MESON Chess Problem Database

Problem Display
PID: 77258 (6QN/5B2/2r4k/8/2b4K/8/8/8 w - - 0 1)

Abdurahmanovic, Fadil

Vecherni Novosti, 1963

6QN/5B2/2r4k/8/2b4K/8/8/8

#2

4 + 3

5454 Near Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Qg6#
    • 1...Rg6
      • 2.Qxg6#
    • 1...Rc7
      • 2.Qg6#
    • 1...Rc8
      • 2.Qg6#
    • 1...Be6
      • 2.Qg6#
    • 1...Bxf7
      • 2.Sxf7#
  • Keys
    • 1.Be6!
      • threat
        • 2.Sf7#
        • 2.Qg6#
      • 1...Rxe6
        • 2.Sf7#
      • 1...Bxe6
        • 2.Qg6#
      • 1...Rc7
        • 2.Qg6#
      • 1...Bd3
        • 2.Sf7#

Anticipated by 6501(1929)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::QAR1(C)
    • R(b);N_GUARD::QAR1(C),XR(b)
    • B(a);S_CUTR(b)::QAR1(C)
    • B(a);XB(B)::S(D),XB(a)
  • Actual
    • B(B);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);XB(B)::S(D)
      • B(a);XB(B)::QAR1(C)
      • R(b);::QAR1(C)
      • B(a);::S(D)
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