MESON Chess Problem Database

Problem Display
PID: 198598 (N1Q1KBB1/k7/8/8/3N4/4b3/8/2rrRb2 w - - 0 1)

Bartel, Erich

Augsburger Allgemeine Zeitung, 2001

(First published on Sat Mar 3 2001)

N1Q1KBB1/k7/8/8/3N4/4b3/8/2rrRb2

#2

7 + 5

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sc6#
      • 2.Bc5#
    • 1...Rb1
      • 2.Sc6#
    • 1...Rc4
      • 2.Sb5#
    • 1...Rc5
      • 2.Bxc5#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Rd3
      • 2.Sb5#
    • 1...Bg2
      • 2.Sb5#
    • 1...Bh3
      • 2.Sb5#
    • 1...Bc4
      • 2.Sc6#
      • 2.Bc5#
    • 1...Bb5+
      • 2.Sxb5#
  • Tries
    • 1.Qb8+?
      • 1...Ka6
        • 2.Qb6#
      • 1...Kxb8!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Sb5#
        • 2.Sc6#
        • 2.Bc5#
      • 1...Rxc4
        • 2.Sb5#
      • 1...Rxd4
        • 2.Bc5#
      • 1...Bxc4
        • 2.Sc6#
        • 2.Bc5#
      • 1...Bxd4
        • 2.Re7#
      • 1...Rb1
        • 2.Sc6#
      • 1...Bg2
        • 2.Sb5#
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::S(B)
    • R(a);S_CUTB(c)::S(B)
    • R(a);N_GUARD::B(F),XR(a)
    • R(a);N_GUARD::S(B),XR(a)
    • R(b);S_CUTB(c)::S(B)
    • B(c);N_GUARD::S(B)
    • B(c);CHECK,N_GUARD::S(B),XB(c)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR1(D)
      • Refutation
        • K(e);S_FLIGHT,XQ(D)
  • Actual
    • B(G);
    • Threat
      • DUALS(3)
    • Vars
      • R(a);XB(G)::S(B)
      • R(b);XS(B)::B(F)
      • B(d);OGATE,XS(B)::R(A)
      • R(a);::S(B)
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