MESON Chess Problem Database

Problem Display
PID: 233734 (5K2/2Q1p3/8/p1p1N1P1/Rb3kBP/3Pp3/4p3/4B3 w - - 0 1)

Onkoud, Abdelaziz

Freie Presse, 1998

5K2/2Q1p3/8/p1p1N1P1/Rb3kBP/3Pp3/4p3/4B3

#2

9 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • threat
        • 2.Sg6#
        • 2.Qf5#
      • 1...Kxe5
        • 2.Bg3#
      • 1...e6!
  • Keys
    • 1.Qd8!
      • 1...Kxe5
        • 2.Bg3#
      • 1...c4
        • 2.Qd4#
      • 1...e6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);N_SPINB(c),S_FLIGHT,XS(F)::B(A)
      • Refutation
        • P(g);
  • Actual
    • Q(H);
    • Vars
      • K(d);N_SPINB(c),S_FLIGHT,XS(F)::B(A)
      • P(f);N_GUARD,N_SPINB(c)::QAR2(H)
      • P(g);OGATE::QAR2(H)
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