Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Pawn Blockade (rebel)

Author: Slater Wold

Date: 13:02:50 11/24/03

Go up one level in this thread


On November 24, 2003 at 12:21:33, Mike Hood wrote:

>On Chessbase's site (http://www.chessbase.com/newsdetail.asp?newsid=1319) a
>report from the Daily Telegraph was quoted, in which Fritz 8 was given a
>position with a pawn blockade and had to avoid accepting Black's rook sacrifice.
>
>[D] 6kr/5b1p/2p3pP/rpPp1pP1/pP1PpP2/P3P3/1K6/8 w
>
>bxa5 loses the game, but White can get a draw by shuffling his king around.
>According to the article Fritz wants to take the rook, but given enough time
>changes his mind. I'm not sure what "enough time" means, because on my 733 MHz
>PC Fritz still insisted on bxa5 after two hours.

Rebel 12.00.01 (rebel) - P4 3.06GhZ - 200MB HT:

00:00:00.2	-5.99	1	4	bxa5
00:00:00.2	-5.52	2	39	bxa5 Kf8 a6
00:00:00.2	-6.07	3	99	bxa5 Kf8 Ka2 Ke8 a6 Rg8 a7 Kd7
00:00:00.2	-6.53	4	188	bxa5 Kf8 Kc3 Ke7 a6 Be6 Kb2 Rd8 Kb1 Rd7 Kc2 Kf7 Kc3 Ke7
Kb4 Kf7 Kc3 Ke7 Kb4 Kf7
00:00:00.2	-6.53	5	282	bxa5 Kf8 Kc3 Ke7 a6 Be6 Kb2 Rd8 Kb1 Rd7 Kc2 Kf7 Kc3 Ke7
Kb4 Kf7 Kc3 Ke7 Kb4 Kf7
00:00:00.2	-6.64	6	710	bxa5 Kf8 Kc3 Ke7 a6 Ra8 a7 Rxa7 Kc2 Ke6 Kd2 Kd7 Kc3 Be6
Kb2 Kc7 Ka2 Kd8 Kb2 Kc8 Kc3 Kd7 Kb2 Kc7
00:00:00.2	-6.89	7	1385	bxa5 Kf8 Kc2 Ke7 Kc3 Ra8 Kb4 Be6 Kc3 Rxa5 Kb2 Bd7 Kc2
Ke8 Kb2 Kf7 Kc2 Ke7 Kb2 Ke8 Kc2
00:00:00.2	-6.90	8	2491	bxa5 Kf8 Kc2 Ke7 Kc3 Ra8 Kb4 Ke6 a6 Rxa6 Kc3 Ra5 Kc2 Ra6
Kd2 Be8 Kc3 Bd7 Kb4 Be8 Kc3 Bd7 Kb4 Be8
00:00:00.2	-7.89	9	4369	bxa5 Kf8 Kc2 Ke7 Kc3 Ra8 Kb4 Ke6 Kc3 Rxa5 Kc2 Ra6 Kd2
Be8 Kc3 Bd7 Kb4 Be8 Kc3 Bd7 Kb4 Be8
00:00:00.2	-7.89	10	12208	bxa5 Kf8 Kc2 Ke7 Kc3 Ra8 Kb4 Ke6 Kc3 Rxa5 Kc2 Ra6 Kd2
Be8 Kc3 Bd7 Kb4 Be8 Kc3 Bd7 Kb4 Be8
00:00:00.2	-7.87	11	27266	bxa5 Kf8 Kc2 Ke7 Kc3 Be6 Kb4 Ra8 Kc3 Rxa5 Kd2 b4 axb4
a3 bxa5 a2 Ke2
00:00:00.2	-8.03	12	39432	bxa5 Kf8 Kc2 Ke7 Kc3 Be6 Kb4 Ra8 a6 Rxa6 Kc3 Ra8 Kd2
b4 axb4 a3 Ke2 a2 b5
00:00:00.3	-8.07	13	74088	bxa5 Kf8 Kc2 Ke7 Kc3 Be6 Kb4 Ra8 a6 Rxa6 Kc3 Ra8 Kb4
Rf8 Ka5 Rc8 Kb6 Bd7 Ka5 Ra8+ Kb6 Rc8 Ka5 Ra8+
00:00:00.3	-8.14	14	145082	bxa5 Kf8 Kc2 Ke7 Kc3 Ra8 Kb4 Kd7 Kc3 Rxa5 Kb2 Ra8 Kc2
b4
00:00:00.6	-8.25	15	383544	bxa5 Be6 Kc2 Kf7 Kc3 Ra8 Kb4 Bc8 Kc3 Rxa5 Kb2 Ra7 Ka1
Ke6 Ka2 Kf7 Ka1 Ke6 Ka2 Kf7
00:00:01.1	-8.24	16	840472	bxa5 Be6 Kc2 Kf7 Kc3 Ra8 Kb4 Bc8 Kc3 Rxa5 Kb2 Ke6 Kc1
Kf7 Kb2 Ke6 Kc1 Kf7
00:00:03.4	-8.74	17	2949349	bxa5 Be6 Kc2 Bc8 Kc3 Kf7 Kb2 Be6 Kc2 Ra8 Kc3 Bd7 a6
Rxa6 Kb2 Ke7 Kc1 b4 Kb2 bxa3+ Kxa3 Rb6 cxb6 Kd6
00:00:06.7	-10.12	18	6055746	bxa5 Be6 Kc2 Bc8 Kd2 Ba6 Kc3 Kf7 Kc2 Ra8 Kb2 Rb8
Ka2 b4 axb4 Rxb4 Ka1 Rxd4 Kb2 Rb4+ Ka3 Rd4 Kb2 Rb4+
00:00:21.3	-10.94	19	19187542	bxa5 Be6 Kc2 Kf7 Kd2 Bc8 Kc3 Re8 Kb2 Ba6 Kc2 Rh8
Kc3 Ke6 Kd2 Rb8 Kc3 Kf7 Kb4 Ke7 Kc3 Kf7 Kb4 Ke7
00:00:35.9	-14.87	20	34375798	bxa5 Be6 Kc2 Kf7 Kc1 Ke7 Kb2 Bc8 Kc2 Ba6 Kc3 Ke6
Kc2 Kd7 Kb2 Ke6 Kc2 Kd7 Kb2 Ke6
00:01:40.5	-11.93	20	99829425	Kc2 Be6 Kc3 Ra8



Rebel (q3) finds it in 13s.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.