MESON Chess Problem Database

Problem Display
PID: 212406 (8/8/8/1BB4b/2QR4/1n1Nk3/r3P2K/n3b3 w - - 0 1)

Reinhofer, Erwin

Badische Neueste Nachrichten, 1983

8/8/8/1BB4b/2QR4/1n1Nk3/r3P2K/n3b3

#2

7 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Re4#
      • 2.Qe6#
    • 1...Bd2
      • 2.Re4#
      • 2.Qe6#
    • 1...Sd2
      • 2.Re4#
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sd1#
      • 1...Kxf2
        • 2.Rf4#
      • 1...Rxe2
        • 2.Rd3#
      • 1...Bxf2
        • 2.Qd3#
        • 2.Qe6#
        • 2.Qc3#
      • 1...Bxe2
        • 2.Rd3#
      • 1...Sxd4
        • 2.Qxd4#
      • 1...Rd2
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(d);N_PINP(A),SBLOCK::B(G)+R(E),DCHECK
  • Actual
    • S(C);N_SPINP(A)
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT,XS(C)::B(G)+R(E),DCHECK
      • R(c);P_PINS(C),SBLOCK,XP(A)::B(G)+R(E),DCHECK
      • B(f);SBLOCK,XP(A)::B(G)+R(E),DCHECK
      • S(d);OGATE,P_SPINS(d),XR(E)::QAB1(D),XS(d)
      • R(c);SBLOCK::B(G)+R(E),DCHECK
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