MESON Chess Problem Database

Problem Display
PID: 47498 (5K1k/3b3P/5pP1/2p5/2P5/8/2P3Q1/8 w - - 0 1)

Ugren, Ljubomir

The Problemist, 2003

5K1k/3b3P/5pP1/2p5/2P5/8/2P3Q1/8

#2

6 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Qa1#
      • 1...Bf5!
    • 1.Qf3?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Qc3#
      • 1...Bf5!
    • 1.Qe4?
      • threat
        • 2.g7#
      • 1...f5
        • 2.Qe5#
      • 1...Bf5!
    • 1.Qg5?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Qf6#
      • 1...fxg5!
  • Keys
    • 1.Qb7!
      • 1...Bf5
        • 2.Qg7#
      • 1...Bh3
        • 2.Qg7#
      • 1...Ba4
        • 2.Qg7#
      • 1...Bg4
        • 2.Qg7#
      • 1...Bb5
        • 2.Qg7#
      • 1...Bc6
        • 2.Qg7#
      • 1...Be6
        • 2.Qg7#
      • 1...Bc8
        • 2.Qg7#
      • 1...Be8
        • 2.Qg7#
      • 1...f5
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB(B),XP(b)
      • Vars
        • P(b);OGATEB::QAB(B)
      • Refutation
        • B(c);
    • Try
      • Q(B);
      • Threat
        • QAB(B),XP(b)
      • Vars
        • P(b);OGATEB::QAB(B)
      • Refutation
        • B(c);
    • Try
      • Q(B);
      • Threat
        • P(D)
      • Vars
        • P(b);OGATEB::QAB(B)
      • Refutation
        • B(c);
    • Try
      • Q(B);
      • Threat
        • QAB(B),XP(b)
      • Vars
        • P(b);::QAB(B)
      • Refutation
        • P(b);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • B(c);OGATE::QAB1(B)
      • P(b);OGATEB::QAB(B)
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