MESON Chess Problem Database

Problem Display
PID: 77821 (5KQ1/8/8/7k/4p3/5P2/5Bp1/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

2nd HM., Azerbaijan CCC, 2007

5KQ1/8/8/7k/4p3/5P2/5Bp1/8

#2

4 + 3

145 StrateGems 2007
136 Problem Observer 2008
145 StrateGems 2009
15148 Sadier Collection 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Bh4?
      • threat
        • 2.Qh7#
        • 2.Qg5#
      • 1...Kxh4
        • 2.Qg4#
      • 1...exf3
        • 2.Qg5#
      • 1...g1Q
        • 2.Qh7#
      • 1...g1R
        • 2.Qh7#
      • 1...Kh6!
    • 1.Qf7+?
      • 1...Kh6
        • 2.Be3#
      • 1...Kg5!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qh7#
        • 2.Qg4#
        • 2.Qg5#
      • 1...Kh4
        • 2.Qg4#
      • 1...exf3
        • 2.Qg5#
      • 1...g1Q
        • 2.Qh7#
      • 1...g1R
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT,XB(A)::QAR1(D)
        • P(b);XP(B)::QAR1(D)
        • P(a);::QAR2(D)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);P-FLIGHT::B(A)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT::QAR1(D)
      • P(b);XP(B)::QAR1(D)
      • P(a);::QAR2(D)
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