MESON Chess Problem Database

Problem Display
PID: 86812 (8/8/3R1R2/1p2k3/4b3/4K3/2N5/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Nikolaev-200 JT, 1989

8/8/3R1R2/1p2k3/4b3/4K3/2N5/8

#2

4 + 3

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se1?
      • 1...Bb1
        • 2.Sf3#
      • 1...Bh1
        • 2.Sd3#
      • 1...Bc2
        • 2.Sf3#
      • 1...Bg2
        • 2.Sd3#
      • 1...Bd3
        • 2.Sxd3#
        • 2.Sf3#
      • 1...Bf3
        • 2.Sd3#
        • 2.Sxf3#
      • 1...Bd5
        • 2.Sd3#
      • 1...Bf5
        • 2.Sf3#
      • 1...Bc6
        • 2.Sd3#
      • 1...Bg6
        • 2.Sf3#
      • 1...Bb7
        • 2.Sd3#
      • 1...Bh7
        • 2.Sf3#
      • 1...Ba8
        • 2.Sd3#
      • 1...b4!
    • 1.Sd4?
      • threat
        • 2.Rfe6#
      • 1...Bf5
        • 2.Sf3#
        • 2.Sc6#
      • 1...Bd5!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Rde6#
      • 1...Bd5
        • 2.Sd3#
      • 1...Bf5
        • 2.Sc6#

This anticipates 88757(1992)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • B(a);N_GUARD::S(A)
      • Refutation
        • P(b);
    • Try
      • S(A);
      • Threat
        • R1(D)
      • Refutation
        • B(a);
  • Actual
    • S(A);
    • Threat
      • R1(C)
    • Vars
      • B(a);N_GUARD::S(A)
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