MESON Chess Problem Database

Problem Display
PID: 16591 (8/1NrrQ1B1/5p2/N2kn3/8/4R3/2B5/K6b w - - 0 1)

Kiss, Lajos

5th Prize, Raketa, 1941

8/1NrrQ1B1/5p2/N2kn3/8/4R3/2B5/K6b

#2

7 + 6

3174 The Two-move Chess Problem Tradition and Development 1966

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qxd6#
    • 1...Sd3
      • 2.Rxd3#
    • 1...Sf3
      • 2.Qe4#
    • 1...Sc4
      • 2.Rd3#
    • 1...Sg4
      • 2.Rd3#
    • 1...Sc6
      • 2.Qc5#
    • 1...Sg6
      • 2.Rd3#
    • 1...Sf7
      • 2.Rd3#
    • 1...f5
      • 2.Qxe5#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qxe5#
      • 1...Sd3
        • 2.Rxd3#
        • 2.Qe6#
      • 1...Sf3
        • 2.Be4#
        • 2.Qe4#
        • 2.Qe6#
      • 1...Sc4
        • 2.Rd3#
        • 2.Qe6#
      • 1...Sg4
        • 2.Rd3#
        • 2.Qe6#
      • 1...Sc6
        • 2.Bb3#
        • 2.Qc5#
        • 2.Qe6#
      • 1...Sg6
        • 2.Rd3#
        • 2.Qe6#
      • 1...Sf7
        • 2.Rd3#
        • 2.Qe6#
      • 1...Rxe7!
    • 1.Rxe5+?
      • 1...fxe5
        • 2.Qxe5#
      • 1...Kd4!
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qxe5#
      • 1...Re7
        • 2.Qd6#
      • 1...Sd3
        • 2.Qd4#
        • 2.Qe6#
      • 1...Sf3
        • 2.Be4#
        • 2.Qe6#
      • 1...Sc4
        • 2.Qd4#
        • 2.Qe6#
      • 1...Sg4
        • 2.Qd4#
        • 2.Qe6#
      • 1...Sc6
        • 2.Bb3#
        • 2.Qe6#
      • 1...Sg6
        • 2.Qd4#
        • 2.Qe6#
      • 1...Sf7
        • 2.Qd4#
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(f);N_GUARD::QAR1(F),XR(f)
    • S(c);N_GUARD::R(C),XS(c)
    • S(c);OGATE::QAB1(F)
    • S(c);N_GUARD::R(C)
    • S(c);S_CUTR(e)::QAR1(F)
    • P(d);N_GUARD::QAR1(F),XS(c)
  • Tries
    • Try
      • B(G);XP(d)
      • Threat
        • QAR1(F),XS(c)
      • Vars
        • K(b);P-FLIGHT,P_SPINS(c)::QAB1(F),XS(c)
      • Refutation
        • R(f);XQ(F)
    • Try
      • R(C);CHECK,XS(c)
      • Vars
        • P(d);OGATE,XR(C)::QAR1(F),XP(d)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(F);XP(d)
    • Threat
      • QAR1(F),XS(c)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(c)::QAB1(F),XS(c)
      • R(f);N_GUARD::QAR1(F)
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