MESON Chess Problem Database

Problem Display
PID: 120938 (8/8/1N6/2pb2K1/2R5/3kp3/1Q6/n7 w - - 0 1)

Gold, Samuel

L'Opinion Publique, 1897

8/8/1N6/2pb2K1/2R5/3kp3/1Q6/n7

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qxc2#
    • 1...Sb3
      • 2.Qc2#
    • 1...e2
      • 2.Qc3#
  • Tries
    • 1.Sxd5?
      • 1...Sc2
        • 2.Qxc2#
      • 1...Sb3
        • 2.Qc2#
      • 1...e2
        • 2.Qc3#
      • 1...Kxc4!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Se5#
      • 1...Kxc4
        • 2.Se5#
      • 1...Bxc4
        • 2.Sxc5#
      • 1...Sc2
        • 2.Qxc2#
      • 1...e2
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::QAB1(A),XS(a)
    • S(a);N_GUARD::QAB1(A)
    • P(c);SBLOCK::QAR1(A)
  • Tries
    • Try
      • S(D);XB(e)
      • Vars
        • S(a);N_GUARD::QAB1(A),XS(a)
        • S(a);N_GUARD::QAB1(A)
        • P(c);SBLOCK::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT,XR(B)::S(D)
      • B(e);SBLOCK,XR(B)::S(D),XP(d)
      • S(a);N_GUARD::QAB1(A),XS(a)
      • P(c);SBLOCK::QAR1(A)
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