MESON Chess Problem Database

Problem Display
PID: 261127 (3n4/8/pK1p1N2/3N3Q/2pk1p2/5p1R/3Pn3/1B2Rb1q w - - 0 1)

Ahues, Herbert Siegfried Oskar

2nd Comm., Neue Zurcher Zeitung, 2016

3n4/8/pK1p1N2/3N3Q/2pk1p2/5p1R/3Pn3/1B2Rb1q

#2

8 + 10

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Re4#
    • 1...Sg1
      • 2.Re4#
    • 1...Sc3
      • 2.dxc3#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Qd5#
      • 1...f2
        • 2.Sc2#
      • 1...d5
        • 2.Qxd5#
      • 1...Sc3!
    • 1.Se7?
      • threat
        • 2.Qd5#
      • 1...Sc3
        • 2.Sf5#
      • 1...d5
        • 2.Qxd5#
      • 1...f2!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qd5#
      • 1...Sc3
        • 2.Sf5#
      • 1...f2
        • 2.Sc2#
      • 1...d5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(c);OGATE::R1(B)
    • S(c);OGATE::P(C),XS(c)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(F)
      • Vars
        • P(d);::S(E)
        • P(i);::QAR1(F),XP(i)
      • Refutation
        • S(c);
    • Try
      • S(E);
      • Threat
        • QAR1(F)
      • Vars
        • S(c);::S(E)
        • P(i);::QAR1(F),XP(i)
      • Refutation
        • P(d);
  • Actual
    • S(E);
    • Threat
      • QAR1(F)
    • Vars
      • S(c);::S(E)
      • P(d);::S(E)
      • P(i);::QAR1(F),XP(i)
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