MESON Chess Problem Database

Problem Display
PID: 69737 (Q7/4n3/2p5/3r1N2/1N2k1K1/2P1p1B1/8/n7 w - - 0 1)

Elbaz, Mohamed Jamal

Probleemblad, 2006

Q7/4n3/2p5/3r1N2/1N2k1K1/2P1p1B1/8/n7

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Sd6#
    • 1...Rb5
      • 2.Sd6#
    • 1...Rc5
      • 2.Sd6#
    • 1...Re5
      • 2.Sd6#
    • 1...Rd6
      • 2.Sxd6#
    • 1...c5
      • 2.Sd6#
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qg2#
      • 1...Rxf5
        • 2.Qc4#
      • 1...Rd2
        • 2.Qe6#
      • 1...e2
        • 2.Qxe2#
      • 1...Sc2!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qh1#
      • 1...Rxf5
        • 2.Qd4#
      • 1...Rd1
        • 2.Qe5#
      • 1...Rd2
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD,P_SPINP(e)::S(E)
    • R(d);N_GUARD,P_SPINP(e)::S(E),XR(d)
    • P(e);P_SPINR(d)::S(E)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB(F)
      • Vars
        • R(d);N_GUARD,XS(E)::QAR2(F)
        • R(d);OGATE::QAR2(F)
        • P(b);OGATEB::QAR2(F),XP(b)
      • Refutation
        • S(a);
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • R(d);N_GUARD,XS(E)::QAR1(F)
      • R(d);N_GUARD::QAR1(F)
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