MESON Chess Problem Database

Problem Display
PID: 49704 (8/1r1P3K/1p6/1Bk1N3/P2R4/3P4/8/5bQ1 w - - 0 1)

Mansfield, Comins

Time & Tide, 1956

8/1r1P3K/1p6/1Bk1N3/P2R4/3P4/8/5bQ1

#2

8 + 4

133 The Problemist Supplement 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd7+
      • 2.Sxd7#
    • 1...Bxd3+
      • 2.Sxd3#
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qg5#
      • 1...Rxd7+
        • 2.Rxd7#
      • 1...Bxd3+
        • 2.Rxd3#
      • 1...Bg2
        • 2.Qc1#
      • 1...Bh3
        • 2.Qc1#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(d);CHECK,XP(G)::S(F),XR(d)
    • B(a);CHECK,XP(B)::S(F),XB(a)
  • Actual
    • S(F);
    • Threat
      • QAR(A)
    • Vars
      • R(d);CHECK,OGATE,XP(G)::QAB(A)+R(D),XR(d)
      • B(a);CHECK,OGATE,XP(B)::QAB(A)+R(D),XB(a)
      • B(a);OGATE::QAR(A)
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