MESON Chess Problem Database

Problem Display
PID: 152775 (brBbK3/R3Q3/N1n5/qpB5/k1p5/n7/N7/rR6 w - - 0 1)

Marshall, Frank J

Good Companions (December), 1915

brBbK3/R3Q3/N1n5/qpB5/k1p5/n7/N7/rR6

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Sc3#
  • Keys
    • 1.Bb4!
      • threat
        • 2.Sc3#
        • 2.Sc5#
      • 1...Qxb4
        • 2.Sc5#
      • 1...Qxa6
        • 2.Sc3#
      • 1...Rxb1
        • 2.Sc5#
      • 1...Rxa2
        • 2.Sc5#
      • 1...Bxe7
        • 2.Sc3#
      • 1...Sxb1
        • 2.Sc5#
      • 1...Bb6
        • 2.Sc3#
      • 1...c3
        • 2.Sxc3#
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • S(g);S_CUTQ(e)::S(B)
  • Actual
    • B(C);
    • Threat
      • DUALS(2)
    • Vars
      • Q(e);XB(C)::R(E)+S(D),DCHECK
      • Q(e);P_SPINQ(e),XS(D)::S(B)
      • R(a);XR(A)::S(D)
      • R(a);XS(B)::S(D)
      • B(j);P_PINB(G),XQ(F)::S(B)
      • S(b);XR(A)::S(D)
      • B(j);P_PINB(G)::S(B)
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