MESON Chess Problem Database

Problem Display
PID: 141336 (5Q2/4N3/B2p4/2Nn1R2/3k4/K7/1P6/8 w - - 0 1)

Waldner, Karl

Neue Wiener Tagblatt, 1908

(First published on Fri Jul 3 1908)

5Q2/4N3/B2p4/2Nn1R2/3k4/K7/1P6/8

#2

7 + 3

14868 Pirnie Collection 2011
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Sc6#
      • 2.Qg7#
      • 2.Qf6#
      • 2.Qh8#
  • Tries
    • 1.Qh6?
      • threat
        • 2.Rxd5#
      • 1...Kxc5
        • 2.Qe3#
      • 1...Sxe7
        • 2.Qd2#
        • 2.Qf4#
      • 1...Sc3
        • 2.Sc6#
        • 2.Qd2#
      • 1...Se3
        • 2.Sc6#
        • 2.Qf4#
        • 2.Qg7#
        • 2.Qf6#
        • 2.Qh8#
      • 1...Sb4
        • 2.Qf4#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sb6
        • 2.Sc6#
        • 2.Qd2#
        • 2.Qf4#
      • 1...Sf6
        • 2.Sc6#
        • 2.Qd2#
      • 1...Sc7
        • 2.Sc6#
        • 2.Qd2#
        • 2.Qf4#
      • 1...dxc5!
    • 1.Qg7+?
      • 1...Kxc5
        • 2.Qg1#
      • 1...Sf6
        • 2.Qg1#
      • 1...Ke3!
  • Keys
    • 1.Re5!
      • 1...Kxc5
        • 2.Qf2#
      • 1...Kxe5
        • 2.Sc6#
      • 1...Sxe7
        • 2.Qf4#
      • 1...dxc5
        • 2.Sc6#
      • 1...dxe5
        • 2.Sf5#
      • 1...Sc3
        • 2.Sc6#
      • 1...Se3
        • 2.Sc6#
        • 2.Qf4#
      • 1...Sb4
        • 2.Qf4#
      • 1...Sf4
        • 2.Sc6#
        • 2.Qxf4#
      • 1...Sb6
        • 2.Sc6#
        • 2.Qf4#
      • 1...Sf6
        • 2.Sc6#
      • 1...Sc7
        • 2.Sc6#
        • 2.Qf4#

This anticipates 145899(1917)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);
      • Threat
        • R1(D),XS(b)
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT,XS(C)::QAB(G)
        • S(b);N_GUARD::QAR2(G)
        • S(b);N_GUARD::QAR2(G),XS(b)
      • Refutation
        • P(c);XS(C)
    • Try
      • Q(G);CHECK
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT,XS(C)::QAB(G)
        • S(b);N_GUARD,P_SPINS(b)::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT,XS(C)::QAB(G)
      • K(a);S_FLIGHT,XR(D)::S(F)
      • S(b);N_GUARD,XS(F)::QAR2(G)
      • P(c);XS(C)::S(F)
      • P(c);SBLOCK,XR(D)::S(F)
      • S(b);::S(F)
      • S(b);N_GUARD::QAR2(G)
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