MESON Chess Problem Database

Problem Display
PID: 187079 (3K1R1R/6k1/8/5p1P/8/B5qb/p6b/3n1rQ1 w - - 0 1)

Witt, Andreas

Landeszeitung fur die Luneburger Heide, 2001

(First published on Sat Jul 7 2001)

3K1R1R/6k1/8/5p1P/8/B5qb/p6b/3n1rQ1

#2

6 + 8

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qg5+
      • 2.Qxg5#
    • 1...Qg6
      • 2.Qxg6#
      • 2.h6#
    • 1...Rf4
      • 2.Qa7#
    • 1...Sb2
      • 2.Bxb2#
    • 1...Sf2
      • 2.Bb2#
    • 1...Se3
      • 2.Bb2#
    • 1...f4
      • 2.Qd4#
  • Tries
    • 1.Ke7?
      • threat
        • 2.Rfg8#
      • 1...Qg5+
        • 2.Qxg5#
      • 1...Re1+!
    • 1.Bb2+?
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sxb2!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Bh6#
      • 1...Qg5+
        • 2.Qxg5#
      • 1...Rf4
        • 2.Qa7#
      • 1...Se3
        • 2.Bb2#
      • 1...f4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(e);CHECK,OGATE::QAR2(A),XQ(e)
    • R(b);::QAR(A)
    • S(a);N_GUARD::B(B),XS(a)
    • S(a);N_GUARD::B(B)
    • P(g);::QAB(A)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • R1(E)
      • Vars
        • Q(e);CHECK,OGATE::QAR2(A),XQ(e)
      • Refutation
        • R(b);CHECK
    • Try
      • B(B);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(B),XS(a)
      • Refutation
        • S(a);XB(B)
  • Actual
    • B(B);
    • Threat
      • B(B)
    • Vars
      • Q(e);CHECK,OGATE::QAR2(A),XQ(e)
      • R(b);::QAR(A)
      • S(a);N_GUARD::B(B)
      • P(g);::QAB(A)
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