MESON Chess Problem Database

Problem Display
PID: 202243 (2B4k/2p5/7K/8/8/8/2r5/7Q w - - 0 1)

Kohser, H

Dresdner Anzeiger, 1923

2B4k/2p5/7K/8/8/8/2r5/7Q

#2

3 + 3

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qa8!
      • threat
        • 2.Bh3#
        • 2.Bg4#
        • 2.Bf5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bb7#
        • 2.Bd7#
      • 1...Rh2+
        • 2.Bh3#
      • 1...Rc6+
        • 2.Be6#
      • 1...Kg8
        • 2.Be6#
      • 1...Ra2
        • 2.Ba6#
      • 1...Rb2
        • 2.Bb7#
      • 1...Rd2
        • 2.Bd7#
      • 1...Re2
        • 2.Be6#
      • 1...Rf2
        • 2.Bf5#
      • 1...Rg2
        • 2.Bg4#

This anticipates 53876(1951)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • DUALS(7)
    • Vars
      • R(a);CHECK::QAR(A)+B(C)
      • K(c);P-FLIGHT::QAR(A)+B(C),DCHECK
      • R(a);::QAR(A)+B(C)
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