MESON Chess Problem Database

Problem Display
PID: 101018 (1K6/5p2/2QNkP2/2P1bpP1/5n2/8/3P4/8 w - - 0 1)

Janet, Frank

Good Companions, 1919

1K6/5p2/2QNkP2/2P1bpP1/5n2/8/3P4/8

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Sc4#
    • 1...Bb2
      • 2.Sc4#
    • 1...Bc3
      • 2.Sc4#
    • 1...Bd4
      • 2.Sc4#
    • 1...Bxd6+
      • 2.Qxd6#
    • 1...Sd5
      • 2.Qc8#
  • Keys
    • 1.d4!
      • 1...Bxd6+
        • 2.Qxd6#
      • 1...Bxd4
        • 2.Sc4#
      • 1...Bxf6
        • 2.Sc8#
      • 1...Se2
        • 2.d5#
      • 1...Sg2
        • 2.d5#
      • 1...Sd3
        • 2.d5#
      • 1...Sh3
        • 2.d5#
      • 1...Sd5
        • 2.Qc8#
      • 1...Sh5
        • 2.d5#
      • 1...Sg6
        • 2.d5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • B(b);N_PINS(E)::QAR(D)+S(E)
    • B(b);CHECK,OGATE,P_SPINB(b),XS(E)::QAR1(D),XB(b)
    • S(a);SBLOCK::QAB(D)
  • Actual
    • P(A);
    • Vars
      • B(b);CHECK,OGATE,P_SPINB(b),XS(E)::QAR1(D),XB(b)
      • B(b);N_PINS(E),XP(A)::QAR(D)+S(E)
      • B(b);N_PINS(E),XP(F)::QAR(D)+S(E)
      • S(a);N_GUARD::P(A)
      • S(a);SBLOCK::QAB(D)
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