MESON Chess Problem Database

Problem Display
PID: 153477 (r7/q2BpQ2/bp2R3/n2kN2r/6p1/2pp2Kp/8/6B1 w - - 0 1)

Betts, Frederick Charles

Hull Times, 0000

r7/q2BpQ2/bp2R3/n2kN2r/6p1/2pp2Kp/8/6B1

#2

6 + 12

15351 SCPF/BCPS Black Books 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Bc6#
    • 1...Sc4
      • 2.Bc6#
    • 1...Sc6
      • 2.Bxc6#
    • 1...Sb7
      • 2.Bc6#
  • Tries
    • 1.Rd6+?
      • 1...Ke4
        • 2.Qd5#
        • 2.Qf4#
      • 1...Kxe5
        • 2.Qd5#
        • 2.Qe6#
        • 2.Qf4#
        • 2.Qxe7#
      • 1...Kxd6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Re5#
        • 2.Rxe7#
      • 1...Qb8+
        • 2.Re5#
      • 1...Qc7+
        • 2.Re5#
      • 1...Kxc4
        • 2.Re4#
      • 1...Qxd7
        • 2.Sxb6#
      • 1...Bxc4
        • 2.Qxh5#
      • 1...Sxc4
        • 2.Bc6#
      • 1...Re5
        • 2.Rxe5#
      • 1...Rf5
        • 2.Re5#
      • 1...Rh6
        • 2.Re5#
      • 1...Rh7
        • 2.Re5#
      • 1...Rf8
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 3
  • Sets
    • S(e);N_GUARD::B(E)
    • S(e);N_GUARD::B(E),XS(e)
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(f);P-FLIGHT,XR(D)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • Q(j);CHECK::QAB(F)+R(D),DCHECK
      • K(f);S_FLIGHT,XS(C)::QAB(F)+R(D),DCHECK
      • Q(j);N_GUARD,XB(E)::S(C),XP(i)
      • B(h);SBLOCK,XS(C)::QAR(F),XR(g)
      • S(e);N_GUARD,SBLOCK,XS(C)::B(E)
      • R(g);::QAB(F)+R(D),DCHECK,XR(g)
      • R(g);::QAB(F)+R(D),DCHECK
      • R(l);::QAB(F)+R(D),DCHECK
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