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Subject: .White Mates in 5 Moves .. Anyone find a forced Mate?

Author: chandler yergin

Date: 10:22:38 11/28/05

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[D]rn1qr1k1/pbp2pb1/1p4B1/3p4/3P4/2N1PN2/PPQ2PP1/R3K2R b - - 0 1
New game,


Analysis by Shredder 8:

1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 5/5   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 5/5   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 5/5   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 5/5   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 5/5   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 5/5   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Qe7 4.Kd1 Kf8
  =  (0.17)   Depth: 6/6   00:00:00
1...fxg6 2.Qxg6 Nd7 3.Ng5 Kf8
  ²  (0.42)   Depth: 7/18   00:00:02  16kN
1...fxg6 2.Qxg6 Qe7 3.Ng5 Qf6 4.Qxe8+ Bf8
  ±  (0.91)   Depth: 7/22   00:00:03  50kN
1...fxg6 2.Qxg6 Qe7 3.Ng5 Qf6 4.Qxe8+ Bf8 5.Ne2 Qxf2+ 6.Kxf2
  ±  (1.16)   Depth: 8/29   00:00:05  116kN
1...fxg6 2.Qxg6 Qe7 3.Ng5 Qf6 4.Qxe8+ Bf8 5.Ne2 Qxd4 6.exd4
  +-  (1.66)   Depth: 8/29   00:00:05  160kN
1...fxg6 2.Qxg6 Kf8 3.Ng5 Qd7 4.Nh7+ Ke7 5.Qxg7+ Kd8 6.Qg5+ Qe7 7.Qxe7+ Kxe7
8.Rh6 Kd8
  +-  (3.46)   Depth: 8/32   00:00:06  300kN
1...c5 2.Bh7+ Kf8 3.Qf5 cxd4 4.Ng5 Qf6 5.Nxd5 Qxf5 6.Ne6+
  +-  (3.45)   Depth: 8/32   00:00:06  415kN
1...c5 2.Bh7+ Kf8 3.Qf5 cxd4 4.Ng5 Qf6 5.Nxd5 Qxf5 6.Ne6+
  +-  (3.10)   Depth: 8/32   00:00:06  435kN
1...c5 2.Bh7+ Kf8 3.Rd1 Na6 4.Qf5 Qf6 5.Qd7 Qe7
  +-  (1.63)   Depth: 8/32   00:00:06  538kN
1...c6 2.Bh7+ Kf8 3.Kd2 Re7 4.Qe4 dxe4
  +-  (1.62)   Depth: 8/32   00:00:07  587kN
1...c6 2.Bh5 Kf8 3.Qh7 Qf6 4.Kd2 Qxd4+ 5.exd4 Re2+ 6.Nxe2
  +-  (1.62)   Depth: 8/32   00:00:07  622kN
1...c6 2.Bh7+ Kf8 3.Kd2 Re7 4.Rad1 Ba6 5.Kc1
  +-  (1.87)   Depth: 9/24   00:00:08  784kN
1...c6 2.Bh7+ Kf8 3.Kd2 Re7 4.Rad1 Ke8 5.Kc1 Qd6 6.Kb1
  +-  (1.91)   Depth: 9/30   00:00:08  837kN
1...c5 2.Bh7+ Kf8 3.Rd1 Na6 4.Qf5 Qf6 5.Qd7 Qe7 6.Qe6 fxe6
  +-  (1.90)   Depth: 9/30   00:00:08  957kN
1...c5 2.Bh7+ Kf8 3.Rd1 cxd4 4.Nxd4 Qg5 5.g3 Rc8 6.Qf5 Qxf5 7.Nxf5 Bxc3+ 8.bxc3
Rxc3
  +-  (1.62)   Depth: 9/30   00:00:09  1165kN
1...c5 2.Bh7+ Kf8 3.Rd1 Nc6 4.dxc5 Nb4 5.Qf5 bxc5 6.Qf6 Qxf6
  ±  (1.37)   Depth: 10/31   00:00:11  1700kN
1...c5 2.Bh7+ Kf8 3.Ne2 cxd4 4.Nexd4 Qd6 5.Rd1 Rc8 6.Qf5 Ke8 7.Kf1 Ba6+ 8.Kg1
  ±  (1.32)   Depth: 10/31   00:00:12  2139kN
1...c5 2.Bh7+ Kf8 3.Ne2 Re7 4.dxc5 Rc7 5.Ned4 bxc5 6.Nf5 Qf6 7.Nxg7 Qc3+ 8.Qxc3
  ±  (1.33)   Depth: 11/35   00:00:16  3532kN
1...c5 2.Qf5 fxg6 3.Qxg6 Qe7 4.Ng5 Qxg5 5.Qxg5 Re5 6.dxe5
  +-  (1.58)   Depth: 12/34   00:00:23  5404kN
1...c5 2.Qf5 Qd7 3.Bh7+ Kf8 4.Rd1 Qxf5 5.Bxf5 Na6 6.Rh7 Nb4 7.a3 Bf6
  +-  (1.78)   Depth: 12/40   00:00:28  7393kN
1...Na6 2.Bh7+ Kf8 3.Kd2 c5 4.Rae1 cxd4 5.Nxd4 Nb4 6.Nf5 Nxc2
  +-  (1.77)   Depth: 12/40   00:00:34  9392kN
1...Na6 2.Bh7+ Kf8 3.Qf5 Qf6 4.Nb5 Nb4 5.Nxc7 Rxe3+ 6.fxe3 Qh4+ 7.Rxh4
  +-  (1.76)   Depth: 12/40   00:00:37  10307kN
1...Na6 2.Bh7+ Kf8 3.Qf5 Qf6 4.Nb5 Ke7 5.Rh5 Qxf5 6.Bxf5 c6 7.Rh7 Rg8 8.Nc3 Rae8
  +-  (1.64)   Depth: 13/41   00:00:51  14654kN
1...Na6 2.Bh7+ Kf8 3.Qf5 Qf6 4.Qxf6 Bxf6 5.Bf5 c5 6.Rd1 Ke7 7.dxc5 Nxc5 8.Nxd5+
Bxd5 9.Rxd5 Bxb2 10.Rh7
  +-  (1.80)   Depth: 14/42   00:01:12  21874kN
1...c5 2.Qf5 Qd7 3.Bh7+ Kf8 4.Rd1 Qxf5 5.Bxf5 cxd4 6.Nxd4 Nc6 7.Nxc6 Bxc6 8.Nxd5
Bxd5
  +-  (1.79)   Depth: 14/44   00:01:34  29984kN
1...c5 2.Qf5 Qd7 3.Bh7+ Kf8 4.Qf4 Ke7 5.Rh5 f6 6.dxc5 bxc5 7.Rd1 Kf7 8.Nxd5 Qxd5
9.Rhxd5 Rxe3+
  +-  (1.79)   Depth: 14/44   00:01:43  32757kN
1...c5 2.Rd1 Nd7 3.Bf5 Kf8 4.Nb5 Re7 5.Ng5 cxd4 6.Nd6 Nc5 7.Nxb7 Rxb7 8.Qc4
  +-  (1.73)   Depth: 15/44   00:04:47  92979kN

(,  28.11.2005)
[D]rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w - - 0 1
New game,


Analysis by Shredder 8:

1.Bxg6 c5
  +-  (1.73)   Depth: 1/1   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 6/6   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 6/6   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 6/6   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 6/6   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 6/6   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 6/6   00:00:00
1.Bxg6 c5
  +-  (1.73)   Depth: 7/8   00:00:00  8kN
1.Bxg6 c5
  +-  (1.73)   Depth: 8/8   00:00:00  16kN
1.Bxg6 c5
  +-  (1.73)   Depth: 9/9   00:00:01  16kN
1.Bxg6 c5
  +-  (1.73)   Depth: 10/10   00:00:01  25kN
1.Bxg6 c5
  +-  (1.73)   Depth: 11/11   00:00:02  62kN
1.Bxg6 c5
  +-  (1.73)   Depth: 12/12   00:00:02  144kN
1.Bxg6 c5
  +-  (1.73)   Depth: 13/22   00:00:03  320kN
1.Bxg6 c5
  +-  (1.73)   Depth: 14/15   00:00:04  457kN
1.Bxg6 c5
  +-  (1.73)   Depth: 15/20   00:00:05  786kN
1.Bxg6 c5 2.g3 fxg6 3.Qxg6 cxd4 4.Qf7+
  +-  (1.73)   Depth: 16/37   00:00:10  2119kN
1.Bxg6 c5 2.Bh7+ Kf8 3.Rd1 Na6 4.Qf5 Qf6 5.Qxf6 Bxf6 6.Bf5 Bg7 7.Rh7 Nb4 8.Kf1
Ba6+ 9.Kg1
  +-  (1.81)   Depth: 17/49   00:03:16  61215kN

(,  28.11.2005)
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "[D]rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w - - 0 1"]
[PlyCount "3"]

1. Bxg6 {Shredder 8: 1)} c5 ({Shredder 8: 2)} 1... Na6 2. Bh7+ Kf8 3. Qf5 c5 4.
Ne5 Bxe5 5. dxe5 Rxe5 6. Qxe5 Qc7 7. Qxc7 {[%eval 188,13]}) ({Shredder 8: 3)}
1... c6 2. Bh7+ Kf8 3. Kd2 c5 4. Rad1 cxd4 5. exd4 Nd7 6. Kc1 Qf6 7. Kb1 Rac8
8. Rde1 Rxe1+ 9. Rxe1 Qf4 {[%eval 196,13]}) 2. Rd1 {[%eval 173,13]} *







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