MESON Chess Problem Database

Problem Display
PID: 287352 (8/8/8/8/1bK1Q3/p7/kP6/1R6 w - - 0 1)

Rezinkin, Valery Ivanovich

Uralski Problemist, 2005

8/8/8/8/1bK1Q3/p7/kP6/1R6

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Ra1+?
      • 1...Kxb2
        • 2.Qb1#
      • 1...Kxa1!
    • 1.Rc1?
      • threat
        • 2.Qb1#
      • 1...Kxb2
        • 2.Qb1#
        • 2.Qc2#
      • 1...axb2!
    • 1.Rd1?
      • threat
        • 2.Qb1#
      • 1...Kxb2
        • 2.Qb1#
      • 1...axb2!
  • Keys
    • 1.Qc2!
      • threat
        • 2.b3#
      • 1...axb2
        • 2.Qxb2#
      • 1...Bc3
        • 2.bxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(B)::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,XR(A)
    • Try
      • R(A);
      • Threat
        • QAB1(D)
      • Refutation
        • P(b);XP(B)
    • Try
      • R(A);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);P-FLIGHT,XP(B)::QAR1(D)
      • Refutation
        • P(b);XP(B)
  • Actual
    • Q(D);
    • Threat
      • QAR(D)+P(B)
    • Vars
      • P(b);OGATE,P_SPINP(b),XP(B)::QAR1(D),XP(b)
      • B(c);OGATE::QAR(D)+P(B),XB(c)
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