MESON Chess Problem Database

Problem Display
PID: 244842 (8/B3Q3/1r6/3p4/1R5p/1Pk4P/1b6/1n1K4 w - - 0 1)

Gold, Samuel

Wiener Hausfrauen-Zeitung, 1889

8/B3Q3/1r6/3p4/1R5p/1Pk4P/1b6/1n1K4

#2

6 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb4
      • 2.Qe3#
  • Tries
    • 1.Qe1+?
      • 1...Sd2
        • 2.Qxd2#
      • 1...Kd3!
    • 1.Qe4?
      • threat
        • 2.Qd4#
      • 1...Rxb4
        • 2.Qc2#
        • 2.Qf3#
        • 2.Qe3#
      • 1...d4
        • 2.Qxd4#
      • 1...dxe4!
  • Keys
    • 1.Qxh4!
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Qg3#
      • 1...Rxb4
        • 2.Qg3#
      • 1...d4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK,XR(D)::QAR2(F)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAB1(F),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • P(e);::QAB1(F),XP(e)
      • Refutation
        • P(e);XQ(F)
  • Actual
    • Q(F);XP(d)
    • Threat
      • QAB1(F)
    • Vars
      • K(c);P-FLIGHT::QAR(F)
      • R(f);SBLOCK,XR(D)::QAR(F)
      • P(e);::QAB1(F),XP(e)
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