MESON Chess Problem Database

Problem Display
PID: 261960 (8/6q1/2pP4/3P1Pp1/1pB1k1K1/2b2N2/5P2/2N5 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Problemnoter, 1964

8/6q1/2pP4/3P1Pp1/1pB1k1K1/2b2N2/5P2/2N5

#2

8 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...cxd5
      • 2.Bd3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sc5#
      • 1...Qd4
        • 2.Sxg5#
      • 1...Bd4
        • 2.Sd2#
      • 1...c5
        • 2.Sxc5#
      • 1...Qa7!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sg3#
      • 1...Qe5
        • 2.Sxg5#
      • 1...Be5
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(e);SBLOCK,XP(F)::B(D)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • Q(f);N_GUARD,SBLOCK::S(C),XP(d)
        • B(a);N_GUARD,SBLOCK::S(C)
        • P(e);::S(A),XP(e)
      • Refutation
        • Q(f);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • Q(f);N_GUARD,SBLOCK::S(C),XP(d)
      • B(a);N_GUARD,SBLOCK::S(C)
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