chess puzzle 2
nice puzzle with a I nice sacerfice!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
That delays it a bit more
1.Rxe5 Qd8
2.Bxd8 dxe5
3.Bf6 h5
4.Qe3 Kh7
5.Qxe5 Rfc8
6.Nc4 Rc7
7.Qd6 Rb8
8.Ne5 Rg8
9.Bd8 Rxd8
10.Qxd8 ...
But how about Qd4 instead?
1.Rxe5 Qd4
2.Rxe6 Qxa1+
3.Bxa1 fxe6
4.Qxe6+ Rf7
5.Nc4 Nc7
6.Qxd6 Re8
7.Ne5 Re6
8.Qd8+ Ne8
9.f4 Rc7
10.Nf3 Ree7
11.Qd4 Ng7
12.Qxa7 c5
13.Be5 Rc8
14.Bxg7 Kxg7
15.Ne5 Rcc7
16.Qb6 Rc8
17.Qd6 Rcc7
18.Nd3 Rcd7
19.Qxc5 Re2
20.Kf1 Rxg2
21.Qc3+ Kg8
22.Qc4+ Kg7
23.Ne5 Rgxd2
24.Nxd7 Rxd7
25.Qe6 Bc8
26.Qe5+ Kf7
27.f5 gxf5
28.Qxf5+ Ke8
29.Qe5+ Kd8
30.Qh8+ Kc7
31.Qc3+ Kd8
32.Qa5+ Ke8
33.Qa8 Kd8
34.c4 Rf7+
35.Ke1 Kc7
36.Qa5+ Kd7
37.Qb5+ Kd8
38.Qg5+ Re7+
39.Kd2 Kd7
40.c5 Rf7
41.Qd5+ Ke7
42.b4 Rf2+
43.Ke3 Rf6
44.a4 Re6+
45.Kd3 h6
46.b5 Bd7
47.Qb7 Kd8
48.c6 Rd6+
49.Kc3 Bc8
50.Qb6+ Ke7
51.Qc5 Ke6
52.b6 Ba6
53.b7 Rd3+
54.Kb4 Bxb7
55.Qc4+ Ke7
56.cxb7 Rd8
57.Qc7+ Ke8
58.Qxd8+ Kxd8
59.b8=Q+ Ke7
60.Qe5+ Kd8
61.Qg7 h5
62.Kc5 h4
63.Kd6 h3
64.Qf8#
wow how did you calcullate that
A chess program. Not much (computer) thought was put into each move, but it was playing itself, so it's likely that white wins no matter how long each side got to think about it. White's up in material from the start, so it should win.
With Qd8, the computer resigned very quickly. With Qd4 it took many more moves before black finally realized it had no ability to win. (When this program resigns, a low rated human player can usually then beat it at that point if cautious.)
the position shown on the chess board
Most GUI's have a "Set Position" function, you just set up the position and fire up the engine.