MESON Chess Problem Database

Problem Display
PID: 24558 (6K1/8/1N3Rp1/2BNkr2/6BP/3p1P2/3P4/8 w - - 0 1)

Kuskop, Friedrich Amandus Leopold

1st Prize, Otago Witness, 1898

6K1/8/1N3Rp1/2BNkr2/6BP/3p1P2/3P4/8

#2

9 + 4

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf3
      • 2.Re6#
    • 1...Rf4
      • 2.Re6#
    • 1...Rg5
      • 2.Re6#
    • 1...Rh5
      • 2.Re6#
  • Tries
    • 1.Rxf5+?
      • 1...Ke6
        • 2.Sf4#
        • 2.Sc7#
        • 2.Rg5#
        • 2.Rh5#
      • 1...gxf5!
    • 1.Rd6?
      • threat
        • 2.Sc4#
        • 2.Sd7#
      • 1...Rxf3
        • 2.Re6#
      • 1...Rf4
        • 2.Sd7#
        • 2.Re6#
      • 1...Rf7
        • 2.Sc4#
        • 2.Re6#
      • 1...Rf8+!
    • 1.f4+?
      • 1...Rxf4
        • 2.Re6#
      • 1...Ke4!
  • Keys
    • 1.Sf4!
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kxf6
        • 2.Sd7#
      • 1...Rxf4
        • 2.Re6#
      • 1...Rxf6
        • 2.Sxd3#
      • 1...Rg5
        • 2.Sd7#
      • 1...Rh5
        • 2.Sd7#
      • 1...g5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(c);XP(B)::R1(H)
    • R(c);::R1(H)
  • Tries
    • Try
      • R(H);CHECK,XR(c)
      • Refutation
        • P(d);XR(H)
    • Try
      • R(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);XP(B)::R1(H)
      • Refutation
        • R(c);CHECK
    • Try
      • P(B);CHECK
      • Vars
        • R(c);XP(B)::R1(H)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(b);P_SPINR(c),S_FLIGHT,XS(F)::B(E)
      • K(b);S_FLIGHT,XR(H)::S(G)
      • R(c);SBLOCK,XS(F)::R1(H)
      • R(c);SBLOCK,XR(H)::S(F),XP(a)
      • R(c);::S(G)
      • P(d);N_GUARD::R1(H),XR(c)
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