MESON Chess Problem Database

Problem Display
PID: 183722 (3b4/8/7p/8/2Q2P1k/7P/7K/1b6 w - - 0 1)

Onufrienko, Sergey

Kudesnik, 2018

3b4/8/7p/8/2Q2P1k/7P/7K/1b6

#2

4 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qg4#
      • 1...h5
        • 2.Qe1#
        • 2.Qf2#
      • 1...Bf5!
    • 1.Qc8?
      • threat
        • 2.Qg4#
      • 1...Kh5
        • 2.Qg4#
      • 1...h5
        • 2.Qxd8#
      • 1...Bf5!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qg4#
        • 2.Qxh6#
      • 1...Kh5
        • 2.Qg4#
      • 1...Bf5
        • 2.Qxh6#
      • 1...Bg6
        • 2.Qg4#
      • 1...Bg5
        • 2.Qg4#
      • 1...Bf6
        • 2.Qg4#
      • 1...h5
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Refutation
        • B(a);
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
        • P(c);SBLOCK::QAB(C),XB(d)
      • Refutation
        • B(a);
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAB1(C)
      • B(a);::QAR2(C),XP(c)
      • B(a);::QAR1(C)
      • B(d);::QAR1(C)
      • P(c);SBLOCK::QAB(C)
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