MESON Chess Problem Database

Problem Display
PID: 72040 (8/2Kn4/1B1p4/3k4/2N1R3/2R2p2/2Pr1P2/4Q3 w - - 0 1)

Willmott, Arthur

Problem Observer, 2007

8/2Kn4/1B1p4/3k4/2N1R3/2R2p2/2Pr1P2/4Q3

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc2
      • 2.Rd3#
      • 2.Rd4#
    • 1...Rxf2
      • 2.Rd3#
      • 2.Rd4#
    • 1...Rd3
      • 2.Rxd3#
    • 1...Rd4
      • 2.Rxd4#
    • 1...Sxb6
      • 2.Sxb6#
  • Tries
    • 1.Kxd7?
      • 1...Rxc2
        • 2.Rd3#
        • 2.Rd4#
      • 1...Rxf2
        • 2.Rd3#
        • 2.Rd4#
      • 1...Re2
        • 2.Rd4#
      • 1...Rd3
        • 2.Rxd3#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Rd1!
  • Keys
    • 1.Sxd6!
      • threat
        • 2.Qxd2#
      • 1...Rxc2
        • 2.Rd4#
      • 1...Rxf2
        • 2.Rd3#
        • 2.Rd4#
      • 1...Se5
        • 2.Rxe5#
      • 1...Rd1
        • 2.Qxd1#
      • 1...Re2
        • 2.Rd3#
      • 1...Rd3
        • 2.Rxd3#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Sc5
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::R(D),XR(a)
    • R(a);N_GUARD::R1(F),XR(a)
    • S(e);XB(G)::S(E),XS(e)
  • Tries
    • Try
      • K(H);P-FLIGHT,XS(e)
      • Vars
        • R(a);N_GUARD::R1(F)
        • R(a);N_GUARD::R(D),XR(a)
        • R(a);N_GUARD::R1(F),XR(a)
      • Refutation
        • R(a);
  • Actual
    • S(E);XP(d)
    • Threat
      • QAR(A),XR(a)
    • Vars
      • R(a);N_GUARD,P_PINR(D),XP(B)::R1(F)
      • S(e);N_GUARD::R1(F),XS(e)
      • R(a);OGATEB::QAR(A),XR(a)
      • R(a);N_GUARD::R(D)
      • R(a);N_GUARD::R(D),XR(a)
      • R(a);N_GUARD::R1(F),XR(a)
      • S(e);N_GUARD::R1(D),XS(e)
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