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Subject: Drawn endgame?

Author: pavel

Date: 16:31:23 05/30/02


I, with my patzer knowledge think that black can still quize a win here.
But am I wrong? Is there something obvious that I am missing?





Hiarcs 8 - Fritz 7
[D]8/8/5P2/1K6/8/1P1k2Bp/7P/5r2 b - - 0 1

Analysis by Fritz 7:

46...Rxf6 47.b4 Rf5+ 48.Kc6 Kc4 49.Bd6 Rb5 50.Be7 Re5
  µ  (-0.72)   Depth: 8/15   00:00:00  24kN
46...Rxf6 47.b4 Rf5+ 48.Kc6 Kc4 49.Bd6 Rb5 50.Kd7 Kd5 51.Bc5
  µ  (-0.91)   Depth: 9/17   00:00:00  63kN
46...Rxf6 47.b4 Rf5+ 48.Kc6 Kc4 49.Bd6 Rb5 50.Bc5 Rb8 51.Bd6 Rc8+ 52.Kb6
  ³  (-0.69)   Depth: 10/17   00:00:00  79kN
46...Rxf6 47.b4 Rg6 48.Bf4 Ke4 49.Bc7 Kd5 50.Ka5 Rc6 51.Bf4 Kc4 52.Be3 Rg6
  ³  (-0.69)   Depth: 11/18   00:00:00  194kN, tb=1
46...Rxf6 47.b4 Rg6 48.Bf4 Ke4 49.Bc7 Kd5 50.Bf4 Rg2 51.Bc7 Rb2 52.Ka5
  µ  (-0.75)   Depth: 12/20   00:00:01  388kN, tb=13
46...Rxf6 47.b4 Rg6 48.Bf4 Ke4 49.Bc7 Kd5 50.Bf4 Rg2 51.Kb6 Rg4
  µ  (-0.81)   Depth: 13/21   00:00:02  735kN, tb=31
46...Rxf6 47.b4 Rg6 48.Bf4 Ke4 49.Bc7 Kd5 50.Bf4 Rg2 51.Bc7 Rg5 52.Kb6
  µ  (-0.81)   Depth: 14/23   00:00:03  1396kN, tb=82
46...Rxf6 47.b4 Rg6 48.Bf4 Ke4 49.Bc7 Kd5 50.Bf4 Rg2 51.Bc7 Rb2 52.Bf4 Ke4
53.Bd6 Kd5
  µ  (-0.78)   Depth: 15/25   00:00:06  2713kN, tb=178
46...Kd4!
  µ  (-0.81)   Depth: 15/27   00:00:07  3451kN, tb=195
46...Kd4 47.b4 Rxf6 48.Bc7 Kd5 49.Bb6 Rf1 50.Bc7 Rb1 51.Bf4 Rb2 52.Bc7 Rg2
53.Kb6
  µ  (-0.78)   Depth: 16/27   00:00:12  6139kN, tb=321
46...Rxf6!
  µ  (-0.81)   Depth: 16/27   00:00:14  6797kN, tb=361
46...Rxf6 47.b4 Rf5+ 48.Kc6 Kc4 49.Bd6 Rg5 50.Bf4 Rb5 51.Bd6
  µ  (-0.81)   Depth: 17/29   00:00:23  11186kN, tb=863
46...Rxf6 47.b4 Rg6 48.Bf4 Kd4 49.Bc7 Kd5 50.Bf4 Rg2 51.Bc7 Rg8 52.Bb6
  µ  (-0.81)   Depth: 18/31   00:00:44  22134kN, tb=2244
46...Rxf6 47.b4 Rg6 48.Bf4 Kd4 49.Bc7 Kc3 50.Bf4 Kd4 51.Bc7 Kc3 52.Bf4 Kd4
53.Bc7 Kc3
  µ  (-0.84)   Depth: 19/31   00:01:18  37682kN, tb=4430
46...Rxf6!
  µ  (-1.13)   Depth: 20/34   00:02:05  58167kN, tb=7568
46...Rxf6--
  µ  (-0.84)   Depth: 21/35   00:03:39  103807kN, tb=15498
46...Rxf6
  µ  (-0.84)   Depth: 21/35   00:03:46  107467kN, tb=16100
46...Rxf6
  µ  (-0.84)   Depth: 21/40   00:05:39  162135kN, tb=26480

(Mahamood, home 30.05.2002)

Though Hiarcs eval seems to be a slightly better for black, but I am not really
convinced, that this can turn out to be a win.

After Rxf6 eval by Hiarcs8:

Hiarcs 8 - Fritz 7
8/8/5r2/1K6/8/1P1k2Bp/7P/8 w - - 0 1

Analysis by Hiarcs 8:

47.Be5 Rf5
  ³  (-0.63)   Depth: 1   00:00:00
47.Be5 Rf5
  µ  (-1.30)   Depth: 2/6   00:00:00
47.Be5 Rf5 48.Kc5 Rxe5+ 49.Kd6
  -+  (-4.56)   Depth: 2/8   00:00:00
47.Kc5 Rf5+ 48.Kc6 Rf6+
  µ  (-1.06)   Depth: 2/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 2/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 3/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 4/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 5/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 6/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 7/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 8/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 9/8   00:00:00
47.b4 Kd4
  µ  (-0.95)   Depth: 10/8   00:00:00  1kN
47.b4 Kd4
  µ  (-0.95)   Depth: 11/8   00:00:00  1kN, tb=8
47.b4 Kd4
  µ  (-0.95)   Depth: 12/8   00:00:00  1kN, tb=8
47.b4 Kd4
  µ  (-0.95)   Depth: 13/18   00:00:00  4kN, tb=8
47.b4 Kd4
  µ  (-0.95)   Depth: 14/18   00:00:00  5kN, tb=8
47.b4 Kd4 48.Bc7 Rg6 49.Bb6+ Kd5 50.Be3 Rg2 51.Bf4 Rg7 52.Be3 Rb7+
  µ  (-0.98)   Depth: 15/30   00:01:27  14389kN, tb=15039
47.b4 Rg6
  µ  (-1.23)   Depth: 16/32   00:03:48  38439kN, tb=32567
47.b4 Rg6 48.Bb8 Kc3 49.Be5+ Kb3 50.Bf4 Rf6 51.Be3 Rd6 52.Bf2 Rd2 53.Bg3 Rd4
54.Be1 Rd5+ 55.Kc6 Rd1 56.Bf2 Rc1+
  -+  (-1.52)   Depth: 16/34   00:05:34  52568kN, tb=45450
47.b4 Rg6
  -+  (-1.77)   Depth: 17/34   00:09:09  85949kN, tb=63741

(Mahamood, home 30.05.2002)



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