MESON Chess Problem Database

Problem Display
PID: 32586 (1b4K1/7n/3p1kp1/2N1R3/b1pQPp2/8/8/8 w - - 0 1)

Gold, Samuel

British Chess Magazine, 1881

1b4K1/7n/3p1kp1/2N1R3/b1pQPp2/8/8/8

#2

5 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sd7#
    • 1...Bc2
      • 2.Sd7#
    • 1...Bb3
      • 2.Sd7#
    • 1...Bd7
      • 2.Sxd7#
    • 1...Ba7
      • 2.Qxd6#
    • 1...Sg5
      • 2.Re6#
      • 2.Re8#
    • 1...dxe5
      • 2.Qd8#
    • 1...g5
      • 2.Re6#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qxf4#
      • 1...Kxe5
        • 2.Qc3#
      • 1...dxe5
        • 2.Qd8#
      • 1...g5
        • 2.Re6#
      • 1...Bd7
        • 2.Sxd7#
      • 1...f3
        • 2.Re6#
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
    • B(h);N_GUARD::QAR2(A),XP(d)
    • P(d);OGATE,P_SPINP(d),SBLOCK,XR(D)::QAB(A)
    • P(f);SBLOCK::QAB(A)+R(D),DCHECK
  • Actual
    • Q(A);
    • Threat
      • QAR2(A),XP(c)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • P(d);OGATE,SBLOCK,XR(D)::QAB(A)
      • P(f);SBLOCK::R1(D)
      • B(a);N_GUARD::S(C),XB(a)
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