MESON Chess Problem Database

Problem Display
PID: 238865 (5N2/1K6/3p4/3kb3/4r3/1P3R2/Nn1P2B1/3R2Bn w - - 0 1)

Paslack, Rainer

idee & form, 1992

5N2/1K6/3p4/3kb3/4r3/1P3R2/Nn1P2B1/3R2Bn

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rd3#
    • 1...Re2
      • 2.Rd3#
    • 1...Ra4
      • 2.Rd3#
    • 1...Rc4
      • 2.Rd3#
    • 1...Rf4
      • 2.Rd3#
      • 2.Rxf4#
    • 1...Rg4
      • 2.Rd3#
    • 1...Rh4
      • 2.Rd3#
      • 2.Rf4#
    • 1...Sc4
      • 2.Sb4#
  • Tries
    • 1.Rf5?
      • threat
        • 2.Sc3#
        • 2.Sb4#
      • 1...Sxd1
        • 2.Sb4#
      • 1...Sd3
        • 2.Sc3#
      • 1...Sa4
        • 2.Sb4#
      • 1...Sf2!
  • Keys
    • 1.d4!
      • threat
        • 2.Sc3#
        • 2.Sb4#
      • 1...Rxd4
        • 2.Rc3#
      • 1...Bxd4
        • 2.Rf5#
      • 1...Sxd1
        • 2.Sb4#
      • 1...Re1
        • 2.Sc3#
        • 2.Re3#
      • 1...Re2
        • 2.Sc3#
      • 1...Re3
        • 2.Rxe3#
      • 1...Rf4
        • 2.Sc3#
        • 2.Rxf4#
      • 1...Rg4
        • 2.Sc3#
      • 1...Rh4
        • 2.Sc3#
        • 2.Rf4#
      • 1...Sd3
        • 2.Sc3#
      • 1...Sa4
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • R(c);::B(E)+R(G),DCHECK
    • S(b);S_CUTR(c)::S(C)
  • Tries
    • Try
      • R(G);P_PINB(e),P_PINR(c)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XR(A)::S(C)
        • S(b);::S(C)
      • Refutation
        • S(a);
  • Actual
    • P(D);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);OGATEB,P_SPINR(c),XP(D)::B(E)+R(G)
      • B(e);OGATEB,P_SPINB(e),XP(D)::R(G)
      • S(b);XR(A)::S(C)
      • R(c);::S(C)
      • R(c);OGATEB::B(E)+R(G),XR(c)
      • S(b);::S(C)
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