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Subject: Engine Test ...Bxe3!!!

Author: John Jack

Date: 02:44:36 11/19/05


Can Your Engines Find Bxe3



347944: Sunye Neto,J - Kasparov,G, WchT U26 Graz 1981
[D]6k1/5pp1/1p5p/2b3r1/P3pN2/1Q2Pn1P/1B1r1PP1/5K2 b - - 0 1

Analysis by Fruit 2.2.1:

42...Ne5 43.Bxe5 Rxe5
  ³  (-0.28)   Depth: 2/9   00:00:00
42...Rd3 43.Qa2 Rd1+ 44.Ke2
  ³  (-0.38)   Depth: 2/9   00:00:00
42...Rd3 43.Qa2 Rd1+ 44.Ke2
  ³  (-0.38)   Depth: 2/9   00:00:00
42...Rd3 43.Qc2 Nd2+ 44.Kg1
  =  (-0.20)   Depth: 3/10   00:00:00
42...Rd3 43.Qc2 Rd2 44.Qb3
  =  (0.00)   Depth: 4/11   00:00:00
42...Rd3 43.Qc2 Nd2+ 44.Kg1 Rd8 45.Bc3
  =  (-0.13)   Depth: 5/11   00:00:00
42...Rd3 43.Qc2 Rd2 44.Qb3
  =  (0.00)   Depth: 6/13   00:00:00  20kN
42...Rd3 43.Qc2 Rd2 44.Qc1 Nh2+ 45.Kg1 Nf3+ 46.Kh1 Rxf2 47.gxf3 exf3
  ²  (0.44)   Depth: 7/15   00:00:00  46kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Nf3+ 46.Kf1
  =  (0.00)   Depth: 7/20   00:00:00  115kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Nf3+ 46.Kf1
  =  (0.00)   Depth: 8/23   00:00:00  174kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Nf3+ 46.Kf1
  =  (0.00)   Depth: 9/23   00:00:00  306kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Nf3+ 46.Kf1
  =  (0.00)   Depth: 10/24   00:00:01  538kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Nf3+ 46.Kf1
  =  (0.00)   Depth: 11/28   00:00:02  1010kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Nf3+ 46.Kf1
  =  (0.00)   Depth: 12/28   00:00:03  1930kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Rg1+ 45.Kf2 Ne1 46.Qc8+ Kh7 47.Bd4 Nd3+ 48.Ke2
Rc1 49.Qe8 Nxf4+ 50.Kd2 Rc4 51.Qxe4+ Ng6 52.h4
  µ  (-0.87)   Depth: 13/37   00:00:10  6603kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Rg1+ 45.Kf2 Rc5 46.Qb4 Rc2+ 47.Ne2 Re1 48.Qxe4
Rxb2 49.Qe8+ Kh7 50.Qe4+ g6 51.Qxf3 Rbxe2+ 52.Qxe2 Rxe2+ 53.Kxe2 Kg7
  µ  (-1.06)   Depth: 14/37   00:00:16  11443kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Rg1+ 45.Kf2 Rc5 46.Qb4 Rc2+ 47.Ne2 Re1 48.Qxe4
Rxb2 49.Qe8+ Kh7 50.Qe4+ g6 51.Qxf3 Rbxe2+ 52.Qxe2 Rxe2+ 53.Kxe2 Kg7 54.Kd3
  µ  (-1.14)   Depth: 15/39   00:00:27  19564kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Rg1+ 45.Kf2 Rc5 46.Qb4 Rc2+ 47.Ne2 Re1 48.Qxe4
Rxb2 49.Qe8+ Kh7 50.Qe4+ g6 51.Qxf3 Rbxe2+ 52.Qxe2 Rxe2+ 53.Kxe2 Kg7 54.Kd3 Kf6
  µ  (-1.18)   Depth: 16/40   00:00:45  33170kN



347944: Sunye Neto,J - Kasparov,G, WchT U26 Graz 1981
[D]6k1/5pp1/1p5p/2b3r1/P3pN2/1Q2Pn1P/1B1r1PP1/5K2 b - - 0 1

Analysis by Fritz 9:

42...Rd3 43.Qc2 Nd2+ 44.Kg1 Nf3+ 45.Kf1
  =  (0.00)   Depth: 7/22   00:00:00  45kN
42...Rd3--
  ²  (0.28)   Depth: 8/20   00:00:00  82kN
42...Rd3 43.Qc2 Nh2+ 44.Kg1 Nf3+ 45.Kh1 Ne1
  ²  (0.32)   Depth: 8/29   00:00:00  153kN
42...Nh2+!
  ²  (0.32)   Depth: 8/29   00:00:00  162kN
42...Nh2+!
  =  (0.16)   Depth: 8/29   00:00:00  167kN
42...Nh2+ 43.Kg1 Nf3+
  =  (0.00)   Depth: 8/29   00:00:00  177kN
42...Nh2+ 43.Kg1 Nf3+
  =  (0.00)   Depth: 9/23   00:00:00  233kN
42...Nh2+ 43.Kg1 Nf3+
  =  (0.00)   Depth: 10/24   00:00:00  482kN
42...Bxe3!
  =  (-0.01)   Depth: 10/29   00:00:00  820kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3
  =  (-0.02)   Depth: 10/29   00:00:00  876kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3
  =  (-0.02)   Depth: 11/25   00:00:01  1293kN
42...Bxe3!
  ³  (-0.30)   Depth: 12/33   00:00:02  2436kN
42...Bxe3!
  ³  (-0.58)   Depth: 12/33   00:00:02  2544kN
42...Bxe3!
  µ  (-1.14)   Depth: 12/34   00:00:02  2723kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Rh2 46.Ne2 Nf3+ 47.Kf1 Kh7 48.Qb4
Rh1+ 49.Kf2 f5 50.Qf8 Nd2 51.Ng3 Rh2+ 52.Ke1 Nf3+ 53.Kf1 Rxb2 54.Ne2 Rb1+
  -+  (-3.32)   Depth: 12/44   00:00:04  4651kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Nd2+ 45.Ke1 Rh2 46.Ne2 Nf3+ 47.Kf1
  -+  (-3.32)   Depth: 13/32   00:00:06  6722kN
42...Bxe3!
  -+  (-3.60)   Depth: 14/37   00:00:09  10171kN
42...Bxe3!
  -+  (-3.88)   Depth: 14/43   00:00:10  11008kN
42...Bxe3 43.fxe3 Rdxg2 44.Qc3 Rh2 45.Ne2 Kh7 46.Qb4 f5 47.Qf8 Rh1+ 48.Kf2
  -+  (-3.89)   Depth: 14/43   00:00:10  12096kN
42...Bxe3--
  -+  (-3.61)   Depth: 15/40   00:00:19  22032kN
42...Bxe3 43.fxe3 Rdxg2
  -+  (-3.61)   Depth: 15/73   00:00:29  33302kN

John E Jack



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