MESON Chess Problem Database

Problem Display
PID: 79164 (7r/8/8/7p/8/R5nk/8/3Q2K1 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Problemist Pribuzhya, 1992

7r/8/8/7p/8/R5nk/8/3Q2K1

#2

3 + 4

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Qxh5#
    • 1...Rb8
      • 2.Qxh5#
    • 1...Rc8
      • 2.Qxh5#
    • 1...Rd8
      • 2.Qxh5#
    • 1...Re8
      • 2.Qxh5#
    • 1...Rf8
      • 2.Qxh5#
    • 1...Rg8
      • 2.Qxh5#
    • 1...h4
      • 2.Qd7#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qxg3#
      • 1...Kh4
        • 2.Qxg3#
      • 1...Rg8
        • 2.Qxh5#
      • 1...h4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD::QAR2(A),XP(c)
    • P(c);SBLOCK::QAB(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XS(a)
    • Vars
      • K(b);N_SPINS(a),P-FLIGHT::QAB1(A),XS(a)
      • R(d);N_GUARD::QAR2(A),XP(c)
      • P(c);SBLOCK::QAB(A)
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