MESON Chess Problem Database

Problem Display
PID: 209825 (7k/8/7K/6P1/1p4P1/1B5Q/4P1n1/1b6 w - - 0 1)

Giegold, Fritz Emil

Deutsche Schachblatter, 1932

7k/8/7K/6P1/1p4P1/1B5Q/4P1n1/1b6

#2

6 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qh2?
      • threat
        • 2.Qe5#
        • 2.Qb8#
      • 1...Bf5
        • 2.Qe5#
      • 1...Bg6
        • 2.Qe5#
      • 1...Bh7
        • 2.Qe5#
      • 1...Sf4!
    • 1.Qe3?
      • threat
        • 2.Qd4#
        • 2.Qe5#
        • 2.Qe8#
      • 1...Be4
        • 2.Qd4#
      • 1...Bg6
        • 2.Qd4#
        • 2.Qe5#
      • 1...Bh7
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sxe3!
    • 1.Qf3?
      • threat
        • 2.Qa8#
        • 2.Qf6#
        • 2.Qf8#
      • 1...Be4
        • 2.Qf6#
        • 2.Qf8#
      • 1...Bg6
        • 2.Qf6#
        • 2.Qf8#
      • 1...Bh7
        • 2.Qf6#
      • 1...Sf4
        • 2.Qa8#
      • 1...Bf5!
    • 1.Qg3?
      • threat
        • 2.Qe5#
        • 2.Qb8#
      • 1...Bf5
        • 2.Qe5#
      • 1...Bg6
        • 2.Qe5#
      • 1...Bh7
        • 2.Qe5#
      • 1...Sf4!
    • 1.Qh5?
      • threat
        • 2.Qe8#
      • 1...Bg6
        • 2.Kxg6#
      • 1...Bh7!
  • Keys
    • 1.Qh1!
      • 1...Ba2
        • 2.Qa1#
      • 1...Bc2
        • 2.Qa1#
      • 1...Bd3
        • 2.Qa1#
      • 1...Be4
        • 2.Qa1#
      • 1...Bf5
        • 2.Qa1#
      • 1...Bg6
        • 2.Qa1#
      • 1...Bh7
        • 2.Qa1#
      • 1...Se1
        • 2.Qa8#
      • 1...Se3
        • 2.Qa8#
      • 1...Sf4
        • 2.Qa8#
      • 1...Sh4
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • B(a);::QAB(C)
      • Refutation
        • S(b);XQ(C)
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • B(a);::QAB(C)
        • S(b);::QAB1(C)
      • Refutation
        • B(a);
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • B(a);::QAR(C)+K(F),XB(a)
      • Refutation
        • B(a);
  • Actual
    • Q(C);
    • Vars
      • B(a);OGATE::QAB(C)
      • S(b);OGATE::QAB1(C)
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