MESON Chess Problem Database

Problem Display
PID: 202240 (8/4K3/7p/6k1/2p5/5BP1/8/5Q2 w - - 0 1)

Gerbec, Theodor

Dresdner Anzeiger, 1923

8/4K3/7p/6k1/2p5/5BP1/8/5Q2

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Be4?
      • threat
        • 2.Qf5#
      • 1...Kh5
        • 2.Qf5#
      • 1...h5
        • 2.Qf4#
      • 1...Kg4!
    • 1.Qh3?
      • threat
        • 2.Qg4#
        • 2.Qh5#
      • 1...h5
        • 2.Qxh5#
      • 1...Kg6!
    • 1.Qh1?
      • threat
        • 2.Qh5#
      • 1...Kf5
        • 2.Qh5#
      • 1...h5
        • 2.Qxh5#
      • 1...Kg6!
  • Keys
    • 1.Bh5!
      • 1...Kxh5
        • 2.Qf5#
      • 1...c3
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);P-FLIGHT,XB(B)::QAR2(A)
      • P(a);OGATE::QAR(A)
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