MESON Chess Problem Database

Problem Display
PID: 171340 (3kBN2/5K2/2R5/2n5/8/8/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Smena, 1995

3kBN2/5K2/2R5/2n5/8/8/8/8

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Se6#
    • 1...Sd3
      • 2.Se6#
    • 1...Sa4
      • 2.Se6#
    • 1...Se4
      • 2.Se6#
    • 1...Sa6
      • 2.Se6#
    • 1...Se6
      • 2.Sxe6#
    • 1...Sb7
      • 2.Se6#
    • 1...Sd7
      • 2.Se6#
  • Tries
    • 1.Rc7?
      • 1...Sb3
        • 2.Se6#
      • 1...Sd3
        • 2.Se6#
      • 1...Sa4
        • 2.Se6#
      • 1...Se4
        • 2.Se6#
      • 1...Sa6
        • 2.Se6#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sb7
        • 2.Se6#
      • 1...Sd7
        • 2.Se6#
      • 1...Kxc7!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Rc8#
      • 1...Sxd7
        • 2.Se6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • S(a);N_GUARD::S(D)
    • S(a);N_GUARD::S(D),XS(a)
  • Tries
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::S(D)
        • S(a);N_GUARD::S(D),XS(a)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
  • Actual
    • B(C);
    • Threat
      • R1(A)
    • Vars
      • S(a);N_GUARD,SBLOCK,XB(C)::S(D)
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