MESON Chess Problem Database

Problem Display
PID: 70779 (5k1B/3p1N1p/R7/3N4/Q7/2p3rb/6R1/K7 w - - 0 1)

Kisis, Imants J

Schach, 1981

5k1B/3p1N1p/R7/3N4/Q7/2p3rb/6R1/K7

#2

7 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Ra8#
      • 1...Ke8
        • 2.Ra8#
      • 1...Kg8
        • 2.Ra8#
      • 1...d6!
    • 1.Sd6?
      • threat
        • 2.Ra8#
      • 1...Kg8
        • 2.Ra8#
      • 1...Re3!
    • 1.Sh6?
      • threat
        • 2.Ra8#
      • 1...Ke8
        • 2.Ra8#
      • 1...Re3
        • 2.Rg8#
      • 1...d6!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Qa8#
      • 1...Ke8
        • 2.Qa8#
      • 1...Kg8
        • 2.Qa8#
      • 1...d6
        • 2.Sh6#
      • 1...Re3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • R(E)
      • Vars
        • K(f);P-FLIGHT,P_SPINP(d)::R(E)
        • K(f);P-FLIGHT,P_SPINR(b)::R(E)
      • Refutation
        • P(d);
    • Try
      • S(F);
      • Threat
        • R(E)
      • Vars
        • K(f);P-FLIGHT,P_SPINR(b)::R(E)
      • Refutation
        • R(b);
    • Try
      • S(F);
      • Threat
        • R(E)
      • Vars
        • K(f);P-FLIGHT,P_SPINP(d)::R(E)
        • R(b);OGATE::R1(B)
      • Refutation
        • P(d);
  • Actual
    • R(E);
    • Threat
      • QAR(C)
    • Vars
      • K(f);P-FLIGHT,P_SPINP(d)::QAR(C)
      • K(f);P-FLIGHT,P_SPINR(b)::QAR(C)
      • P(d);::R(E)+S(F)
      • R(b);::R(E)+S(F)
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