Author: Richard Pijl
Date: 08:59:21 05/16/04
Go up one level in this thread
On May 16, 2004 at 07:46:09, Dieter Buerssner wrote:
>This is from yesterdays ICC tourney. I think, especially without TBs, the
>positions might be rather hard.
>
>[D] 8/1R6/8/7P/2k3P1/1p4K1/8/7r w - - 8 97
>
>Here Baron played Rb8, allowing a draw. Rb6 wins (I think, everything else
>draws).
The Baron on a P4-2.4 (not the tournament machine, which was a dual AMD 2000+)
_with_ EGTB:
5(10). 0:00.88 10921 +2.26 Rb7-b8 Kc4-c3 Kg3-g2 Rh1-h4 Kg2-f3
6(13)& 0:01.16 18182 +2.33 Rb7-b8 Kc4-c3 Kg3-g2 Rh1-h4 Rb8-c8 Kc3-d3
Kg2-g3
6(13). 0:01.76 30098 +2.33 Rb7-b8 Kc4-c3 Kg3-g2 Rh1-h4 Rb8-c8 Kc3-d3
Kg2-g3
7(13)> 0:02.31 48091 +1.99 Kg3-g2
7(13)& 0:02.86 67366 +2.26 Kg3-g2 Rh1-h4 Kg2-f3 Kc4-c3 Rb7-c7 Kc3-d3
Rc7-d7 Kd3-c3 Rd7-b7
7(14). 0:03.57 85477 +2.26 Kg3-g2 Rh1-h4 Kg2-f3 Kc4-c3 Rb7-c7 Kc3-d3
Rc7-d7 Kd3-c3 Rd7-b7
8(14)& 0:04.34 106896 +1.99 Kg3-g2 Rh1-h4 Kg2-f3 Kc4-c3 Rb7-c7 Kc3-d3
Rc7-d7 Kd3-c3 Rd7-b7 Rh4-h2
8(16). 0:06.48 212957 +1.99 Kg3-g2 Rh1-h4 Kg2-f3 Kc4-c3 Rb7-c7 Kc3-d3
Rc7-d7 Kd3-c3 Rd7-b7 Rh4-h2
9(18)& 0:10.77 497624 +1.96 Kg3-g2 Rh1-h4 Kg2-f3 Kc4-c3 Rb7-c7 Kc3-d3
Rc7-d7 Kd3-c3 Kf3-g3 Rh4-h1 Kg3-f4
9(18). 0:15.00 764303 +1.96 Kg3-g2 Rh1-h4 Kg2-f3 Kc4-c3 Rb7-c7 Kc3-d3
Rc7-d7 Kd3-c3 Kf3-g3 Rh4-h1 Kg3-f4
10(20)- 0:24.72 1576684 +1.61 Kg3-g2 (Rh1-h4) (Kg2-f3) (Rh4-h3) (Kf3-f4)
(Kc4-c3)
(Rb7-c7) (Kc3-d3) (Rc7-d7) (Kd3-c2)
(Rd7-e7) (Rh3-h1)
(Re7-e2) (Kc2-c3) (Re2-e7)
10(20)> 0:28.23 2035103 +0.72 Rb7-b8
10(22)> 0:36.25 2740826 +0.72 Rb7-b6
10(22)- 0:39.88 3064448 +0.71 Rb7-b6 (Kc4-c3) (Kg3-g2) (Rh1-h4) (Rb6-c6)
(Kc3-d2)
(Kg2-f1) (Rh4xg4) (Rc6-b6) (Rg4-g5)
(h5-h6) (Kd2-c3)
(h6-h7) (Rg5-h5) (Kf1-f2)
10(22)& 0:42.24 3273254 +1.26 Rb7-b6 Kc4-c3 Kg3-g2 Rh1-h4 Rb6-c6 Kc3-d2
Kg2-g3 Rh4-h1 Rc6-d6 Kd2-c3 Rd6-b6 b3-b2
(Kg3-f2)
10(22). 0:42.24 3273271 +1.26 Rb7-b6 Kc4-c3 Kg3-g2 Rh1-h4 Rb6-c6 Kc3-d2
Kg2-g3 Rh4-h1 Rc6-d6 Kd2-c3 Rd6-b6 b3-b2
(Kg3-f2)
without EGTB it is quite a bit harder. The Baron does select Rb6 after 31
seconds, but with not with a convincing score. That takes about 7 minutes:
13(27)& 0:40.97 17021429 +0.35 Rb7-b6 Kc4-c3 h5-h6 b3-b2 g4-g5 Kc3-c2
Kg3-g4 b2-b1Q Rb6xb1 Kc2xb1 Kg4-f5 Kb1-c2
Kf5-g6 Kc2-d1 Kg6-g7 (Rh1-h5) (h6-h7)
13(27)+ 0:59.97 25054099 +0.71 Kg3-f4 (Kc4-c3) (Kf4-g5) (b3-b2) (h5-h6)
(b2-b1N)
13(27)& 1:04.20 27098992 +0.40 Kg3-f4 Kc4-c3 Kf4-g5 b3-b2 Rb7xb2 (Kc3xb2)
(h5-h6) (Kb2-c1) (Kg5-g6) (Kc1-d2) (h6-h7)
(Kd2-e3)
(g4-g5) (Ke3-f4) (Kg6-g7)
13(29). 1:20.46 34217337 +0.40 Kg3-f4 Kc4-c3 Kf4-g5 b3-b2 Rb7xb2 (Kc3xb2)
(h5-h6) (Kb2-c1) (Kg5-g6) (Kc1-d2) (h6-h7)
(Kd2-e3)
(g4-g5) (Ke3-f4) (Kg6-g7)
14(27)+ 1:37.71 41590126 +0.75 Kg3-f4 (Kc4-c3) (Kf4-g5) (b3-b2)
(Rb7xb2)(Kc3xb2)
(h5-h6) (Kb2-c1) (Kg5-g6) (Kc1-d2) (g4-g5)
(Kd2-e3)
(Kg6-g7) (Rh1-c1) (g5-g6) (Rc1-c7)
14(31)& 2:02.86 52118938 +0.90 Kg3-f4 Kc4-c3 Kf4-g5 b3-b2 Rb7xb2 Kc3xb2
h5-h6 Kb2-c1 Kg5-g6 Rh1-d1 g4-g5 Rd1-d6
Kg6-h5 Rd6-d8 g5-g6 Rd8-h8
14(32). 2:34.94 64751050 +0.90 Kg3-f4 Kc4-c3 Kf4-g5 b3-b2 Rb7xb2 Kc3xb2
h5-h6 Kb2-c1 Kg5-g6 Rh1-d1 g4-g5 Rd1-d6
Kg6-h5 Rd6-d8 g5-g6 Rd8-h8
15(32)& 3:27.67 87130762 +0.77 Kg3-f4 Kc4-c3 Kf4-g5 b3-b2 h5-h6 b2-b1Q
Rb7xb1 Rh1xb1 h6-h7 Rb1-b8 Kg5-f5 Kc3-d2
g4-g5 Kd2-e2 Kf5-f6 Rb8-h8 g5-g6 Ke2-d3
(Kf6-g5) (Rh8-a8) (Kg5-f5) (Kd3-d2)
(Kf5-e4) (Kd2-c3)
(Ke4-f4) (Kc3-d3)
15(34)+ 7:57.52 195434202 +1.25 Rb7-b6 (Kc4-c3) (h5-h6) (Kc3-c2)
(Kg3-f4)(b3-b2)
(g4-g5) (b2-b1Q) (Rb6xb1) (Kc2xb1)
(Kf4-f5) (Rh1-c1)
(g5-g6) (Rc1-c5) (Kf5-f4) (Rc5-c4)
15(36)& 10:20.16 253591499 +1.94 Rb7-b6 Kc4-c3 h5-h6 Kc3-c2 Kg3-f4 b3-b2
g4-g5 b2-b1Q Rb6xb1 Kc2xb1 Kf4-f5 Kb1-b2
Kf5-g6 Kb2-c3 h6-h7 Kc3-d4 Kg6-g7 (Rh1-h5)
(h7-h8Q) (Kd4-e4)
15(36). 10:22.30 254414433 +1.94 Rb7-b6 Kc4-c3 h5-h6 Kc3-c2 Kg3-f4 b3-b2
g4-g5 b2-b1Q Rb6xb1 Kc2xb1 Kf4-f5 Kb1-b2
Kf5-g6 Kb2-c3 h6-h7 Kc3-d4 Kg6-g7 (Rh1-h5)
(h7-h8Q) (Kd4-e4)
>
>After Rb8:
>
[D]1R6/8/8/7P/2k3P1/1p4K1/8/7r b - - 9 97
with egtb no problem:
6(13). 0:00.33 38120 -1.79 Kc4-c3 Kg3-g2 Rh1-c1 Rb8-c8 Kc3-b2 Rc8-g8
Kb2-c3
7(14)+ 0:00.44 54405 -1.43 Kc4-c3 (Kg3-g2) (Rh1-c1) (Rb8-c8) (Kc3-d2)
(Rc8-d8)
(Kd2-c3) (Kg2-g3) (b3-b2) (g4-g5)
7(14)+ 0:00.50 77838 -0.53 Kc4-c3 (Kg3-g2) (Rh1-d1) (g4-g5) (b3-b2)
(g5-g6)
(b2-b1Q) (Rb8-c8) (Kc3-b3) (g6-g7)
(Rd1-d2)
7(14)& 0:00.55 96578 -0.10 Kc4-c3 Kg3-g2 Rh1-d1 h5-h6 Rd1-d2 Kg2-f3
Rd2-d3 Kf3-e4 Rd3-h3
7(16). 0:00.77 114695 -0.10 Kc4-c3 Kg3-g2 Rh1-d1 h5-h6 Rd1-d2 Kg2-f3
Rd2-d3 Kf3-e4 Rd3-h3
8(15)- 0:01.38 197772 -0.45 Kc4-c3 (Kg3-g2) (Rh1-d1) (h5-h6) (Rd1-d2)
(Kg2-f3)
(b3-b2) (g4-g5) (Kc3-c2) (h6-h7) (Rd2-g2)
8(15)& 0:01.60 240590 -0.41 Kc4-c3 Kg3-g2 Rh1-h4 Rb8-c8 Kc3-d3 Rc8-d8
Kd3-c2 Kg2-g3 b3-b2 Rd8-b8 Rh4-h1 (Rb8-c8)
(Kc2-d3) (Rc8-b8) (Kd3-c3) (Rb8-c8)
(Kc3-d4)
8(15). 0:01.60 240605 -0.41 Kc4-c3 Kg3-g2 Rh1-h4 Rb8-c8 Kc3-d3 Rc8-d8
Kd3-c2 Kg2-g3 b3-b2 Rd8-b8 Rh4-h1 (Rb8-c8)
(Kc2-d3) (Rc8-b8) (Kd3-c3) (Rb8-c8)
(Kc3-d4)
9(17)- 0:02.75 413192 -0.76 Kc4-c3 (Kg3-g2) (Rh1-h4) (Rb8-c8) (Kc3-d3)
(Rc8-d8)
(Kd3-c2) (Kg2-g3) (b3-b2) (Rd8-c8)
(Kc2-d1) (Rc8-b8)
(Kd1-c1)
9(18)+ 0:03.52 549114 -0.06 Kc4-c3 (Kg3-g2) (Rh1-h4) (Rb8-c8) (Kc3-b4)
(Kg2-g1)
(Rh4xg4) (Kg1-f2)
9(18). 0:03.63 555830 -0.76 Kc4-c3 (Kg3-g2) (Rh1-h4) (Rb8-c8) (Kc3-b4)
(Kg2-g3)
(Rh4-h1)
10(20)+ 0:04.67 748678 -0.41 Kc4-c3 (Kg3-g2) (Rh1-h4) (Rb8-c8) (Kc3-b4)
(Kg2-g3)
(Rh4-h1) (Rc8-d8) (b3-b2) (Kg3-g2)
(b2-b1Q) (g4-g5)
10(21)& 0:08.41 1139752 +0.00 Kc4-c3 Kg3-g2 Rh1-h4 Rb8-c8 Kc3-b4 Kg2-g3
Rh4-h1 Rc8-d8 b3-b2 Rd8-b8 Kb4-c3 Kg3-g2
b2-b1Q (Rb8xb1) (Rh1xb1)
10(21). 0:08.57 1163547 +0.00 Kc4-c3 Kg3-g2 Rh1-h4 Rb8-c8 Kc3-b4 Kg2-g3
Rh4-h1 Rc8-d8 b3-b2 Rd8-b8 Kb4-c3 Kg3-g2
b2-b1Q (Rb8xb1) (Rh1xb1)
without egtb only a little longer:
5(13). 0:00.05 15115 -2.35 Rh1-g1 Kg3-f4 Rg1-h1 Kf4-e5 Kc4-c3 Rb8-c8
Kc3-d3
6(12)+ 0:00.11 25471 -2.00 Rh1-g1 (Kg3-f4) (Kc4-c3) (Rb8-b4)
6(13)+ 0:00.16 32902 -1.10 Rh1-g1 (Kg3-f4) (Kc4-c3) (Rb8-c8) (Kc3-b4)
(Rc8-d8)
(b3-b2) (Kf4-e5)
6(14)& 0:00.16 44685 +0.00 Rh1-g1 Kg3-f4 Kc4-c3 Rb8-c8 Kc3-b4 g4-g5
b3-b2 Rc8-b8 Kb4-c3 Rb8-c8 Kc3-b4 <rep>
6(14). 0:00.16 47318 +0.00 Rh1-g1 Kg3-f4 Kc4-c3 Rb8-c8 Kc3-b4 g4-g5
b3-b2 Rc8-b8 Kb4-c3 Rb8-c8 Kc3-b4 <rep>
7(15)& 0:00.33 83901 +0.00 Rh1-g1 Kg3-f4 Kc4-c3 Rb8-c8 Kc3-b4 Rc8-b8
Kb4-a3 Kf4-g5 b3-b2 Rb8-a8 Ka3-b4 Ra8-b8
Kb4-a3 <rep>
7(15). 0:00.33 95244 +0.00 Rh1-g1 Kg3-f4 Kc4-c3 Rb8-c8 Kc3-b4 Rc8-b8
Kb4-a3 Kf4-g5 b3-b2 Rb8-a8 Ka3-b4 Ra8-b8
Kb4-a3 <rep>
8(17)& 0:00.66 191249 -0.09 Rh1-g1 Kg3-f4 Kc4-c3 g4-g5 b3-b2 h5-h6
Rg1-f1 Kf4-e5 Rf1-e1 Ke5-f6 b2-b1Q Rb8xb1
Re1xb1
8(17). 0:00.93 243006 -0.09 Rh1-g1 Kg3-f4 Kc4-c3 g4-g5 b3-b2 h5-h6
Rg1-f1 Kf4-e5 Rf1-e1 Ke5-f6 b2-b1Q Rb8xb1
Re1xb1
9(19)& 0:01.70 450835 -0.17 Rh1-g1 Kg3-f4 Kc4-c3 g4-g5 b3-b2 h5-h6
Rg1-f1 Kf4-e5 Rf1-e1 Ke5-f6 Re1-f1 Kf6-g6
b2-b1Q Rb8xb1 Rf1xb1
9(19). 0:02.36 714009 -0.17 Rh1-g1 Kg3-f4 Kc4-c3 g4-g5 b3-b2 h5-h6
Rg1-f1 Kf4-e5 Rf1-e1 Ke5-f6 Re1-f1 Kf6-g6
b2-b1Q Rb8xb1 Rf1xb1
10(25)& 0:04.23 1437763 -0.26 Rh1-g1 Kg3-f4 Kc4-c3 g4-g5 b3-b2 h5-h6
Rg1-f1 Kf4-e5 Rf1-h1 Ke5-f6 Kc3-c2 Kf6-g6
b2-b1Q Rb8xb1 (Rh1xb1)
10(25)& 0:06.10 2214582 +0.00 Kc4-c3 Rb8-c8 Kc3-d3 Rc8-b8 Kd3-c3 <rep>
10(25). 0:06.10 2230022 +0.00 Kc4-c3 Rb8-c8 Kc3-d3 Rc8-b8 Kd3-c3 <rep>
11(26)& 0:07.52 2841918 +0.00 Kc4-c3 Rb8-c8 Kc3-d3 Rc8-b8 Kd3-c3 <rep>
11(26). 0:08.18 3135983 +0.00 Kc4-c3 Rb8-c8 Kc3-d3 Rc8-b8 Kd3-c3 <rep>
12(25)& 0:12.52 4971594 +0.00 Kc4-c3 Rb8-c8 Kc3-d3 Rc8-b8 Kd3-c3 <rep>
Richard.
>
>Now Arasan played Rg1+, which is losing. Kc3 draws (everything else loses).
>After Rg1+ the game continued 98.Kf4 Kc3 99.g5 b2 100.Rxb2!? Kxb2 and the two
>pawns win against the rook.
>
>Does any engine without TBs find Rb6 in the first pos with convincing score? And
>in the second pos, does any engine without TBs see, that Kc3 is really much
>better than alternative moves? The testpositions are not really good, because
>the moves can be found without "understanding" the pos.
>
>Regards,
>Dieter
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