MESON Chess Problem Database

Problem Display
PID: 144928 (Q7/4p2P/2pPKb1n/1p6/rRB5/8/8/k7 w - - 0 1)

Morse, Christopher Jeremy

British Chess Magazine, 1975

Q7/4p2P/2pPKb1n/1p6/rRB5/8/8/k7

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Qxa2#
    • 1...Ra3
      • 2.Qxa3#
    • 1...Ra5
      • 2.Qxa5#
    • 1...Ra6
      • 2.Qxa6#
    • 1...Ra7
      • 2.Qxa7#
    • 1...Bh8
      • 2.Qxh8#
    • 1...bxc4
      • 2.Qxa4#
    • 1...c5
      • 2.Qh1#
  • Keys
    • 1.h8Q!
      • 1...Rxa8
        • 2.Qxa8#
      • 1...Bxh8
        • 2.Qxh8#
      • 1...bxc4
        • 2.Qxa4#
      • 1...exd6
        • 2.Qxf6#
      • 1...Bb2
        • 2.Qxb2#
      • 1...Ra2
        • 2.Qxa2#
      • 1...Ra3
        • 2.Qxa3#
      • 1...Ra5
        • 2.Qxa5#
      • 1...Ra6
        • 2.Qxa6#
      • 1...Ra7
        • 2.Qxa7#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sg4
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Sf7
        • 2.Qh1#
      • 1...Sg8
        • 2.Qh1#
      • 1...c5
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE::QAR1(F),XR(b)
    • R(b);OGATE::QAR2(F),XR(b)
    • R(b);OGATEB::QAR(F),XR(b)
    • B(e);OGATEB::QAB(F),XB(e)
    • P(c);N_GUARD,XB(B)::QAR(F),XR(b)
    • P(d);OGATE::QAB1(F)
  • Actual
    • P(E);P_PINB(e)
    • Vars
      • R(b);N_SPINR(b),OGATE,XQ(F)::QAB(E),XR(b)
      • B(e);N_SPINB(e),OGATE,XQ(E)::QAB(F),XB(e)
      • P(c);N_GUARD,XB(B)::QAR(F),XR(b)
      • P(g);N_GUARD,XP(C)::QAB(E),XB(e)
      • B(e);OGATE::QAB1(E),XB(e)
      • R(b);OGATE::QAR1(F),XR(b)
      • R(b);OGATE::QAR2(F),XR(b)
      • R(b);OGATEB::QAR(F),XR(b)
      • B(e);OGATE::QAB(E),XB(e)
      • B(e);OGATEB::QAB(E),XB(e)
      • S(f);OGATE::QAB1(E)
      • P(d);OGATE::QAB1(F)
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