MESON Chess Problem Database

Problem Display
PID: 153813 (1N2B3/KN2p3/2P1r1p1/3kpp2/1Rb5/3pQ3/5P1B/n7 w - - 0 1)

Grinblat, Arieh

Probleemblad, 2014

1N2B3/KN2p3/2P1r1p1/3kpp2/1Rb5/3pQ3/5P1B/n7

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6
      • 2.Qxe5#
    • 1...Rd6
      • 2.Qxe5#
    • 1...Rf6
      • 2.Qxe5#
    • 1...Ba2
      • 2.Qc5#
      • 2.Qxd3#
    • 1...Bb3
      • 2.Qc5#
      • 2.Qxd3#
    • 1...Bb5
      • 2.Qc5#
    • 1...Ba6
      • 2.Qc5#
    • 1...e4
      • 2.Qc5#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Qxe5#
      • 1...e4
        • 2.Qc5#
      • 1...f4!
    • 1.f3?
      • threat
        • 2.Qc5#
      • 1...Rxc6
        • 2.Qxe5#
      • 1...Rd6
        • 2.Qxe5#
      • 1...Rf6
        • 2.Qxe5#
      • 1...Sb3!
  • Keys
    • 1.Sa6!
      • threat
        • 2.Sc7#
      • 1...Rxc6
        • 2.Qxe5#
      • 1...Bxa6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(g);N_GUARD,XP(E)::QAR1(C),XP(e)
    • R(g);N_GUARD::QAR1(C),XP(e)
    • B(c);::QAR1(C)
    • P(e);SBLOCK::QAR1(C)
  • Tries
    • Try
      • B(I);P_PINR(g)
      • Threat
        • QAR1(C),XP(e)
      • Vars
        • P(e);SBLOCK::QAR1(C)
      • Refutation
        • P(f);
    • Try
      • P(A);
      • Threat
        • QAR1(C)
      • Vars
        • R(g);N_GUARD,XP(E)::QAR1(C),XP(e)
        • R(g);N_GUARD::QAR1(C),XP(e)
      • Refutation
        • S(a);
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • R(g);N_GUARD,XP(E)::QAR1(C),XP(e)
      • B(c);XS(H)::QAR1(C)
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