MESON Chess Problem Database

Problem Display
PID: 179882 (7b/8/8/3Q4/2pp4/2k5/1R6/K7 w - - 0 1)

Gross, Erwin

Sachovy Bulletin, 1959

7b/8/8/3Q4/2pp4/2k5/1R6/K7

#2

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qf3#
  • Tries
    • 1.Qg2?
      • threat
        • 2.Qc2#
        • 2.Qd2#
      • 1...Kd3
        • 2.Qf3#
      • 1...d3!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qa3#
      • 1...Kd3
        • 2.Qf3#
      • 1...d3
        • 2.Qxh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,P_SPINP(c)::QAR2(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • P(c);
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • K(a);P-FLIGHT::QAR2(C)
      • P(c);OGATEB,SBLOCK::QAB(C),XB(d)
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