MESON Chess Problem Database

Problem Display
PID: 5100 (7b/3K3p/8/pp6/k5Br/Bb2p3/2Q2pr1/R7 w - - 0 1)

Shinkman, William Anthony

St. John Globe, 1899

7b/3K3p/8/pp6/k5Br/Bb2p3/2Q2pr1/R7

#2

5 + 10

3925 The Golden Argosy 1929

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qc6#
  • Tries
    • 1.Qe4+?
      • 1...Bc4
        • 2.Bd1#
      • 1...b4
        • 2.Qc6#
      • 1...Bd4!
  • Keys
    • 1.Bd1!
      • threat
        • 2.Qxb3#
      • 1...Rg7+
        • 2.Be7#
      • 1...Rd4+
        • 2.Bd6#
      • 1...Bxc2
        • 2.Bxc2#
      • 1...b4
        • 2.Qc6#
      • 1...Rb4
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(h);OGATEB::QAB(B)
  • Tries
    • Try
      • Q(B);CHECK,N_PINB(c)
      • Vars
        • B(c);P_SPINB(c),S_CUTB(j),S_CUTP(h),S_CUTR(f)::B(D)
        • P(h);OGATEB,P_SPINP(h)::QAB(B)
      • Refutation
        • B(j);P_SPINB(j)
  • Actual
    • B(D);
    • Threat
      • QAB1(B),XB(c)
    • Vars
      • R(b);CHECK,S_CUTB(j)::R(A)+B(C)
      • R(f);CHECK,S_CUTB(j)::R(A)+B(C)
      • B(c);OGATE,XQ(B)::B(D),XB(c)
      • P(h);OGATEB::QAB(B)
      • R(f);SBLOCK::R(A)+B(C)
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