MESON Chess Problem Database

Problem Display
PID: 175710 (3N3K/8/8/1rk5/2p5/2P5/8/5Q2 w - - 0 1)

Dukats, V

Austrums, 1898

3N3K/8/8/1rk5/2p5/2P5/8/5Q2

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qg1+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kd6!
    • 1.Qf2+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kd6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qd4#
        • 2.Qc6#
      • 1...Kd5
        • 2.Qd4#
      • 1...Rb1
        • 2.Qc6#
      • 1...Rb2
        • 2.Qc6#
      • 1...Rb3
        • 2.Qc6#
      • 1...Rb4
        • 2.Qc6#
      • 1...Ra5
        • 2.Qc6#
      • 1...Rb6
        • 2.Qe5#
      • 1...Rb7
        • 2.Qc6#
      • 1...Rb8
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • R(b);::QAR1(A)
      • R(b);SBLOCK::QAR2(A)
      • R(b);P_PINS(C)::QAR1(A)
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