MESON Chess Problem Database

Problem Display
PID: 75958 (2K5/3p4/2P1p3/3k4/N4P2/3B4/7Q/8 w - - 0 1)

Anonymous

3rd Prize, The Tablet, 1920

2K5/3p4/2P1p3/3k4/N4P2/3B4/7Q/8

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qh1+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kd6!
    • 1.Qg2+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kd6!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qxd7#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxc6
        • 2.Qxd7#
      • 1...Kd6
        • 2.Qxd7#
      • 1...dxc6
        • 2.Qd7#
      • 1...d6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A),XP(c)
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XP(E)::QAB1(A),XP(c)
      • K(a);P-FLIGHT::QAR1(A),XP(c)
      • P(c);XP(E)::QAR2(A)
      • P(c);SBLOCK::QAB1(A)
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