MESON Chess Problem Database

Problem Display
PID: 4993 (Q7/3B4/8/1R6/4P3/5k2/3B4/6K1 w - - 0 1)

Gold, Samuel

Deutsche Schachzeitung, 1896

Q7/3B4/8/1R6/4P3/5k2/3B4/6K1

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Bg5?
      • 1...Kg3
        • 2.Rb3#
        • 2.Qa3#
      • 1...Ke2!
    • 1.Rh5?
      • 1...Kg3
        • 2.Rh3#
        • 2.Qa3#
      • 1...Ke2!
    • 1.Qd5?
      • threat
        • 2.Qd3#
      • 1...Ke2
        • 2.Bg4#
      • 1...Kg3!
    • 1.Qa3+?
      • 1...Kxe4
        • 2.Qe3#
      • 1...Ke2!
    • 1.Qa7?
      • threat
        • 2.Qe3#
      • 1...Kg3
        • 2.Qf2#
      • 1...Kxe4
        • 2.Qe3#
      • 1...Ke2!
    • 1.Qg8?
      • threat
        • 2.Qg2#
        • 2.Qg4#
      • 1...Kxe4
        • 2.Qd5#
      • 1...Ke2!
  • Keys
    • 1.Qd8!
      • 1...Ke2
        • 2.Bg4#
      • 1...Kg3
        • 2.Rb3#
      • 1...Kxe4
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAR2(F)
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(C)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
        • K(a);S_FLIGHT,XP(C)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(C)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::B(E)
      • K(a);P-FLIGHT::R(D)
      • K(a);OGATEB,S_FLIGHT,XP(C)::B(E)
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