MESON Chess Problem Database

Problem Display
PID: 151608 (2K5/p1Np4/p1kBp3/P3P2p/r2RR3/r7/2N5/5b2 w - - 0 1)

Mensing, Adrian

Probleemblad, 2013

2K5/p1Np4/p1kBp3/P3P2p/r2RR3/r7/2N5/5b2

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Sxb4#
    • 1...Rxd4
      • 2.Sxd4#
  • Tries
    • 1.Rxa4?
      • threat
        • 2.Sb4#
        • 2.Sd4#
      • 1...Rb3
        • 2.Sd4#
      • 1...Rd3
        • 2.Sb4#
        • 2.Rac4#
        • 2.Rec4#
      • 1...Rxa4!
    • 1.Rc4+?
      • 1...Bxc4
        • 2.Sd4#
      • 1...Rxc4!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Sd4#
      • 1...Rxb4
        • 2.Sxb4#
      • 1...Rd3
        • 2.Rec4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(c);N_GUARD::S(A),XR(c)
    • R(c);XR(B)::S(A),XR(c)
  • Tries
    • Try
      • R(B);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);::S(A)
      • Refutation
        • R(b);XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • B(a);XR(B)::S(A)
      • Refutation
        • R(c);XR(B)
  • Actual
    • R(B);
    • Threat
      • S(A)
    • Vars
      • R(c);XR(B)::S(A),XR(c)
      • R(b);S_CUTB(a)::R(C)
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