MESON Chess Problem Database

Problem Display
PID: 80107 (1K1kr1R1/1R2p3/6N1/8/8/8/b7/8 w - - 0 1)

Slagmolen, Cornelis

Kikeriki, 1924

(First published on Mon Nov 10 1924)

1K1kr1R1/1R2p3/6N1/8/8/8/b7/8

#2

4 + 4

102 Probleemblad 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Rf8
      • 2.Rxf8#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sc6#
        • 2.Rd7#
      • 1...Rf8
        • 2.Rxf8#
      • 1...Bd5
        • 2.Rd7#
      • 1...Be6
        • 2.Sc6#
      • 1...Rxg8!
  • Keys
    • 1.Sf8!
      • threat
        • 2.Rd7#
      • 1...Rxf8
        • 2.Rxf8#
      • 1...Be6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(d);OGATEB::R(D),XR(d)
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);OGATEB::R(D),XR(d)
        • B(a);::R1(B)
        • B(a);::S(A)
      • Refutation
        • R(d);N_SPINR(d),XR(D)
  • Actual
    • S(A);N_PINR(d)
    • Threat
      • R1(B)
    • Vars
      • R(d);OGATE,P_SPINR(d),XS(A)::R(D),XR(d)
      • B(a);N_GUARD::S(A),XB(a)
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