MESON Chess Problem Database

Problem Display
PID: 18583 (2Q5/8/pr1PP3/b2kN3/1p3P2/1N3K2/8/8 w - - 0 1)

Mansfield, Comins

Time & Tide, 1956

2Q5/8/pr1PP3/b2kN3/1p3P2/1N3K2/8/8

#2

7 + 5

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Qd7#
    • 1...Rxd6
      • 2.Qc4#
  • Keys
    • 1.d7!
      • 1...Kd6
        • 2.d8Q#
      • 1...Kxe6
        • 2.d8Q#
      • 1...Rxe6
        • 2.Qc5#
      • 1...Rb5
        • 2.Qc6#
      • 1...Rc6
        • 2.Qxc6#
      • 1...Rd6
        • 2.Qc4#
      • 1...Rb7
        • 2.Qc6#
      • 1...Rb8
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,P-FLIGHT,XP(E)::QAR1(G)
    • R(e);SBLOCK,XP(E)::QAB1(G)
  • Actual
    • P(E);
    • Vars
      • K(c);P-FLIGHT::P=Q
      • K(c);S_FLIGHT,XP(F)::P=Q
      • R(e);SBLOCK,XP(F)::QAR1(G)
      • R(e);N_GUARD::QAB1(G)
      • R(e);N_GUARD::QAB1(G),XR(e)
      • R(e);SBLOCK::QAB1(G)
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