MESON Chess Problem Database

Problem Display
PID: 252650 (2K1kb2/4pp2/2p5/8/8/B7/5Q2/8 w - - 0 1)

Rozhkov, P

Zadachi i Etyudi, 2005

2K1kb2/4pp2/2p5/8/8/B7/5Q2/8

#2

3 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qxc6#
      • 1...Bh6
        • 2.Qxe7#
      • 1...Bg7
        • 2.Qxe7#
      • 1...f6
        • 2.Qh5#
      • 1...f5!
    • 1.Qf6?
      • threat
        • 2.Qxc6#
      • 1...Bh6
        • 2.Qxe7#
      • 1...Bg7
        • 2.Qxe7#
      • 1...c5
        • 2.Qc6#
      • 1...e6
        • 2.Qd8#
      • 1...exf6!
  • Keys
    • 1.Qh4!
      • 1...Bh6
        • 2.Qxe7#
      • 1...Bg7
        • 2.Qxe7#
      • 1...f5
        • 2.Qh5#
      • 1...f6
        • 2.Qh5#
      • 1...c5
        • 2.Qa4#
      • 1...e5
        • 2.Qd8#
      • 1...e6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB(A),XP(a)
      • Vars
        • B(e);N_GUARD::QAR1(A),XP(b)
        • P(c);OGATEB::QAB(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAB(A),XP(a)
      • Vars
        • B(e);N_GUARD::QAR1(A),XP(b)
        • P(a);::QAB(A)
        • P(b);OGATE::QAR1(A)
      • Refutation
        • P(b);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • B(e);N_GUARD::QAR1(A),XP(b)
      • P(c);OGATEB::QAB(A)
      • P(a);OGATEB::QAB(A)
      • P(b);OGATE::QAR1(A)
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