MESON Chess Problem Database

Problem Display
PID: 203560 (2K5/8/8/8/2Q5/7k/7B/r5nR w - - 0 1)

Hogrefe, Max

Deutsche Schachzeitung, 1924

2K5/8/8/8/2Q5/7k/7B/r5nR

#2

4 + 3

6490 yacpdb 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qg8!
      • threat
        • 2.Bxg1#
        • 2.Bf4#
        • 2.Be5#
        • 2.Bd6#
        • 2.Bc7#
        • 2.Bb8#
        • 2.Qg3#
      • 1...Rc1+
        • 2.Bc7#
      • 1...Ra8+
        • 2.Bb8#
      • 1...Kh4
        • 2.Bxg1#
        • 2.Bg3#
      • 1...Ra2
        • 2.Qg3#
      • 1...Ra3
        • 2.Bxg1#
        • 2.Bf4#
        • 2.Be5#
        • 2.Bd6#
        • 2.Bc7#
        • 2.Bb8#
      • 1...Se2
        • 2.Bg1#
      • 1...Sf3
        • 2.Qg3#

This anticipates 249871(1970)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);
    • Threat
      • DUALS(7)
    • Vars
      • R(a);CHECK::R(A)+B(B)
      • R(a);::QAR1(C)
      • S(b);::R(A)+B(B)
      • S(b);::QAR1(C)
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