MESON Chess Problem Database

Problem Display
PID: 77027 (8/5B2/8/3q4/KPkrR3/2pb4/4R3/2Q5 w - - 0 1)

Davey, David Murray

The Tablet, 1948

(First published on Sat Sep 11 1948)

8/5B2/8/3q4/KPkrR3/2pb4/4R3/2Q5

#2

6 + 5

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Bxe6#
  • Keys
    • 1.Qf1!
      • 1...Bc2+
        • 2.Rxc2#
      • 1...Qxf7
        • 2.Qxf7#
      • 1...Rxe4
        • 2.Rxe4#
      • 1...Bxe2
        • 2.Qxe2#
      • 1...Bxe4
        • 2.Rxe4#
      • 1...Qe6
        • 2.Bxe6#
      • 1...Bb1
        • 2.Rc2#
      • 1...c2
        • 2.Rxc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(e);OGATEB::B(F),XQ(e)
  • Actual
    • Q(A);N_PINP(a)
    • Vars
      • B(b);CHECK,OGATEB::QAB(A)+R(B),XB(b)
      • Q(e);N_SPINQ(e),OGATE,XB(F)::QAB(A),XQ(e)
      • R(d);N_SPINR(d),OGATE,XR(E)::R(B),XR(d)
      • B(b);OGATE,P_SPINB(b),XR(B)::QAB(A),XB(b)
      • B(b);N_SPINR(d),OGATE,XR(E)::QAB(A)+R(B),XB(b)
      • Q(e);OGATEB::B(F),XQ(e)
      • B(b);OGATEB::QAB(A)+R(B)
      • P(a);OGATEB::R(B),XP(a)
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