MESON Chess Problem Database

Problem Display
PID: 132834 (2B3R1/2p2p2/Q2P1k2/2n5/1pP5/8/b5p1/4R1K1 w - - 0 1)

Morse, Christopher Jeremy

The Field, 1959

(First published on Thu Jan 15 1959)

2B3R1/2p2p2/Q2P1k2/2n5/1pP5/8/b5p1/4R1K1

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qa1#
    • 1...Bb3
      • 2.Qa1#
    • 1...Bxc4
      • 2.Qa1#
    • 1...Sb3
      • 2.dxc7#
    • 1...Sd3
      • 2.dxc7#
  • Keys
    • 1.Qa5!
      • 1...Bxc4
        • 2.Qa1#
      • 1...cxd6
        • 2.Qd8#
      • 1...Bb1
        • 2.Qa1#
      • 1...Bb3
        • 2.Qa1#
      • 1...Sb3
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qg5#
      • 1...Sd3
        • 2.Qf5#
        • 2.Qg5#
      • 1...Sa4
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qg5#
      • 1...Se4
        • 2.Qf5#
      • 1...Sa6
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qg5#
      • 1...Se6
        • 2.Qe5#
      • 1...Sb7
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qg5#
      • 1...Sd7
        • 2.Qg5#
      • 1...b3
        • 2.Qc3#
      • 1...c6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(a);OGATE::QAB(D)
    • B(a);OGATE,XP(C)::QAB(D)
    • S(d);N_GUARD::QAR(D)+P(E),XP(f)
  • Actual
    • Q(D);
    • Vars
      • B(a);OGATE,XP(C)::QAB(D)
      • P(f);OGATE,XP(E)::QAB(D)
      • B(a);OGATE::QAB(D)
      • S(d);OGATE::QAR1(D)
      • S(d);OGATE::QAB1(D)
      • P(c);OGATE::QAB(D)
      • P(f);OGATE::QAB(D)
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