MESON Chess Problem Database

Problem Display
PID: 252548 (8/1Q2K3/8/2k5/8/1n2NN2/3P4/8 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2004

8/1Q2K3/8/2k5/8/1n2NN2/3P4/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.d4#
    • 1...Sc1
      • 2.d4#
    • 1...Sa5
      • 2.d4#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sxb3#
        • 2.Se6#
      • 1...Kxd4
        • 2.Qd5#
      • 1...Sxd2
        • 2.Se6#
      • 1...Sa1
        • 2.Se6#
      • 1...Sc1
        • 2.Se6#
      • 1...Sa5
        • 2.Se6#
      • 1...Sxd4!
    • 1.d3?
      • 1...Sa1
        • 2.d4#
      • 1...Sc1
        • 2.d4#
      • 1...Sd2
        • 2.d4#
      • 1...Sa5
        • 2.d4#
      • 1...Sd4!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se6#
      • 1...Kd4
        • 2.Qd5#
      • 1...Sd4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::P(A)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XS(C)::QAR1(D)
        • S(a);XP(A)::S(C)
        • S(a);::S(C)
      • Refutation
        • S(a);XS(C)
    • Try
      • P(A);
      • Vars
        • S(a);N_GUARD::P(A)
      • Refutation
        • S(a);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAR1(D)
      • S(a);SBLOCK::S(C)
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