MESON Chess Problem Database

Problem Display
PID: 186927 (8/4pp2/2p5/3p2Q1/NnpkN3/5P2/8/5BK1 w - - 0 1)

Nagnibida, Mykola Ivanovich

Schach in Schleswig-Holstein, 2000

8/4pp2/2p5/3p2Q1/NnpkN3/5P2/8/5BK1

#2

6 + 7

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Qc5#
  • Tries
    • 1.Sec3?
      • threat
        • 2.Qf4#
      • 1...Sd3
        • 2.Se2#
      • 1...e5!
    • 1.Sd6?
      • threat
        • 2.Qf4#
      • 1...e5
        • 2.Sf5#
      • 1...Sd3!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qf4#
      • 1...Sd3
        • 2.Se2#
      • 1...e5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATE,XS(E)::QAB1(F)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR2(F)
      • Vars
        • S(a);SBLOCK::S(E)
      • Refutation
        • P(f);
    • Try
      • S(E);
      • Threat
        • QAR2(F)
      • Vars
        • P(f);SBLOCK::S(E)
      • Refutation
        • S(a);
  • Actual
    • S(E);
    • Threat
      • QAR2(F)
    • Vars
      • S(a);SBLOCK::S(E)
      • P(f);SBLOCK::S(E)
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