MESON Chess Problem Database

Problem Display
PID: 220354 (1n1N2B1/2Q5/q2P4/r3N2R/pr1k3K/2pPpP2/b1Pn4/8 w - - 0 1)

Clark, Cecil Henry Douglas

British Chess Magazine, 1925

1n1N2B1/2Q5/q2P4/r3N2R/pr1k3K/2pPpP2/b1Pn4/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Se6#
    • 1...Sxf3+
      • 2.Sxf3#
  • Tries
    • 1.Se6+?
      • 1...Kd5+
        • 2.Sc4#
        • 2.Sg4#
      • 1...Bxe6!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Sec6#
      • 1...Kc5+
        • 2.Sc4#
      • 1...Sxf3+
        • 2.Sxf3#
      • 1...Rxe5
        • 2.Qxe5#
      • 1...e2
        • 2.Qg1#
      • 1...Qc6
        • 2.Sexc6#
      • 1...Rd5
        • 2.Se6#
      • 1...Bd5
        • 2.Sd7#
      • 1...Sc6
        • 2.Sexc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(h);SBLOCK,S_CUTB(a)::S(I)
    • S(b);CHECK,XP(C)::S(E),XS(b)
  • Tries
    • Try
      • S(I);CHECK
      • Refutation
        • B(a);XS(I)
  • Actual
    • Q(H);
    • Threat
      • QAB(H)+S(E),DCHECK
    • Vars
      • K(g);CHECK,S_FLIGHT::R(F)+S(E)
      • S(b);CHECK,XP(C)::QAB(H)+S(E),DCHECK,XS(b)
      • R(h);OGATE,P_SPINR(h),XS(E)::QAB1(H),XR(h)
      • P(d);OGATEB::QAB(H)
      • Q(i);::QAB(H)+S(E),DCHECK,XQ(i)
      • R(h);SBLOCK,S_CUTB(a)::S(I)
      • B(a);S_CUTR(h)::QAB(H)+S(E)
      • S(j);::QAB(H)+S(E),DCHECK,XS(j)
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Developed and maintained by Brian Stephenson.
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