MESON Chess Problem Database

Problem Display
PID: 241917 (8/kp6/NN6/2K5/8/8/7p/7Q w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

8/kp6/NN6/2K5/8/8/7p/7Q

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa6
      • 2.Qa1#
    • 1...bxa6
      • 2.Qa8#
  • Tries
    • 1.Sc8+?
      • 1...Kxa6
        • 2.Qa1#
      • 1...Ka8!
  • Keys
    • 1.Qxh2!
      • 1...Kxa6
        • 2.Qa2#
      • 1...bxa6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P-FLIGHT,XS(C)::QAR(A)
    • P(c);OGATE,SBLOCK,XS(C)::QAR1(A)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR(A)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c)
  • Actual
    • Q(A);XP(a)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XS(C)::QAR(A)
      • P(c);OGATEB,SBLOCK,XS(C)::QAR2(A)
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Developed and maintained by Brian Stephenson.
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