MESON Chess Problem Database

Problem Display
PID: 197681 (8/1p6/1K6/3p4/k7/1p3B2/N1R5/2B5 w - - 0 1)

Viskov, Anatoly

Zadachi i Etyudi, 1997

8/1p6/1K6/3p4/k7/1p3B2/N1R5/2B5

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Rc4#
  • Tries
    • 1.Rc3?
      • 1...b2
        • 2.Bd1#
      • 1...d4
        • 2.Rc4#
      • 1...bxa2!
  • Keys
    • 1.Bd1!
      • 1...bxa2
        • 2.Rc4#
      • 1...bxc2
        • 2.Bxc2#
      • 1...b2
        • 2.Rc3#
      • 1...d4
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::R(C)
  • Tries
    • Try
      • R(C);
      • Vars
        • P(a);OGATEB::B(D)
        • P(c);N_GUARD::R(C)
      • Refutation
        • P(a);XS(B)
  • Actual
    • B(D);
    • Vars
      • P(a);XS(B)::B(D)+R(C),DCHECK
      • P(a);OGATE,P_SPINP(a),XR(C)::B(D),XP(a)
      • P(a);OGATEB::B(D)+R(C)
      • P(c);N_GUARD::R(C)
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