MESON Chess Problem Database

Problem Display
PID: 118252 (2K5/B7/1pkp4/1p6/3Q4/8/8/8 w - - 0 1)

Pypa, Volodimir Iosifovich

Magadansky Komsomolets, 1989

2K5/B7/1pkp4/1p6/3Q4/8/8/8

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qc4#
    • 1...d5
      • 2.Qxb6#
  • Tries
    • 1.Bxb6?
      • 1...d5
        • 2.Qc5#
        • 2.Qf6#
      • 1...b4!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Qxd6#
      • 1...b4
        • 2.Qc4#
      • 1...d5
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::QAR2(A)
    • P(d);SBLOCK::QAR1(A),XP(b)
  • Tries
    • Try
      • B(B);XP(b)
      • Refutation
        • P(a);
  • Actual
    • B(B);
    • Threat
      • QAR1(A),XP(d)
    • Vars
      • P(a);N_GUARD::QAR2(A)
      • P(d);SBLOCK::QAR(A)
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