MESON Chess Problem Database

Problem Display
PID: 146490 (5k1K/r3p3/1p6/5b1B/3N3B/8/5Q2/1q2r3 w - - 0 1)

Kemp, Charles Edward

British Chess Magazine, 1934

5k1K/r3p3/1p6/5b1B/3N3B/8/5Q2/1q2r3

#2

5 + 7

15044 Kemp Archive 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Qxf5#
    • 1...Qc1
      • 2.Qxf5#
    • 1...Qd1
      • 2.Qxf5#
    • 1...Qb2
      • 2.Qxf5#
    • 1...Qb4
      • 2.Qxf5#
    • 1...Rc1
      • 2.Se6#
    • 1...Rd1
      • 2.Se6#
    • 1...Rf1
      • 2.Se6#
    • 1...Rg1
      • 2.Se6#
    • 1...Rh1
      • 2.Se6#
    • 1...Re4
      • 2.Qxf5#
    • 1...Re6
      • 2.Sxe6#
    • 1...e5
      • 2.Se6#
  • Tries
    • 1.Bg5?
      • threat
        • 2.Bh6#
      • 1...Qc1
        • 2.Qxf5#
      • 1...Rg1
        • 2.Se6#
      • 1...Re6
        • 2.Sxe6#
      • 1...e5
        • 2.Se6#
      • 1...e6!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qh6#
      • 1...Qc1
        • 2.Qxf5#
      • 1...Rg1
        • 2.Se6#
      • 1...Re6
        • 2.Sxe6#
        • 2.Qb8#
      • 1...e5
        • 2.Se6#
      • 1...e6
        • 2.Qb8#

This is a version of 256884

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(a);N_GUARD,P_PINS(B)::QAR(A),XB(c)
    • Q(a);N_GUARD::QAR(A),XB(c)
    • R(b);N_GUARD::S(B)
    • R(b);S_CUTQ(a)::QAR(A),XB(c)
    • R(b);N_GUARD::S(B),XR(b)
    • P(f);S_CUTR(b)::S(B)
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • Q(a);N_GUARD::QAR(A),XB(c)
        • R(b);N_GUARD::S(B)
        • R(b);N_GUARD::S(B),XR(b)
        • P(f);S_CUTR(b)::S(B)
      • Refutation
        • P(f);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • Q(a);N_GUARD::QAR(A),XB(c)
      • R(b);N_GUARD::S(B)
      • P(f);S_CUTR(b)::S(B)
      • P(f);::QAR(A)
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