MESON Chess Problem Database

Problem Display
PID: 80849 (5K1k/1b2R3/3pP3/6P1/5p2/3B4/1N6/Q3r2r w - - 0 1)

Ianovcic, Anatole Felix

The Field, 1949

(First published on Sat Jul 16 1949)

5K1k/1b2R3/3pP3/6P1/5p2/3B4/1N6/Q3r2r

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sxd1#
    • 1...Ref1
      • 2.Sd1#
    • 1...Reg1
      • 2.Sd1#
    • 1...Re4
      • 2.Qxh1#
    • 1...Rhf1
      • 2.Rh7#
    • 1...Rhg1
      • 2.Rh7#
    • 1...Rh7
      • 2.Rxh7#
    • 1...Be4
      • 2.Sd1#
  • Tries
    • 1.Rg7?
      • threat
        • 2.Rg8#
      • 1...Re4
        • 2.Qxh1#
      • 1...Be4!
    • 1.Qxe1?
      • threat
        • 2.Qc3#
      • 1...Rxe1
        • 2.Rh7#
      • 1...Rh7
        • 2.Rxh7#
      • 1...d5
        • 2.Qxh1#
        • 2.Qe5#
      • 1...Rh6!
  • Keys
    • 1.g6!
      • threat
        • 2.g7#
      • 1...Reg1
        • 2.Sd1#
      • 1...Re4
        • 2.Qxh1#
      • 1...Rhg1
        • 2.Rh7#
      • 1...Rh7
        • 2.Rxh7#
      • 1...Be4
        • 2.Sd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::QAB(A)+S(B),XR(a)
    • R(a);N_GUARD::QAB(A)+S(B)
    • R(a);OGATE::QAB(A),XR(b)
    • R(b);N_GUARD::R1(F)
    • R(b);N_GUARD::R1(F),XR(b)
    • B(e);S_CUTR(a)::QAB(A)+S(B)
  • Tries
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • R(a);OGATE::QAB(A),XR(b)
      • Refutation
        • B(e);
    • Try
      • Q(A);XR(a)
      • Threat
        • QAB(A)
      • Vars
        • R(b);N_GUARD,XQ(A)::R1(F)
        • R(b);N_GUARD::R1(F),XR(b)
      • Refutation
        • R(b);
  • Actual
    • P(D);
    • Threat
      • P(D)
    • Vars
      • R(a);N_GUARD::QAB(A)+S(B)
      • R(a);OGATE::QAB(A),XR(b)
      • R(b);N_GUARD::R1(F)
      • R(b);N_GUARD::R1(F),XR(b)
      • B(e);S_CUTR(a)::QAB(A)+S(B)
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