MESON Chess Problem Database

Problem Display
PID: 264857 (8/3N4/1r6/k7/2Q5/8/2K5/8 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

The Problemist, 1993

8/3N4/1r6/k7/2Q5/8/2K5/8

#2

3 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Qc5+!
      • 1...Ka4
        • 2.Sxb6#
      • 1...Ka6
        • 2.Qxb6#
      • 1...Rb5
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);CHECK
    • Vars
      • K(a);N_GUARD,P-FLIGHT::S(C),XR(b)
      • K(a);N_GUARD,P-FLIGHT::QAR1(B),XR(b)
      • R(b);P_SPINR(b),SBLOCK::QAR2(B)
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