MESON Chess Problem Database

Problem Display
PID: 249871 (2K5/8/8/8/2Q5/r6k/7B/6nR w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1970

2K5/8/8/8/2Q5/r6k/7B/6nR

#2

4 + 3

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qg8!
      • threat
        • 2.Bxg1#
        • 2.Bf4#
        • 2.Be5#
        • 2.Bd6#
        • 2.Bc7#
        • 2.Bb8#
      • 1...Rc3+
        • 2.Bc7#
      • 1...Ra8+
        • 2.Bb8#
      • 1...Kh4
        • 2.Bg3#
      • 1...Rg3
        • 2.Qxg3#
      • 1...Ra2
        • 2.Qg3#
      • 1...Se2
        • 2.Bg1#
        • 2.Bf4#
        • 2.Be5#
        • 2.Bd6#
        • 2.Bc7#
        • 2.Bb8#
      • 1...Sf3
        • 2.Qg3#

Anticipated by 203560(1924)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);
    • Threat
      • DUALS(6)
    • Vars
      • R(b);CHECK::R(A)+B(B)
      • K(c);N_GUARD,P-FLIGHT::R(A)+B(B),DCHECK
      • R(b);N_GUARD::QAR1(C),XR(b)
      • R(b);N_GUARD::QAR1(C)
      • S(a);S_CUTR(b)::QAR1(C)
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