MESON Chess Problem Database

Problem Display
PID: 115115 (7R/2p1k1p1/2PpppP1/1K6/P6Q/7p/8/8 w - - 0 1)

Battaglia, Emilio

Canadian Chess Chat, 1981

7R/2p1k1p1/2PpppP1/1K6/P6Q/7p/8/8

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qb4#
  • Tries
    • 1.Qc4?
      • 1...d5
        • 2.Qb4#
        • 2.Qc5#
      • 1...f5
        • 2.Qh4#
      • 1...e5
        • 2.Qf7#
      • 1...h2!
    • 1.Qg4?
      • 1...d5
        • 2.Qb4#
      • 1...f5
        • 2.Qh4#
        • 2.Qg5#
      • 1...e5
        • 2.Qd7#
      • 1...h2!
  • Keys
    • 1.Qxh3!
      • 1...d5
        • 2.Qa3#
      • 1...f5
        • 2.Qh4#
      • 1...e5
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(B)
  • Tries
    • Try
      • Q(B);N_PINP(d)
      • Vars
        • P(d);OGATEB::QAB(B)
        • P(c);OGATE::QAR1(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);N_PINP(d)
      • Vars
        • P(b);OGATEB::QAB(B)
        • P(c);OGATE::QAR1(B)
      • Refutation
        • P(a);
  • Actual
    • Q(B);N_PINP(d),XP(a)
    • Vars
      • P(b);OGATEB::QAB(B)
      • P(d);OGATEB::QAB(B)
      • P(c);OGATE::QAR1(B)
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