MESON Chess Problem Database

Problem Display
PID: 196553 (3R4/p1Q5/4p3/pBK5/3P4/1pk5/1pPp4/1b1r4 w - - 0 1)

Chepizhni, Viktor Ivanovich

Zadachi i Etyudi, 1995

3R4/p1Q5/4p3/pBK5/3P4/1pk5/1pPp4/1b1r4

#2

6 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc2
      • 2.Kd6#
    • 1...Bxc2
      • 2.Qxa5#
    • 1...bxc2
      • 2.Qg3#
  • Tries
    • 1.Kd6+?
      • 1...Kb4
        • 2.Qc5#
      • 1...Kxd4!
    • 1.Bf1?
      • threat
        • 2.Kb5#
      • 1...Kxc2
        • 2.Kb5#
        • 2.Kd6#
      • 1...bxc2
        • 2.Qg3#
      • 1...a6!
    • 1.Be2?
      • threat
        • 2.Kb5#
      • 1...Kxc2
        • 2.Kb5#
        • 2.Kd6#
      • 1...bxc2
        • 2.Qg3#
      • 1...a6!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Kb5#
      • 1...Kxc2
        • 2.Kd6#
      • 1...Bxc2
        • 2.Qxa5#
      • 1...bxc2
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(f);P-FLIGHT,XP(A)::QAR(E)+K(D)
    • B(a);SBLOCK,XP(A)::QAB(E),XP(g)
    • P(e);SBLOCK,XP(A)::QAR(E)
  • Tries
    • Try
      • K(D);CHECK,S_FLIGHT
      • Vars
        • K(f);S_FLIGHT::QAB1(E)
      • Refutation
        • K(f);S_FLIGHT,XP(B)
    • Try
      • B(C);
      • Threat
        • QAR(E)+K(D)
      • Vars
        • P(e);SBLOCK,XP(A)::QAR(E)
      • Refutation
        • P(i);
    • Try
      • B(C);
      • Threat
        • QAR(E)+K(D)
      • Vars
        • P(e);SBLOCK,XP(A)::QAR(E)
      • Refutation
        • P(i);
  • Actual
    • B(C);
    • Threat
      • QAR(E)+K(D)
    • Vars
      • K(f);P-FLIGHT,XP(A)::QAR(E)+K(D)
      • B(a);SBLOCK,XP(A)::QAB(E),XP(g)
      • P(e);SBLOCK,XP(A)::QAR(E)
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