MESON Chess Problem Database

Problem Display
PID: 146981 (2K1k3/R6N/1N3p2/6R1/8/2n5/4n3/3Bqrr1 w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

Chess, 1955

2K1k3/R6N/1N3p2/6R1/8/2n5/4n3/3Bqrr1

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Rg8#
    • 1...Sc1
      • 2.Bh5#
    • 1...Sg3
      • 2.Rg8#
    • 1...Sd4
      • 2.Bh5#
    • 1...Sb1
      • 2.Ba4#
    • 1...Sa2
      • 2.Ba4#
    • 1...Sa4
      • 2.Bxa4#
    • 1...Se4
      • 2.Ba4#
    • 1...Sd5
      • 2.Ba4#
  • Tries
    • 1.Bb3?
      • threat
        • 2.Bf7#
      • 1...Sd5
        • 2.Ba4#
      • 1...fxg5!
    • 1.Ba4+?
      • 1...Sb5
        • 2.Bxb5#
      • 1...Sxa4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Re7#
      • 1...Sxd5
        • 2.Ba4#
      • 1...Sc1
        • 2.Bh5#
      • 1...Sg3
        • 2.Rg8#
      • 1...Sd4
        • 2.Bh5#
      • 1...Sf4
        • 2.Sdxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::R(B)
    • S(d);OGATE::B(A)
    • S(d);S_CUTR(c)::R(B)
    • S(e);N_GUARD::B(A)
    • S(e);N_GUARD::B(A),XS(e)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • S(e);N_GUARD::B(A)
      • Refutation
        • P(f);XR(B)
    • Try
      • B(A);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::B(A),XS(e)
      • Refutation
        • S(e);XB(A)
  • Actual
    • S(C);
    • Threat
      • R1(D)
    • Vars
      • S(e);N_GUARD,XS(C)::B(A)
      • S(d);OGATE::B(A)
      • S(d);S_CUTR(c)::R(B)
      • S(d);S_CUTR(b)::S(C),XP(f)
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