MESON Chess Problem Database

Problem Display
PID: 40129 (1Q6/3p1np1/6R1/8/8/8/1P3KP1/7k w - - 0 1)

Pauly, Wolfgang

Schlesische Zeitung, 1913

1Q6/3p1np1/6R1/8/8/8/1P3KP1/7k

#2

5 + 4

4198 Wolfgang Pauly Challenge of a Legacy 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Qh8#
    • 1...Sd6
      • 2.Qh8#
    • 1...Sh8
      • 2.Qxh8#
  • Tries
    • 1.Rg3?
      • threat
        • 2.Rh3#
      • 1...Kh2
        • 2.Rh3#
      • 1...Sg5!
    • 1.Ra6?
      • threat
        • 2.Ra1#
      • 1...Se5
        • 2.Qh8#
      • 1...Sd6
        • 2.Qh8#
      • 1...d6!
    • 1.Qb3?
      • threat
        • 2.Qh3#
      • 1...Kh2
        • 2.Qh3#
      • 1...Sg5!
    • 1.Qb4?
      • threat
        • 2.Qh4#
      • 1...Kh2
        • 2.Qh4#
      • 1...Sg5!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Rd1#
      • 1...Kh2
        • 2.Rh6#
      • 1...Sxd6
        • 2.Qh8#
      • 1...Se5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(c);N_GUARD::QAB(E)
    • S(c);N_GUARD::QAB(E),XS(c)
  • Tries
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::QAB(E)+R(D),DCHECK
      • Refutation
        • S(c);
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • S(c);N_GUARD::QAB(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • S(c);
    • Try
      • Q(E);
      • Threat
        • QAR(E)
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • S(c);
  • Actual
    • R(D);
    • Threat
      • R(D)
    • Vars
      • K(a);P-FLIGHT::QAB(E)+R(D),DCHECK
      • S(c);N_GUARD,XR(D)::QAB(E)
      • S(c);N_GUARD::QAB(E)
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