Can any engine solve this problem ?

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JAMerolle
Posts: 96
Joined: Wed Mar 15, 2006 4:47 am

Can any engine solve this problem ?

Post by JAMerolle »

k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - -

White to play and win
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Can any engine solve this problem ?

Post by zullil »

JAMerolle wrote: [D]k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

White to play and win
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GARGAMEL
Posts: 111
Joined: Tue Dec 29, 2009 9:55 am
Location: AUSTRIA

Re: Can any engine solve this problem ?

Post by GARGAMEL »

Hello

Jasik,A - _, Bb6 2005
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Deep Fritz 10:

1.Dd8+ Ka7 2.Da5+ Kb8 3.Dd8+ Ka7
= (0.00) Tiefe: 9/29 00:00:00 184kN
= (0.00) Tiefe: 16/74 00:00:20 315mN
1.b6!! Dd2 2.Dxd2
= (0.01) Tiefe: 16/74 00:00:20 322mN
+/= (0.28) Tiefe: 21/71 00:16:53 23286mN, tb=129

regards Anton
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GARGAMEL
Posts: 111
Joined: Tue Dec 29, 2009 9:55 am
Location: AUSTRIA

Re: Can any engine solve this problem ?

Post by GARGAMEL »

Hello

Jasik,A - _, Bb6 2005
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Zappa Mexico II:

1.b6!! Dd2 2.Dxd2 Tg4+ 3.Kh5 Tg5+ 4.Kh6 Tg6+ 5.Kh7 Txg7+ 6.Kh6 Tg6+ 7.Kh5 Tg5+ 8.Kh4 Tg4+ 9.Kh3 Tg8 10.Da5+ Kb8 11.Da7+ Kc8 12.Da8+ Kd7 13.Dxb7+ Kd6 14.Dc7+ Kd5 15.Dd7+ Kc5 16.Dd4+ Kb5 17.Dd3+ Kc5 18.Txg2 f1D 19.Dxf1 Th8+ 20.Kg3 Tg8+ 21.Kh2 Txg2+ 22.Kxg2 Kxb6
= (0.00) Tiefe: 11/41 00:00:00 941kN
+- (4.56) Tiefe: 18/55 00:06:42 757mN, tb=957

regards Anton
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Jan Brouwer
Posts: 201
Joined: Thu Mar 22, 2007 7:12 pm
Location: Netherlands

Re: Can any engine solve this problem ?

Post by Jan Brouwer »

JAMerolle wrote:k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - -

White to play and win
My program (rotor) makes a big jump in score at ply 17:

Code: Select all

info depth 16 seldepth 34 nodes 102764097 nps 898091 score cp 0 hashfull 1000 pv b5b6 a2d2 d1d2 g3g4 h4h3 g4g3 h3h4

info depth 17 seldepth 37 nodes 468089797 nps 860851 score cp 431 hashfull 1000 pv b5b6 a2d2 d1d2 g3g4 h4h5 g4g5 h5h6 g5g6 h6h7 g6g7 h7h6 g7g6 h6h5 g6 g5 h5h4 g5g4 h4h3 g4g8 d2a5 a8b8 a5a7 b8c8 a7a8 c8d7 a8b7 d7d6 b7c7 d6d5 c7d7 d5e5
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beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Can any engine solve this problem ?

Post by beachknight »

Code: Select all

5: 
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Deep Rybka 4 x64:

1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 a2 6.Qf8+ Kd7 7.Qe8+ Kd6 8.Qxe6+ Kc5 9.Rg5+ 
  +/=  (0.45 ++)   Depth: 6   00:00:00  5kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 a2 6.Qf8+ Kd7 7.Qe8+ Kd6 8.Qxe6+ Kc5 9.Rg5+ 
  +/=  (0.60 ++)   Depth: 6   00:00:00  5kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qb4 f1Q 4.Qxa3+ 
  +/-  (1.00 ++)   Depth: 6   00:00:00  6kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qb4 f1Q 4.Qxa3+ 
  +-  (1.80 ++)   Depth: 6   00:00:00  6kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qb4 Qh7+ 4.Nh5 Qf7 5.Qxa3+ Kb8 6.Qa7+ Kc8 7.Qa8+ Kd7 8.Qxb7+ Ke8 
  +-  (2.52)   Depth: 6   00:00:00  7kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 Rg4+ 5.Kh3 Rg3+ 6.Kh4 Rg4+ 7.Kh3 Rg3+ 8.Kh4 Rg4+ 9.Kh3 Rg3+ 10.Kh4 Rg4+ 11.Kh3 Rg3+ 12.Kh4 Rg4+ 13.Kh3 Rg3+ 14.Kh4 Rg4+ 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 7   00:00:00  35kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 Rg4+ 5.Kh3 Rg3+ 6.Kh4 Rg4+ 7.Kh3 Rg3+ 8.Kh4 Rg4+ 9.Kh3 Rg3+ 10.Kh4 Rg4+ 11.Kh3 Rg3+ 12.Kh4 Rg4+ 13.Kh3 Rg3+ 14.Kh4 Rg4+ 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 8   00:00:00  45kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 Rg4+ 5.Kh3 Rg3+ 6.Kh4 Rg4+ 7.Kh3 Rg3+ 8.Kh4 Rg4+ 9.Kh3 Rg3+ 10.Kh4 Rg4+ 11.Kh3 Rg3+ 12.Kh4 Rg4+ 13.Kh3 Rg3+ 14.Kh4 Rg4+ 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 9   00:00:00  66kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 Rg4+ 5.Kh3 Rg3+ 6.Kh4 Rg4+ 7.Kh3 Rg3+ 8.Kh4 Rg4+ 9.Kh3 Rg3+ 10.Kh4 Rg4+ 11.Kh3 Rg3+ 12.Kh4 Rg4+ 13.Kh3 Rg3+ 14.Kh4 Rg4+ 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 10   00:00:00  106kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 Rg4+ 5.Kh3 Rg3+ 6.Kh4 Rg4+ 7.Kh3 Rg3+ 8.Kh4 Rg4+ 9.Kh3 Rg3+ 10.Kh4 Rg4+ 11.Kh3 Rg3+ 12.Kh4 Rg4+ 13.Kh3 Rg3+ 14.Kh4 Rg4+ 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 11   00:00:00  188kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 Rg4+ 5.Kh3 Rg3+ 6.Kh4 Rg4+ 7.Kh3 Rg3+ 8.Kh4 Rg4+ 9.Kh3 Rg3+ 10.Kh4 Rg4+ 11.Kh3 Rg3+ 12.Kh4 Rg4+ 13.Kh3 Rg3+ 14.Kh4 Rg4+ 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 12   00:00:00  362kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh3 Rg3+ 4.Kh4 Rg4+[] 5.Kh3 Rg3+ 6.Kh4 Rg4+[] 7.Kh3 Rg3+ 8.Kh4 Rg4+[] 9.Kh3 Rg3+ 10.Kh4 Rg4+[] 11.Kh3 Rg3+ 12.Kh4 Rg4+[] 13.Kh3 Rg3+ 14.Kh4 Rg4+[] 15.Kh3 Rg3+ 16.Kh4 
  =  (0.00)   Depth: 13   00:00:01  802kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh6 Rg6+ 9.Kh5 Rg5+ 10.Kh6 Rg6+ 11.Kh5 Rg5+ 12.Kh6 Rg6+ 13.Kh5 Rg5+ 14.Kh6 Rg6+ 15.Kh5 Rg5+ 16.Kh6 
  =  (0.12 ++)   Depth: 14   00:00:03  1641kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh6 Rg6+ 9.Kh5 Rg5+ 10.Kh6 Rg6+ 11.Kh5 Rg5+ 12.Kh6 Rg6+ 13.Kh5 Rg5+ 14.Kh6 Rg6+ 15.Kh5 Rg5+ 16.Kh6 
  +/=  (0.27 ++)   Depth: 14   00:00:03  1675kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh6 Rg6+ 9.Kh5 Rg5+ 10.Kh6 Rg6+ 11.Kh5 Rg5+ 12.Kh6 Rg6+ 13.Kh5 Rg5+ 14.Kh6 Rg6+ 15.Kh5 Rg5+ 16.Kh6 
  +/=  (0.67 ++)   Depth: 14   00:00:04  1922kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh6 Rg6+ 9.Kh5 Rg5+ 10.Kh6 Rg6+ 11.Kh5 Rg5+ 12.Kh6 Rg6+ 13.Kh5 Rg5+ 14.Kh6 Rg6+ 15.Kh5 Rg5+ 16.Kh6 
  +-  (1.47 ++)   Depth: 14   00:00:05  2083kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh6 Rg6+ 9.Kh5 Rg5+ 10.Kh6 Rg6+ 11.Kh5 Rg5+ 12.Kh6 Rg6+ 13.Kh5 Rg5+ 14.Kh6 Rg6+ 15.Kh5 Rg5+ 16.Kh6 
  +-  (3.07 ++)   Depth: 14   00:00:06  2524kN
1.b6 Qd2[] 2.Qxd2[] Rg4+[] 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh6 Rg6+ 9.Kh5 Rg5+ 10.Kh6 Rg6+ 11.Kh5 Rg5+ 12.Kh6 Rg6+ 13.Kh5 Rg5+ 14.Kh6 Rg6+ 15.Kh5 Rg5+ 16.Kh6 
  +-  (6.27 ++)   Depth: 14   00:00:16  6609kN, tb=4
1.b6 Qd2 2.Qxd2[] Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6[] Rg6+ 7.Kh5 Rg5+ 8.Kh4[] Rg4+ 9.Kh3[] Rg8 10.Qa5+[] Kb8 11.Qa7+[] Kc8 12.Qa8+[] Kd7 13.Qxb7+[] Kd6 14.Qc7+[] Kd5 15.Qd7+[] Kc5 16.Qd4+[] 
  +-  (8.60)   Depth: 14   00:00:33  12259kN, tb=66
1.b6 Qd2 2.Qxd2[] Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6[] Rg6+ 7.Kh5 Rg5+ 8.Kh4[] Rg4+ 9.Kh3[] Rg8 10.Qa5+[] Kb8 11.Qa7+[] Kc8 12.Qa8+[] Kd7 13.Qxb7+[] Kd6 14.Qc7+[] Kd5 15.Qd7+[] Kc5 16.Qd4+[] 
  +-  (8.60)   Depth: 15   00:00:34  13240kN, tb=66
1.b6 Qd2 2.Qxd2[] Rg4+ 3.Kh5 Rg5+ 4.Kh6[] Rg6+ 5.Kh7[] Rxg7+ 6.Kh6[] Rg6+ 7.Kh5[] Rg5+ 8.Kh4[] Rg4+ 9.Kh3[] Rg8 10.Qa5+[] Kb8 11.Qa7+[] Kc8 12.Qa8+[] Kd7 13.Qxb7+[] Kd6 14.Qc7+[] Kd5 15.Qd7+[] Kc5 16.Qd4+[] 
  +-  (10.33)   Depth: 16   00:01:29  29799kN, tb=353
1.b6 Qd2 2.Qxd2[] Rg4+[] 3.Kh5[] Rg5+[] 4.Kh6[] Rg6+[] 5.Kh7[] Rxg7+[] 6.Kh6[] Rg6+ 7.Kh5[] Rg5+ 8.Kh4[] Rg4+ 9.Kh3[] Rg8[] 10.Qa5+[] Kb8 11.Qa7+[] Kc8 12.Qa8+[] Kd7 13.Qxb7+[] Kd6 14.Qc7+[] Kd5 15.Qd7+[] Kc5 16.Qd4+[] 
  +-  (10.33)   Depth: 17   00:02:09  45878kN, tb=435
1.b6 Qd2 2.Qxd2[] Rg4+ 3.Kh5[] Rg5+ 4.Kh6[] Rg6+ 5.Kh7[] Rxg7+ 6.Kh6[] Rg6+ 7.Kh5[] Rg5+ 8.Kh4[] Rg4+ 9.Kh3[] Rg8 10.Qa5+[] Kb8 11.Qa7+[] Kc8 12.Qa8+[] Kd7 13.Qxb7+[] Kd6 14.Qc7+[] Kd5 15.Qd7+[] Kc5 16.Qd4+[] 
  +-  (10.67)   Depth: 18   00:04:10  90647kN, tb=897

(, chessengines20 10.08.2010)
hi, merhaba, hallo HT
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beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Can any engine solve this problem ?

Post by beachknight »

Code: Select all

5: 
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Deep Fritz 11:

1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 b2 6.Qf8+ Kd7 7.Qe8+ Kd6 8.Qd8+ Kc5 9.Qc7+ Kb4 10.Qxc2 f1Q 11.Rg4+ 
  +-  (2.62)   Depth: 11/27   00:00:00  220kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 b2 6.Qf8+ Kd7 7.Qe8+ Kd6 8.Qd8+ Kc5 9.Qc7+ Kb4 10.Qxc2 f1Q 11.Rg4+ 
  +-  (2.62)   Depth: 12/27   00:00:00  254kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 13/45   00:00:00  890kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 14/26   00:00:00  1268kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 15/27   00:00:00  1548kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 16/30   00:00:00  2291kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 17/33   00:00:00  3553kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 18/35   00:00:00  6754kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 19/38   00:00:01  12405kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 20/39   00:00:02  22659kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 21/37   00:00:04  43140kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 
  =  (0.00)   Depth: 22/41   00:00:09  86981kN, tb=11
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 4.Kh4 
  =  (0.00)   Depth: 23/42   00:00:23  194mN, tb=33
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh3 Rg3+ 
  =  (0.00)   Depth: 24/44   00:00:50  420mN, tb=249
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh4 Rg4+ 9.Kh3 Rg8 10.Qa5+ Kb8 11.Qa7+ Kc8 12.Qa8+ Kd7 13.Qxb7+ Kd6 14.Qc7+ Kd5 15.Qd7+ Kc5 
  +-  (5.43)   Depth: 25/50   00:01:57  996mN, tb=1196
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh4 Rg4+ 9.Kh3 Rg8 10.Qa5+ Kb8 11.Qa7+ Kc8 12.Qa8+ Kd7 13.Qxb7+ Kd6 14.Qc7+ Kd5 15.Qd7+ Kc5 
  +-  (5.43)   Depth: 26/55   00:02:56  1517mN, tb=1720
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh4 Rg4+ 9.Kh3 Rg8 10.Qa5+ Kb8 11.Qa7+ Kc8 12.Qa8+ Kd7 13.Qxb7+ Kd6 14.Qc7+ Kd5 15.Qd7+ Kc5 
  +-  (5.21)   Depth: 27/54   00:04:58  2588mN, tb=3291

(, chessengines20 10.08.2010)
hi, merhaba, hallo HT
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beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Can any engine solve this problem ?

Post by beachknight »

Code: Select all

5: 
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Deep Fritz 12:

1.b6 Rg4+ 2.Qxg4 Qc2 3.Qxe6 Qh7+ 4.Nh5 Qh8 5.Rxg2 f1Q 6.Rg8+ Qf8 7.Rxh8 Qxh8 8.Qxb3 
  +-  (1.89)   Depth: 11/29   00:00:00  106kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qb4 Qh7+ 4.Nh5 Qh8 5.Qxa3+ Kb8 6.Qa7+ Kc8 7.Rxg2 Qxh5+ 8.Kxh5 f1Q 9.Qa8+ 
  +-  (5.61)   Depth: 12/32   00:00:00  272kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 13/29   00:00:00  382kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 
  =  (0.00)   Depth: 14/32   00:00:00  722kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 15/32   00:00:00  1167kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 16/42   00:00:00  2706kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 17/41   00:00:00  7478kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 18/40   00:00:02  20024kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 19/50   00:00:05  41699kN, tb=2
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh5 Rg5+ 
  =  (0.00)   Depth: 20/45   00:00:11  82603kN, tb=13
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh4 Rg4+ 9.Kh3 Rg8 10.Qa5+ Kb8 11.Qa7+ Kc8 12.Qa8+ Kd7 13.Qxb7+ Kd6 14.Qc7+ Kd5 15.Qd7+ Kc5 
  +-  (5.56)   Depth: 21/48   00:00:26  197mN, tb=80
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh6 Rg6+ 5.Kh7 Rxg7+ 6.Kh6 Rg6+ 7.Kh5 Rg5+ 8.Kh4 Rg4+ 9.Kh3 Rg8 10.Qa5+ Kb8 11.Qa7+ Kc8 12.Qa8+ Kd7 13.Qxb7+ Kd6 14.Qc7+ Kd5 15.Qd7+ Kc5 
  +-  (5.40)   Depth: 22/51   00:00:39  288mN, tb=210

(, chessengines20 10.08.2010)
hi, merhaba, hallo HT
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beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Can any engine solve this problem ?

Post by beachknight »

Code: Select all

5: 
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Stockfish 1.8 JA 64bit:

1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 6   00:00:00  9kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 7   00:00:00  10kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 8   00:00:00  12kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 9   00:00:00  23kN
1.b6 Rg4+ 
  =  (0.08 ++)   Depth: 9   00:00:00  58kN
1.b6 Rg4+ 
  =  (0.16 ++)   Depth: 9   00:00:00  59kN
1.b6 Rg4+ 
  +/=  (0.32 ++)   Depth: 9   00:00:00  62kN
1.b6 Rg4+ 
  +/=  (0.64 ++)   Depth: 9   00:00:00  74kN
1.b6 Rg4+ 
  +/-  (1.29 ++)   Depth: 9   00:00:00  81kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 10   00:00:00  106kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 11   00:00:00  122kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 12   00:00:00  149kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 13   00:00:00  220kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 14   00:00:00  359kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 15   00:00:00  761kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 16   00:00:00  1578kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 17   00:00:00  2613kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 18   00:00:01  5550kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 19   00:00:02  11278kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 20   00:00:04  21930kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 21   00:00:11  52746kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 22   00:00:19  92680kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 23   00:00:40  191mN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 24   00:01:16  357mN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 
  =  (0.00)   Depth: 25   00:01:58  564mN

(, chessengines20 10.08.2010)
hi, merhaba, hallo HT
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User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Can any engine solve this problem ?

Post by beachknight »

Code: Select all

5: 
k7/1p4N1/4p3/1P6/7K/pp2P1r1/q4ppR/3Q4 w - - 0 1

Analysis by Houdini 1.03a x64 4_CPU:

1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 6/19   00:00:00  4kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 7/19   00:00:00  5kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 8/19   00:00:00  7kN
1.b6 Rg4+ 2.Qxg4 g1Q 3.Qa4+ Kb8 4.Qf4+ 
  =  (0.05 ++)   Depth: 8/19   00:00:00  10kN
1.b6 Rg4+ 2.Qxg4 g1Q 3.Qa4+ Kb8 4.Qf4+ 
  =  (0.15 ++)   Depth: 8/19   00:00:00  10kN
1.b6 Rg4+ 2.Qxg4 g1Q 3.Qa4+ Kb8 4.Qf4+ 
  +/=  (0.39 ++)   Depth: 8/19   00:00:00  10kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 8/19   00:00:00  17kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 9/22   00:00:00  26kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 10/31   00:00:00  43kN
1.Qd8+ Ka7 2.Qa5+ Kb8 3.Qd8+ Ka7 4.Qa5+ 
  =  (0.00)   Depth: 11/33   00:00:00  78kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 a2 6.Rg5 a1Q 7.Qf8+ 
  =  (0.05 ++)   Depth: 11/33   00:00:00  91kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 a2 6.Rg5 a1Q 7.Qf8+ 
  =  (0.15 ++)   Depth: 11/33   00:00:00  94kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 a2 6.Rg5 a1Q 7.Qf8+ 
  +/=  (0.39 ++)   Depth: 11/33   00:00:00  103kN
1.b6 Rg4+ 2.Qxg4 Qc2 3.Qa4+ Kb8 4.Qf4+ Kc8 5.Rxg2 a2 6.Rg5 f1R 7.Qxf1 Qe4+ 8.Rg4 
  +/-  (1.24 ++)   Depth: 11/35   00:00:00  124kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 11/41   00:00:00  298kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 12/41   00:00:00  320kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 13/41   00:00:00  709kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 14/41   00:00:00  1365kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 15/47   00:00:00  2783kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 16/48   00:00:01  6127kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 17/51   00:00:03  13481kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 18/53   00:00:07  28054kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 19/59   00:00:13  49391kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 20/59   00:00:24  90305kN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 21/59   00:00:47  179mN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 22/65   00:01:49  421mN
1.b6 Qd2 2.Qxd2 Rg4+ 3.Kh5 Rg5+ 4.Kh4 Rg4+ 5.Kh5 
  =  (0.00)   Depth: 23/67   00:04:51  1131mN

(, chessengines20 10.08.2010)
hi, merhaba, hallo HT
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