MESON Chess Problem Database

Problem Display
PID: 66138 (1r2b3/8/4N1p1/8/8/8/npp5/brk1K3 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1967

1r2b3/8/4N1p1/8/8/8/npp5/brk1K3

#2

2 + 9

5810 Minimalkunst im Schach 2006

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Se2#
      • 1...Bb5
        • 2.Sb3#
      • 1...Sc3!
    • 1.Sf4?
      • threat
        • 2.Se2#
        • 2.Sd3#
      • 1...Rb3
        • 2.Se2#
      • 1...Rd8
        • 2.Se2#
      • 1...Sc3
        • 2.Sd3#
      • 1...Sb4
        • 2.Se2#
      • 1...Bb5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sd3#
      • 1...Rb3
        • 2.Sxb3#
      • 1...Rd8
        • 2.Sb3#
      • 1...Bb5
        • 2.Sb3#
      • 1...Sb4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • B(i);S_CUTR(h)::S(B)
      • Refutation
        • S(d);
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(h);::S(B)
        • S(d);::S(B)
      • Refutation
        • B(i);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(h);N_GUARD::S(B),XR(h)
      • R(h);N_GUARD::S(B)
      • B(i);S_CUTR(h)::S(B)
      • S(d);S_CUTR(h)::S(B)
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