MESON Chess Problem Database

Problem Display
PID: 117844 (8/8/8/8/6K1/8/5pkN/Q5b1 w - - 0 1)

Onkoud, Abdelaziz

Apprenti Sorcier, 1996

8/8/8/8/6K1/8/5pkN/Q5b1

#2

3 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1+?
      • 1...Kxh2
        • 2.Qh3#
      • 1...Kh1!
  • Keys
    • 1.Sf1!
      • 1...Kh1
        • 2.Qa8#
      • 1...Bh2
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT,XS(B)::QAR1(A)
      • Refutation
        • K(c);P_SPINB(a),S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(c);S_FLIGHT::QAB(A)
      • B(a);SBLOCK::S(B)
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