MESON Chess Problem Database

Problem Display
PID: 255191 (8/5pB1/4prp1/4n1N1/1P1kP3/1KR5/2PP4/3n1N2 w - - 0 1)

Campbell, AWD

Western Morning News, 1921

(First published on Sat Nov 5 1921)

8/5pB1/4prp1/4n1N1/1P1kP3/1KR5/2PP4/3n1N2

#2

9 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf1
      • 2.Rd3#
      • 2.Rc4#
    • 1...Rf2
      • 2.Rd3#
      • 2.Rc4#
    • 1...Rf4
      • 2.Rd3#
      • 2.Rc4#
    • 1...Rf5
      • 2.Rd3#
      • 2.Rc4#
    • 1...Sxc3
      • 2.dxc3#
    • 1...Se3
      • 2.dxe3#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Se2#
      • 1...Sd3
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sc4
        • 2.Sf3#
      • 1...Sg4
        • 2.Sf3#
      • 1...Sc6
        • 2.Sf3#
      • 1...Sd7
        • 2.Sf3#
      • 1...Rf2
        • 2.Rd3#
        • 2.Rc4#
      • 1...Sxc3!
    • 1.Bxf6?
      • threat
        • 2.Rd3#
        • 2.Rc4#
      • 1...Sxc3
        • 2.dxc3#
      • 1...Sf2
        • 2.Rc4#
      • 1...Se3
        • 2.Rd3#
        • 2.dxe3#
      • 1...Sb2!
  • Keys
    • 1.Re3!
      • 1...Rxf1
        • 2.Rd3#
      • 1...Sxe3
        • 2.dxe3#
      • 1...Sd3
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sc4
        • 2.Sf3#
      • 1...Sg4
        • 2.Sf3#
      • 1...Sc6
        • 2.Sf3#
      • 1...Sd7
        • 2.Sf3#
      • 1...Sb2
        • 2.c3#
      • 1...Rf2
        • 2.Rd3#
      • 1...Rf3
        • 2.Sxf3#
      • 1...Rf4
        • 2.Rd3#
      • 1...Rf5
        • 2.Rd3#
      • 1...Sf2
        • 2.c3#
      • 1...Sc3
        • 2.dxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE,XR(E)::P(C),XS(a)
    • S(a);OGATE::P(C),XS(a)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • S(c);N_GUARD,P_SPINR(e)::S(H)
        • S(c);N_GUARD,P_SPINR(e)::S(H),XS(c)
      • Refutation
        • S(a);XR(E)
    • Try
      • B(I);P_PINS(c),XR(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);OGATE,XR(E)::P(C),XS(a)
        • S(a);::R1(E)
      • Refutation
        • S(a);
  • Actual
    • R(E);
    • Vars
      • R(e);P_SPINS(c),XS(A)::R1(E)
      • S(a);OGATE,XR(E)::P(C),XS(a)
      • S(c);N_GUARD,P_SPINR(e)::S(H)
      • S(c);N_GUARD,P_SPINR(e)::S(H),XS(c)
      • S(a);N_GUARD::P(B)
      • R(e);P_SPINS(c)::R1(E)
      • R(e);N_GUARD,P_PINR(E),P_SPINS(c)::S(H),XR(e)
      • S(a);OGATE::P(C),XS(a)
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