MESON Chess Problem Database

Problem Display
PID: 267785 (8/K3Q3/p1k1P3/r3p3/p3p3/p3P3/P1N5/1R6 w - - 0 1)

Asbury-Smith, Peter Clement

The Problemist, 1955

8/K3Q3/p1k1P3/r3p3/p3p3/p3P3/P1N5/1R6

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Qd7#
    • 1...Rd5
      • 2.Rb6#
  • Keys
    • 1.Rc1!
      • 1...Kb5
        • 2.Sxa3#
      • 1...Kd5
        • 2.Sb4#
      • 1...Rb5
        • 2.Sb4#
      • 1...Rc5
        • 2.Qd7#
      • 1...Rd5
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::QAB1(G)
    • R(d);SBLOCK::R1(A)
  • Actual
    • R(A);
    • Vars
      • K(g);N_GUARD,S_CUTR(d),S_FLIGHT::S(C),XP(a)
      • K(g);N_GUARD,S_FLIGHT::S(C)
      • R(d);SBLOCK::R(A)+S(C),DCHECK
      • R(d);SBLOCK::QAB1(G)
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