MESON Chess Problem Database

Problem Display
PID: 231445 (8/8/8/8/6N1/8/4pQ2/4Kn1k w - - 0 1)

Szasz, Lajos

Magyar Sakkvilag, 1927

8/8/8/8/6N1/8/4pQ2/4Kn1k

#2

3 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Qh2#
    • 1...Sh2
      • 2.Qxh2#
    • 1...Se3
      • 2.Qh2#
    • 1...Sg3
      • 2.Qh2#
  • Tries
    • 1.Kxe2?
      • threat
        • 2.Qxf1#
      • 1...Sd2
        • 2.Qh2#
      • 1...Sh2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qh2#
      • 1...Sg3+!
  • Keys
    • 1.Qxe2!
      • threat
        • 2.Qxf1#
      • 1...Kg1
        • 2.Qxf1#
      • 1...Sd2
        • 2.Qh2#
      • 1...Sh2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qh2#
      • 1...Sg3
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR1(B)
    • S(a);N_GUARD::QAR1(B),XS(a)
  • Tries
    • Try
      • K(A);P-FLIGHT,XP(c)
      • Threat
        • QAR2(B),XS(a)
      • Vars
        • S(a);N_GUARD::QAR1(B)
        • S(a);N_GUARD::QAR1(B),XS(a)
      • Refutation
        • S(a);CHECK
  • Actual
    • Q(B);XP(c)
    • Threat
      • QAR2(B),XS(a)
    • Vars
      • K(b);P-FLIGHT::QAR1(B),XS(a)
      • S(a);N_GUARD::QAR1(B)
      • S(a);N_GUARD::QAR1(B),XS(a)
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Developed and maintained by Brian Stephenson.
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