MESON Chess Problem Database

Problem Display
PID: 47770 (3K4/8/3kN3/1P6/2b1Q3/2P5/8/8 w - - 0 1)

Zimmer, Eligiusz

StrateGems, 2003

3K4/8/3kN3/1P6/2b1Q3/2P5/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Qe7#
      • 1...Kc5
        • 2.Qc6#
      • 1...Bxb5
        • 2.Qd5#
      • 1...Be6!
    • 1.Sc7?
      • threat
        • 2.Qe7#
      • 1...Kc5
        • 2.Qc6#
        • 2.Qd4#
      • 1...Bxb5
        • 2.Qd5#
      • 1...Be6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb7#
      • 1...Kxc5
        • 2.Qc6#
      • 1...Bd5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • B(a);N_GUARD,XP(C)::QAR1(B)
      • Refutation
        • B(a);
    • Try
      • S(D);
      • Threat
        • QAB1(B)
      • Vars
        • B(a);N_GUARD,XP(C)::QAR1(B)
      • Refutation
        • B(a);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT,XS(D)::QAR1(B)
      • B(a);SBLOCK::QAB1(B)
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