MESON Chess Problem Database

Problem Display
PID: 216155 (3RK3/4N1pB/2P5/2p2R2/3bk1P1/q1p1P3/2P5/5N2 w - - 0 1)

Handloser, Ralf Chris

Probleemblad, 2019

3RK3/4N1pB/2P5/2p2R2/3bk1P1/q1p1P3/2P5/5N2

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe3
      • 2.Sg3#
    • 1...Be5
      • 2.Rf4#
    • 1...c4
      • 2.Rxd4#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Sg3#
      • 1...Be5
        • 2.Rf4#
      • 1...Bxe3!
    • 1.Sg6?
      • threat
        • 2.Rf4#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Be5!
    • 1.Rdd5?
      • threat
        • 2.Rf4#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Qa8+!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Sd6#
      • 1...Bxe3
        • 2.Sg3#
      • 1...Be5
        • 2.Rf4#
      • 1...c4
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK,XP(C)::S(A)
    • B(c);SBLOCK::B(H)+R(E),DCHECK
    • P(e);N_GUARD::R1(I),XB(c)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(A)
      • Vars
        • B(c);SBLOCK::B(H)+R(E),DCHECK
      • Refutation
        • B(c);XP(C)
    • Try
      • S(G);
      • Threat
        • R1(E)
      • Vars
        • B(c);SBLOCK,XP(C)::S(A)
      • Refutation
        • B(c);
    • Try
      • R(I);
      • Threat
        • B(H)+R(E),DCHECK
      • Vars
        • B(c);SBLOCK,XP(C)::S(A)
      • Refutation
        • Q(a);CHECK
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • B(c);SBLOCK,XP(C)::S(A)
      • B(c);SBLOCK::B(H)+R(E),DCHECK
      • P(e);N_GUARD::R1(I),XB(c)
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