MESON Chess Problem Database

Problem Display
PID: 254383 (3K4/8/n2k4/8/2b1Q3/1N6/2N5/8 w - - 0 1)

Zimmer, Eligiusz

Zadachi i Etyudi, 2005

3K4/8/n2k4/8/2b1Q3/1N6/2N5/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • threat
        • 2.Qe7#
      • 1...Be6
        • 2.Qf4#
      • 1...Sxb4!
    • 1.Scd4?
      • threat
        • 2.Sf5#
      • 1...Bd5
        • 2.Qf4#
        • 2.Qe7#
      • 1...Be6
        • 2.Sb5#
        • 2.Qxe6#
      • 1...Bxb3!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sb7#
      • 1...Kc5
        • 2.Qc6#
      • 1...Bd5
        • 2.Qe7#
      • 1...Sc5
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAB1(C)
      • Vars
        • B(a);SBLOCK::QAB(C)
      • Refutation
        • S(b);XS(A)
    • Try
      • S(A);
      • Threat
        • S(A)
      • Refutation
        • B(a);XS(B)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(c);N_GUARD,S_FLIGHT::QAR1(C)
      • B(a);SBLOCK::QAB1(C)
      • S(b);SBLOCK::S(B),XB(a)
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