MESON Chess Problem Database

Problem Display
PID: 157801 (5nK1/6pp/2p1kr2/2PRrN1P/3P1p2/1Q3P2/8/8 w - - 0 1)

Meyer, Max Julius

Manchester Weekly Times, 1894

(First published on Fri Jan 19 1894)

5nK1/6pp/2p1kr2/2PRrN1P/3P1p2/1Q3P2/8/8

#2

8 + 8

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Rxe5#
    • 1...Sd7
      • 2.Rxe5#
  • Keys
    • 1.Qb7!
      • threat
        • 2.Rxe5#
      • 1...Kxd5
        • 2.Qb3#
      • 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...Re1
        • 2.Qxc6#
      • 1...Re2
        • 2.Qxc6#
      • 1...Re3
        • 2.Qxc6#
      • 1...Re4
        • 2.Qxc6#
      • 1...Sg6
        • 2.Qd7#
      • 1...Sd7
        • 2.Qxd7#

There are these versions: 156201

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINR(b),S_FLIGHT,XS(F)::R1(E),XR(b)
    • S(h);SBLOCK::QAB(A)+R(E),DCHECK,XR(b)
  • Actual
    • Q(A);
    • Threat
      • R1(E),XR(b)
    • Vars
      • K(d);OGATEB,P_SPINP(c),S_FLIGHT,XR(E)::QAB(A)
      • K(d);P_SPINR(b),S_FLIGHT,XS(F)::R1(E),XR(b)
      • R(b);SBLOCK,XR(E)::S(F),XP(f)
      • R(b);SBLOCK,XS(F)::R1(E)
      • R(e);SBLOCK,XS(F)::R1(E)
      • P(c);XR(E)::S(F),XP(f)
      • R(e);N_GUARD::QAB1(A)
      • R(e);N_GUARD::QAB1(A),XR(e)
      • R(b);::QAR2(A),XP(c)
      • S(h);N_GUARD::QAB1(A)
      • S(h);N_GUARD::QAB1(A),XS(h)
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