MESON Chess Problem Database

Problem Display
PID: 196811 (8/2pK4/8/3k4/1Qp5/2P2P2/2BP4/1q6 w - - 0 1)

Anonymous

BCPS Victory Ty., 1919

8/2pK4/8/3k4/1Qp5/2P2P2/2BP4/1q6

#2

6 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Qd6#
  • Tries
    • 1.Qxc4+?
      • 1...Ke5
        • 2.Qd4#
      • 1...Kxc4!
  • Keys
    • 1.d4!
      • threat
        • 2.Qc5#
      • 1...Qxb4
        • 2.Be4#
      • 1...cxd4 ep
        • 2.Qd4#
      • 1...c5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::QAR1(E)
  • Tries
    • Try
      • Q(E);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT::QAB1(E)
      • Refutation
        • K(c);S_FLIGHT,XQ(E)
  • Actual
    • P(B);
    • Threat
      • QAR1(E)
    • Vars
      • Q(a);N_GUARD,XQ(E)::B(A)
      • P(b);EP,OGATE,XP(B)::QAR1(E)
      • P(d);::QAR1(E),XP(d)
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