hxg5 34.Rde2 Bh8 (280.892.174) 147
22.02  128:24   -0.15   24...Be7 25.Ree2 Bd8 26.g3 bxc5 27.bxc5 Qa6 28.Rb2 (1.187.688.768) 157
best move: Bf8-e7 time: 131:26.282 min  n/s: 157.439  nodes: 1.212.486.451

2:11:26 - 1:04:53 scale = 1:06:33
2:30:35 bank - 1:06:33  = 1:24:02 remaining bank

Getting clear that IA hasn't been better than DPA.
Parent - By Banned for Life (Gold) Date 2009-08-02 19:17
The last move was totally unanticipated, so I knew the analysis would run long. I decided to use the move after 30 minutes, but allow the analysis to finish. The move did not change (two of the four root moves were analyzed in the first 30 minutes and the first move analyzed was the best scoring move).

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3
Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5
Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6
19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7 25. Nf2

Move after 30 minutes: 25. Nf2
Total time required to analyze 4-3-3-2 at depth 16:  84 minutes

{2048MB, vytron.ctg, ATS-PENRYN} 1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3
Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5
Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6
19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7 25. Nf2
(25. cxb6 axb6 (25... Qxb6 26. Nf2 (26. Nb2 a5 (26... Bf8 27. Nd3 $11 {
[%eval -7,16]}) 27. Nd3 $11 {[%eval -12,16]}) (26. Nc3 Bd6 (26... Qa6 27. Be2
$11 {[%eval -25,16]}) 27. g3 $15 {[%eval -27,16]}) 26... a5 (26... Bf8 27. Qd2
$11 {[%eval -2,16]}) 27. Nd3 $11 {[%eval -12,16]}) 26. Nf2 (26. g3 Ne4 (26...
Bf8 27. Nf2 $11 {[%eval -20,16]}) 27. Nc3 $15 {[%eval -27,16]}) (26. Ree2 Ne4 (
26... Rc8 27. Nf2 $11 {[%eval -25,16]}) 27. Nf2 $15 {[%eval -37,16]}) 26... Qa6
(26... Ne4 27. Nxe4 $11 {[%eval -7,16]}) 27. Rc3 $11 {[%eval -15,16]}) (25.
Ree2 Bd8 (25... Ne4 26. g3 (26. Bxe4 fxe4 (26... dxe4 27. Nc3 $11 {
[%eval -9,16]}) 27. Nc3 $11 {[%eval -18,16]}) (26. Rb2 Qa6 (26... g6 27. Nf2
$11 {[%eval -18,16]}) 27. Nc3 $11 {[%eval -18,16]}) 26... Bf6 (26... Bf8 27.
Nf2 $11 {[%eval -12,16]}) 27. Nf2 $11 {[%eval -14,16]}) (25... g6 26. cxb6 (26.
g3 Kg7 (26... Rc8 27. Nf2 $11 {[%eval -15,16]}) 27. Nf2 $11 {[%eval -18,16]}) (
26. Nf2 bxc5 (26... Ne4 27. Nd3 $11 {[%eval -2,16]}) 27. bxc5 $11 {
[%eval -15,16]}) 26... Qxb6 (26... axb6 27. Nf2 $11 {[%eval -11,16]}) 27. Nf2
$11 {[%eval -13,16]}) 26. g3 (26. Rc3 Ne4 (26... a5 27. b5 $11 {[%eval -24,16]}
) 27. Rd3 $15 {[%eval -29,16]}) (26. b5 Be7 (26... cxb5 27. c6 $11 {
[%eval -10,16]}) 27. bxc6 $11 {[%eval -21,16]}) 26... Ne4 (26... bxc5 27. bxc5
$11 {[%eval -15,16]}) 27. Rb2 $11 {[%eval -17,16]}) (25. Qd2 Qa6 (25... Bd8 26.
cxb6 (26. Qd3 g6 (26... Ne4 27. Bxe4 $11 {[%eval -9,16]}) 27. Rce2 $11 {
[%eval -21,16]}) (26. Re2 g6 (26... Qa6 27. Qc1 $11 {[%eval -15,16]}) 27. Qd3
$11 {[%eval -22,16]}) 26... axb6 (26... Bxb6 27. Qd3 $11 {[%eval -14,16]}) 27.
Qd3 $11 {[%eval -20,16]}) (25... Ne4 26. Bxe4 (26. Qd3 Bf6 (26... bxc5 27. bxc5
$11 {[%eval -16,16]}) 27. Rc1 $11 {[%eval -23,16]}) (26. Qe2 Bf6 (26... g6 27.
Qd3 $15 {[%eval -29,16]}) 27. Qd3 $15 {[%eval -29,16]}) 26... Rxe4 (26... fxe4
27. Nc3 $11 {[%eval -10,16]}) 27. Nf2 $11 {[%eval -20,16]}) 26. Ra2 (26. Re2 g6
(26... Bf8 27. Nf2 $11 {[%eval -21,16]}) 27. Qc3 $15 {[%eval -26,16]}) (26. Rb2
Bd8 (26... bxc5 27. bxc5 $11 {[%eval -22,16]}) 27. Re2 $15 {[%eval -26,16]})
26... Ne4 (26... bxc5 27. bxc5 $11 {[%eval -22,16]}) 27. Bxe4 $11 {
[%eval -22,16]}) 25... bxc5 (25... Qa6 26. Be2 (26. cxb6 axb6 (26... Qxb6 27.
Qd2 $11 {[%eval 0,16]}) 27. Rc3 $11 {[%eval -15,16]}) (26. Rc3 bxc5 (26... Bf8
27. Nd3 $11 {[%eval -2,16]}) 27. bxc5 $11 {[%eval -24,16]}) 26... Qa4 (26...
Qb7 27. Nd3 $11 {[%eval 0,16]}) 27. Nd3 $11 {[%eval -5,16]}) (25... b5 26. Nd3
(26. Rb2 g6 (26... h5 27. Nd3 $11 {[%eval -8,16]}) 27. Nd3 $11 {[%eval -8,16]})
(26. Ra2 a5 (26... Bd8 27. Nd3 $11 {[%eval -4,16]}) 27. Nd3 $11 {[%eval -5,16]}
) 26... a5 (26... Bd8 27. Ne5 $11 {[%eval 3,16]}) 27. Ne5 $11 {[%eval 0,16]})
26. bxc5 Qa6 (26... Qb5 27. Be2 $11 {[%eval -11,16]}) 27. Be2 $11 {
[%eval -11,16]} *
Parent - - By Banned for Life (Gold) Date 2009-08-04 05:00
I have been called out to New York on very short notice. I won't be back in the office until Friday...
Parent - By Uly (Gold) [mx] Date 2009-08-04 05:13
Ok, have a nice trip.
- By Uly (Gold) [mx] Date 2009-08-07 07:06
Last minute changes of move choice does happen, but it's unclear if the new chosen move is better...

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3 Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5 Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6 19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7 25. Nf2 bxc5

4r1k1/pq2bpp1/2p1rn1p/2pp1p2/1P1P1P2/P3PB2/2R2NPP/2Q1R1K1 w - -


13.01   0:02   -0.22   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Rc3 Qa4 30.Qd2 Bd8 (270.760) 134
14.01   0:03   -0.19   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Rc3 Qc7 30.Qd2 Qb7 31.Nd3 (456.464) 132
15.01   0:08   -0.14   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Nd3 Rb3 30.Ne5 Bd8 31.Ra2 Bc7 32.Ree2 Ne4 (1.027.970) 131
16.01   0:19   -0.12   25...bxc5 26.bxc5 Qb5 27.Rb2 Qa6 28.Rb3 Bd8 29.Be2 Qa5 30.Bd3 g6 31.Bf1 Bc7 32.Nd3 (2.456.296) 129
17.01   0:36   -0.13   25...bxc5 26.bxc5 Qb5 27.Rb2 Qa6 28.Rb3 Bd8 29.g3 Bc7 30.Kg2 Qa4 31.Rb4 Qa5 32.Rb3 Qa6 33.Kg1 (4.528.729) 126
18.01   0:57   -0.12   25...bxc5 26.bxc5 Qb5 27.Rb2 Qa6 28.Rb3 Bd8 29.g3 Bc7 30.Kg2 Qa4 31.Rb4 Qa5 32.Rb3 Qa6 33.Re2 (7.232.599) 129
19.01   1:46   -0.16   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Nd3 Rb8 29.Ne5 Rb3 30.Bf3 g6 31.Ra2 Ne4 32.Bxe4 fxe4 33.Ng4 Kg7 34.Rf1 f5 (14.801.981) 142
20.01   2:41   -0.16   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Nd3 Rb8 29.Ne5 Rb3 30.Bf3 g6 31.Ra2 Ne4 32.Bxe4 fxe4 33.Ng4 Kg7 34.Rf1 f5 (22.652.746) 143
21.01   4:36   -0.16   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Nd3 Rb8 29.Ne5 Rb3 30.Bf3 g6 31.Ra2 Ne4 32.Bxe4 fxe4 33.Ra1 Bf6 34.Qc2 Rxa3 (38.712.517) 143
22.01  10:13   -0.12   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Nd3 Rb8 29.Ne5 Rb3 30.Bf3 g5 31.h3 Bd8 32.Ra2 Bc7 33.Rf1 gxf4 34.exf4 Ne4 35.Bh5 Bxe5 36.fxe5 Qa4 (85.628.032) 142
23.01  22:15   -0.12   25...bxc5 26.bxc5 Qa6 27.Be2 Qa5 28.Nd3 h5 29.Ne5 Ng4 30.Bxg4 hxg4 31.Rb2 Bd8 32.Rb8 f6 33.Nd3 Bc7 34.Rb7 g6 35.Rb1 Qa4 (194.001.430) 148
best move: b6xc5 time: 30:03.297 min  n/s: 144.671  nodes: 254.763.008

30:03 - 46:20 scale   = -16:17
1:24:02 bank - -16:17 = 1:40:19 remaining bank
- - By Banned for Life (Gold) Date 2009-08-09 03:41
Time consumed for this move: 6 minutes

Very fast because only one move was considered at the root.

26. bxc5

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3
Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5
Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6
19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7 25. Nf2
bxc5 26. bxc5

{2048MB, vytron.ctg, ATS-PENRYN} 1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3
Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5
Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6
19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7 25. Nf2
bxc5 26. bxc5 Qa6 (26... Qb3 27. Rc3 (27. Ree2 Bd8 (27... Qb5 28. Rc3 $11 {
[%eval -9,16]}) 28. Rc3 $11 {[%eval -17,16]}) (27. Bd1 Bd8 (27... Qb5 28. Rb2
$11 {[%eval -9,16]}) 28. Rc3 $11 {[%eval -20,16]}) 27... Qa4 (27... Qb5 28. Re2
$11 {[%eval -9,16]}) 28. Bd1 $11 {[%eval -14,16]}) (26... Qb5 27. Rb2 (27. g3
h5 (27... Qa6 28. Ree2 $11 {[%eval -14,16]}) 28. Rb2 $11 {[%eval -18,16]}) (27.
Be2 Qa5 (27... Qb3 28. Rc3 $11 {[%eval -14,16]}) 28. Nd3 $11 {[%eval -15,16]})
27... Qa6 (27... Qa5 28. Nd3 $11 {[%eval 8,16]}) 28. Rb3 $11 {[%eval -11,16]})
27. Be2 (27. Rc3 Bd8 (27... g6 28. Rb3 $11 {[%eval -16,16]}) 28. Rb3 $11 {
[%eval -21,16]}) (27. Qd2 Bd8 (27... g5 28. fxg5 $11 {[%eval -8,16]}) 28. Nd3
$15 {[%eval -32,16]}) 27... Qa5 (27... Qa4 28. Nd3 $11 {[%eval -5,16]}) 28. Nd3
$11 {[%eval -15,16]} *
Parent - - By titanium cranium (***) [us] Date 2009-08-09 22:24
It's a draw, which, reflecting back on the inception of this contest, is a win for DPA. Right?
Parent - - By Uly (Gold) [mx] Date 2009-08-10 04:07
More like a loss to IA, as in, if you're not going to interact with the position, using IA is as ineffective as using DPA. It certainly surprised me, but please note that I used less time than DPA to reach similar results (due to my own fault.)

If Banned for Life agrees we could call this a draw and begin a new game, this time he can manage his time like he did on this game, while I'm restricted to 5/min move. It's interesting because I'd be using 1/9 of the time on this game, so DPA could win, we'd be basically emulating a overnight analysis against normal analysis on weaker hardware. The one additional depth equals 50 elo points theory might not seem to hold.
Parent - By titanium cranium (***) [us] Date 2009-08-10 21:26
A new game as you propose makes sense.

I now use both IIA and DPA to compliment each other.
Parent - - By Banned for Life (Gold) Date 2009-08-11 00:34
So far what we've learned is that neither Rybka with IA nor Rybka with DPA is particularly good at playing the opening (at least this opening), although I don't think this game is anywhere near drawn (I would imagine black attacking on the queenside and white on the kingside after belatedly placing a knight on e5.

Anyway, here is my counter proposal:

We start from a common position of interest (I am interested in the black side of the dragon with an example given below), and you use Rybka with IA to whatever depth you see fit, and I will use Zappa with DPA in an overnight mode (where my move is whatever is best when I get to the computer in the morning). I will be using more time, but you will be using a better engine (but I don't think its better in the opening) with a supposedly superior search method.

r1bqk2r/pp1pppbp/2n2np1/8/2BNP3/2N1B3/PPP2PPP/R2QK2R b KQkq -
Parent - - By titanium cranium (***) [us] Date 2009-08-11 12:49
How and when did Deleted become Banned For Life? Interesting.

I'm not familiar with Zappa. How did it do in the latest championships?
Parent - - By Banned for Life (Gold) Date 2009-08-11 16:25
Yes, I became Banned for Life without even insulting Felix's mother.

The Zappa development effort was discontinued after it won a match against Rybka in Mexico City prior to the release of R3. Zappa's search is slower than Rybka's, but it sees many positions in a very different way than Rybka, so it has a high percentage of decisive games.
Parent - - By Roland Rösler (****) [de] Date 2009-08-11 16:50

>Yes, I became Banned for Life ...


So you are outlawed and may be killed on sight?
Parent - By Banned for Life (Gold) Date 2009-08-11 22:26
This would apply to many of the old timers here...
Parent - By Nelson Hernandez (Silver) [us] Date 2009-08-12 04:09
That is a really good choice.  I think I can see where you are going with this.
Parent - - By Uri Blass (*****) [il] Date 2009-08-13 15:11
I do not understand why do you claim that IA is ineffective.

1)What are the relevant blunders that rybka IA played in the game?
2)How could you avoid the blunders with the same computer time by interacting with the position?

Uri
Parent - By Uly (Gold) [mx] Date 2009-08-13 21:02
I'm sure Banned for Life could tell you a more thorough explanation, i.e. whatever he tells you about picking better moves than DPA by interacting could be used for picking better moves than IA by interacting. It may come down to "having a plan", and knowing what this opening requires, this would immediately prune moves against the plan that automated analysis would pick.

In the specific, if DPA's moves can be found by IA (and I don't think DPA played anything shocking), IA's theoretical strength is that it can outsearch DPA and play an unexpected move in the last minute. In this game it happened, twice, but it's not clear if the move chosen by IA was actually better.

For example, with interaction I could have forced the variations that were played on the game on some early move, so Rybka can make better decisions knowing that her variation falls to -0.13 instead of remaining at -0.21 (please note that DPA tries to do exactly this, the difference being that being a robot it's going to force variations that the human would not force), and I could have forced moves that made sense that Rybka pruned that could have turned out to be better (that DPA wouldn't force), etc.

As for blunders, both DPA and IA probably played "perfect" moves that didn't change the outcome of the game, but they could have played moves that caused the opponent to play a blunder, that's how ultimately leads to won games. So no blunders.
- - By Uly (Gold) [mx] Date 2009-08-11 23:39 Edited 2009-08-11 23:42
Well, I'm offering draw, if you are still interested in seeing how this game continues (i.e. that white or black can still win this) then I'll keep playing, but I'd accept your counter proposal so we could start the new game instead.

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3 Bd6 6. Nh4 O-O 7. Be2 Be4 8. d3 Bf5 9. O-O h6 10. c4 c6 11. Nxf5 exf5 12. Be5 Re8 13. d4 Ne4 14. Qc1 Nd7 15. Nc3 Ndf6 16. Bf3 Bf8 17. a3 Qd7 18. Bxf6 Nxf6 19. Re1 Rad8 20. c5 Re6 21. Ra2 b6 22. b4 Qb7 23. Nd1 Rde8 24. Rc2 Be7 25. Nf2 bxc5 26. bxc5 Bd8 {Draw Offer}

3br1k1/pq3pp1/2p1rn1p/2Pp1p2/3P1P2/P3PB2/2R2NPP/2Q1R1K1 w - -


13.01   0:01   -0.21   26...Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Rc3 Bd8 30.Nd3 Qb5 31.Re2 (193.336) 139
14.01   0:01   -0.21   26...Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Rc3 Bd8 30.Nd3 Qb5 31.Re2 Qb1 (270.789) 139
15.01   0:03   -0.21   26...Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Rc3 Bd8 30.Nd3 Qb5 31.Re2 Qb1 32.Ne5 (495.726) 151
16.01   0:06   -0.20   26...Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Nd3 Rb3 30.Ne5 Bd8 31.Ra2 Bc7 32.Ree2 Ne4 33.Bxe4 fxe4 34.Reb2 (928.233) 154
17.01   0:12   -0.20   26...Qa6 27.Be2 Qa5 28.Bf3 Rb8 29.Nd3 Rb3 30.Ne5 Bd8 31.Ra2 Bc7 32.Ree2 Ne4 33.Bxe4 fxe4 34.Reb2 (1.813.387) 154
18.01   0:22   -0.19   26...Qa6 27.Be2 Qa5 28.Nd3 Rb8 29.Nb4 Ne4 30.Bd3 Qa4 31.Rce2 Bh4 32.g3 Bf6 33.Bc2 Qb5 (3.401.091) 153
19.01   0:43   -0.13   26...Qa6 27.Be2 Qa5 28.Nd3 Rb8 29.Nb4 Ne4 30.Bd3 Qa4 31.Rce2 Bh4 32.g3 Bf6 33.Bc2 Qb5 34.Bd3 (6.354.798) 151
19.02   1:45   -0.15   26...Qb3 27.Rc3 Qa4 28.Nd3 Ne4 29.Rc2 Bh4 30.Ree2 Bd8 31.Ne5 Bc7 32.Bxe4 fxe4 33.Rf2 Rf6 34.Nd7 Rg6 (18.903.956) 182
20.01   2:25   -0.15   26...Qb3 27.Rc3 Qa4 28.Nd3 Ne4 29.Rc2 Bh4 30.Rf1 Ng5 31.Ne5 Nxf3+ 32.Rxf3 Bd8 33.Rg3 a5 34.Rc3 Bh4 (25.998.646) 183
21.01   4:08   -0.11   26...Qb3 27.Rc3 Qa4 28.Re2 Bd8 29.Qd1 Qb5 30.Rb3 Qc4 31.Rb4 Qa6 32.Ra4 Qc8 33.Qd3 (42.122.346) 173
21.26  10:18   -0.19   26...Bd8 27.Nd3 Ng4 28.Bxg4 fxg4 29.Ne5 Qa6 30.Rb2 f6 31.f5 R6e7 32.Ng6 (104.270.167) 172
22.01  14:35   -0.21   26...Bd8 27.Nd3 Ng4 28.Bxg4 fxg4 29.Ne5 f6 30.Rb2 Qa6 31.f5 R6e7 32.Ng6 Re4 33.Rb3 Bc7 34.g3 Ba5 35.Rd1 Qe2 36.Nf4 Qa2 37.Rb7 R4e7 38.Rb2 Qxa3 (156.270.594) 182
23.01  23:23   -0.15   26...Bd8 27.Nd3 Ng4 28.Bxg4 fxg4 29.Ne5 f6 30.Rb2 Qc7 31.Nd3 h5 32.Qd2 Qc8 33.g3 R6e7 34.Nb4 h4 (251.063.344) 183
best move: Be7-d8 time: 29:34.329 min  n/s: 174.615  nodes: 302.553.497

29:34 - 9:16 scale   = 20:18
1:40:19 bank - 20:18 = 1:20:01 remaining bank
Parent - - By Banned for Life (Gold) Date 2009-08-12 03:59
Sure. And the game was a learning experience (don't let your engine play with only a five move book!). Anyway, I'm more interested in showing that Zappa is still a valuable analysis tool, even in the age of Rybka. I will perform DPA on the position tonight. From experience at much shorter time controls, I don't think R3 plays the dragon very well so I think Zappa/DPA has a decent chance of winning. I hope Rybka will end up going for some variant of the Yugoslav attack, but I don't think this is likely.
Parent - - By billyraybar (***) [us] Date 2009-08-12 11:47
What was there a draw offer?
Parent - By Uly (Gold) [mx] Date 2009-08-12 20:03

>What was there a draw offer?


Yes, see this post.

I took "Sure" from Alan as taking the draw, if there's a misunderstanding we can continue this game but I infer from the rest of his post that my supposition is right.

I've created a thread for the new game.
Up Topic The Rybka Lounge / Correspondence Chess / Deleted Vs. Vytron (DPA Vs. IA) 1/2 - 1/2
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