MESON Chess Problem Database

Problem Display
PID: 15203 (kB1K1Q2/P7/8/8/4R3/8/6n1/8 w - - 0 1)

Curth, Heinz

Deutsche Schachzeitung, 1981

kB1K1Q2/P7/8/8/4R3/8/6n1/8

#2

5 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qd5#
        • 2.Qc6#
      • 1...Se3
        • 2.Qc6#
      • 1...Sf4
        • 2.Qc6#
      • 1...Kb7!
    • 1.Qd6?
      • threat
        • 2.Qd5#
        • 2.Qc6#
      • 1...Se3
        • 2.Qc6#
      • 1...Sf4
        • 2.Qc6#
      • 1...Kb7!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Re1#
        • 2.Re2#
        • 2.Re3#
        • 2.Ra4#
        • 2.Rb4#
        • 2.Rc4#
        • 2.Rd4#
        • 2.Rf4#
        • 2.Rg4#
        • 2.Rh4#
        • 2.Re5#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Kb7
        • 2.Re6#
      • 1...Se1
        • 2.Rxe1#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sh4
        • 2.Rxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAB(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAB(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • DUALS(14)
    • Vars
      • K(b);S_FLIGHT::QAB(E)+R(A)
      • S(a);::QAB(E)+R(A),XS(a)
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