MESON Chess Problem Database

Problem Display
PID: 156201 (5nK1/6pp/2p1kr2/2PRrN1P/3Pp1p1/6P1/Q7/8 w - - 0 1)

Meyer, Max Julius

Eastern Daily Press, 1901

5nK1/6pp/2p1kr2/2PRrN1P/3Pp1p1/6P1/Q7/8

#2

8 + 9

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Rxe5#
    • 1...Sd7
      • 2.Rxe5#
  • Keys
    • 1.Qa7!
      • threat
        • 2.Rxe5#
      • 1...Kxd5
        • 2.Qa2#
      • 1...Kxf5
        • 2.Rxe5#
      • 1...Rxd5
        • 2.Sxg7#
      • 1...Rexf5
        • 2.Rd6#
      • 1...Rfxf5
        • 2.Rd6#
      • 1...cxd5
        • 2.Sxg7#
      • 1...Rg6
        • 2.Qf7#
      • 1...Rh6
        • 2.Qf7#
      • 1...Rf7
        • 2.Qxf7#
      • 1...Sg6
        • 2.Qd7#
      • 1...Sd7
        • 2.Qxd7#

This is a version of 157801

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINR(c),S_FLIGHT,XS(F)::R1(E),XR(c)
    • S(i);SBLOCK::QAB(A)+R(E),DCHECK,XR(c)
  • Actual
    • Q(A);
    • Threat
      • R1(E),XR(c)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(E)::QAB(A)
      • K(e);P_SPINR(c),S_FLIGHT,XS(F)::R1(E),XR(c)
      • R(c);SBLOCK,XR(E)::S(F),XP(g)
      • R(c);SBLOCK,XS(F)::R1(E)
      • R(f);SBLOCK,XS(F)::R1(E)
      • P(d);SBLOCK,XR(E)::S(F),XP(g)
      • R(f);N_GUARD::QAB1(A)
      • R(f);N_GUARD::QAB1(A),XR(f)
      • S(i);N_GUARD::QAB1(A)
      • S(i);N_GUARD::QAB1(A),XS(i)
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