MESON Chess Problem Database

Problem Display
PID: 60668 (8/8/1b2K2p/4B3/N3k3/1r5r/3Q2P1/6qN w - - 0 1)

McIntyre, Donald Glenoe

British Chess Magazine, 1944

8/8/1b2K2p/4B3/N3k3/1r5r/3Q2P1/6qN

#2

6 + 6

5639 Some Problems For My Friends 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Qd5#
    • 1...Rbd3
      • 2.Qf4#
    • 1...Rbe3
      • 2.Qd5#
    • 1...Rhd3
      • 2.Qf4#
    • 1...Rhe3
      • 2.Qd5#
    • 1...Be3
      • 2.Qd5#
  • Keys
    • 1.Qe2+!
      • 1...Qe3
        • 2.Sf2#
      • 1...Rbe3
        • 2.Sc3#
      • 1...Rhe3
        • 2.Sg3#
      • 1...Be3
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(a);SBLOCK::QAB1(B)
    • R(b);SBLOCK::QAR1(B)
    • R(b);SBLOCK::QAB1(B)
    • R(c);SBLOCK::QAR1(B)
    • R(c);SBLOCK::QAB1(B)
    • B(e);SBLOCK::QAB1(B)
  • Actual
    • Q(B);CHECK
    • Vars
      • Q(a);P_SPINQ(a)::S(A)
      • R(b);P_SPINR(b)::S(D)
      • R(c);P_SPINR(c)::S(A)
      • B(e);P_SPINB(e)::S(D)
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