MESON Chess Problem Database

Problem Display
PID: 152877 (4K2B/6R1/8/8/1pN1ppQ1/1Bkr3R/p2N1q2/6bb w - - 0 1)

Harley, Brian

British Chess Magazine, 1934

4K2B/6R1/8/8/1pN1ppQ1/1Bkr3R/p2N1q2/6bb

#2

8 + 9

15290 Harley Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rg5#
    • 1...Re3
      • 2.Rd7#
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qa1#
      • 1...Kd4
        • 2.Rg5#
      • 1...Qxd2
        • 2.Rxg1#
      • 1...Rxh3
        • 2.Rg3#
      • 1...Re3
        • 2.Rd7#
      • 1...Rf3
        • 2.Sxe4#
      • 1...Rg3
        • 2.Rgxg3#
      • 1...a1Q
        • 2.Qxa1#
      • 1...a1S
        • 2.Qxa1#
      • 1...a1B
        • 2.Qxa1#
      • 1...a1R
        • 2.Qxa1#
      • 1...Qe1
        • 2.Rxg1#
      • 1...Qf1
        • 2.Rxg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(e);N_SPINR(f),S_FLIGHT::B(H)+R(F)
    • R(f);S_CUTQ(d)::B(H)+R(F)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • K(e);N_SPINR(f),S_FLIGHT::B(H)+R(F)
      • Q(d);N_GUARD,XS(A)::B(H)+R(F),XB(a)
      • R(f);N_SPINR(f),XR(C)::B(H)+R(F),DCHECK
      • R(f);S_CUTQ(d)::B(H)+R(F)
      • R(f);S_CUTB(b)::S(A),XP(h)
      • R(f);::B(H)+R(F),DCHECK,XR(f)
      • P(c);::QAB(E),XQ(c)
      • P(c);::QAB(E),XS(c)
      • P(c);::QAB(E),XB(c)
      • P(c);::QAB(E),XR(c)
      • Q(d);N_GUARD::B(H)+R(F),XB(a)
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