MESON Chess Problem Database

Problem Display
PID: 150793 (8/5N2/1K6/3N4/2kpp3/8/3R2Q1/8 w - - 0 1)

Meyer, Heinrich Friedrich Ludwig

English Mechanic and World of Science, 1872

(First published on Fri Aug 9 1872)

8/5N2/1K6/3N4/2kpp3/8/3R2Q1/8

#2

5 + 3

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • 1...Kd3
        • 2.Se5#
        • 2.Qf1#
        • 2.Qc2#
        • 2.Qe2#
      • 1...d3
        • 2.Qxe4#
      • 1...e3
        • 2.Se5#
      • 1...Kxd5!
  • Keys
    • 1.Rd3!
      • 1...Kxd3
        • 2.Se5#
      • 1...Kxd5
        • 2.Qa2#
      • 1...exd3
        • 2.Qa2#
      • 1...e3
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB::QAR2(B),XP(c)
        • P(c);::S(E)
      • Refutation
        • K(a);P_SPINP(c),S_FLIGHT,XS(C)
  • Actual
    • R(A);
    • Vars
      • K(a);S_FLIGHT,XR(A)::S(E)
      • K(a);P_SPINP(b),S_FLIGHT,XS(C)::QAB(B)
      • P(c);SBLOCK,XR(A)::QAB(B)
      • P(c);::S(E)
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