MESON Chess Problem Database

Problem Display
PID: 213160 (2K5/p7/6R1/1k6/3Q4/3n4/8/3B4 w - - 0 1)

Kichigin, Viktor Vladimirovich

Land og Folk, 1978

2K5/p7/6R1/1k6/3Q4/3n4/8/3B4

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qa4#
    • 1...a5
      • 2.Ba4#
      • 2.Rb6#
  • Tries
    • 1.Qc4+?
      • 1...Ka5
        • 2.Ra6#
        • 2.Qa4#
      • 1...Kxc4!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Qa4#
      • 1...Ka5
        • 2.Qa4#
      • 1...Kxc6
        • 2.Ba4#
      • 1...Sb2
        • 2.Qc5#
      • 1...Sb4
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
  • Actual
    • R(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);S_FLIGHT,XR(C)::B(A)
      • S(a);N_GUARD::QAR1(B)
      • S(a);N_GUARD::QAR1(B),XS(a)
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