MESON Chess Problem Database

Problem Display
PID: 144012 (2K3Q1/8/8/4bNR1/1n2k2n/7N/2P5/5BB1 w - - 0 1)

Mosely, Arthur James

1st Prize, Australian Columns, 1924

2K3Q1/8/8/4bNR1/1n2k2n/7N/2P5/5BB1

#2

8 + 4

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Bxg2#
    • 1...Sxf5
      • 2.Bg2#
    • 1...Sg6
      • 2.Bg2#
  • Tries
    • 1.Bd3+?
      • 1...Kf3
        • 2.Sxh4#
      • 1...Sxd3!
    • 1.Qc4+?
      • 1...Kf3
        • 2.Sxh4#
        • 2.Be2#
        • 2.Qe2#
        • 2.Qg4#
      • 1...Bd4!
  • Keys
    • 1.Qg6!
      • 1...Kf3
        • 2.Sxh4#
      • 1...Kd5
        • 2.Se7#
      • 1...Sxc2
        • 2.Qc6#
      • 1...Sxf5
        • 2.Bg2#
      • 1...Sxg6
        • 2.Bg2#
      • 1...Ba1
        • 2.Sxh4#
      • 1...Bb2
        • 2.Sxh4#
      • 1...Bh2
        • 2.Sxh4#
      • 1...Bc3
        • 2.Sxh4#
      • 1...Bg3
        • 2.Sxh4#
      • 1...Bd4
        • 2.Sxh4#
      • 1...Bf4
        • 2.Sxh4#
      • 1...Bd6
        • 2.Sxh4#
      • 1...Bf6
        • 2.Sxh4#
      • 1...Bc7
        • 2.Sxh4#
      • 1...Bg7
        • 2.Sxh4#
      • 1...Bb8
        • 2.Sxh4#
      • 1...Bh8
        • 2.Sxh4#
      • 1...Sa2
        • 2.Qc6#
      • 1...Sd3
        • 2.Qc6#
      • 1...Sd5
        • 2.Sxh4#
      • 1...Sa6
        • 2.Qc6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sg2
        • 2.Bxg2#
      • 1...Sf3
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 22
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::B(A),XS(c)
    • S(c);N_GUARD,XS(E)::B(A)
    • S(c);N_GUARD::B(A)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(b);S_FLIGHT::S(E),XS(c)
      • Refutation
        • S(a);XB(A)
    • Try
      • Q(H);CHECK
      • Refutation
        • B(d);P_SPINB(d)
  • Actual
    • Q(H);
    • Vars
      • K(b);S_FLIGHT::S(E),XS(c)
      • K(b);S_FLIGHT::S(E)
      • S(a);N_GUARD,XP(C)::QAB(H)
      • S(c);N_GUARD,P_SPINS(c),XS(E)::B(A)
      • S(c);N_GUARD,XQ(H)::B(A)
      • B(d);::QAB(H)+S(E),XS(c)
      • S(a);N_GUARD::QAB(H)
      • S(a);SBLOCK::QAB(H)+S(E),XS(c)
      • S(a);N_GUARD::QAB(H),XS(a)
      • S(c);N_GUARD::B(A),XS(c)
      • S(c);N_GUARD,SBLOCK::QAB(H)+S(E)
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