MESON Chess Problem Database

Problem Display
PID: 243350 (n1B3b1/3N4/2k5/PN6/2P3p1/5n2/Q7/7K w - - 0 1)

Apro, Laszlo

5th Comm., Tipografia TE, 1962

n1B3b1/3N4/2k5/PN6/2P3p1/5n2/Q7/7K

#2

7 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4
      • 2.Qxc4#
  • Tries
    • 1.Se5+?
      • 1...Kc5
        • 2.Qa3#
      • 1...Sxe5!
    • 1.Qf2?
      • threat
        • 2.Sb8#
        • 2.Qc5#
      • 1...Bxc4
        • 2.Qc5#
      • 1...Sd4!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Sb8#
        • 2.Qc5#
        • 2.Qd6#
      • 1...Bxc4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE,XP(C)::QAR2(B),XB(e)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB(B)
      • Refutation
        • S(a);XS(F)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);XP(C)::QAR1(B)
      • Refutation
        • S(a);
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • B(e);XP(C)::QAR1(B)
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