MESON Chess Problem Database

Problem Display
PID: 199980 (8/r3q3/4rb2/1b1N3Q/N1k5/2P1p3/P3K3/8 w - - 0 1)

Daubler, Heinz

Der neue Tag (Weiden)/Amberger Zeitung, 2001

(First published on Sat Jul 7 2001)

8/r3q3/4rb2/1b1N3Q/N1k5/2P1p3/P3K3/8

#2

6 + 7

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Sb2#
    • 1...Re4
      • 2.Sdb6#
    • 1...Re5
      • 2.Sdb6#
    • 1...Rb6
      • 2.Sdxb6#
    • 1...Bc6
      • 2.Sdb6#
    • 1...Be5
      • 2.Sxe3#
  • Tries
    • 1.Qg4+?
      • 1...Re4
        • 2.Sxe3#
        • 2.Sdb6#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Kxd5+!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Sxe3#
      • 1...Rxe5
        • 2.Sdb6#
      • 1...Qc5
        • 2.Sb2#
      • 1...Bg5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(g);SBLOCK::S(D)
    • R(d);N_GUARD::S(E)
    • R(d);N_GUARD::S(E),XR(d)
    • B(c);S_CUTR(d)::S(E)
    • B(e);S_CUTR(d)::S(E),XP(a)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR1(F),XB(e)
      • Refutation
        • K(b);CHECK,S_FLIGHT,XS(E)
  • Actual
    • Q(F);
    • Threat
      • S(E),XP(a)
    • Vars
      • R(d);N_GUARD,XQ(F)::S(E)
      • Q(g);SBLOCK::S(D)
      • B(e);N_GUARD::QAR1(F)
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