MESON Chess Problem Database

Problem Display
PID: 85839 (6Rn/1B6/8/8/2N5/n6p/K6k/R6N w - - 0 1)

Speckmann, Werner

Aachener Nachrichten, 1970

6Rn/1B6/8/8/2N5/n6p/K6k/R6N

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sf1#
        • 2.Rh1#
      • 1...Sb1
        • 2.Sf1#
      • 1...Sg6!
    • 1.Sd2?
      • threat
        • 2.Sf1#
        • 2.Sf3#
      • 1...Sb1
        • 2.Sf1#
      • 1...Sg6!
    • 1.Se5?
      • threat
        • 2.Sf3#
        • 2.Sg4#
      • 1...Sg6
        • 2.Sg4#
      • 1...Sb1!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sf1#
        • 2.Sg4#
      • 1...Sb1
        • 2.Sf1#
      • 1...Sg6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::S(B)
      • Refutation
        • S(d);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::S(D)
      • Refutation
        • S(d);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);::S(D)
      • Refutation
        • S(b);
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • S(b);::S(D)
      • S(d);::S(D)
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