MESON Chess Problem Database

Problem Display
PID: 159108 (b4K1k/2Q3NB/5R2/6p1/r7/8/3p2q1/B6R w - - 0 1)

Handloser, Ralf Chris

1st Prize, idee & form, 2010-2011

b4K1k/2Q3NB/5R2/6p1/r7/8/3p2q1/B6R

#2

7 + 6

15527 schachkunst (1997-2010) (Hoffmann) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Bxe4#
    • 1...Qd5
      • 2.Be4#
    • 1...Qc6
      • 2.Be4#
    • 1...Qb7
      • 2.Be4#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Qg7#
      • 1...Ra7
        • 2.Ra6#
      • 1...Qb7!
    • 1.Sh5?
      • threat
        • 2.Qg7#
      • 1...Ra7
        • 2.Ra6#
      • 1...Qb7!
    • 1.Se6?
      • threat
        • 2.Qg7#
      • 1...Qb7
        • 2.Be4#
      • 1...Ra7!
    • 1.Be4+?
      • 1...Qh3
        • 2.Rxh3#
      • 1...Qh2
        • 2.Rxh2#
        • 2.Qxh2#
      • 1...Qxh1!
    • 1.Qf7?
      • threat
        • 2.Qg8#
      • 1...Qd5
        • 2.Be4#
      • 1...Bd5!
  • Keys
    • 1.Se8!
      • threat
        • 2.Qg7#
      • 1...Qb7
        • 2.Be4#
      • 1...Ra7
        • 2.Ra6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_GUARD::R(B)+B(F),XQ(b)
    • Q(b);N_GUARD::R(B)+B(F)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(D)
      • Vars
        • R(c);N_GUARD::B(A)+R(C)
      • Refutation
        • Q(b);
    • Try
      • S(E);
      • Threat
        • QAB1(D)
      • Vars
        • R(c);N_GUARD::B(A)+R(C)
      • Refutation
        • Q(b);
    • Try
      • S(E);
      • Threat
        • QAB1(D)
      • Vars
        • Q(b);N_GUARD::R(B)+B(F)
      • Refutation
        • R(c);
    • Try
      • B(F);CHECK
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::R(B),XQ(b)
      • Refutation
        • Q(b);XR(B)
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • Q(b);N_GUARD::R(B)+B(F)
      • Refutation
        • B(e);
  • Actual
    • S(E);
    • Threat
      • QAB1(D)
    • Vars
      • Q(b);N_GUARD::R(B)+B(F)
      • R(c);N_GUARD::B(A)+R(C)
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