MESON Chess Problem Database

Problem Display
PID: 262728 (1B6/6pQ/5PpP/7P/8/8/6P1/5K1k w - - 0 1)

Kapustin, Fedor Mikhailovich

3rd Comm., SuperProblem, 2018

1B6/6pQ/5PpP/7P/8/8/6P1/5K1k

#2

7 + 3

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.hxg6?
      • threat
        • 2.hxg7#
      • 1...gxh6
        • 2.Qxh6#
      • 1...gxf6!
    • 1.hxg7?
      • threat
        • 2.hxg6#
      • 1...gxh5
        • 2.Qxh5#
      • 1...g5!
  • Keys
    • 1.g4!
      • 1...gxh5
        • 2.Qe4#
      • 1...gxf6
        • 2.Qb7#
      • 1...gxh6
        • 2.Qb7#
      • 1...g5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);XP(b)
      • Threat
        • QAR(F)+P(E),XP(c)
      • Vars
        • P(c);OGATE,P_SPINP(c),XP(E)::QAR(F),XP(c)
      • Refutation
        • P(c);XP(D)
    • Try
      • P(E);XP(c)
      • Threat
        • QAR(F)+P(C),XP(b)
      • Vars
        • P(b);OGATE,P_SPINP(b),XP(C)::QAR(F),XP(b)
      • Refutation
        • P(b);
  • Actual
    • P(B);
    • Vars
      • P(b);OGATE,XP(C)::QAB(F)
      • P(c);OGATE,XP(D)::QAB(F)
      • P(c);OGATE,XP(E)::QAB(F)
      • P(b);OGATE::QAB(F)
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