MESON Chess Problem Database

Problem Display
PID: 82279 (8/5p2/8/pKNpP1R1/3k1n2/4N3/3n1P2/2R3Q1 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Mat, 1985

8/5p2/8/pKNpP1R1/3k1n2/4N3/3n1P2/2R3Q1

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3?
      • threat
        • 2.Sc2#
      • 1...Sf3
        • 2.Qxf4#
      • 1...Sd3
        • 2.Sf5#
      • 1...f5!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Sf5#
      • 1...f5
        • 2.Sxf5#
      • 1...Se4
        • 2.Sc2#
      • 1...Se2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • S(D)
      • Vars
        • S(a);N_GUARD::QAR2(B),XS(c)
        • S(c);::S(D)
      • Refutation
        • P(f);
  • Actual
    • Q(B);
    • Threat
      • S(D)
    • Vars
      • P(f);::S(D),XP(f)
      • S(a);::S(D)
      • S(c);N_GUARD::QAR2(B),XS(a)
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