Author: Rafael Andrist
Date: 04:06:55 09/14/03
Go up one level in this thread
On September 14, 2003 at 06:05:54, GuyHaworth wrote:
>
>... but what if White minimises 'DTZ50' [== DTZ but a draw if DTZ > 50]
>
>and Black maximises DTZ50.
>
>I guess we see White coming 'close' but not close enough to forcing a P-push.
Well, this line is just boring as both sides would only see "draw" all the time.
I propose to use DTZ as long as DTZ50 says draw and then switch to DTZ50, but
this does make things only worse for White.
[Event "?"]
[Site "?"]
[Date "2003.14.9"]
[Round "?"]
[White "DTZ/DTZ50"]
[Black "DTZ/DTZ50"]
[Result "?"]
[SetUp "1"]
[FEN "8/4k3/8/8/5K1p/5N1N/8/8 b - - 0 1"]
Ke7-d6 $1 2.Nf3-d4 Kd6-d5 $1 3.Nd4-f5 $1 Kd5-c5 $1 4.Kf4-e4 Kc5-c6 $1 5.Ke4-d4
Kc6-b6 6.Nf5-e7 Kb6-b5 7.Kd4-d5 $1 Kb5-b6 $1 8.Ne7-g6 $1 Kb6-c7 $1 9.Ng6-e5 $1
{Here, the DTZ50 line starts} ( 9.Ng6-f8 $1 {would be the DTZ-line} Kc7-b6
10.Nf8-e6 $1 Kb6-b5 $1 11.Ne6-c7+ $1 Kb5-b4 $1 12.Kd5-d4 $1 Kb4-b3 $1 13.Nc7-d5
$1 Kb3-c2 $1 14.Nd5-b4+ Kc2-d2 15.Nb4-d3 $1 Kd2-d1 $1 16.Kd4-c3 $1 Kd1-e2 $8
17.Nd3-f2 Ke2-e3 $1 18.Kc3-c4 $1 Ke3-d2 $1 19.Kc4-b3 $1 Kd2-e2 $1 20.Kb3-c2 $1
Ke2-e3 $1 21.Kc2-c3 $1 Ke3-e2 $1 22.Kc3-d4 $1 Ke2-d2 23.Nf2-g4 $1 Kd2-c2 $1
24.Kd4-c4 $1 Kc2-b2 $1 25.Nh3-f2 Kb2-a3 $1 26.Nf2-d3 $1 Ka3-a4 $1 27.Nd3-b4 $3
Ka4-a5 $1 28.Kc4-c5 $3 Ka5-a4 $1 29.Nb4-c6 $1 Ka4-b3 $1 30.Kc5-d4 $3 Kb3-c2 $1
31.Ng4-h2 Kc2-d2 $1 32.Nc6-e5 $1 Kd2-c2 $1 33.Nh2-f3 Kc2-b2 34.Ne5-c6 Kb2-a2
35.Nc6-a5 Ka2-b2 $1 36.Kd4-d3 $1 Kb2-a3 $1 37.Kd3-c4 $1 Ka3-b2 $1 38.Na5-b7 $1
Kb2-c2 $1 39.Nb7-d6 $1 Kc2-b2 $1 40.Nd6-b5 $1 Kb2-c2 $1 41.Nb5-a3+ $1 Kc2-b2 $1
42.Kc4-b4 $1 Kb2-c1 $1 43.Kb4-c3 $1 Kc1-d1 $1 44.Kc3-d3 $3 Kd1-c1 $1 45.Na3-c4
$1 Kc1-d1 $1 46.Nc4-b2+ $1 Kd1-c1 $8 47.Kd3-c3 $1 Kc1-b1 $1 48.Nb2-d3 $1 Kb1-a2
$1 49.Kc3-b4 $1 Ka2-a1 $1 50.Kb4-a3 Ka1-b1 $1 51.Ka3-b3 $1 Kb1-a1 $1 52.Nf3-d2
$1 h4-h3 $8 53.Nd3-c1 {Stalemate trap } h3-h2 $8 54.Kb3-c2 h2-h1Q 55.Nd2-b3+ $3
) Kc7-b7 $1 10.Kd5-d6 $1 Kb7-b6 $1 11.Ne5-c6 $1 Kb6-b5 $1 12.Kd6-d5 $3 Kb5-a6 $1
13.Nc6-d4 $1 Ka6-b6 $1 14.Kd5-d6 $1 Kb6-a5 $1 15.Kd6-c5 $1 Ka5-a4 $1 16.Kc5-c4
$1 Ka4-a5 $1 17.Nd4-f3 Ka5-a4 18.Nf3-e5 $1 Ka4-a5 $1 19.Ne5-d7 $1 Ka5-a6 $1
20.Kc4-b4 $1 Ka6-a7 $1 21.Kb4-b5 $1 Ka7-b7 $1 22.Nd7-f8 Kb7-a7 23.Nf8-e6 $1
Ka7-b7 $1 24.Kb5-c5 $1 Kb7-a7 $1 25.Ne6-c7 $1 Ka7-b7 $1 26.Nc7-b5 $1 Kb7-a6 $1
27.Nb5-d6 $1 Ka6-a5 $1 28.Nd6-b7+ $1 Ka5-a4 $1 29.Kc5-c4 $1 Ka4-a3 $8 30.Nb7-c5
$1 Ka3-b2 $1 31.Kc4-d3 $1 Kb2-c1 $1 32.Nc5-a4 $1 Kc1-b1 $1 33.Kd3-d2 $1 Kb1-a2
$1 34.Kd2-c3 $1 Ka2-b1 $1 35.Na4-c5 $1 Kb1-c1 36.Nc5-b3+ $1 Kc1-b1 $1 37.Nb3-d2+
$1 Kb1-a2 $1 38.Nd2-c4 $1 Ka2-b1 $1 39.Kc3-d2 $1 Kb1-a2 $1 40.Kd2-c2 $1 Ka2-a1
$8 41.Kc2-b3 $1 Ka1-b1 $8 42.Nc4-b2 $1 Kb1-c1 $1 43.Kb3-c3 $1 Kc1-b1 $8
44.Nb2-d3 $1 Kb1-a2 $1 45.Kc3-b4 $1 Ka2-b1 $1 46.Kb4-b3 $1 Kb1-a1 $8 47.Nd3-e1
Ka1-b1 $8 48.Ne1-f3 $1 Kb1-c1 $1 49.Kb3-c3 $1 Kc1-b1 $1 50.Nh3-f2 Kb1-a2 $1
51.Nf2-d1 Ka2-b1 52.Nd1-b2 Kb1-c1 53.Nb2-d3+ $1 Kc1-d1 $1 54.Nd3-f4 $3 Kd1-c1 $1
55.Nf4-e2+ $1 Kc1-b1 $1 56.Kc3-b3 $1 Kb1-a1 $1 57.Ne2-c3 h4-h3 $8 58.Nf3-e1
{Stalemate trap } h3-h2 $8 59.Ne1-c2+
regards
Rafael B. Andrist
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