MESON Chess Problem Database

Problem Display
PID: 242262 (8/2K5/p1P5/kp1pQ2R/1NP5/1P1P4/P7/8 w - - 0 1)

Kisis, Imants J

Revista Romana de Sah, 1983

8/2K5/p1P5/kp1pQ2R/1NP5/1P1P4/P7/8

#2

9 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd5?
      • 1...b4
        • 2.Sc3#
        • 2.Se3#
        • 2.Sf4#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Se7#
      • 1...bxc4!
    • 1.Qc3?
      • 1...bxc4
        • 2.Rxd5#
      • 1...dxc4
        • 2.Sc2#
      • 1...d4!
    • 1.Qe1?
      • 1...bxc4
        • 2.Rxd5#
      • 1...d4
        • 2.Sc2#
      • 1...dxc4!
  • Keys
    • 1.Sc2!
      • 1...bxc4
        • 2.Qxd5#
      • 1...dxc4
        • 2.Qc3#
      • 1...b4
        • 2.Qxd5#
      • 1...d4
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);XP(c)
      • Refutation
        • P(b);XP(E)
    • Try
      • Q(F);
      • Vars
        • P(b);OGATEB,P_SPINP(c),XP(E)::R(G),XP(c)
        • P(c);P_SPINP(b),XP(E)::QAB(F)+S(D)
      • Refutation
        • P(c);P_SPINP(b)
    • Try
      • Q(F);
      • Vars
        • P(b);OGATEB,P_SPINP(c),XP(E)::R(G),XP(c)
        • P(c);P_SPINP(b)::QAB(F)+S(D)
      • Refutation
        • P(c);P_SPINP(b),XP(E)
  • Actual
    • S(D);
    • Vars
      • P(b);OGATEB,P_SPINP(c),XP(E)::QAR(F),XP(c)
      • P(c);P_SPINP(b),XP(E)::QAB(F)
      • P(b);OGATEB,P_SPINP(c)::QAR(F),XP(c)
      • P(c);P_SPINP(b)::QAB(F)
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